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  • United States  (183)
  • Base Sequence  (120)
  • American Association for the Advancement of Science (AAAS)  (301)
  • American Meteorological Society
  • 1995-1999
  • 1990-1994  (301)
  • 1991  (301)
Collection
Publisher
  • American Association for the Advancement of Science (AAAS)  (301)
  • American Meteorological Society
  • Springer  (2)
Years
  • 1995-1999
  • 1990-1994  (301)
Year
  • 1
    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
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  • 2
    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
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  • 3
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    American Association for the Advancement of Science (AAAS)
    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
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  • 4
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    American Association for the Advancement of Science (AAAS)
    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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  • 5
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    American Association for the Advancement of Science (AAAS)
    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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  • 6
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    American Association for the Advancement of Science (AAAS)
    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
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  • 7
    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
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  • 8
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    American Association for the Advancement of Science (AAAS)
    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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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-10-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1991 Oct 4;254(5028):23-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925554" target="_blank"〉PubMed〈/a〉
    Keywords: National Institutes of Health (U.S.)/*organization & administration ; United States
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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-09-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- 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/1896856" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; National Institutes of Health (U.S.)/*organization & administration ; Research Support as Topic ; United States
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  • 11
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    American Association for the Advancement of Science (AAAS)
    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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  • 12
    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
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  • 13
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    American Association for the Advancement of Science (AAAS)
    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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  • 14
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    American Association for the Advancement of Science (AAAS)
    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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  • 15
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    American Association for the Advancement of Science (AAAS)
    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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  • 16
    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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  • 17
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-06-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Palca, J -- New York, N.Y. -- Science. 1991 Jun 14;252(5012):1484.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2047854" target="_blank"〉PubMed〈/a〉
    Keywords: National Institute of Mental Health (U.S.)/*organization & administration ; National Institutes of Health (U.S.)/*organization & administration ; Politics ; United States
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  • 18
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    American Association for the Advancement of Science (AAAS)
    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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  • 19
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-08-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamilton, D P -- New York, N.Y. -- Science. 1991 Aug 16;253(5021):728-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1876829" target="_blank"〉PubMed〈/a〉
    Keywords: Hiv-1 ; History, 20th Century ; National Institutes of Health (U.S.) ; Patents as Topic ; *Scientific Misconduct ; United States
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  • 20
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-08-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamilton, D P -- New York, N.Y. -- Science. 1991 Aug 23;253(5022):847.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1876844" target="_blank"〉PubMed〈/a〉
    Keywords: Budgets ; Data Collection/*standards ; Delivery of Health Care/economics ; *Policy Making ; United States
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  • 21
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    American Association for the Advancement of Science (AAAS)
    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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  • 22
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-02-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abelson, P H -- New York, N.Y. -- Science. 1991 Feb 8;251(4994):605.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1992510" target="_blank"〉PubMed〈/a〉
    Keywords: Legislation as Topic ; *Research ; *Science ; United States
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  • 23
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    American Association for the Advancement of Science (AAAS)
    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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    American Association for the Advancement of Science (AAAS)
    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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  • 25
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-03-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamilton, D P -- New York, N.Y. -- Science. 1991 Mar 15;251(4999):1305.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2003215" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Research ; Federal Government ; Fraud ; Government Regulation ; National Institutes of Health (U.S.)/*organization & administration/standards ; United States
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  • 26
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    American Association for the Advancement of Science (AAAS)
    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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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 27
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-01-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamilton, D P -- New York, N.Y. -- Science. 1991 Jan 11;251(4990):152-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1846242" target="_blank"〉PubMed〈/a〉
    Keywords: *Biomedical Research ; Federal Government ; *Government Regulation ; Scientific Misconduct/*legislation & jurisprudence ; United States ; *United States Office of Research Integrity
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  • 28
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    American Association for the Advancement of Science (AAAS)
    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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  • 29
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    American Association for the Advancement of Science (AAAS)
    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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    American Association for the Advancement of Science (AAAS)
    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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  • 31
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-05-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 May 24;252(5009):1046.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2031175" target="_blank"〉PubMed〈/a〉
    Keywords: Costs and Cost Analysis ; National Institutes of Health (U.S.) ; *Research Support as Topic ; United States
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  • 33
    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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  • 34
    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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  • 35
    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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  • 36
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-09-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koshland, D E Jr -- New York, N.Y. -- Science. 1991 Aug 30;253(5023):949.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1887221" target="_blank"〉PubMed〈/a〉
    Keywords: *Legislation, Drug ; *Toxicology ; United States ; United States Environmental Protection Agency
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  • 38
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-06-10
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koshland, D E Jr -- New York, N.Y. -- Science. 1991 May 31;252(5010):1229.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925529" target="_blank"〉PubMed〈/a〉
    Keywords: National Institutes of Health (U.S.) ; Research Support as Topic/*trends ; *Science ; United States
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  • 39
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    American Association for the Advancement of Science (AAAS)
    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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    American Association for the Advancement of Science (AAAS)
    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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    American Association for the Advancement of Science (AAAS)
    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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  • 42
    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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  • 43
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    American Association for the Advancement of Science (AAAS)
    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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  • 44
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-04-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Apr 26;252(5005):490-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2020847" target="_blank"〉PubMed〈/a〉
    Keywords: Government Agencies ; National Institutes of Health (U.S.) ; *Research Support as Topic ; United States
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  • 45
    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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  • 46
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-06-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miller, H I -- Burris, R H -- Vidaver, A K -- New York, N.Y. -- Science. 1991 Jun 21;252(5013):1599-600.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2047865" target="_blank"〉PubMed〈/a〉
    Keywords: Biotechnology/*legislation & jurisprudence ; Containment of Biohazards/standards ; Government Agencies ; United States
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  • 47
    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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  • 48
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    American Association for the Advancement of Science (AAAS)
    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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  • 49
    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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  • 50
    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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  • 51
    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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  • 52
    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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  • 53
    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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  • 54
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    American Association for the Advancement of Science (AAAS)
    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):1103.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1957159" target="_blank"〉PubMed〈/a〉
    Keywords: Economics ; Government Agencies ; Legislation as Topic ; *National Academy of Sciences (U.S.) ; United States
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  • 55
    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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  • 56
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    American Association for the Advancement of Science (AAAS)
    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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  • 57
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    American Association for the Advancement of Science (AAAS)
    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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  • 58
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    American Association for the Advancement of Science (AAAS)
    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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  • 59
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    American Association for the Advancement of Science (AAAS)
    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
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  • 60
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    American Association for the Advancement of Science (AAAS)
    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
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  • 61
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    American Association for the Advancement of Science (AAAS)
    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
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  • 62
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    American Association for the Advancement of Science (AAAS)
    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
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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    American Association for the Advancement of Science (AAAS)
    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
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 64
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-03-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thoene, J G -- New York, N.Y. -- Science. 1991 Mar 8;251(4998):1158-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2006403" target="_blank"〉PubMed〈/a〉
    Keywords: Biomedical Research ; Federal Government ; *Government Regulation ; *Legislation, Drug ; *Orphan Drug Production ; United States ; United States Dept. of Health and Human Services ; United States Food and Drug Administration
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  • 65
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Oct 25;254(5031):507.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948019" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*diagnosis ; France ; HIV/classification/*isolation & purification ; History, 20th Century ; Humans ; *National Institutes of Health (U.S.) ; *Scientific Misconduct ; United States
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  • 66
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-02-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, J -- New York, N.Y. -- Science. 1991 Feb 1;251(4993):518-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1990426" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/*prevention & control ; Animals ; Humans ; *National Institutes of Health (U.S.) ; *Research ; United States ; *Viral Vaccines
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  • 67
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffman, M -- New York, N.Y. -- Science. 1991 Oct 11;254(5029):199.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925575" target="_blank"〉PubMed〈/a〉
    Keywords: *Abortion, Induced ; Female ; Humans ; Mifepristone/*therapeutic use ; Pregnancy ; United States
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  • 68
    Publication Date: 1991-02-01
    Description: Apolipoprotein AI (apoAI) is a lipid-binding protein that participates in the transport of cholesterol and other lipids in the plasma. A complementary DNA clone for a protein that bound to regulatory elements of the apoAI gene was isolated. This protein, designated apoAI regulatory protein-1 (ARP-1), is a novel member of the steroid hormone receptor superfamily. ARP-1 bound to DNA as a dimer, and its dimerization domain was localized to the COOH-terminal region. ARP-1 also bound to a thyroid hormone-responsive element and to regulatory regions of the apoB, apoCIII, insulin, and ovalbumin genes. In cotransfection experiments, ARP-1 downregulated the apoAI gene. The involvement of ARP-1 in the regulation of apoAI gene expression suggests that it may participate in lipid metabolism and cholesterol homeostasis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ladias, J A -- Karathanasis, S K -- New York, N.Y. -- Science. 1991 Feb 1;251(4993):561-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cardiology, Children's Hospital, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1899293" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Apolipoprotein A-I ; Apolipoproteins A/*genetics ; Base Sequence ; COUP Transcription Factor II ; COUP Transcription Factors ; Cloning, Molecular ; DNA/metabolism ; DNA-Binding Proteins/*metabolism ; Gene Expression Regulation ; Humans ; Lipoproteins, HDL/*genetics ; Molecular Sequence Data ; Oligonucleotide Probes ; Receptors, Steroid/*metabolism ; Regulatory Sequences, Nucleic Acid ; *Transcription Factors
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  • 69
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Oct 25;254(5031):500-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948018" target="_blank"〉PubMed〈/a〉
    Keywords: Child ; Humans ; Lead Poisoning/*prevention & control ; Paint/toxicity ; United States ; United States Environmental Protection Agency ; United States Public Health Service
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  • 70
    Publication Date: 1991-03-29
    Description: Human immunodeficiency virus type 1 (HIV-1) gene expression is activated by Tat, a virally encoded protein. Tat trans-activation requires viral (trans-activation--responsive; TAR) RNA sequences located in the R region of the long terminal repeat (LTR). Existing evidence suggests that Tat probably cooperates with cellular factors that bind to TAR RNA in the overall trans-activation process. A HeLa complementary DNA was isolated and characterized that encodes a TAR RNA-binding protein (TRBP). TRBP activated the HIV-1 LTR and was synergistic with Tat function.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gatignol, A -- Buckler-White, A -- Berkhout, B -- Jeang, K T -- New York, N.Y. -- Science. 1991 Mar 29;251(5001):1597-600.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Molecular Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2011739" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Binding Sites ; Carrier Proteins/*genetics ; Endoribonucleases/genetics ; Escherichia coli/enzymology ; *Escherichia coli Proteins ; Gene Products, tat/metabolism ; *HIV Long Terminal Repeat ; HIV-1/*genetics ; Humans ; Molecular Sequence Data ; Nucleic Acid Conformation ; Plasmids ; RNA, Viral/genetics ; *RNA-Binding Proteins ; Ribonuclease III ; Sequence Homology, Nucleic Acid ; tat Gene Products, Human Immunodeficiency Virus
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  • 71
    Publication Date: 1991-08-16
    Description: Analysis of the heteromeric DNA binding protein GABP has revealed the interaction of two distinct peptide sequence motifs normally associated with proteins located in different cellular compartments. The alpha subunit of GABP contains an 85-amino acid segment related to the Ets family of DNA binding proteins. The ETS domain of GABP alpha facilitates weak binding to DNA and, together with an adjacent segment of 37 amino acids, mediates stable interaction with GABP beta. The beta subunit of GABP contains four imperfect repeats of a sequence present in several transmembrane proteins including the product of the Notch gene of Drosophila melanogaster. These amino-terminal repeats of GABP beta mediate stable interaction with GABP alpha and, when complexed with GABP alpha, directly contact DNA. These observations provide evidence for a distinct biochemical role for the 33-amino acid repeats, and suggest that they may serve as a module for the generation of specific dimerization interfaces.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thompson, C C -- Brown, T A -- McKnight, S L -- New York, N.Y. -- Science. 1991 Aug 16;253(5021):762-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Research Laboratories, Carnegie Institution of Washington, Department of Embryology, Baltimore, MD 21210.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1876833" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites ; Cross-Linking Reagents ; DNA/metabolism ; DNA-Binding Proteins/*chemistry/metabolism ; GA-Binding Protein Transcription Factor ; Macromolecular Substances ; Molecular Sequence Data ; Molecular Weight ; Multigene Family ; Nuclear Proteins/*chemistry/metabolism ; Oligonucleotides/chemistry ; Proto-Oncogene Proteins/chemistry ; Proto-Oncogene Proteins c-ets ; Rats ; Recombinant Proteins ; Structure-Activity Relationship ; Transcription Factors/*chemistry/metabolism
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  • 72
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1991 Oct 11;254(5029):184-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925568" target="_blank"〉PubMed〈/a〉
    Keywords: DNA/genetics ; Federal Government ; *Genome, Human ; Human Genome Project ; Humans ; Internationality ; *National Institutes of Health (U.S.) ; *Patents as Topic ; United States
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  • 73
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-09-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coles, P -- New York, N.Y. -- Science. 1991 Sep 27;253(5027):1479.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1896853" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome ; France ; HIV/isolation & purification ; Humans ; National Institutes of Health (U.S.) ; *Publishing ; Scientific Misconduct ; United States
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  • 74
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-12-13
    Description: Cell-free translation of poliovirus RNA in an extract of uninfected human (HeLa) cells yielded viral proteins through proteolysis of the polyprotein. In the extract, newly synthesized proteins catalyzed poliovirus-specific RNA synthesis, and formed infectious poliovirus de novo. Newly formed virions were neutralized by type-specific antiserum, and infection of human cells with them was prevented by poliovirus receptor-specific antibodies. Poliovirus synthesis was increased nearly 70-fold when nucleoside triphosphates were added, but it was abolished in the presence of inhibitors of translation or viral genome replication. The ability to conduct cell-free synthesis of poliovirus will aid in the study of picornavirus proliferation and in the search for the control of picornaviral disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Molla, A -- Paul, A V -- Wimmer, E -- AI-15122/AI/NIAID NIH HHS/ -- CA-28146/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1991 Dec 13;254(5038):1647-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, School of Medicine, State University of New York, Stony Brook 11794.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1661029" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Cell-Free System ; HeLa Cells ; Humans ; In Vitro Techniques ; Molecular Sequence Data ; Molecular Weight ; Oligodeoxyribonucleotides/chemistry ; Poliovirus/*growth & development ; Polymerase Chain Reaction ; RNA, Viral/analysis/biosynthesis ; Time Factors ; Viral Proteins/biosynthesis/chemistry ; *Virus Replication
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  • 75
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-08-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hoffman, M -- New York, N.Y. -- Science. 1991 Aug 16;253(5021):742.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1831563" target="_blank"〉PubMed〈/a〉
    Keywords: Ankyrins ; Base Sequence ; Binding Sites ; Blood Proteins/*chemistry ; Membrane Proteins/*chemistry ; Molecular Sequence Data ; *Protein Binding ; Structure-Activity Relationship ; Transcription Factors/chemistry
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  • 76
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-11-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, A -- New York, N.Y. -- Science. 1991 Nov 29;254(5036):1287-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1962186" target="_blank"〉PubMed〈/a〉
    Keywords: Advisory Committees ; *Biomedical Research ; Federal Government ; *Government Regulation ; *National Institutes of Health (U.S.) ; Research/*standards ; *Scientific Misconduct ; United States ; United States Public Health Service
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  • 77
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-03-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Mar 29;251(5001):1552.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2011730" target="_blank"〉PubMed〈/a〉
    Keywords: *Ethics, Professional ; *National Institutes of Health (U.S.) ; Periodicals as Topic ; Publishing ; *Scientific Misconduct ; United States
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  • 78
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-03-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Mar 29;251(5001):1551.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2011729" target="_blank"〉PubMed〈/a〉
    Keywords: *National Institutes of Health (U.S.) ; *Scientific Misconduct ; United States
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  • 79
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-07-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1991 Jul 26;253(5018):376.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1862337" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosome Mapping ; Chromosomes, Human, Pair 19 ; *Human Genome Project ; Humans ; National Institutes of Health (U.S.) ; United States ; Universities
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  • 80
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-03-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Mar 29;251(5001):1551.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2011728" target="_blank"〉PubMed〈/a〉
    Keywords: Costs and Cost Analysis ; *Government Agencies ; *Research Support as Topic ; United States
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  • 81
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-06-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Langreth, R -- New York, N.Y. -- Science. 1991 Jun 28;252(5014):1780.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1676541" target="_blank"〉PubMed〈/a〉
    Keywords: Alkaloids/*isolation & purification/therapeutic use ; Antineoplastic Agents, Phytogenic/*isolation & purification ; Environment ; Female ; Humans ; National Institutes of Health (U.S.) ; Neoplasms/*drug therapy ; Oregon ; Ovarian Neoplasms/drug therapy ; Paclitaxel ; Trees ; United States
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-11-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, A -- New York, N.Y. -- Science. 1991 Nov 15;254(5034):933.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948077" target="_blank"〉PubMed〈/a〉
    Keywords: Foundations ; National Institutes of Health (U.S.) ; *Research Support as Topic ; United States
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  • 83
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-10-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, A -- New York, N.Y. -- Science. 1991 Oct 18;254(5030):369-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925590" target="_blank"〉PubMed〈/a〉
    Keywords: Biotechnology/*trends ; United States ; United States Food and Drug Administration/*organization & administration
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  • 84
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-10-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, A -- New York, N.Y. -- Science. 1991 Oct 11;254(5029):186.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925569" target="_blank"〉PubMed〈/a〉
    Keywords: History, 20th Century ; United States ; Universities
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  • 85
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-05-31
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1991 May 31;252(5010):1255-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1925537" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; *Dna ; Databases, Factual/*standards ; Humans ; National Library of Medicine (U.S.) ; Software ; United States
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  • 86
    Publication Date: 1991-09-20
    Description: A human intestinal intraepithelial lymphocyte (IEL) T cell line was established from jejunum to characterize the structure and function of the alpha beta T cell antigen receptors (TCRs) expressed by this population. Single-sided polymerase chain reaction (PCR) amplification cloning and quantitative PCR amplification of the TCR chains from the cell line and from fresh IELs demonstrated that IELs were oligoclonal. The IEL T cell line exhibited CD1-specific cytotoxicity and a dominant IEL T cell clone was CD1c-specific. Thus, human jejunal intraepithelial lymphocytes are oligoclonal and recognize members of the CD1 gene family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Balk, S P -- Ebert, E C -- Blumenthal, R L -- McDermott, F V -- Wucherpfennig, K W -- Landau, S B -- Blumberg, R S -- 5 KO8 DK01886/DK/NIDDK NIH HHS/ -- CA-01310/CA/NCI NIH HHS/ -- DK42166/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 1991 Sep 20;253(5026):1411-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Hematology-Oncology Division, Beth Israel Hospital, Harvard Medical School, Boston, MA 02215.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1716785" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antigens, CD/*genetics/immunology ; Antigens, CD1 ; Base Sequence ; Cell Line ; Clone Cells ; Epithelium/physiology ; Humans ; Jejunum/immunology ; Molecular Sequence Data ; Oligonucleotide Probes ; Polymerase Chain Reaction/methods ; Receptors, Antigen, T-Cell/*genetics ; T-Lymphocytes/*immunology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 87
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-05-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1991 May 17;252(5008):911.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2035022" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Carcinogenicity Tests ; *Carcinogens ; Dioxins/*toxicity ; Humans ; National Institute for Occupational Safety and Health (U.S.) ; Neoplasms, Experimental/chemically induced ; Rats ; Risk Factors ; United States ; *United States Environmental Protection Agency
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 88
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-04-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1991 Apr 26;252(5005):500-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2020850" target="_blank"〉PubMed〈/a〉
    Keywords: California ; Human Genome Project/*organization & administration ; Humans ; National Institutes of Health (U.S.) ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 89
    Publication Date: 1991-02-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉LaRosa, G J -- Davide, J P -- Weinhold, K -- Waterbury, J A -- Profy, A T -- Lewis, J A -- Langlois, A J -- Dreesman, G R -- Boswell, R N -- Shadduck, P -- New York, N.Y. -- Science. 1991 Feb 15;251(4995):811.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1990444" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; HIV-1/*genetics ; Molecular Sequence Data
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 90
    Publication Date: 1991-05-10
    Description: The Drosophila homeobox segmentation gene fushi tarazu (ftz) is expressed in a seven-stripe pattern during early embryogenesis. This characteristic pattern is largely specified by the zebra element located immediately upstream of the ftz transcriptional start site. The FTZ-F1 protein, one of multiple DNA binding factors that interacts with the zebra element, is implicated in the activation of ftz transcription, especially in stripes 1, 2, 3, and 6. An FTZ-F1 complementary DNA has been cloned by recognition site screening of a Drosophila expression library. The identity of the FTZ-F1 complementary DNA clone was confirmed by immunological cross-reaction with antibodies to FTZ-F1 and by sequence analysis of peptides from purified FTZ-F1 protein. The predicted amino acid sequence of FTZ-F1 revealed that the protein is a member of the nuclear hormone receptor superfamily. This finding raises the possibility that a hormonal ligand affects the expression of a homeobox segmentation gene early in embryonic development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lavorgna, G -- Ueda, H -- Clos, J -- Wu, C -- New York, N.Y. -- Science. 1991 May 10;252(5007):848-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Biochemistry, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1709303" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Blotting, Northern ; Blotting, Southern ; Blotting, Western ; Chromosome Mapping ; Cloning, Molecular ; Drosophila Proteins ; Drosophila melanogaster ; Fushi Tarazu Transcription Factors ; Gene Expression Regulation ; Genes, Homeobox ; *Homeodomain Proteins ; Insect Hormones/*chemistry ; Molecular Sequence Data ; Open Reading Frames ; RNA/analysis ; Receptors, Steroid/genetics ; Sequence Homology, Nucleic Acid ; Transcription, Genetic ; Zinc Fingers
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 91
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-04-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, L -- New York, N.Y. -- Science. 1991 Apr 26;252(5005):498-501.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2020849" target="_blank"〉PubMed〈/a〉
    Keywords: Government Agencies ; Human Genome Project/*organization & administration ; Humans ; National Institutes of Health (U.S.) ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 92
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-08-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibbons, A -- New York, N.Y. -- Science. 1991 Aug 2;253(5019):503-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1857976" target="_blank"〉PubMed〈/a〉
    Keywords: Biotechnology/*economics ; Interleukin-2/*genetics/therapeutic use ; Recombinant Proteins/therapeutic use ; United States ; United States Food and Drug Administration
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 93
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-11-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1991 Nov 1;254(5032):643.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948040" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Brain/physiology ; *Government Agencies ; Humans ; *Neurosciences ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 94
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-10-25
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1991 Oct 25;254(5031):514.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1948022" target="_blank"〉PubMed〈/a〉
    Keywords: *Abortion, Legal ; *Ethics, Professional ; Female ; Humans ; Louisiana ; *Neurology ; Pregnancy ; *Societies, Scientific ; United States
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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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-09-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉New York, N.Y. -- Science. 1991 Sep 27;253(5027):1484.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1896857" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome ; *Congresses as Topic ; Humans ; Netherlands ; United States
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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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-03-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Crawford, M -- New York, N.Y. -- Science. 1991 Mar 1;251(4997):1016.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1998113" target="_blank"〉PubMed〈/a〉
    Keywords: Government Agencies ; Industry ; *Particle Accelerators ; *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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  • 97
    Publication Date: 1991-06-28
    Description: The beta-tropomyosin gene in chicken contains two mutually exclusive exons (exons 6A and 6B) which are used by the splicing apparatus in myogenic cells, respectively, before (myoblast stage) and after (myotube stage) differentiation. The myoblast splicing pattern is shown to depend on multiple sequence elements that are located in the upstream intron and in the exon 6B and that exert a negative control over exon 6B splicing. This regulation of splicing is due, at least in part, to a secondary structure of the primary transcript, which limits in vivo the accessibility of exon 6B in myoblasts.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Libri, D -- Piseri, A -- Fiszman, M Y -- New York, N.Y. -- Science. 1991 Jun 28;252(5014):1842-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut Pasteur, Paris, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2063196" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Chickens ; Exons ; Introns ; Models, Molecular ; Molecular Sequence Data ; Muscles/physiology ; Mutagenesis, Site-Directed ; Nucleic Acid Conformation ; RNA Precursors/*genetics ; *RNA Splicing ; RNA, Messenger/*genetics ; Transcription, Genetic ; Tropomyosin/*genetics
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 98
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-09-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1991 Sep 13;253(5025):1200-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1891710" target="_blank"〉PubMed〈/a〉
    Keywords: *Foundations ; Humans ; *Research Support as Topic ; 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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  • 99
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-08-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rubinstein, E -- New York, N.Y. -- Science. 1991 Aug 16;253(5021):732.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1876831" target="_blank"〉PubMed〈/a〉
    Keywords: Hiv-1 ; History, 20th Century ; 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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  • 100
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1991-03-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Barinaga, M -- New York, N.Y. -- Science. 1991 Mar 8;251(4998):1174.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2006407" target="_blank"〉PubMed〈/a〉
    Keywords: *Biotechnology ; Drug Industry ; *Patents as Topic ; *Polymerase Chain Reaction ; United States
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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