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  • Humans  (434)
  • Base Sequence  (120)
  • American Association for the Advancement of Science (AAAS)  (500)
  • American Meteorological Society
  • 1995-1999
  • 1990-1994  (500)
  • 1991  (500)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (500)
  • American Meteorological Society
  • Springer  (1)
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  • 1995-1999
  • 1990-1994  (500)
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  • 1
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    The combination of symbolic and numerical computation for three-dimensional modeling of RNA (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-09-13
    Description: Three-dimensional (3-D) structural models of RNA are essential for understanding of the cellular roles played by RNA. Such models have been obtained by a technique based on a constraint satisfaction algorithm that allows for the facile incorporation of secondary and other structural information. The program generates 3-D structures of RNA with atomic-level resolution that can be refined by numerical techniques such as energy minimization. The precision of this technique was evaluated by comparing predicted transfer RNA loop and RNA pseudoknot structures with known or consensus structures. The root-mean-square deviation (2.0 to 3.0 angstroms before minimization) between predicted and control structures reveal this system to be an effective method in modeling RNA.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Major, F -- Turcotte, M -- Gautheret, D -- Lapalme, G -- Fillion, E -- Cedergren, R -- New York, N.Y. -- Science. 1991 Sep 13;253(5025):1255-60.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departement d'Informatique et de Recherche Operationnelle, Universite de Montreal, Quebec, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1716375" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Anticodon/chemistry ; Base Sequence ; *Models, Molecular ; Molecular Sequence Data ; Nucleic Acid Conformation ; RNA/*chemistry ; RNA, Transfer/*chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    A multisubunit ribozyme that is a catalyst of and template for complementary strand RNA synthesis (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-29
    Description: Derivatives of the sunY self-splicing intron efficiently catalyzed the synthesis of complementary strand RNA by template-directed assembly of oligonucleotides. These ribozymes were separated into three short RNA fragments that formed active catalytic complexes. One of the multisubunit sunY derivatives catalyzed the synthesis of a strand of RNA complementary to one of its own subunits. These results suggest that prebiotically synthesized oligonucleotides might have been able to assemble into a complex capable of self-replication.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Doudna, J A -- Couture, S -- Szostak, J W -- New York, N.Y. -- Science. 1991 Mar 29;251(5001):1605-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Massachusetts General Hospital, Boston 02114.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1707185" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Composition ; Base Sequence ; *Introns ; Molecular Sequence Data ; Nucleic Acid Conformation ; Oligoribonucleotides/metabolism ; RNA/*biosynthesis/genetics ; RNA Splicing ; RNA, Catalytic/*metabolism ; Templates, Genetic ; Tetrahymena/*genetics
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Group I intron self-splicing with adenosine: evidence for a single nucleoside-binding site (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-04-19
    Description: For self-splicing of Tetrahymena ribosomal RNA precursor, guanosine binding is required for 5' splice-site cleavage and exon ligation. Whether these two reactions use the same or different guanosine-binding sites has been debated. A double mutation in a previously identified guanosine-binding site within the intron resulted in preference for adenosine (or adenosine triphosphate) as the substrate for cleavage at the 5' splice site. However, splicing was blocked in the exon ligation step. Blockage was reversed by a change from guanine to adenine at the 3' splice site. These results indicate that a single determinant specifies nucleoside binding for both steps of splicing. Furthermore, it suggests that RNA could form an active site specific for adenosine triphosphate.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Been, M D -- Perrotta, A T -- GM-40689/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1991 Apr 19;252(5004):434-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, Duke University Medical Center, Durham, NC 27710.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2017681" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine/*metabolism ; Adenosine Triphosphate/pharmacology ; Animals ; Base Sequence ; Binding Sites ; Exons ; Guanosine/metabolism ; *Introns ; Magnesium/pharmacology ; Molecular Sequence Data ; Molecular Structure ; Mutagenesis ; RNA Precursors/chemistry/genetics ; *RNA Splicing ; RNA, Catalytic/metabolism ; Tetrahymena/genetics
    Print ISSN: 0036-8075
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  • 4
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    CD14 and immune response to lipopolysaccharide (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maliszewski, C R -- New York, N.Y. -- Science. 1991 May 31;252(5010):1321-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1718034" target="_blank"〉PubMed〈/a〉
    Keywords: Antigens, CD/*immunology ; Antigens, CD14 ; Antigens, Differentiation, Myelomonocytic/*immunology ; Humans ; Lipopolysaccharides/*immunology ; Macrophages/immunology ; Monocytes/immunology
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    AIDS: the evolution of an infection (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1991 Nov 15;254(5034):941.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948079" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/immunology/*microbiology ; Biological Evolution ; HIV-1/*genetics ; Humans
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    NIH: the price of neglect (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-02-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weiss, R -- New York, N.Y. -- Science. 1991 Feb 1;251(4993):508-11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1990424" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; *Morale ; National Institutes of Health (U.S.)/*organization & administration ; Salaries and Fringe Benefits ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
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    Reproductive behavior and health in consanguineous marriages (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-10
    Description: In many regions of Asia and Africa, consanguineous marriages currently account for approximately 20 to 50% of all unions, and preliminary observations indicate that migrants from these areas continue to contract marriages with close relatives when resident in North America and Western Europe. Consanguinity is associated with increased gross fertility, due at least in part to younger maternal age at first livebirth. Morbidity and mortality also may be elevated, resulting in comparable numbers of surviving offspring in consanguineous and nonconsanguineous families. With advances in medicine and public health, genetic disorders will account for an increased proportion of disease worldwide. Predictably, this burden will fall more heavily on countries and communities in which consanguinity is strongly favored, as the result of the expression of deleterious recessive genes. However, studies conducted in such populations indicate that the adverse effects associated with inbreeding are experienced by a minority of families.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bittles, A H -- Mason, W M -- Greene, J -- Rao, N A -- New York, N.Y. -- Science. 1991 May 10;252(5007):789-94.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉King's College, University of London.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2028254" target="_blank"〉PubMed〈/a〉
    Keywords: Congenital Abnormalities/epidemiology ; *Consanguinity ; Female ; Humans ; India ; Infertility ; Marriage ; Maternal Age ; Parity ; Pregnancy ; Pregnancy Outcome ; Regression Analysis ; Sexual Behavior/*statistics & numerical data
    Print ISSN: 0036-8075
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  • 8
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    A $9-billion budget for NIH (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1991 Nov 8;254(5033):791.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948060" target="_blank"〉PubMed〈/a〉
    Keywords: *Budgets ; Humans ; *National Institutes of Health (U.S.) ; Neoplasms ; *Research Support as Topic ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    WHO AIDS program: moving on a new track (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1991 Oct 25;254(5031):511-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948020" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*prevention & control ; Humans ; United States ; United States Dept. of Health and Human Services ; World Health Organization
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
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    Identification of the DNA binding site for NGFI-B by genetic selection in yeast (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-31
    Description: An in vivo selection system for isolating targets of DNA binding proteins in yeast was developed and used to identify the DNA binding site for the NGFI-B protein, a member of the steroid-thyroid hormone receptor superfamily. The feasibility of the technique was verified by selecting DNA fragments that contained binding sites for GCN4, a well-characterized yeast transcriptional activator. The DNA binding domain of NGFI-B, expressed as part of a LexA-NGFI-B-GAL4 chimeric activator, was then used to isolate a rat genomic DNA fragment that contained an NGFI-B binding site. The NGFI-B response element (NBRE) is similar to but functionally distinct from elements recognized by the estrogen and thyroid hormone receptors and the hormone receptor-like proteins COUP-TF, CF1, and H-2RIIBP. Cotransfection experiments in mammalian cells demonstrated that NGFI-B can activate transcription from the NBRE with or without its putative ligand binding domain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilson, T E -- Fahrner, T J -- Johnston, M -- Milbrandt, J -- NS01018/NS/NINDS NIH HHS/ -- P01 CA49712/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1991 May 31;252(5010):1296-300.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, Washington University School of Medicine, St. Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925541" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Proteins/metabolism ; Base Sequence ; Binding Sites ; Cloning, Molecular ; DNA, Fungal/*metabolism ; DNA-Binding Proteins/genetics/*metabolism/pharmacology ; Fungal Proteins/metabolism ; Molecular Sequence Data ; Nuclear Receptor Subfamily 4, Group A, Member 1 ; Plasmids ; *Protein Kinases ; Rats ; Receptors, Cytoplasmic and Nuclear ; Receptors, Steroid ; Repressor Proteins ; Saccharomyces cerevisiae/*genetics ; *Saccharomyces cerevisiae Proteins ; *Serine Endopeptidases ; Transcription Factors/genetics/*metabolism/pharmacology ; Transcription, Genetic ; Transfection
    Print ISSN: 0036-8075
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  • 11
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    Tape trouble (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-08-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Aug 9;253(5020):611.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1871595" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome ; Confidentiality ; Humans ; *National Institutes of Health (U.S.) ; *Scientific Misconduct ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 12
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    Participation of the TATA factor in transcription of the yeast U6 gene by RNA polymerase C (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-01-25
    Description: Fractionation of transcription extracts has led to the identification of multiple transcription factors specific for each form of nuclear RNA polymerase. Accurate transcription in vitro of the yeast U6 RNA gene by RNA polymerase C requires at least two factors. One of them was physically and functionally indistinguishable from transcription factor IID (TFIID or BTF1), a pivotal component of polymerase B transcription complexes, which binds to the TATA element. Purified yeast TFIID (yIID) or bacterial extracts that contained recombinant yIID were equally competent to direct specific transcription of the U6 gene by RNA polymerase C. The results suggest the formation of a hybrid transcription machinery, which may imply an evolutionary relation between class B and class C transcription factors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Margottin, F -- Dujardin, G -- Gerard, M -- Egly, J M -- Huet, J -- Sentenac, A -- New York, N.Y. -- Science. 1991 Jan 25;251(4992):424-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Departement de Biologie, Centre d'Etudes Nucleaires de Saclay, Gif-sur-Yvette, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1989075" target="_blank"〉PubMed〈/a〉
    Keywords: Electrophoresis, Polyacrylamide Gel ; HeLa Cells ; Humans ; Nuclear Proteins ; RNA Polymerase III/*metabolism ; RNA, Fungal/biosynthesis/genetics ; RNA, Small Nuclear/*genetics ; Saccharomyces cerevisiae/*genetics ; TATA Box/*genetics ; Templates, Genetic ; Transcription Factor TFIID ; Transcription Factor TFIIIB ; Transcription Factors/*genetics ; *Transcription Factors, General ; *Transcription, Genetic ; *Transcriptional Elongation Factors
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 13
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    Children and divorce (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-08-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Aug 30;253(5023):952.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1887223" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; *Divorce ; *Emotions ; Humans ; Longitudinal Studies ; Mental Disorders/*epidemiology/etiology ; *Psychology, Child ; United States
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 14
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    Inhibition of Rap1A binding to cytochrome b558 of NADPH oxidase by phosphorylation of Rap1A (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-12-20
    Description: Rap1A is a low molecular weight guanosine triphosphate (GTP)-binding protein in human neutrophil membranes whose cellular function is unknown. Rap1A was found to form stoichiometric complexes with the cytochrome b558 component of the phagocyte nicotinamide adenine dinucleotide phosphate (NADPH) oxidase system. The (guanosine-5'-O-(3-thiotriphosphate) (GTP-gamma-S)-bound form of Rap1A bound more tightly to cytochrome b558 than did the guanosine diphosphate-bound form. No complex formation was observed between cytochrome b558 and H-Ras-GTP-gamma-S or Rap1A-GTP-gamma-S that had been heat-inactivated, nor between Rap1A-GTP-gamma-S and hydrophobic proteins serving as controls. Complex formation between Rap1A-GTP-gamma-S and cytochrome b558 was inhibited by phosphorylation of Rap1A with cyclic adenosine monophosphate (cAMP)-dependent protein kinase. These observations suggest that Rap1A may participate in the structure or regulation of the NADPH oxidase system and that this function of the Rap1A protein may be altered by phosphorylation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bokoch, G M -- Quilliam, L A -- Bohl, B P -- Jesaitis, A J -- Quinn, M T -- 5RO126711/PHS HHS/ -- GM39434/GM/NIGMS NIH HHS/ -- GM44428/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1991 Dec 20;254(5039):1794-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology, Scripps Research Institute, La Jolla, CA 92037.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1763330" target="_blank"〉PubMed〈/a〉
    Keywords: Binding Sites ; Chromatography, Gel ; Cytochrome b Group/isolation & purification/*metabolism ; GTP-Binding Proteins/antagonists & inhibitors/isolation & ; purification/*metabolism ; Guanosine 5'-O-(3-Thiotriphosphate)/metabolism ; Humans ; Kinetics ; Macromolecular Substances ; NADH, NADPH Oxidoreductases/*metabolism ; NADPH Oxidase ; Neutrophils/enzymology ; Phosphorylation ; Protein Binding ; Protein Kinase C/metabolism ; Proto-Oncogene Proteins/metabolism ; Recombinant Proteins/antagonists & inhibitors/isolation & purification/metabolism ; rap GTP-Binding Proteins
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 15
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    Isolation of an active human transposable element (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-12-30
    Description: Two de novo insertions of truncated L1 elements into the factor VIII gene on the X chromosome have been identified that produced hemophilia A. A full-length L1 element that is the likely progenitor of one of these insertions was isolated by its sequence identity to the factor VIII insertion. This L1 element contains two open-reading frames and is one of at least four alleles of a locus on chromosome 22 that has been occupied by an L1 element for at least 6 million years.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dombroski, B A -- Mathias, S L -- Nanthakumar, E -- Scott, A F -- Kazazian, H H Jr -- New York, N.Y. -- Science. 1991 Dec 20;254(5039):1805-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD 21205.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1662412" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Base Sequence ; Chromosomes, Human, Pair 22 ; *DNA Transposable Elements ; Factor VIII/*genetics ; Genome, Human ; Hemophilia A/*genetics ; Humans ; Molecular Sequence Data ; Open Reading Frames ; Restriction Mapping ; Sequence Homology, Nucleic Acid ; X Chromosome
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 16
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    Breast cancer: stalemate in the war on cancer (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-12-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1991 Dec 20;254(5039):1719-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1763320" target="_blank"〉PubMed〈/a〉
    Keywords: Breast Neoplasms/*economics/prevention & control/therapy ; Female ; Government Agencies ; Humans ; National Institutes of Health (U.S.) ; Research Support as Topic ; United States
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  • 17
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    Panel wavers on roots of cancer (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-08-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Aug 2;253(5019):509.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1857980" target="_blank"〉PubMed〈/a〉
    Keywords: Health Policy ; Humans ; Middle Aged ; Neoplasms/*epidemiology/etiology ; United States ; United States Public Health Service
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 18
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    Repression of HIV-1 transcription by a cellular protein (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-22
    Description: A cellular DNA binding protein, LBP-1, sequentially interacts in a concentration-dependent manner with two sites that surround the transcriptional initiation site of the human immunodeficiency virus type 1 (HIV-1) promoter. Although sequences in the downstream site (site I) were found to enhance transcription, purified LBP-1 specifically repressed transcription in vitro by binding to the upstream site (site II), which overlaps the TATA element. The binding of human TATA binding factor (TFIID) to the promoter before LBP-1 blocked repression, suggesting that repression resulted from an inhibition of TFIID binding to the TATA element. Furthermore, mutations that eliminated binding to site II both prevented repression in vitro and increased HIV-1 transcription in stably transformed cells. These findings suggest that a cellular factor regulates HIV-1 transcription in a manner that is characteristic of bacterial repressors and that this factor could be important in HIV-1 latency.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kato, H -- Horikoshi, M -- Roeder, R G -- AI27397/AI/NIAID NIH HHS/ -- CA42567/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1991 Mar 22;251(5000):1476-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Biochemistry and Molecular Biology, Rockefeller University, New York, NY 10021.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2006421" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA-Binding Proteins/genetics ; *Gene Expression Regulation, Viral ; HIV-1/*genetics ; Molecular Sequence Data ; Promoter Regions, Genetic ; Repressor Proteins/*genetics ; Transcription Factor TFIID ; Transcription Factors/metabolism ; Transcription, Genetic
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    Space may be bad for your health (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-09-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1991 Sep 27;253(5027):1491.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1896859" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Humans ; Models, Biological ; Monitoring, Physiologic ; Motion Sickness/*etiology ; Rats ; Scyphozoa ; *Space Flight ; *Weightlessness
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Identification of p53 gene mutations in bladder cancers and urine samples (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-03
    Description: Although bladder cancers are very common, little is known about their molecular pathogenesis. In this study, invasive bladder cancers were evaluated for the presence of gene mutations in the p53 suppressor gene. Of 18 tumors evaluated, 11 (61 percent) were found to have genetic alterations of p53. The alterations included ten point mutations resulting in single amino acid substitutions, and one 24-base pair deletion. In all but one case, the mutations were associated with chromosome 17p allelic deletions, leaving the cells with only mutant forms of the p53 gene products. Through the use of the polymerase chain reaction and oligomer-specific hybridization, p53 mutations were identified in 1 to 7 percent of the cells within the urine sediment of each of three patients tested. The p53 mutations are the first genetic alterations demonstrated to occur in a high proportion of primary invasive bladder cancers. Detection of such mutations ex vivo has clinical implications for monitoring individuals whose tumor cells are shed extracorporeally.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sidransky, D -- Von Eschenbach, A -- Tsai, Y C -- Jones, P -- Summerhayes, I -- Marshall, F -- Paul, M -- Green, P -- Hamilton, S R -- Frost, P -- CA09071/CA/NCI NIH HHS/ -- CA43460/CA/NCI NIH HHS/ -- CA49758/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1991 May 3;252(5006):706-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Oncology, Johns Hopkins University, Baltimore, MD 21231.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2024123" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Base Sequence ; Chromosome Deletion ; Chromosomes, Human, Pair 17 ; *Genes, p53 ; Humans ; Molecular Sequence Data ; *Mutation ; Nucleic Acid Hybridization ; Oligonucleotide Probes ; Polymerase Chain Reaction ; Urinary Bladder Neoplasms/*genetics/urine ; Urine/cytology
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    Linkage of a cardiac arrhythmia, the long QT syndrome, and the Harvey ras-1 gene (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-03
    Description: Genetic factors contribute to heart disease. In this study, linkage analyses have been performed in a family that is predisposed to sudden death from cardiac arrhythmias, the long QT syndrome (LQT). A DNA marker at the Harvey ras-1 locus (H-ras-1) was linked to LQT with a logarithm of the likelihood ratio for linkage (lod score) of 16.44 at theta = 0, which confirms the genetic basis of this trait and localizes this gene to the short arm of chromosome 11. As no recombination was observed between LQT and H-ras-1, and there is a physiological rationale for its involvement in this disease, ras becomes a candidate for the disease locus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Keating, M -- Atkinson, D -- Dunn, C -- Timothy, K -- Vincent, G M -- Leppert, M -- New York, N.Y. -- Science. 1991 May 3;252(5006):704-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Human Genetics, University of Utah Health Sciences Center, Salt Lake City 84132.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1673802" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosome Mapping ; Chromosomes, Human, Pair 11 ; Electrocardiography ; *Genes, ras ; Humans ; *Lod Score ; Long QT Syndrome/*genetics/physiopathology ; Mutation ; Pedigree ; Polymorphism, Restriction Fragment Length
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    Monopoly patents on AZT challenged (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-06-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1991 Jun 7;252(5011):1369.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2047848" target="_blank"〉PubMed〈/a〉
    Keywords: Drug Prescriptions/economics ; Humans ; *Patents as Topic ; *Zidovudine
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Gallo concedes contamination (again) (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-06-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1991 Jun 7;252(5011):1369.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2047847" target="_blank"〉PubMed〈/a〉
    Keywords: *Hiv ; History, 20th Century ; Humans ; Male ; National Institutes of Health (U.S.) ; United States ; Virus Cultivation
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    A partnership between the dioxin receptor and a basic helix-loop-helix protein (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johnson, E F -- New York, N.Y. -- Science. 1991 May 17;252(5008):924-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular and Experimental Medicine, Research Institute of Scripps Clinic, La Jolla, CA 92037.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1852074" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cytochrome P-450 Enzyme System/genetics/metabolism ; DNA-Binding Proteins/*physiology ; Dioxins/adverse effects/*toxicity ; *Environmental Exposure ; Humans ; Receptors, Aryl Hydrocarbon ; Receptors, Drug/*physiology ; Receptors, Glucocorticoid/physiology ; Safety
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    Viruses in human cancers (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-22
    Description: Viruses may contribute to the development of human tumors by different mechanisms: indirectly by inducing immunosuppression or by modifying the host cell genome without persistence of viral DNA; directly by inducing oncoproteins or by altering the expression of host cell proteins at the site of viral DNA integration. Human cancers associated with papillomavirus, hepatitis B virus, Epstein-Barr virus, and human T cell leukemia-lymphoma virus infections are responsible for approximately 15 percent of the worldwide cancer incidence. Cancer of the cervix and hepatocellular carcinoma account for about 80 percent of virus-linked cancers. Because experimental and epidemiologic data imply a causative role for viruses, particularly in cervical and liver cancer, viruses must be thought of as the second most important risk factor for cancer development in humans, exceeded only by tobacco consumption.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉zur Hausen, H -- New York, N.Y. -- Science. 1991 Nov 22;254(5035):1167-73.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Deutsches Krebsforschungszentrum, Heidelberg, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1659743" target="_blank"〉PubMed〈/a〉
    Keywords: Anus Neoplasms/microbiology ; Female ; Genital Neoplasms, Female/microbiology ; Hepatitis B virus/pathogenicity ; Herpesvirus 4, Human/pathogenicity ; Human T-lymphotropic virus 1/pathogenicity ; Humans ; Leukemia-Lymphoma, Adult T-Cell/microbiology ; Liver Neoplasms/microbiology ; Neoplasms/*microbiology ; *Oncogenic Viruses ; Papillomaviridae/pathogenicity
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    New AIDS drug poised to move into development (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-12-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Dec 20;254(5039):1715.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1763318" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy ; Antiviral Agents/*therapeutic use/toxicity ; *Benzodiazepines ; Drug Evaluation ; Drug Industry ; Gene Products, tat/*antagonists & inhibitors ; HIV/drug effects ; Humans ; *Pyrroles ; United States ; tat Gene Products, Human Immunodeficiency Virus
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    Linkage of faulty major histocompatibility complex class I to autoimmune diabetes (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-12-20
    Description: Pancreatic islet cells are the targets of an autoimmune response in type I diabetes. In the nonobese diabetic (NOD) mouse model of autoimmune diabetes, expression of major histocompatibility complex (MHC) class I proteins was inversely correlated with diabetes; in this mouse a mutation in the MHC class II-linked gene for the putative MHC class I peptide transporter was also present. Mice deficient in MHC class I expression because they do not produce beta 2-microglobulin also developed late onset autoimmune diabetes. In cells from humans with type I diabetes expression of MHC class I was decreased; subsets of prediabetics categorized as most likely to become hyperglycemic also had low MHC class I. T cell responses to self antigens are faulty in diabetics. In sets of genetically identical twins that are discordant for diabetes, the defect appeared to reside with the antigen presenting cell. Thus, a lack of surface MHC class I protein is associated with autoimmune diabetes; the concomitant defect in antigen presentation may impair the development of self tolerance, which could result in autoimmune disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Faustman, D -- Li, X P -- Lin, H Y -- Fu, Y E -- Eisenbarth, G -- Avruch, J -- Guo, J -- New York, N.Y. -- Science. 1991 Dec 20;254(5039):1756-61.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Harvard Medical School, Massachusetts General Hospital, Charlestown 02129.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1763324" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autoimmune Diseases/*genetics ; Cytotoxicity, Immunologic ; Diabetes Mellitus, Type 1/genetics/*immunology ; Diseases in Twins ; Flow Cytometry ; Gene Expression ; *Genes, MHC Class I ; Humans ; *Lymphocyte Activation ; Lymphocytes/*immunology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Mice, Inbred NOD ; Prediabetic State/genetics/immunology ; Spleen/immunology ; T-Lymphocytes/immunology
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    Putting AIDS research in perspective (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1991 Mar 8;251(4998):1172.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2006406" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*economics ; Behavioral Research ; *Biomedical Research ; Federal Government ; Humans ; National Institutes of Health (U.S.) ; *Research Support as Topic ; *Resource Allocation ; United States
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  • 29
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    Leadership shuffle at Sloan Kettering (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-06-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1991 Jun 7;252(5011):1372.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2047849" target="_blank"〉PubMed〈/a〉
    Keywords: Cancer Care Facilities/*organization & administration ; History, 20th Century ; Humans ; Male
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    OSI investigator "reined in" (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-07-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamilton, D P -- New York, N.Y. -- Science. 1991 Jul 26;253(5018):372.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1862335" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome ; Hiv ; Humans ; National Institutes of Health (U.S.)/*organization & administration ; Research/*standards ; *Scientific Misconduct ; United States ; United States Dept. of Health and Human Services/organization & administration
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    Function of the homeodomain protein GHF1 in pituitary cell proliferation (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-07-12
    Description: Mutations that cause pituitary dwarfism in the mouse reside in the gene encoding the transcription factor growth hormone factor 1 (GHF1 or pit1). These dwarf mice (dw and dwJ) are deficient in growth hormone (GH) and prolactin (PRL) synthesis and exhibit pituitary hypoplasia, suggesting a stem cell defect. With antisense oligonucleotide technology, a cell culture model of this genetic defect was developed. Specific inhibition of GHF1 synthesis by complementary oligonucleotides led to a marked decrease in GH and PRL expression and to a marked decrease in proliferation of somatotrophic cell lines. These results provide direct evidence that the homeodomain protein GHF1 is required not only for the establishment and maintenance of the differentiated phenotype but for cell proliferation as well.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Castrillo, J L -- Theill, L E -- Karin, M -- DK38527/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1991 Jul 12;253(5016):197-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, School of Medicine, University of California, San Diego, La Jolla 92093.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1677216" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antisense Elements (Genetics) ; Base Sequence ; *Cell Division ; Cells, Cultured ; DNA/biosynthesis ; DNA-Binding Proteins/*physiology ; Dwarfism/genetics ; Gene Expression Regulation ; *Genes, Homeobox ; Growth Hormone/genetics ; In Vitro Techniques ; Mice ; Molecular Sequence Data ; Pituitary Gland/*cytology/physiology ; Prolactin/genetics ; Transcription Factor Pit-1 ; Transcription Factors/*physiology
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    Cloning and expression of a cocaine-sensitive rat dopamine transporter (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-10-25
    Description: The action of dopamine and other monoamine neurotransmitters at synapses is terminated predominantly by high-affinity reuptake into presynaptic terminals by specific sodium-dependent neurotransmitter transport proteins. A complementary DNA encoding a rat dopamine transporter has been isolated that exhibits high sequence similarity with the previously cloned norepinephrine and gamma-aminobutyric acid transporters. Transient expression of the complementary DNA in HeLa cells confirms the cocaine sensitivity of this transporter.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kilty, J E -- Lorang, D -- Amara, S G -- New York, N.Y. -- Science. 1991 Oct 25;254(5031):578-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Yale University, New Haven, CT 06510.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948035" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Carrier Proteins/drug effects/*genetics/metabolism ; Cloning, Molecular ; Cocaine/*pharmacology ; Dopamine/*metabolism ; Dopamine Plasma Membrane Transport Proteins ; Gene Expression ; HeLa Cells ; Humans ; Kinetics ; *Membrane Glycoproteins ; *Membrane Transport Proteins ; Molecular Sequence Data ; *Nerve Tissue Proteins ; Oligodeoxyribonucleotides ; Polymerase Chain Reaction/methods ; Rats ; Sequence Homology, Nucleic Acid ; Transfection
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    A genetic model for interaction of the homeodomain recognition helix with DNA (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-01-25
    Description: The Bicoid homeodomain protein controls anterior development in the Drosophila embryo by binding to DNA and regulating gene expression. With the use of genetic assays in yeast, the interaction between the Bicoid homeodomain and a series of mutated DNA sites was studied. These experiments defined important features of homeodomain binding sites, identified specific amino acid-base pair contacts, and suggested a model for interaction of the recognition alpha-helices of Bicoid and Antennapedia-class homeodomain proteins with DNA. The model is in general agreement with results of crystallographic and magnetic resonance studies, but differs in important details. It is likely that genetic studies of protein-DNA interaction will continue to complement conventional structural approaches.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hanes, S D -- Brent, R -- New York, N.Y. -- Science. 1991 Jan 25;251(4992):426-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Massachusetts General Hospital, Boston 02114.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1671176" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; DNA/*metabolism ; DNA-Binding Proteins/*genetics/metabolism ; Drosophila ; Gene Expression Regulation ; Genes, Homeobox/*genetics ; *Homeodomain Proteins ; Insect Hormones/*genetics/metabolism ; *Models, Genetic ; Molecular Sequence Data ; *Trans-Activators ; Transcription, Genetic
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    Visualizing the higher order folding of a catalytic RNA molecule (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-01-25
    Description: The higher order folding process of the catalytic RNA derived from the self-splicing intron of Tetrahymena thermophila was monitored with the use of Fe(II)-EDTA-induced free radical chemistry. The overall tertiary structure of the RNA molecule forms cooperatively with the uptake of at least three magnesium ions. Local folding transitions display different metal ion dependencies, suggesting that the RNA tertiary structure assembles through a specific folding intermediate before the catalytic core is formed. Enzymatic activity, assayed with an RNA substrate that is complementary to the catalytic RNA active site, coincides with the cooperative structural transition. The higher order RNA foldings produced by Mg(II), Ca(II), and Sr(II) are similar; however, only the Mg(II)-stabilized RNA is catalytically active. Thus, these results directly demonstrate that divalent metal ions participate in general folding of the ribozyme tertiary structure, and further indicate a more specific involvement of Mg(II) in catalysis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Celander, D W -- Cech, T R -- New York, N.Y. -- Science. 1991 Jan 25;251(4992):401-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Chemistry and Biochemistry, University of Colorado, Boulder 80309-0215.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1989074" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Calcium/metabolism ; Densitometry ; Kinetics ; Magnesium/metabolism ; Magnesium Chloride/pharmacology ; Molecular Sequence Data ; Nucleic Acid Conformation ; RNA, Catalytic/*chemistry/drug effects/metabolism ; Strontium/metabolism ; Tetrahymena
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    Mutation identified as a possible cause of Alzheimer's disease (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-02-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J -- New York, N.Y. -- Science. 1991 Feb 22;251(4996):876-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1900373" target="_blank"〉PubMed〈/a〉
    Keywords: Alzheimer Disease/*genetics ; Amyloid beta-Peptides/*genetics ; Amyloid beta-Protein Precursor ; Chromosomes, Human, Pair 21 ; Cloning, Molecular ; Humans ; *Mutation ; Protein Precursors/*genetics
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    In vitro and in vivo consequences of VLA-2 expression on rhabdomyosarcoma cells (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-29
    Description: Cloned integrin alpha 2 subunit complementary DNA was expressed on human rhabdomyosarcoma (RD) cells to give a functional VLA-2 (alpha 2 beta 1) adhesion receptor. The VLA-2-positive RDA2 cells not only showed increased adhesion to collagen and laminin in vitro, but also formed substantially more metastatic tumor colonies in nude mice after either intravenous or subcutaneous injection. These results show that a specific adhesion receptor (VLA-2) can markedly enhance both experimental and spontaneous metastasis. In contrast to the metastasis results, there was no difference in either the in vitro growth rate or apparent in vivo tumorigenicity of RD and RDA2 cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chan, B M -- Matsuura, N -- Takada, Y -- Zetter, B R -- Hemler, M E -- CA 37393/CA/NCI NIH HHS/ -- GM 38903/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1991 Mar 29;251(5001):1600-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2011740" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Cell Adhesion ; Cell Line ; Collagen ; Fibronectins ; Humans ; Kinetics ; Laminin ; Lung Neoplasms/pathology/secondary ; Mice ; Mice, Nude ; Neoplasm Metastasis ; Neoplasm Transplantation ; Receptors, Very Late Antigen/genetics/*physiology ; Rhabdomyosarcoma/*pathology ; Transplantation, Heterologous
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    The medial temporal lobe memory system (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-09-20
    Description: Studies of human amnesia and studies of an animal model of human amnesia in the monkey have identified the anatomical components of the brain system for memory in the medial temporal lobe and have illuminated its function. This neural system consists of the hippocampus and adjacent, anatomically related cortex, including entorhinal, perirhinal, and parahippocampal cortices. These structures, presumably by virtue of their widespread and reciprocal connections with neocortex, are essential for establishing long-term memory for facts and events (declarative memory). The medial temporal lobe memory system is needed to bind together the distributed storage sites in neocortex that represent a whole memory. However, the role of this system is only temporary. As time passes after learning, memory stored in neocortex gradually becomes independent of medial temporal lobe structures.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Squire, L R -- Zola-Morgan, S -- MH24600/MH/NIMH NIH HHS/ -- NS19063/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1991 Sep 20;253(5026):1380-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Veterans Affairs Medical Center, San Diego, CA 92161.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1896849" target="_blank"〉PubMed〈/a〉
    Keywords: Amnesia/physiopathology ; Amygdala/physiology ; Animals ; Brain/*physiology ; Brain Mapping ; Cerebral Cortex/physiology ; Hippocampus/physiology ; Humans ; Memory/*physiology ; Temporal Lobe/*physiology
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    Improvements seen for RU-486 abortions (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maurice, J -- New York, N.Y. -- Science. 1991 Oct 11;254(5029):198, 200.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925574" target="_blank"〉PubMed〈/a〉
    Keywords: *Abortion, Induced ; Female ; Humans ; Internationality ; Mifepristone/*therapeutic use ; Pregnancy ; Pregnant Women ; *Risk Assessment
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  • 39
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    Resistance to ddI and sensitivity to AZT induced by a mutation in HIV-1 reverse transcriptase (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-09-27
    Description: Serial human immunodeficiency virus type-1 (HIV-1) isolates were obtained from five individuals with acquired immunodeficiency syndrome (AIDS) who changed therapy to 2',3'-dideoxyinosine (ddI) after at least 12 months of treatment with 3'-azido-3'-deoxythymidine (zidovudine, AZT). The in vitro sensitivity to ddI decreased during the 12 months following ddI initiation, whereas AZT sensitivity increased. Analysis of the reverse transcriptase coding region revealed a mutation associated with reduced sensitivity to ddI. When this mutation was present in the same genome as a mutation known to confer AZT resistance, the isolates showed increased sensitivity to AZT. Analysis of HIV-1 variants confirmed that the ddI resistance mutation alone conferred ddI and 2',3'-dideoxycytidine resistance, and suppressed the effect of the AZT resistance mutation. The use of combination therapy for HIV-1 disease may prevent drug-resistant isolates from emerging.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉St Clair, M H -- Martin, J L -- Tudor-Williams, G -- Bach, M C -- Vavro, C L -- King, D M -- Kellam, P -- Kemp, S D -- Larder, B A -- New York, N.Y. -- Science. 1991 Sep 27;253(5027):1557-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Virology, Burroughs Wellcome Co., Research Triangle Park, NC 27709.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1716788" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy/microbiology ; Base Sequence ; DNA, Viral/*genetics ; Didanosine/*pharmacology/*therapeutic use ; Drug Resistance, Microbial ; Genotype ; HIV-1/*drug effects/enzymology/isolation & purification ; Humans ; Molecular Sequence Data ; *Mutation ; Oligodeoxyribonucleotides ; RNA-Directed DNA Polymerase/*genetics/metabolism ; Zidovudine/pharmacology/*therapeutic use
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    Related RNA polymerase-binding regions in human RAP30/74 and Escherichia coli sigma 70 (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-08-23
    Description: RAP30/74 is a heteromeric general transcription initiation factor that binds to mammalian RNA polymerase II. The RAP30 subunit contains a region that is similar in amino acid sequence to the RNA polymerase-binding domain of the Escherichia coli transcription initiation factor sigma 70 (sigma 70). Mammalian RNA polymerase II specifically protected a serine residue in the sigma 70-related region of RAP30 from phosphorylation in vitro. In addition, human RAP30/74 bound to Escherichia coli RNA polymerase and was displaced by sigma 70. These results suggest that RAP30 and sigma 70 have functionally related RNA polymerase-binding regions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McCracken, S -- Greenblatt, J -- New York, N.Y. -- Science. 1991 Aug 23;253(5022):900-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Banting and Best Department of Medical Research, University of Toronto, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1652156" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Binding Sites ; Centrifugation, Density Gradient ; Cyanogen Bromide ; Cyclic AMP/pharmacology ; Escherichia coli/*analysis/enzymology ; Humans ; Molecular Sequence Data ; Peptide Fragments/chemistry/metabolism ; Phosphorylation ; Protein Kinases/metabolism ; RNA Polymerase II/*metabolism ; Sigma Factor/chemistry/*metabolism ; Transcription Factors/chemistry/*metabolism ; *Transcription Factors, TFII ; Trypsin
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    Exchange of conduction pathways between two related K+ channels (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-02-22
    Description: The structure of the ion conduction pathway or pore of voltage-gated ion channels is unknown, although the linker between the membrane spanning segments S5 and S6 has been suggested to form part of the pore in potassium channels. To test whether this region controls potassium channel conduction, a 21-amino acid segment of the S5-S6 linker was transplanted from the voltage-activated potassium channel NGK2 to another potassium channel DRK1, which has very different pore properties. In the resulting chimeric channel, the single channel conductance and blockade by external and internal tetraethylammonium (TEA) ion were characteristic of the donor NGK2 channel. Thus, this 21-amino acid segment controls the essential biophysical properties of the pore and may form the conduction pathway of these potassium channels.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hartmann, H A -- Kirsch, G E -- Drewe, J A -- Taglialatela, M -- Joho, R H -- Brown, A M -- NS08805/NS/NINDS NIH HHS/ -- NS23877/NS/NINDS NIH HHS/ -- NS28407/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1991 Feb 22;251(4996):942-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, TX 77030.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2000495" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Brain/physiology ; Chimera ; Cloning, Molecular ; Female ; Ion Channel Gating ; Membrane Potentials ; Molecular Sequence Data ; Oligonucleotide Probes ; Oocytes/physiology ; Polymerase Chain Reaction ; Potassium Channels/drug effects/genetics/*physiology ; Rats ; Restriction Mapping ; Sequence Homology, Nucleic Acid ; Tetraethylammonium ; Tetraethylammonium Compounds/pharmacology ; Xenopus
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    Artificial heart development: a long effort (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harrell, G T -- New York, N.Y. -- Science. 1991 Nov 1;254(5032):630-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948039" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomedical Engineering ; *Heart, Artificial ; Humans
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    Interaction of the IL-2 receptor with the src-family kinase p56lck: identification of novel intermolecular association (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-06-14
    Description: In the interleukin-2 (IL-2) system, intracellular signal transduction is triggered by the beta chain of the IL-2 receptor (IL-2R beta); however, the responsible signaling mechanism remains unidentified. Evidence for the formation of a stable complex of IL-2R beta and the lymphocyte-specific protein tyrosine kinase p56lck is presented. Specific association sites were identified in the tyrosine kinase catalytic domain of p56lck and in the cytoplasmic domain of IL-2R beta. As a result of interaction, IL-2R beta became phosphorylated in vitro by p56lck. Treatment of T lymphocytes with IL-2 promotes p56lck kinase activity. These data suggest the participation of p56lck as a critical signaling molecule downstream of IL-2R via a novel interaction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hatakeyama, M -- Kono, T -- Kobayashi, N -- Kawahara, A -- Levin, S D -- Perlmutter, R M -- Taniguchi, T -- New York, N.Y. -- Science. 1991 Jun 14;252(5012):1523-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Molecular and Cellular Biology, Osaka University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2047859" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Antigens, CD/immunology ; Base Sequence ; Binding Sites ; Cell Division/drug effects ; Cell Line ; Humans ; Interleukin-2/pharmacology ; Killer Cells, Natural/cytology/drug effects/immunology ; Lymphocyte Activation ; Lymphocyte Specific Protein Tyrosine Kinase p56(lck) ; Lymphocytes/drug effects/*immunology ; Macromolecular Substances ; Molecular Sequence Data ; Molecular Weight ; Oligonucleotide Probes ; Protein-Tyrosine Kinases/genetics/isolation & purification/*metabolism ; Receptors, Interleukin-2/genetics/isolation & purification/*physiology ; *Signal Transduction ; Transfection
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    Three Europeans find their own road to fame (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Nov 22;254(5035):1116-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1957163" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Cycle ; Europe ; Gene Expression Regulation ; History, 20th Century ; Humans ; Neoplasms/etiology/*physiopathology ; Oncogenic Viruses/pathogenicity
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  • 45
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    Deregulation of a homeobox gene, HOX11, by the t(10;14) in T cell leukemia (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-07-05
    Description: Molecular cloning of the t(10;14)(q24;q11) recurrent breakpoint of T cell acute lymphoblastic leukemia has demonstrated a transcript for the candidate gene TCL3. Characterization of this gene from chromosome segment 10q24 revealed it to be a new homeobox, HOX11. The HOX11 homeodomain is most similar to that of the murine gene Hlx and possesses a markedly glycine-rich variable region and an acidic carboxyl terminus. HOX11, while expressed in liver, was not detected in normal thymus or T cells. This lineage-restricted homeobox gene is deregulated upon translocation into the T cell receptor locus where it may act as an oncogene.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hatano, M -- Roberts, C W -- Minden, M -- Crist, W M -- Korsmeyer, S J -- 1 PO1 CA49712/CA/NCI NIH HHS/ -- CA 21765/CA/NCI NIH HHS/ -- CA 30969/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1991 Jul 5;253(5015):79-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Washington University School of Medicine, St. Louis, MO 63110.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1676542" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Blotting, Northern ; Chromosomes, Human, Pair 10 ; Chromosomes, Human, Pair 14 ; Cloning, Molecular ; *Gene Expression Regulation, Neoplastic ; *Genes, Homeobox ; Humans ; Leukemia-Lymphoma, Adult T-Cell/*genetics ; Mice ; Molecular Sequence Data ; Receptors, Antigen, T-Cell/genetics ; Restriction Mapping ; Sequence Homology, Nucleic Acid ; *Translocation, Genetic
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    Cuban AIDS control (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-10
    Description: In an item on a "dog genome project" (Science, 19 April, p. 382), we failed to say that while Eric Lander of MIT and David Botstein of Stanford University developed methods for mapping the genes for complex traits, the test of the method on tomatoes was done (with Lander's collaboration) at Steven D. Tanksley's lab at Cornell University.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 May 10;252(5007):775.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2028252" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*prevention & control ; Humans ; Mass Screening ; Quarantine
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    Selective activation of the B natriuretic peptide receptor by C-type natriuretic peptide (CNP) (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-04-05
    Description: The natriuretic peptides are hormones that can stimulate natriuretic, diuretic, and vasorelaxant activity in vivo, presumably through the activation of two known cell surface receptor guanylyl cyclases (ANPR-A and ANPR-B). Although atrial natriuretic peptide (ANP) and, to a lesser extent, brain natriuretic peptide (BNP) are efficient activators of the ANPR-A guanylyl cyclase, neither hormone can significantly stimulate ANPR-B. A member of this hormone family, C-type natriuretic peptide (CNP), potently and selectively activated the human ANPR-B guanylyl cyclase. CNP does not increase guanosine 3',5'-monophosphate accumulation in cells expressing human ANPR-A. The affinity of CNP for ANPR-B is 50- or 500-fold higher than ANP or BNP, respectively. This ligand-receptor pair may be involved in the regulation of fluid homeostasis by the central nervous system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koller, K J -- Lowe, D G -- Bennett, G L -- Minamino, N -- Kangawa, K -- Matsuo, H -- Goeddel, D V -- New York, N.Y. -- Science. 1991 Apr 5;252(5002):120-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, Genentech, Inc., South San Francisco 94080.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1672777" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atrial Natriuretic Factor/*physiology ; Cells, Cultured ; Cercopithecus aethiops ; Cloning, Molecular ; Dose-Response Relationship, Drug ; Guanylate Cyclase/metabolism ; Humans ; Natriuretic Peptide, Brain ; Natriuretic Peptide, C-Type ; Nerve Tissue Proteins/*pharmacology ; Receptors, Atrial Natriuretic Factor ; Receptors, Cell Surface/*physiology ; Recombinant Proteins ; Signal Transduction
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    New hope for vaccine against schistosomiasis (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-02-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cherfas, J -- New York, N.Y. -- Science. 1991 Feb 8;251(4994):630-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1992516" target="_blank"〉PubMed〈/a〉
    Keywords: Antigens, Helminth/immunology ; Glutathione Transferase/immunology ; Humans ; Schistosomiasis/*prevention & control ; Triose-Phosphate Isomerase/immunology ; Vaccines, Synthetic
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    Flying into the future (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-10-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koshland, D E Jr -- New York, N.Y. -- Science. 1991 Oct 11;254(5029):173.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925565" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Drosophila melanogaster/genetics ; Genome ; Genome, Human ; *Human Genome Project ; Humans
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    Longitudinal studies of effects of divorce on children in Great Britain and the United States (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-06-07
    Description: National, longitudinal surveys from Great Britain and the United States were used to investigate the effects of divorce on children. In both studies, a subsample of children who were in two-parent families during the initial interview (at age 7 in the British data and at ages 7 to 11 in the U.S. data) were followed through the next interview (at age 11 and ages 11 to 16, respectively). At both time points in the British data, parents and teachers independently rated the children's behavior problems, and the children were given reading and mathematics achievement tests. At both time points in the U.S. data, parents rated the children's behavior problems. Children whose parents divorced or separated between the two time points were compared to children whose families remained intact. For boys, the apparent effect of separation or divorce on behavior problems and achievement at the later time point was sharply reduced by considering behavior problems, achievement levels, and family difficulties that were present at the earlier time point, before any of the families had broken up. For girls, the reduction in the apparent effect of divorce occurred to a lesser but still noticeable extent once preexisting conditions were considered.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cherlin, A J -- Furstenberg, F F Jr -- Chase-Lansdale, L -- Kiernan, K E -- Robins, P K -- Morrison, D R -- Teitler, J O -- HD25936/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1991 Jun 7;252(5011):1386-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Sociology, Johns Hopkins University, Baltimore, MD 21218.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2047851" target="_blank"〉PubMed〈/a〉
    Keywords: Achievement ; Adolescent ; Child ; Child Behavior ; Divorce/*psychology ; England ; Female ; Humans ; Longitudinal Studies ; Male ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Fertility, health, and consanguineous marriages (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-12-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hedrick, P -- New York, N.Y. -- Science. 1991 Dec 6;254(5037):1434-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1810291" target="_blank"〉PubMed〈/a〉
    Keywords: *Consanguinity ; *Fertility ; Gene Frequency ; Health ; Humans
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    PCBs in the environment (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Nov 15;254(5034):919-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948073" target="_blank"〉PubMed〈/a〉
    Keywords: *Environmental Pollutants ; Humans ; Polychlorinated Biphenyls/*toxicity
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    Structural features that give rise to the unusual stability of RNA hairpins containing GNRA loops (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-07-12
    Description: The most frequently occurring RNA hairpins in 16S and 23S ribosomal RNA contain a tetranucleotide loop that has a GNRA consensus sequence. The solution structures of the GCAA and GAAA hairpins have been determined by nuclear magnetic resonance spectroscopy. Both loops contain an unusual G-A base pair between the first and last residue in the loop, a hydrogen bond between a G base and a phosphate, extensive base stacking, and a hydrogen bond between a sugar 2'-end OH and a base. These interactions explain the high stability of these hairpins and the sequence requirements for the variant and invariant nucleotides in the GNRA tetranucleotide loop family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Heus, H A -- Pardi, A -- AI 27026/AI/NIAID NIH HHS/ -- AI 30726/AI/NIAID NIH HHS/ -- RR03283/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1991 Jul 12;253(5016):191-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Biochemistry, University of Colorado, Boulder 80309.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1712983" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Computer Graphics ; Hydrogen Bonding ; Magnetic Resonance Spectroscopy ; Models, Molecular ; Molecular Sequence Data ; Nucleic Acid Conformation ; Oligoribonucleotides/chemistry ; RNA/chemistry/*ultrastructure ; Structure-Activity Relationship ; Thermodynamics
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    Name of the game? (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-09-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fox, C H -- New York, N.Y. -- Science. 1991 Sep 6;253(5024):1075.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1887232" target="_blank"〉PubMed〈/a〉
    Keywords: *Ethics, Professional ; Female ; Humans ; Laboratories/organization & administration ; Male ; Research Support as Topic ; Scientific Misconduct ; United States
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    A heparin-binding growth factor secreted by macrophage-like cells that is related to EGF (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-02-22
    Description: Macrophage-like U-937 cells secrete a 22-kilodalton heparin-binding growth factor that is mitogenic for BALB-3T3 fibroblasts and smooth muscle cells, but not endothelial cells. The amino acid sequence predicted from complementary DNA clones indicates that the mitogen is a new member of the epidermal growth factor (EGF) family. This heparin-binding EGF-like growth factor (HB-EGF) binds to EGF receptors on A-431 epidermoid carcinoma cells and smooth muscle cells, but is a far more potent mitogen for smooth muscle cells than is EGF. HB-EGF is also expressed in cultured human macrophages and may be involved in macrophage-mediated cellular proliferation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Higashiyama, S -- Abraham, J A -- Miller, J -- Fiddes, J C -- Klagsbrun, M -- CA37392/CA/NCI NIH HHS/ -- CA45548/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1991 Feb 22;251(4996):936-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Surgical Research, Children's Hospital, Boston, MA 02115.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1840698" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Cell Division/drug effects ; Cell Line ; Chromatography, Affinity ; Chromatography, High Pressure Liquid ; DNA Replication/drug effects ; Epidermal Growth Factor/genetics/isolation & ; purification/*metabolism/pharmacology ; Growth Substances/*metabolism ; Heparin/*metabolism ; Humans ; Kinetics ; Macrophages/*metabolism ; Molecular Sequence Data ; Protein Binding ; Receptor, Epidermal Growth Factor/metabolism ; Sequence Homology, Nucleic Acid
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    Carcinogens and human health: Part 2 (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-01-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rall, D P -- New York, N.Y. -- Science. 1991 Jan 4;251(4989):10-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1986406" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carcinogenicity Tests/standards ; Carcinogens/*toxicity ; Humans ; National Institutes of Health (U.S.) ; Neoplasms/*chemically induced ; *Toxicology ; United States
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    Targets for dioxin: genes for plasminogen activator inhibitor-2 and interleukin-1 beta (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-10-18
    Description: Dioxin (2,3,7,8-tetrachlorodibenzo-p-dioxin, TCDD), a widespread environmental contaminant, may elicit its effects by altering gene expression in susceptible cells. Five TCDD-responsive complementary DNA clones were isolated from a human keratinocyte cell line. One of these clones encodes plasminogen activator inhibitor-2, a factor that influences growth and differentiation by regulating proteolysis of the extracellular matrix. Another encodes the cytokine interleukin-1 beta. Thus, TCDD alters the expression of growth regulatory genes and has effects similar to those of other tumor-promoting agents that affect both inflammation and differentiation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sutter, T R -- Guzman, K -- Dold, K M -- Greenlee, W F -- New York, N.Y. -- Science. 1991 Oct 18;254(5030):415-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Chemical Industry Institute of Toxicology, Research Triangle Park, NC 27709.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925598" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Blood Physiological Phenomena ; Blotting, Northern ; Calcium/pharmacology ; Cell Line ; Cloning, Molecular ; Cycloheximide/pharmacology ; Gene Expression Regulation/drug effects ; Humans ; Interleukin-1/*genetics ; *Plasminogen Inactivators ; RNA, Messenger/drug effects ; Tetrachlorodibenzodioxin/*pharmacology ; Transcription, Genetic/drug effects
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    Solution structure of FKBP, a rotamase enzyme and receptor for FK506 and rapamycin (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-10
    Description: Immunophilins, when complexed to immunosuppressive ligands, appear to inhibit signal transduction pathways that result in exocytosis and transcription. The solution structure of one of these, the human FK506 and rapamycin binding protein (FKBP), has been determined by nuclear magnetic resonance (NMR). FKBP has a previously unobserved antiparallel beta-sheet folding topology that results in a novel loop crossing and produces a large cavity lined by a conserved array of aromatic residues; this cavity serves as the rotamase active site and drug-binding pocket. There are other significant structural features (such as a protruding positively charged loop and an apparently flexible loop) that may be involved in the biological activity of FKBP.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Michnick, S W -- Rosen, M K -- Wandless, T J -- Karplus, M -- Schreiber, S L -- GM-30804/GM/NIGMS NIH HHS/ -- GM-38627/GM/NIGMS NIH HHS/ -- I-S10-RR04870/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1991 May 10;252(5007):836-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, Harvard University, Cambridge, MA 02138.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1709301" target="_blank"〉PubMed〈/a〉
    Keywords: Anti-Bacterial Agents/metabolism ; Binding Sites ; Carrier Proteins/*ultrastructure ; Crystallography ; Humans ; Immunosuppressive Agents/metabolism ; Magnetic Resonance Spectroscopy ; Molecular Structure ; Polyenes/metabolism ; Sirolimus ; Tacrolimus ; Tacrolimus Binding Proteins
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    Form, motion, and binocular rivalry (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-02-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ramachandran, V S -- New York, N.Y. -- Science. 1991 Feb 22;251(4996):950-1.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, University of California, San Diego, La Jolla 92093-0109.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2000497" target="_blank"〉PubMed〈/a〉
    Keywords: Brain/physiology ; Humans ; *Motion Perception ; *Vision, Binocular ; *Visual Fields
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    Crystal structure of defensin HNP-3, an amphiphilic dimer: mechanisms of membrane permeabilization (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-22
    Description: Defensins (molecular weight 3500 to 4000) act in the mammalian immune response by permeabilizing the plasma membranes of a broad spectrum of target organisms, including bacteria, fungi, and enveloped viruses. The high-resolution crystal structure of defensin HNP-3 (1.9 angstrom resolution, R factor 0.19) reveals a dimeric beta sheet that has an architecture very different from other lytic peptides. The dimeric assembly suggests mechanisms by which defensins might bind to and permeabilize the lipid bilayer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hill, C P -- Yee, J -- Selsted, M E -- Eisenberg, D -- New York, N.Y. -- Science. 1991 Mar 22;251(5000):1481-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Eisenberg, Molecular Biology Institute, Los Angeles, CA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2006422" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Blood Proteins/chemistry/*ultrastructure ; Cell Membrane Permeability ; Crystallography ; Defensins ; Guinea Pigs ; Humans ; Macromolecular Substances ; Membrane Proteins/chemistry/ultrastructure ; Models, Molecular ; Molecular Sequence Data ; Molecular Structure ; Protein Conformation ; Rabbits ; Rats ; Structure-Activity Relationship ; X-Ray Diffraction ; *alpha-Defensins
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    A unique lab design fits the British to a tea (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-07-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, A -- New York, N.Y. -- Science. 1991 Jul 26;253(5018):377-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1862338" target="_blank"〉PubMed〈/a〉
    Keywords: Developmental Biology ; Employment ; Facility Design and Construction ; Foreign Professional Personnel ; Great Britain ; Humans ; *Laboratories ; Neoplasms ; *Research ; United States
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    Multiple representations of pain in human cerebral cortex (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-03-15
    Description: The representation of pain in the cerebral cortex is less well understood than that of any other sensory system. However, with the use of magnetic resonance imaging and positron emission tomography in humans, it has now been demonstrated that painful heat causes significant activation of the contralateral anterior cingulate, secondary somatosensory, and primary somatosensory cortices. This contrasts with the predominant activation of primary somatosensory cortex caused by vibrotactile stimuli in similar experiments. Furthermore, the unilateral cingulate activation indicates that this forebrain area, thought to regulate emotions, contains an unexpectedly specific representation of pain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Talbot, J D -- Marrett, S -- Evans, A C -- Meyer, E -- Bushnell, M C -- Duncan, G H -- New York, N.Y. -- Science. 1991 Mar 15;251(4999):1355-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire de neurophysiologie comportementale, Faculte de medecine dentaire, Universite de Montreal, Quebec, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2003220" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Animals ; Anxiety/physiopathology ; Brain Mapping ; Cerebral Cortex/*physiology ; Functional Laterality ; Hot Temperature ; Humans ; Magnetic Resonance Imaging ; Male ; Pain/*physiopathology ; Tomography, Emission-Computed
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    Networks for thinking in cliques? (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-08-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, A -- New York, N.Y. -- Science. 1991 Aug 2;253(5019):506.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1857979" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome ; *Computers ; Equipment Design ; Humans ; Periodicals as Topic ; Publishing ; *Research ; *Thinking
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    Mapping of DNA instability at the fragile X to a trinucleotide repeat sequence p(CCG)n (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-06-21
    Description: The sequence of a Pst I restriction fragment was determined that demonstrate instability in fragile X syndrome pedigrees. The region of instability was localized to a trinucleotide repeat p(CCG)n. The sequence flanking this repeat were identical in normal and affected individuals. The breakpoints in two somatic cell hybrids constructed to break at the fragile site also mapped to this repeat sequence. The repeat exhibits instability both when cloned in a nonhomologous host and after amplification by the polymerase chain reaction. These results suggest variation in the trinucleotide repeat copy number as the molecular basis for the instability and possibly the fragile site. This would account for the observed properties of this region in vivo and in vitro.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kremer, E J -- Pritchard, M -- Lynch, M -- Yu, S -- Holman, K -- Baker, E -- Warren, S T -- Schlessinger, D -- Sutherland, G R -- Richards, R I -- New York, N.Y. -- Science. 1991 Jun 21;252(5013):1711-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cytogenetics and Molecular Genetics, Adelaide Children's Hospital, South Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1675488" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Blotting, Southern ; Chromosome Mapping ; Fragile X Syndrome/*genetics ; Humans ; Molecular Sequence Data ; Pedigree ; Polymerase Chain Reaction ; Polymorphism, Restriction Fragment Length ; Repetitive Sequences, Nucleic Acid ; Restriction Mapping ; X Chromosome/ultrastructure
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    Cadherin cell adhesion receptors as a morphogenetic regulator (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-03-22
    Description: Cadherins are a family of cell adhesion receptors that are crucial for the mutual association of vertebrate cells. Through their homophilic binding interactions, cadherins play a role in cell-sorting mechanisms, conferring adhesion specificities on cells. The regulated expression of cadherins also controls cell polarity and tissue morphology. Cadherins are thus considered to be important regulators of morphogenesis. Moreover, pathological examinations suggest that the down-regulation of cadherin expression is associated with the invasiveness of tumor cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Takeichi, M -- New York, N.Y. -- Science. 1991 Mar 22;251(5000):1451-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biophysics, Faculty of Science, Kyoto University, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2006419" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/pathology ; Animals ; Cadherins/*physiology ; Calcium/physiology ; *Cell Adhesion ; Cytoskeleton/physiology ; Humans ; *Morphogenesis ; Neoplasm Metastasis ; Stomach Neoplasms/pathology
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    HRR25, a putative protein kinase from budding yeast: association with repair of damaged DNA (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-08-30
    Description: In simple eukaryotes, protein kinases regulate mitotic and meiotic cell cycles, the response to polypeptide pheromones, and the initiation of nuclear DNA synthesis. The protein HRR25 from the budding yeast Saccharomyces cerevisiae was defined by the mutation hrr25-1. This mutation resulted in sensitivity to continuous expression of the HO double-strand endonuclease, to methyl methanesulfonate, and to x-irradiation. Homozygotes of hrr25-1 were unable to sporulate and disruption and deletion of HRR25 interfered with mitotic and meiotic cell division. Sequence analysis revealed two distinctive regions in the protein. The NH2-terminus of HRR25 contains the hallmark features of protein kinases, whereas the COOH-terminus is rich in proline and glutamine. Mutations in HRR25 at conserved residues found in all protein kinases inactivated the gene, and these mutants exhibited the hrr25 null phenotypes. Taken together, the hrr25 mutant phenotypes and the features of the gene product indicate that HRR25 is a distinctive member of the protein kinase superfamily.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoekstra, M F -- Liskay, R M -- Ou, A C -- DeMaggio, A J -- Burbee, D G -- Heffron, F -- New York, N.Y. -- Science. 1991 Aug 30;253(5023):1031-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Molecular Biology and Virology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92186.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1887218" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; *Casein Kinase I ; *DNA Damage ; *DNA Repair ; Fungal Proteins/*genetics/metabolism ; Gene Library ; Genes, Fungal ; Meiosis ; Methyl Methanesulfonate/pharmacology ; Molecular Sequence Data ; Mutagenesis, Insertional ; Mutagenesis, Site-Directed ; Oligonucleotide Probes ; Phenotype ; *Protein Kinases ; Restriction Mapping ; Saccharomyces cerevisiae/enzymology/*genetics/physiology ; *Saccharomyces cerevisiae Proteins ; Sequence Homology, Nucleic Acid
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    Faculty retirement (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-08-02
    Description: I would like to point out several errors of citation at the end of my article ;;Cocaine addiction: Psychology and neuropsychology'' (29 Mar., p. 1580). In the References and Notes, reference 42 was missing. It should have read, ;;42. T. Kosten et al., in preparation.'' Also in the References and Notes, reference 44 should have been numbered 43. In the text, citation 43 should have been numbered 41. In figure 3, the attribution was missing. It should have read, ;;Reprinted with permission from T. Kosten et al. (42).''〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Friedman, P J -- New York, N.Y. -- Science. 1991 Aug 2;253(5019):494.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1857973" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Databases, Bibliographic ; *Faculty ; Faculty, Medical ; Government Agencies ; Humans ; *Retirement ; United States
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    Oh, for a normal brain! (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Nov 1;254(5032):648.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948043" target="_blank"〉PubMed〈/a〉
    Keywords: Autopsy ; Brain/anatomy & histology/pathology/*physiology ; Female ; Humans ; Middle Aged ; Reference Values
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    IQ and heredity (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-04-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Apr 12;252(5003):191-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2011756" target="_blank"〉PubMed〈/a〉
    Keywords: Genetics ; Humans ; *Intelligence ; Twins, Monozygotic
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    Demonstration that CFTR is a chloride channel by alteration of its anion selectivity (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-07-12
    Description: Expression of the cystic fibrosis transmembrane conductance regulator (CFTR) generates adenosine 3',5'-monophosphate (cAMP)-regulated chloride channels, indicating that CFTR is either a chloride channel or a chloride channel regulator. To distinguish between these possibilities, basic amino acids in the putative transmembrane domains were mutated. The sequence of anion selectivity of cAMP-regulated channels in cells containing either endogenous or recombinant CFTR was bromide greater than chloride greater than iodide greater than fluoride. Mutation of the lysines at positions 95 or 335 to acidic amino acids converted the selectivity sequence to iodide greater than bromide greater than chloride greater than fluoride. These data indicate that CFTR is a cAMP-regulated chloride channel and that lysines 95 and 335 determine anion selectivity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, M P -- Gregory, R J -- Thompson, S -- Souza, D W -- Paul, S -- Mulligan, R C -- Smith, A E -- Welsh, M J -- New York, N.Y. -- Science. 1991 Jul 12;253(5016):202-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Department of Internal Medicine, University of Iowa College of Medicine, Iowa City 52242.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1712984" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Chloride Channels ; Chlorides/*physiology ; Cyclic AMP/physiology ; Cystic Fibrosis/physiopathology ; Cystic Fibrosis Transmembrane Conductance Regulator ; DNA Mutational Analysis ; Electric Conductivity ; HeLa Cells ; Humans ; In Vitro Techniques ; Ion Channels/genetics/*physiology ; Membrane Glycoproteins/genetics/physiology ; Membrane Potentials ; Membrane Proteins/genetics/*physiology ; Molecular Sequence Data ; Transfection
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    Biology and homosexuality (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Nov 1;254(5032):630.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948038" target="_blank"〉PubMed〈/a〉
    Keywords: Brain/*physiology ; Female ; *Homosexuality ; Humans ; Male ; Sexual Behavior/*physiology
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    Generation of cAMP-activated chloride currents by expression of CFTR (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-02-08
    Description: Mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) cause cystic fibrosis. In order to evaluate its function, CFTR was expressed in HeLa, Chinese hamster ovary (CHO), and NIH 3T3 fibroblast cells, and anion permeability was assessed with a fluorescence microscopic assay and the whole-cell patch-clamp technique. Adenosine 3',5'-monophosphate (cAMP) increased anion permeability and chloride currents in cells expressing CFTR, but not in cells expressing a mutant CFTR (delta F508) or in nontransfected cells. The simplest interpretation of these observations is that CFTR is itself a cAMP-activated chloride channel. The alternative interpretation, that CFTR directly or indirectly regulates chloride channels, requires that these cells have endogenous cryptic, chloride channels that are stimulated by cAMP only in the presence of CFTR.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, M P -- Rich, D P -- Gregory, R J -- Smith, A E -- Welsh, M J -- New York, N.Y. -- Science. 1991 Feb 8;251(4994):679-82.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Internal Medicine, University of Iowa College of Medicine, Iowa City 52242.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1704151" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Chloride Channels ; Chlorides/*metabolism ; Cricetinae ; Cyclic AMP/*physiology ; Cystic Fibrosis Transmembrane Conductance Regulator ; Humans ; Membrane Proteins/*metabolism/*physiology ; Mice ; Mutation ; Recombinant Proteins ; Structure-Activity Relationship
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    Control of alternative splicing by the differential binding of U1 small nuclear ribonucleoprotein particle (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-03-01
    Description: Cellular factors controlling alternative splicing of precursor messenger RNA are largely unknown, even though this process plays a central role in specifying the diversity of proteins in the eukaryotic cell. For the identification of such factors, a segment of the rat preprotachykinin gene was used in which differential expression of neuropeptides gamma and K is dependent on alternative splicing of the fourth exon (E4). Sequence variants of the three-exon segment, (E3-E4-E5) were created, resulting in a sensitive assay for factors mediating the splicing switch between E4-skipping and E4-inclusion. A dinucleotide mutation in the 5' splice site of E4 that increase base-pairing of this site to U1 small nuclear RNA resulted in uniform selection of E4, whereas a control mutation that destroyed base-pairing resulted in uniform E4-skipping. Affinity selection of spliceosomes formed on these functionally distinct substrates revealed that the extreme difference in splicing was mediated by differential binding of the U1 small nuclear ribonucleoprotein particle (snRNP) to the 5' splice site of E4. These data show that, apart from its established role in selecting 5' splice sites, U1 snRNP plays a fundamental role in 3' exon selection and provides insight into possible mechanisms of alternative splicing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kuo, H C -- Nasim, F H -- Grabowski, P J -- GM-39695/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1991 Mar 1;251(4997):1045-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Biochemistry, Brown University, Providence, RI 02912.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1825520" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; DNA Mutational Analysis ; Exons ; Hydrogen Bonding ; Macromolecular Substances ; Molecular Sequence Data ; Protein Precursors/*genetics ; *RNA Splicing ; RNA, Messenger/*metabolism ; RNA, Small Nuclear/*physiology ; Rats ; Ribonucleoproteins/chemistry/*physiology ; Ribonucleoproteins, Small Nuclear ; Structure-Activity Relationship ; Tachykinins/*genetics
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    Translational potentiation of messenger RNA with secondary structure in Xenopus (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-02-15
    Description: Differential translation of messenger RNA (mRNA) with stable secondary structure in the 5' untranslated leader may contribute to the dramatic changes in protein synthetic patterns that occur during oogenesis and early development. Plasmids that contained the bacterial gene chloramphenicol acetyltransferase and which encoded mRNA with (hpCAT) or without (CAT) a stable hairpin secondary structure in the 5' noncoding region were transcribed in vitro, and the resulting mRNAs were injected into Xenopus oocytes, eggs, and early embryos. During early oogenesis, hpCAT mRNA was translated at less than 3 percent of the efficiency of CAT mRNA. The relative translational potential of hpCAT reached 100 percent in the newly fertilized egg and returned to approximately 3 percent after the midblastula transition.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fu, L N -- Ye, R Q -- Browder, L W -- Johnston, R N -- New York, N.Y. -- Science. 1991 Feb 15;251(4995):807-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Sciences, University of Calgary, Alberta, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1990443" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Chloramphenicol O-Acetyltransferase/genetics ; Egg Proteins/biosynthesis/genetics ; Molecular Sequence Data ; Nucleic Acid Conformation ; Oogenesis/genetics ; Plasmids ; *Protein Biosynthesis ; RNA, Messenger/*genetics ; Xenopus laevis/embryology/*genetics
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    Identification of a mutation in porcine ryanodine receptor associated with malignant hyperthermia (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-07-26
    Description: Malignant hyperthermia (MH) causes neurological, liver, and kidney damage and death in humans and major economic losses in the swine industry. A single point mutation in the porcine gene for the skeletal muscle ryanodine receptor (ryr1) was found to be correlated with MH in five major breeds of lean, heavily muscled swine. Haplotyping suggests that the mutation in all five breeds has a common origin. Assuming that this is the causal mutation for MH, the development of a noninvasive diagnostic test will provide the basis for elimination of the MH gene or its controlled inclusion in swine breeding programs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fujii, J -- Otsu, K -- Zorzato, F -- de Leon, S -- Khanna, V K -- Weiler, J E -- O'Brien, P J -- MacLennan, D H -- New York, N.Y. -- Science. 1991 Jul 26;253(5018):448-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Banting and Best Department of Medical Research, University of Toronto, Ontario, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1862346" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Codon/genetics ; Haplotypes ; Malignant Hyperthermia/genetics/*veterinary ; Molecular Sequence Data ; *Mutation ; Polymerase Chain Reaction ; Polymorphism, Genetic ; Receptors, Cholinergic/*genetics ; Restriction Mapping ; Ryanodine/metabolism ; Ryanodine Receptor Calcium Release Channel ; Species Specificity ; Swine ; Swine Diseases/*genetics
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    Carcinogens and human health: Part 3 (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-02-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cogliano, V J -- Farland, W H -- Preuss, P W -- Wiltse, J A -- Rhomberg, L R -- Chen, C W -- Mass, M J -- Nosnow, S -- White, P D -- Parker, J C -- New York, N.Y. -- Science. 1991 Feb 8;251(4994):606-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1992511" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Assay ; *Carcinogens ; Humans ; Public Health ; Risk ; United States ; United States Environmental Protection Agency
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    Cloning of a factor required for activity of the Ah (dioxin) receptor (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-05-17
    Description: The aryl hydrocarbon (Ah) receptor binds various environmental pollutants, such as polycyclic aromatic hydrocarbons, heterocyclic amines, and polychlorinated aromatic compounds (dioxins, dibenzofurans, and biphenyls), and mediates the carcinogenic effects of these agents. The complementary DNA and part of the gene for an 87-kilodalton human protein that is necessary for Ah receptor function have been cloned. The protein is not the ligand-binding subunit of the receptor but is a factor that is required for the ligand-binding subunit to translocate from the cytosol to the nucleus after binding ligand. The requirement for this factor distinguishes the Ah receptor from the glucocorticoid receptor, to which the Ah receptor has been presumed to be similar. Two portions of the 87-kilodalton protein share sequence similarities with two Drosophila proteins, Per and Sim. Another segment of the protein shows conformity to the consensus sequence for the basic helix-loop-helix motif found in proteins that bind DNA as homodimers or heterodimers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffman, E C -- Reyes, H -- Chu, F F -- Sander, F -- Conley, L H -- Brooks, B A -- Hankinson, O -- CA 16048/CA/NCI NIH HHS/ -- CA 28868/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1991 May 17;252(5008):954-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of California, Los Angeles 90024.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1852076" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Aryl Hydrocarbon Receptor Nuclear Translocator ; Base Sequence ; Cell Line ; Cell Nucleus/metabolism ; Cloning, Molecular ; Cytosol/metabolism ; *DNA-Binding Proteins ; Humans ; Macromolecular Substances ; Molecular Sequence Data ; Molecular Weight ; Oligonucleotide Probes ; Proteins/*genetics/metabolism ; RNA, Messenger/genetics ; Receptors, Aryl Hydrocarbon ; Receptors, Drug/genetics/*metabolism ; Sequence Homology, Nucleic Acid ; Tetrachlorodibenzodioxin/*metabolism ; *Transcription Factors ; Transfection
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    A lot of "excitement' about neurodegeneration (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-06-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taylor, R -- New York, N.Y. -- Science. 1991 Jun 7;252(5011):1380-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1828617" target="_blank"〉PubMed〈/a〉
    Keywords: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine/pharmacology ; Aging/physiology ; Alzheimer Disease/physiopathology ; Animals ; Dizocilpine Maleate/pharmacology ; Haplorhini ; Humans ; Huntington Disease/physiopathology ; Nerve Degeneration/*drug effects ; Neurotoxins/pharmacology ; Parkinson Disease/physiopathology ; Quinolinic Acid ; Quinolinic Acids/pharmacology ; Receptors, Dopamine/drug effects
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    Hepatitis A vaccine shows promise (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-12-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffman, M -- New York, N.Y. -- Science. 1991 Dec 13;254(5038):1581-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1749931" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Double-Blind Method ; Hepatitis A/*prevention & control ; Humans ; Viral Vaccines/*immunology
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    Specific DNA binding by c-Myb: evidence for a double helix-turn-helix-related motif (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-09-06
    Description: The c-Myb protein is a sequence-specific DNA binding protein that activates transcription in hematopoietic cells. Three imperfect repeats (R1, R2, and R3) that contain regularly spaced tryptophan residues form the DNA binding domain of c-Myb. A fragment of c-Myb that contained the R2 and R3 regions bound specifically to a DNA sequence recognized by c-Myb plus ten additional base pairs at the 3' end of the element. The R2R3 fragment was predicted to contain two consecutive helix-turn-helix (HTH) motifs with unconventional turns. Mutagenesis of amino acids in R2R3 at positions that correspond to DNA-contacting amino acids in other HTH-containing proteins abolished specific DNA binding without affecting nonspecific DNA interactions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gabrielsen, O S -- Sentenac, A -- Fromageot, P -- New York, N.Y. -- Science. 1991 Sep 6;253(5024):1140-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire d'Ingenierie des Proteines, Centre d'Etudes de Saclay, Gif-sur-Yvette, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1887237" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Binding Sites ; Chickens ; DNA/*metabolism ; DNA-Binding Proteins/*metabolism ; Molecular Sequence Data ; Mutagenesis, Site-Directed ; Oligonucleotide Probes ; Oncogenes ; Polymerase Chain Reaction ; Protein Conformation ; Proto-Oncogene Proteins/genetics/*metabolism ; Proto-Oncogene Proteins c-myb ; Recombinant Proteins/metabolism ; Restriction Mapping ; Sequence Homology, Nucleic Acid ; Transcription Factors/*metabolism
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    FDA committee raises AIDS vaccine hurdles (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1991 Nov 22;254(5035):1105.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1683494" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*therapy ; CD4-Positive T-Lymphocytes ; Clinical Trials as Topic ; Humans ; Immunization, Passive ; Leukocyte Count ; United States ; United States Food and Drug Administration ; Viral Vaccines/*therapeutic use
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    A 32-kD GTP-binding protein associated with the CD4-p56lck and CD8-p56lck T cell receptor complexes (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-10-18
    Description: The guanosine triphosphate (GTP)-binding proteins include signal-transducing heterotrimeric G proteins (for example, Gs, Gi), smaller GTP-binding proteins that function in protein sorting, and the oncogenic protein p21ras. The T cell receptor complexes CD4-p56lck and CD8-p56lck were found to include a 32- to 33-kilodalton phosphoprotein (p32) that was recognized by an antiserum to a consensus GTP-binding region in G proteins. Immunoprecipitated CD4 and CD8 complexes bound GTP and hydrolyzed it to guanosine diphosphate (GDP). The p32 protein was covalently linked to [alpha-32P]GTP by ultraviolet photoaffinity labeling. These results demonstrate an interaction between T cell receptor complexes and an intracellular GTP-binding protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Telfer, J C -- Rudd, C E -- New York, N.Y. -- Science. 1991 Oct 18;254(5030):439-41.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Tumor Immunology, Dana-Farber Cancer Institute, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925604" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antigens, CD4/*metabolism ; Antigens, CD8/*metabolism ; Cell Line ; GTP-Binding Proteins/*metabolism ; Humans ; Lymphocyte Specific Protein Tyrosine Kinase p56(lck) ; Molecular Sequence Data ; Phosphoproteins/metabolism ; Precipitin Tests ; Protein Binding ; Protein-Tyrosine Kinases/*metabolism ; Receptors, Antigen, T-Cell/*metabolism
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    Fight erupts over DNA fingerprinting (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-12-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1991 Dec 20;254(5039):1721-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1763321" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; *Crime ; DNA/genetics ; *DNA Fingerprinting ; Genetic Variation ; Humans ; United States
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    Another sex survey bites the dust (1991)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1991-09-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moffat, A S -- New York, N.Y. -- Science. 1991 Sep 27;253(5027):1483.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1896855" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/prevention & control ; Adolescent ; Adult ; Female ; *Health Surveys ; Humans ; Male ; National Institutes of Health (U.S.) ; *Sexual Behavior ; Sexually Transmitted Diseases/prevention & control ; United States
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    Drug abuse policy (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-04-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Apr 5;252(5002):11-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2011745" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; *Substance-Related Disorders ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 86
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    Wave of the future (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-09-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tepley, N -- Barkley, G L -- New York, N.Y. -- Science. 1991 Sep 27;253(5027):1468.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1896852" target="_blank"〉PubMed〈/a〉
    Keywords: *Electroencephalography ; Humans ; *Magnetoencephalography ; Migraine Disorders/physiopathology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 87
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    MRC denies blocking access to genome data (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-12-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1991 Dec 13;254(5038):1583.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1749932" target="_blank"〉PubMed〈/a〉
    Keywords: DNA/genetics ; Databases, Factual ; Federal Government ; Great Britain ; *Human Genome Project ; Humans ; *Information Dissemination ; Internationality
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 88
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    A layer by layer look at the skin blister disease (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffman, M -- New York, N.Y. -- Science. 1991 Nov 22;254(5035):1111-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1720260" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Collagen/physiology ; Epidermis/*physiology ; Epidermolysis Bullosa/*physiopathology ; Humans ; Keratins/*physiology ; Mice ; Mice, Transgenic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 89
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    Scientific sleuths solve a murder mystery (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffman, M -- New York, N.Y. -- Science. 1991 Nov 15;254(5034):931.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948075" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Metabolism, Inborn Errors/*diagnosis ; Forensic Medicine ; History, 20th Century ; Humans ; Infant ; Jurisprudence ; Missouri
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 90
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    AIDS vaccine meeting: international trials soon (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1991 Nov 1;254(5032):647.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948042" target="_blank"〉PubMed〈/a〉
    Keywords: *AIDS Vaccines ; Acquired Immunodeficiency Syndrome/prevention & control ; Animals ; Clinical Trials as Topic ; Humans ; National Institutes of Health (U.S.) ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 91
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    Making sense of antisense (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-08-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moffat, A S -- New York, N.Y. -- Science. 1991 Aug 2;253(5019):510-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1857981" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosome Aberrations ; Chromosome Disorders ; DNA, Antisense/*genetics ; *Gene Expression Regulation ; Genetic Engineering ; *Genetic Therapy ; Humans ; Plants/*genetics ; RNA, Antisense/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 92
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    OSTP to wade into gene patent quagmire (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1991 Nov 22;254(5035):1104-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1957160" target="_blank"〉PubMed〈/a〉
    Keywords: Biotechnology ; *Dna ; *Human Genome Project ; Humans ; National Institutes of Health (U.S.) ; *Patents as Topic ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 93
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    HUGO takes on role as marriage broker (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1991 Nov 15;254(5034):932.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948076" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosome Mapping ; *Human Genome Project ; Humans
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 94
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    Seventh AIDS conference: mostly "fine tuning" (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-06-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1991 Jun 28;252(5014):1779.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2063190" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome/prevention & control/therapy ; Congresses as Topic ; Hiv ; Humans ; Viral Vaccines
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 95
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    Spliceosomes and snurposomes (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-06-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gall, J G -- New York, N.Y. -- Science. 1991 Jun 14;252(5012):1499-500.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Embryology, Carnegie Institution of Washington, Baltimore, MD 21210.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1828621" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Nucleolus/physiology/ultrastructure ; Humans ; Macromolecular Substances ; RNA Precursors/*genetics ; *RNA Splicing ; RNA, Small Nuclear/genetics/*physiology ; Ribonucleoproteins/*physiology ; Ribonucleoproteins, Small Nuclear
    Print ISSN: 0036-8075
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 96
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    Treating AIDS with worts (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Oct 25;254(5031):522.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948026" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*drug therapy ; Antiviral Agents/*therapeutic use ; Humans ; Perylene/*analogs & derivatives/therapeutic use ; Plants, Medicinal
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 97
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    Playing tag with membrane proteins (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffman, M -- New York, N.Y. -- Science. 1991 Nov 1;254(5032):650-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948044" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Humans ; Membrane Proteins/*metabolism ; Models, Biological ; Neoplasms/genetics ; Oncogenes ; Polyisoprenyl Phosphates/*metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 98
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    GRAIL seeks out genes buried in DNA sequence (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-11-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1991 Nov 8;254(5033):805.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948063" target="_blank"〉PubMed〈/a〉
    Keywords: *Artificial Intelligence ; Base Sequence ; DNA/*genetics ; *Genes ; *Genome, Human ; Humans ; Molecular Sequence Data ; Software
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 99
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    Triplex DNA finally comes of age (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-06-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moffat, A S -- New York, N.Y. -- Science. 1991 Jun 7;252(5011):1374-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2047850" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA/*chemistry ; DNA Replication ; Genes, myc ; Models, Molecular ; Molecular Sequence Data ; Transcription, Genetic/drug effects
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 100
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    Genetic survey gains momentum (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1991 Oct 25;254(5031):517.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948023" target="_blank"〉PubMed〈/a〉
    Keywords: *Anthropology ; Cell Line ; Continental Population Groups/*genetics ; DNA/blood/*genetics/isolation & purification ; *Human Genome Project ; Humans
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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