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  • Base Sequence  (23)
  • Structure-Activity Relationship  (17)
  • American Association for the Advancement of Science (AAAS)  (38)
  • Annual Reviews
  • Nature Publishing Group
  • 1980-1984  (38)
  • 1935-1939
  • 1982  (38)
  • 1939
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (38)
  • Annual Reviews
  • Nature Publishing Group
Years
  • 1980-1984  (38)
  • 1935-1939
Year
  • 1
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    Micromolar affinity benzodiazepine receptors: identification and characterization in central nervous system (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-06-11
    Description: Receptors that selectively bind micromolar concentrations of benzodiazepines are present in rat brain membrane. These micromolar receptors exhibit saturable, stereospecific binding, and the potency of benzodiazepine binding to these receptors is correlated with the ability of the benzodiazepines to inhibit maximum electric shock-induced convulsions. Benzodiazepine receptors with nanomolar affinity differ from the micromolar receptors in their binding, kinetic, and pharmacologic characteristics. The micromolar receptors also bind phenytoin, a non-benzodiazepine anticonvulsant. These results provide evidence for a distinct class of clinically relevant benzodiazepine receptors that may regulate neuronal excitability and anticonvulsant activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bowling, A C -- DeLorenzo, R J -- NS 1352/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1982 Jun 11;216(4551):1247-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6281893" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Benzodiazepines/*metabolism/pharmacology ; Benzodiazepinones/metabolism ; Brain/*metabolism ; Calmodulin/antagonists & inhibitors ; Diazepam/metabolism ; Kinetics ; Ligands ; Protein Kinase Inhibitors ; Rats ; Receptors, Drug/*metabolism ; Receptors, GABA-A ; Structure-Activity Relationship
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    Artificial enzymes (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-11-05
    Description: Simple chemical catalysts have been designed to achieve some desirable features of enzymes. These novel catalysts are not proteins, but they may incorporate the typical enzyme catalytic groups and they achieve selectivity in their reactions by use of geometric control, as do enzymes. Catalysts that carry out geometrically controlled chlorinations of aromatic rings and steroids have been constructed. Other catalysts achieve the selective synthesis of amino acids, and still others imitate ribonuclease in detailed mechanism and hydrolyze RNA. Optimization of geometries has led to a rate acceleration of over 10(8) in one instance.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Breslow, R -- New York, N.Y. -- Science. 1982 Nov 5;218(4572):532-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7123255" target="_blank"〉PubMed〈/a〉
    Keywords: Catalysis ; Cyclodextrins ; *Enzymes ; Kinetics ; Models, Chemical ; Ribonucleases ; Structure-Activity Relationship ; Substrate Specificity ; Transaminases
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  • 3
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    Stereoisomers of N-allylnormetazocine: phencyclidine-like behavioral effects in squirrel monkeys and rats (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-01-08
    Description: (+/-)-N-Allylnormetazocine is a benzomorphan opioid with psychotomimetic effects. The pure stereoisomers of this compound, as well as the racemic mixture, were compared to phencyclidine for their behavioral effects on squirrel monkeys and rats trained to discriminate phencyclidine from saline. Dose-response determinations were made for responses to phencyclidine, to a racemic mixture of N-allylnormetazocine, and to the pure levo and dextro isomers of N-allylnormetazocine. In both rats and monkeys, the dextro isomer and the racemic mixture produced dose-dependent responses appropriate for phencyclidine; the levo isomer did not produce the responses appropriate for phencyclidine at any of the doses tested. In both species, the levo isomer was more potent than the dextro isomer in decreasing the rate of responding. Thus racemic N-allylnormetazocine is a mixture of compounds that produce different behavioral effects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Brady, K T -- Balster, R L -- May, E L -- DA-00490/DA/NIDA NIH HHS/ -- DA-01442/DA/NIDA NIH HHS/ -- New York, N.Y. -- Science. 1982 Jan 8;215(4529):178-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6274022" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/*drug effects ; Male ; Naloxone/pharmacology ; Phenazocine/*analogs & derivatives/pharmacology ; Phencyclidine/pharmacology ; Rats ; Rats, Inbred Strains ; Receptors, Opioid/drug effects ; Saimiri ; Stereoisomerism ; Structure-Activity Relationship
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  • 4
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    Alpha-substituted gamma-butyrolactones: new class of anticonvulsant drugs (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-09-10
    Description: Alkyl-Substituted gamma-butyrolactones were synthesized and tested for their convulsant and anticonvulsant actions in mice and guinea pigs. The alpha-substituted compounds, alpha, alpha-dimethyl-, and alpha-ethyl-alpha-methyl-gamma-butyrolactone were anticonvulsant compounds with a spectrum of activity similar to that of ethosuximide. In contrast, beta-substituted compounds were convulsant agents similar to picrotoxinin. The alpha-substituted-gama-butyrolactones represent a new class of anticonvulsant drug with experimental and clinical potential.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Klunk, W E -- McKeon, A -- Covey, D F -- Ferrendelli, J A -- GM-07200/GM/NIGMS NIH HHS/ -- GM-24483/GM/NIGMS NIH HHS/ -- NS-14834/NS/NINDS NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1982 Sep 10;217(4564):1040-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6810462" target="_blank"〉PubMed〈/a〉
    Keywords: *4-Butyrolactone/analogs & derivatives/*therapeutic use/toxicity ; Animals ; *Anticonvulsants ; Chemical Phenomena ; Chemistry ; Convulsants ; Drug Evaluation, Preclinical ; Electroencephalography ; Epilepsy, Absence/drug therapy ; Ethosuximide/pharmacology ; *Furans/*therapeutic use ; Guinea Pigs ; Mice ; Structure-Activity Relationship ; Trimethadione/pharmacology
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  • 5
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    alpha A-crystallin messenger RNA of the mouse lens: more noncoding than coding sequences (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-02-19
    Description: The 14S messenger RNA (1300 to 1500 nucleotides) for the alpha A chain of alpha-crystallin of the mammalian lens is nearly three times larger than required to code for the polypeptide that contains 173 amino acids. As a means of accounting for this anomaly, a complementary DNA clone for the mouse alpha A-crystallin messenger RNA was constructed in pBR322 and sequenced. Derivation of the protein sequence from the nucleic acid sequence showed that mouse alpha A-crystallin is similar to that of other organisms. The messenger RNA contains 536 nucleotides located on the 3' side of the coding region, excluding the polyadenylate stretch. This 3' sequence does not encode any other crystallin and has multiple termination codons in the three possible reading frames.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉King, C R -- Shinohara, T -- Piatigorsky, J -- New York, N.Y. -- Science. 1982 Feb 19;215(4535):985-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7156978" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cloning, Molecular ; Crystallins/*genetics ; Mice ; RNA, Messenger/*genetics
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  • 6
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    Purinergic regulation of food intake (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-07-02
    Description: Inosine peripherally administered to rats markedly suppressed spontaneous food intake and food intake induced by diazepam, muscimol, insulin, and food deprivation. The purines 2-deoxyguanosine and 2-deoxyinosine also suppressed food deprivation-induced feeding, whereas 7-methylinosine, which does not bind to the benzodiazepine binding site in vitro, had no effect on food intake when compared with controls. These results suggest that purines may represent endogenous substances that regulate food intake through interactions with the benzodiazepine receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Levine, A S -- Morley, J E -- New York, N.Y. -- Science. 1982 Jul 2;217(4554):77-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7046046" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Appetite/*drug effects ; Deoxyguanosine/pharmacology ; Diazepam/pharmacology ; Eating/*drug effects ; Food Deprivation ; Inosine/analogs & derivatives/pharmacology ; Insulin/pharmacology ; Male ; Muscimol/pharmacology ; Purines/*pharmacology ; Rats ; Rats, Inbred Strains ; Structure-Activity Relationship
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  • 7
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    Long-awaited decision on DNA database (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-08-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewin, R -- New York, N.Y. -- Science. 1982 Aug 27;217(4562):817-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7100925" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; *DNA/*analysis ; *Information Systems
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  • 8
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    Repeated DNA still in search of a function (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-08-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewin, R -- New York, N.Y. -- Science. 1982 Aug 13;217(4560):621-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6283639" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; DNA/*genetics ; DNA Transposable Elements ; DNA, Satellite/genetics ; *Repetitive Sequences, Nucleic Acid ; Species Specificity
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  • 9
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    Spectral character of sunlight modulates photosynthesis of previtamin D3 and its photoisomers in human skin (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-05-28
    Description: The photosynthesis of previtamin D3 from 7-dehydrocholesterol in human skin was determined after exposure to narrow-band radiation or simulated solar radiation. The optimum wavelengths for the production of previtamin D3 were determined to be between 295 and 300 nanometers. When human skin was exposed to 295-nanometer radiation, up to 65 percent of the original 7-dehydrocholesterol content was converted to previtamin D3. In comparison, when adjacent skin was exposed to simulated solar radiation, the maximum formation of previtamin D3 was about 20 percent. Major differences in the formation of lumisterol3, and tachysterol3 from previtamin D3 were also observed. It is concluded that the spectral character of natural sunlight has a profound effect on the photochemistry of 7-dehydrocholesterol in human skin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉MacLaughlin, J A -- Anderson, R R -- Holick, M F -- AM 27334/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1982 May 28;216(4549):1001-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6281884" target="_blank"〉PubMed〈/a〉
    Keywords: Cholecalciferol/*biosynthesis/metabolism ; Dehydrocholesterols/radiation effects ; Ergosterol/metabolism ; Humans ; In Vitro Techniques ; Isomerism ; Photochemistry ; Skin/*metabolism ; Spectrum Analysis ; Structure-Activity Relationship ; Ultraviolet Rays
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  • 10
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    Nucleotide sequence of the transforming gene of avian myeloblastosis virus (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-06-25
    Description: Avian myeloblastosis virus is defective in reproductive capacity, requiring a helper virus to provide the viral proteins essential for synthesis of new infectious virus. This virus arose by recombination of the nondefective helper virus and host cellular sequences present within the normal avian genome. These latter sequences are essential for leukemogenic activity. The complete nucleotide sequence of this region is reported. Within the acquired cellular sequences there is an open reading frame of 795 nucleotides starting with the initiation codon ATG (adenine, thymine, guanine) and terminating with the triplet TAG. This open reading frame could code for the putative transforming protein of 265 amino acids with a molecular weight of approximately 30,000.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rushlow, K E -- Lautenberger, J A -- Papas, T S -- Baluda, M A -- Perbal, B -- Chirikjian, J G -- Reddy, E P -- New York, N.Y. -- Science. 1982 Jun 25;216(4553):1421-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6283631" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Avian Leukosis Virus/*genetics ; Avian Myeloblastosis Virus/*genetics ; Avian Sarcoma Viruses/genetics ; Base Sequence ; Cell Transformation, Viral ; Chickens/genetics ; DNA Restriction Enzymes ; Gene Expression Regulation ; *Genes, Viral ; RNA, Viral/analysis ; Viral Proteins/biosynthesis
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  • 11
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    Oxytocin induces maternal behavior in virgin female rats (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-05-07
    Description: Intracerebroventricular administration of oxytocin to virgin female rats that had been ovariectomized and primed with estrogen 48 hours previously induced a rapid onset of full maternal behavior. The maternal behavior persisted and its incidence was dose-related. Tocinoic acid, the ring structure of oxytocin, also rapidly induced the onset of persistent, full maternal behavior. Arginine vasopressin induced persistent maternal behavior, but this behavior had a later onset. Prostaglandin F2 alpha induced strong partial maternal behavior, which showed early onset but did not persist. Many other peptides, ovarian steroids, and prostaglandin E2 were no more effective than saline. These findings suggest that the release of oxytocin and prostaglandin F2 alpha during labor may promote maternal behavior in rats.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pedersen, C A -- Ascher, J A -- Monroe, Y L -- Prange, A J Jr -- MH-22536/MH/NIMH NIH HHS/ -- MH-32316/MH/NIMH NIH HHS/ -- MH-34933/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1982 May 7;216(4546):648-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7071605" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arginine Vasopressin/pharmacology ; Brain/physiology ; Female ; Injections, Intraventricular ; *Maternal Behavior ; Oxytocin/administration & dosage/*pharmacology ; Rats ; Structure-Activity Relationship
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  • 12
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    In vivo identification of the transforming gene product of simian sarcoma virus (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-12-10
    Description: Simian sarcoma virus (SSV) deletion mutants were constructed from a molecular clone containing the entire infectious provirus. Transfection analysis of these mutants localized the SSV transforming gene to a small region of the viral genome encompassing its cell-derived sequence (v-sis). Antiserum to a peptide synthesized on the basis of the predicted amino acid sequence of the SSV transforming gene detected a 28,000-dalton protein that was specifically expressed in SSV transformed cells and that corresponded in size to that predicted from the v-sis coding sequence. The v-sis gene product designated p28sis was not a phosphoprotein, nor did it possess detectable protein kinase activity. These findings distinguish p28sis from a number of other retroviral onc proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Robbins, K C -- Devare, S G -- Reddy, E P -- Aaronson, S A -- New York, N.Y. -- Science. 1982 Dec 10;218(4577):1131-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6293053" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Viral ; Base Sequence ; *Cell Transformation, Viral ; *Genes, Viral ; Mice ; Molecular Weight ; *Oncogenes ; Phosphoproteins/genetics ; Protein Kinases/genetics ; Retroviridae/*genetics ; Sarcoma Virus, Woolly Monkey/*genetics ; Viral Proteins/*genetics/immunology
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  • 13
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    The Alu family of dispersed repetitive sequences (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-06-04
    Description: A family of related sequences that includes approximately 500,000 members is the most prominent short dispersed repeat family in primate and rodent DNA's. The primate sequence is approximately 300 base pairs in length and is composed of two imperfectly repeated monomer units, whereas the rodent repeat consists of only a single monomer. Properties of this repeat sequence, its flanking sequences in chromosomal DNA, and RNA's transcribed from it suggest that it may be a mobile DNA element inserted at hundreds of thousands of different chromosomal locations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schmid, C W -- Jelinek, W R -- New York, N.Y. -- Science. 1982 Jun 4;216(4550):1065-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6281889" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Biological Evolution ; DNA/*genetics ; *DNA Transposable Elements ; Genetic Linkage ; Muridae/genetics ; Primates/genetics ; RNA Polymerase III/metabolism ; RNA, Heterogeneous Nuclear/genetics ; *Repetitive Sequences, Nucleic Acid ; Transcription, Genetic
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  • 14
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    Translational efficiency of transfer RNA's: uses of an extended anticodon (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-11-12
    Description: Transfer RNA's are probably very strongly selected for translational efficiency. In this article, the argument is presented that the coding performance of the triplet anticodon is enhanced by selection of a matching anticodon loop and stem sequence. the anticodon plus these nearby sequence features (the extended anticodon) therefore contains more coding information than the anticodon alone and can perform more efficiently and accurately at the ribosome. This idea successfully accounts for the relative efficiencies of many transfer RNA's.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yarus, M -- New York, N.Y. -- Science. 1982 Nov 12;218(4573):646-52.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6753149" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Escherichia coli/genetics ; Kinetics ; Nucleic Acid Conformation ; *Protein Biosynthesis ; RNA, Transfer/*genetics ; Ribosomes/metabolism ; Structure-Activity Relationship ; Suppression, Genetic
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  • 15
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    Fragment spanning the SV40 replication origin is the only DNA sequence required in cis for viral excision (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-12-17
    Description: A 311-base pair fragment containing the SV40 origin of replication was linked to the chicken thymidine kinase gene on a recombinant plasmid. This molecule was transfected into human 143 thymidine kinase-deficient (TK-) cells, and colonies positive for thymidine kinase were selected. When cell lines derived from these colonies were fused to permissive simian cells that produce SV40 T antigen, the recombinant plasmid excised itself from the human cellular genome and replicated with a high copy number per cell. These results show that this segment of the viral genome is the only sequence required in cis to mediate SV40 excision and replication upon fusion to permissive cells. In addition, we have shown that excised plasmids apparently identical to the input DNA can be efficiently rescued in Escherichia coli. SV40 excision and replication may therefore be useful for the recovery of cloned genes from eukaryotic cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Conrad, S E -- Liu, C P -- Botchan, M R -- CA 30490/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1982 Dec 17;218(4578):1223-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6293055" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cells, Cultured ; Chickens ; *DNA Replication ; DNA, Viral/*genetics ; Gene Expression Regulation ; Genes, Viral ; Humans ; Recombination, Genetic ; Simian virus 40/*genetics ; *Virus Replication
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  • 16
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    Cellular transforming genes (1982)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1982-08-27
    Description: Cellular genes potentially capable of inducing oncogenic transformation have been identified by homology to the transforming genes of retroviruses and by the biological activity of cellular DNA's in transfection assays. DNA's of various tumors induce transformation with high efficiencies, indicating that oncogenesis can involve dominant genetic alterations resulting in activation of cellular transforming genes. The identification and characterization of cellular transforming genes and their possible involvement in naturally occurring cancers, is discussed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cooper, G M -- New York, N.Y. -- Science. 1982 Aug 27;217(4562):801-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6285471" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Cell Transformation, Neoplastic ; Cells, Cultured ; Chick Embryo ; DNA/genetics ; DNA Restriction Enzymes ; DNA, Viral/genetics ; Gene Expression Regulation ; *Genes ; Genes, Viral ; Humans ; Mice ; Neoplasms/*genetics ; Oncogene Protein pp60(v-src) ; Rats ; Retroviridae/*genetics ; Transfection ; Viral Proteins/genetics
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  • 17
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    Molecular biology of the sea urchin embryo (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-07-02
    Description: Research on the early development of the sea urchin offers new insights into the process of embryogenesis. Maternal messenger RNA stored in the unfertilized egg supports most of the protein synthesis in the early embryo, but the structure of maternal transcripts suggests that additional functions are also possible. The overall developmental patterns of transcription and protein synthesis are known, and current measurements describe the expression of specific genes, including the histone genes, the ribosomal genes, and the actin genes. Possible mechanisms of developmental commitment are explored for regions of the early embryo that give rise to specified cell lineages, such as the micromere-mesenchyme cell lineage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Davidson, E H -- Hough-Evans, B R -- Britten, R J -- GM20927/GM/NIGMS NIH HHS/ -- HD05753/HD/NICHD NIH HHS/ -- RR00986/RR/NCRR NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1982 Jul 2;217(4554):17-26.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6178156" target="_blank"〉PubMed〈/a〉
    Keywords: Actins/genetics ; Animals ; Base Sequence ; Blastocyst/physiology ; Embryo, Nonmammalian/*physiology ; Female ; Fertilization ; Gastrula/physiology ; Histones/genetics ; Kinetics ; Larva/physiology ; Polyribosomes/metabolism ; RNA/genetics ; RNA, Messenger/genetics ; Ribosomal Proteins/genetics ; Sea Urchins/*physiology ; Transcription, Genetic
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  • 18
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    Nucleotide sequence of the p21 transforming protein of Harvey murine sarcoma virus (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-09-03
    Description: Harvey murine sarcoma virus is a retrovirus which transforms cells by means of a single virally encoded protein called p21 has. We have determined the nucleotide sequence of 1.0 kilobase in the 5' half of the viral genome which encompasses the has coding sequences and its associated regulatory signals. The nucleotide sequence has identified the amino acid sequence of two additional overlapping polypeptides which share their reading frames and the carboxyl termini with p21 but which contain additional NH2-terminal amino acids.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dhar, R -- Ellis, R W -- Shih, T Y -- Oroszlan, S -- Shapiro, B -- Maizel, J -- Lowy, D -- Scolnick, E -- New York, N.Y. -- Science. 1982 Sep 3;217(4563):934-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6287572" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cell Transformation, Viral ; Cells, Cultured ; Defective Viruses/*genetics ; Genes, Viral ; Oncogene Protein p21(ras) ; Peptide Fragments ; Protein Biosynthesis ; Protein Conformation ; RNA, Viral/genetics ; Sarcoma Viruses, Murine/*genetics ; Viral Proteins/analysis/*genetics
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  • 19
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    Odor quality: semantically generated multidimensional profiles are stable (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-11-19
    Description: Odors of ten compounds were characterized by approximately 150 subjects who used a list of 146 descriptors. Duplicate profiles correlated highly (P less than .001) and consistently higher than profiles of different odors. Profiles also agreed with those obtained previously. Thus, profiles based on combined responses of many subjects are stable constructs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dravnieks, A -- New York, N.Y. -- Science. 1982 Nov 19;218(4574):799-801.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7134974" target="_blank"〉PubMed〈/a〉
    Keywords: *Alcohols ; Anisoles ; Hexanols ; Humans ; *Odors ; Pyridines ; *Smell ; Structure-Activity Relationship
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  • 20
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    Events in the evolution of pre-proinsulin (1982)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1982-08-20
    Description: An extensive computer-assisted analysis of known pre-proinsulin coding sequences has shown correlations that can be interpreted as evidence for an intron-mediated juxtaposition of exons in the evolution of these genes. The evidence includes the discovery that the regions of the pre-proinsulin genes that code for the signal peptide consist of nearly tandem repeating units of nine base pairs. This pattern reappears in the C region of the genes after a large intron that occurs in three of the four genes analyzed. A model is proposed in which primordial insulin was coded for by two separate minigenes arising from a gene duplication, each with identical or nearly identical signal peptide coding regions. The minigenes fused into one transcriptional unit mediated by the large intron, and the signal peptide coding region of one of the putative minigenes evolved into the latter portion of the C peptide coding region.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Douthart, R J -- Norris, F H -- New York, N.Y. -- Science. 1982 Aug 20;217(4561):729-32.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7100918" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; *Biological Evolution ; Computers ; Cricetinae ; Disulfides ; Genes ; Humans ; Insulin ; Models, Genetic ; Proinsulin/*genetics ; Protein Precursors/*genetics ; Rats ; Repetitive Sequences, Nucleic Acid
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  • 21
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    Spinal sympathetic neurons: possible sites of opiate-withdrawal suppression by clonidine (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-03-26
    Description: Morphine, methadone, meperidine, fentanyl, and clonidine rapidly depressed transmission through sympathetic preganglionic neurons in cats with the spinal cord transected. Naloxone promptly antagonized this effect of the opiates but not that of clonidine which was reversed by alpha 2-adrenergic receptor antagonists. The independent depression of preganglionic neurons by clonidine may contribute to the ability of this drug to depress the symptoms of opiate withdrawal that are characterized by sympathetic hyperactivity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Franz, D N -- Hare, D B -- McCloskey, K L -- GM-07579/GM/NIGMS NIH HHS/ -- HL-24085/HL/NHLBI NIH HHS/ -- RR-05428/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1982 Mar 26;215(4540):1643-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6280276" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cats ; Clonidine/*pharmacology/therapeutic use ; Evoked Potentials/drug effects ; Humans ; Narcotics/pharmacology ; Receptors, Drug/drug effects ; Reflex/drug effects ; Spinal Cord/cytology ; Structure-Activity Relationship ; Substance Withdrawal Syndrome/*drug therapy ; Sympathetic Nervous System/*drug effects ; Synaptic Transmission/*drug effects
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  • 22
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    Gene scanning with block mutations (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-07-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1982 Jul 30;217(4558):434-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6283636" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA, Recombinant ; *Gene Expression Regulation ; Genes ; Genes, Regulator ; *Mutation ; RNA, Messenger ; Simplexvirus/genetics ; Thymidine Kinase/genetics ; *Transcription, Genetic
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  • 23
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    Transcriptional control signals of a eukaryotic protein-coding gene (1982)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1982-07-23
    Description: Transcriptional control signals of a model eukaryotic protein-coding gene have been identified by a new procedure of in vitro mutagenesis. This method allows small clusters of nucleotide residues to be substituted in a site-directed manner without causing the addition or deletion of other sequences. Transcription assays of a systematic series of these clustered point mutants have led to the identification of three distinct control signals located within the 105-nucleotide residues immediately upstream from the point where transcription begins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McKnight, S L -- Kingsbury, R -- New York, N.Y. -- Science. 1982 Jul 23;217(4557):316-24.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6283634" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA, Recombinant ; *Gene Expression Regulation ; Genes ; Genes, Regulator ; *Mutation ; RNA, Messenger/analysis ; Simplexvirus/genetics ; Thymidine Kinase/genetics ; *Transcription, Genetic
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  • 24
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    DNA sequence of the gene encoding the E alpha Ia polypeptide of the BALB/c mouse (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-12-17
    Description: A 3.4-kilobase DNA fragment containing the gene coding for the E alpha chain of an Ia (I region-associated) antigen from the BALB/c mouse has been sequenced. It contains at least three exons, which correlate with the major structural domains of the E alpha chain-the two external domains alpha 1 and alpha 2, and the transmembrane-cytoplasmic domain. The coding sequence of the mouse E alpha gene shows striking homology to its counterpart at the DNA and protein levels. The translated alpha 2 exon demonstrates significant similarity to beta 2-microglobulin, to immunoglobulin constant region domains, and to certain domains of transplantation antigens. These observations and those of others suggest that the Ia antigen, transplantation antigen, and immunoglobulin gene families share a common ancestor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McNicholas, J -- Steinmetz, M -- Hunkapiller, T -- Jones, P -- Hood, L -- New York, N.Y. -- Science. 1982 Dec 17;218(4578):1229-32.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6815800" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Biological Evolution ; Genes ; *Genes, MHC Class II ; Macromolecular Substances ; Mice ; Mice, Inbred BALB C/*genetics ; beta 2-Microglobulin/genetics
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  • 25
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    DNA sequence of a gene encoding a BALB/c mouse Ld transplantation antigen (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-02-05
    Description: The sequence of a gene, denoted 27.5, encoding a transplantation antigen for the BALB/c mouse has been determined. Gene transfer studies and comparison of the translated sequence with the partial amino acid sequence of the Ld transplantation antigen establish that gene 27.5 encodes an Ld polypeptide. A comparison of the gene 27.5 sequence with several complementary DNA sequences suggests that the BALB/c mouse may contain a number of closely related L-like genes. Gene 27.5 has eight exons that correlate with the structural domains of the transplantation antigen.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moore, K W -- Sher, B T -- Sun, Y H -- Eakle, K A -- Hood, L -- 1 T32 GM07616/GM/NIGMS NIH HHS/ -- GM 06965/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1982 Feb 5;215(4533):679-82.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7058332" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Cloning, Molecular/methods ; Genes ; H-2 Antigens/*genetics ; *Major Histocompatibility Complex ; Mice ; Mice, Inbred BALB C/*genetics ; Plasmids ; Repetitive Sequences, Nucleic Acid
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  • 26
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    DNA conformation, dynamics, and interactions in solution (1982)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1982-05-07
    Description: The conformation and dynamics of the d(CGCGAATTCGCG) duplex, its analogs containing mismatched base pairs and helix interruptions, and its complexes with actinomycin and Netropsin, bound separately and simultaneously, have been investigated by nuclear magnetic resonance spectroscopy in aqueous solution. Structural information has been deduced from chemical shift and nuclear Overhauser effect parameters, while the kinetics have been probed from line width and saturation recovery experiments on proton and phosphorus markers at the individual base pair level. These studies lead to an improved understanding of the role of nucleic acid sequence on the structure, flexibility, and conformational interconversions in the duplex state. The nuclear magnetic resonance measurements readily identify helix modification and antibiotic binding sites on the nucleic acid and estimate the extent to which the observed conformational and dynamic perturbations are transmitted to adjacent base pair regions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Patel, D J -- Pardi, A -- Itakura, K -- New York, N.Y. -- Science. 1982 May 7;216(4546):581-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6280281" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Dna ; Dactinomycin ; Hydrogen Bonding ; Magnetic Resonance Spectroscopy ; Motion ; Netropsin ; *Nucleic Acid Conformation ; Oligodeoxyribonucleotides ; Protons ; Structure-Activity Relationship ; Temperature
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  • 27
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    (+)-Amphetamine binding to rat hypothalamus: relation to anorexic potency for phenylethylamines (1982)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1982-10-29
    Description: Saturable and stereospecific binding sites for (+)-[3H]amphetamine were demonstrated in membrane preparations from rat brain. The density of these binding sites varies among brain regions and is highest in the hypothalamus and brainstem. Specific (+)-[3H]amphetamine binding in hypothalamus is largely confined to synaptosomal membranes, rapidly reversible, and sensitive to both heat and proteolytic enzymes. Scatchard analysis of the equilibrium binding data revealed two distinct sites with apparent affinity constants of 93 and 300 nanomoles per liter, respectively. The effects of various psychotropic drugs as well as a number of putative neurotransmitters and related agonists and antagonists in displacing specific (+)-[3H]amphetamine binding demonstrate that these binding sites are not associated with any previously described neurotransmitter or drug receptors, but are specific for amphetamine and related phenylethylamine derivatives. Furthermore, the relative affinities of a series of phenylethylamine derivatives for (+)-[3H]amphetamine binding sites in hypothalamic membranes is highly correlated to their potencies as anorexic agents. These results suggest the presence of specific receptor sites in hypothalamus that mediate the anorexic activity of amphetamine and related drugs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Paul, S M -- Hulihan-Giblin, B -- Skolnick, P -- New York, N.Y. -- Science. 1982 Oct 29;218(4571):487-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7123250" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anorexia/physiopathology ; Appetite Depressants/*pharmacology ; Cell Membrane/metabolism ; Dextroamphetamine/*metabolism ; Hypothalamus/drug effects/*metabolism/physiology ; Male ; Phenethylamines/metabolism ; Rats ; Receptors, Drug/*metabolism ; Structure-Activity Relationship
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    Nonopiate effects of dynorphin and des-Tyr-dynorphin (1982)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1982-12-10
    Description: Intracerebroventricular administration of dynorphin produced potent and long-lasting effects on motor function and the electroencephalogram in rats. In addition, local iontophoretic or pressure ejection of dynorphin consistently inhibited hippocampal unit activity. None of these effects were significantly affected by naloxone even at high doses. Moreover, a fragment of dynorphin that failed to displace any of a number of tritiated narcotics from rat brain homogenates produced similar effects on these physiological measures in vivo. On the basis of a variety of criteria for "opiate action," the results suggest that a second biologically active site within the dynorphin sequence is capable of quite potent but nonopiate effects.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Walker, J M -- Moises, H C -- Coy, D H -- Baldrighi, G -- Akil, H -- 1F32DA04183/DA/NIDA NIH HHS/ -- DA02265/DA/NIDA NIH HHS/ -- New York, N.Y. -- Science. 1982 Dec 10;218(4577):1136-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6128791" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Amino Acid Sequence ; Animals ; Dynorphins ; Endorphins/*physiology ; Hippocampus/*physiology ; Male ; Pain/*physiopathology ; Rats ; Structure-Activity Relationship
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  • 29
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    Herpes simplex virus type-1 glycoprotein D gene: nucleotide sequence and expression in Escherichia coli (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-10-22
    Description: The protein coding region of the herpes simplex virus type-1 glycoprotein D (gD) gene was mapped, and the nucleotide sequence was determined. The predicted amino acid sequence of the gD polypeptide was found to contain a number of features in common with other virus glycoproteins. Insertion of this protein coding region into a bacterial expressor plasmid enabled synthesis in Escherichia coli of an immunoreactive gD-related polypeptide. The potential of this system for preparation of a type-common herpes simplex virus vaccine is discussed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Watson, R J -- Weis, J H -- Salstrom, J S -- Enquist, L W -- New York, N.Y. -- Science. 1982 Oct 22;218(4570):381-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6289440" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Antigens, Viral/genetics ; Base Sequence ; Escherichia coli/genetics ; Gene Expression Regulation ; Genes ; Genes, Viral ; Glycoproteins/*genetics ; Peptides/genetics ; Protein Sorting Signals ; Simplexvirus/*genetics ; Viral Proteins/*genetics/immunology ; Viral Vaccines
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  • 30
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    Diverse mechanisms in the generation of human beta-tubulin pseudogenes (1982)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1982-08-06
    Description: The sequence of two human beta-tubulin pseudogenes is described. One contains an intervening sequence but lacks sequences encoding the 55 N-terminal amino acids of the polypeptide chain. A second has no introns but has a polyadenylate signal and an oligoadenylate tract at its 3' end, and it is flanked by a short direct repeat. These sequences have arisen by different mechanisms, including one that probably involves reverse transcription of a processed messenger RNA and reintegration of the complementary DNA copy into the genome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wilde, C D -- Crowther, C E -- Cowan, N J -- GM26456/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1982 Aug 6;217(4559):549.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6178164" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA/analysis ; DNA Restriction Enzymes ; DNA Transposable Elements ; DNA, Recombinant ; *Gene Expression Regulation ; Humans ; Nucleic Acid Hybridization ; Poly A/genetics ; RNA Splicing ; RNA-Directed DNA Polymerase/metabolism ; Recombination, Genetic ; Tubulin/*genetics
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  • 31
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    Hyperglycemia of diabetic rats decreased by a glucagon receptor antagonist (1982)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1982-02-26
    Description: The glucagon analog [l-N alpha-trinitrophenylhistidine, 12-homoarginine]-glucagon (THG) was examined for its ability to lower blood glucose concentrations in rats made diabetic with streptozotocin. In vitro, THG is a potent antagonist of glucagon activation of the hepatic adenylate cyclase assay system. Intravenous bolus injections of THG caused rapid decreases (20 to 35 percent) of short duration in blood glucose. Continuous infusion of low concentrations of the inhibitor led to larger sustained decreases in blood glucose (30 to 65 percent). These studies demonstrate that a glucagon receptor antagonist can substantially reduce blood glucose levels in diabetic animals without addition of exogenous insulin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Johnson, D G -- Goebel, C U -- Hruby, V J -- Bregman, M D -- Trivedi, D -- AM21085/AM/NIADDK NIH HHS/ -- AM25318/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1982 Feb 26;215(4536):1115-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6278587" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Diabetes Mellitus, Experimental/*drug therapy ; Glucagon/*analogs & derivatives/*antagonists & inhibitors/therapeutic use ; Hyperglycemia/*drug therapy ; Male ; Rats ; Receptors, Cell Surface/*drug effects ; Receptors, Glucagon ; Structure-Activity Relationship
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  • 32
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    N-acetylation regulates the behavioral activity of alpha-melanotropin in a multineurotransmitter neuron (1982)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 1982-02-26
    Description: A multineurotransmitter neuronal system that synthesizes and secretes both acetylated and deacetylated forms of alpha-melantropin and beta-endorphin is present in rat and human brain. The N-acetylated from of alpha-melanotropin had more potent behavioral effects than the deacetylated alpha-melanotropin. In the case of beta-endorphin, however, the deacetylated form has been shown to be more potent than the acetylated form. Enzymatic N-acetylation appears to be an important regulatory process for modulating the behavioral activity of peptides secreted from the opiomelanotropinergic multineurotransmitter neuron.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Donohye, T L -- Handelmann, G E -- Miller, R L -- Jacobowitz, D M -- New York, N.Y. -- Science. 1982 Feb 26;215(4536):1125-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7063845" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Animals ; Behavior, Animal/drug effects ; Brain/*metabolism ; Humans ; Melanocyte-Stimulating Hormones/*metabolism/pharmacology ; Neurons/metabolism ; Rats ; Structure-Activity Relationship
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  • 33
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    Human beta-globin gene sequences injected into mouse eggs, retained in adults, and transmitted to progeny (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-09-10
    Description: Foreign gene sequences were retained in two adult mice (out of 62 analyzed) from fertilized eggs injected with a recombinant plasmid containing the human beta-globin genomic region and the herpes simplex viral thymidine kinase gene. The intact human and viral genes were found in DNA of one of the animals and, in the other, at least part of the human globin gene was present. The latter individual transmitted these sequences to its progeny in a Mendelian ration. Thus, human DNA may be incorporated into the germ line of mice for in vivo studies of regulation of gene expression in development, genetic diseases, and malignancy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Steward, T A -- Wagner, E F -- Mintz, B -- CA-60927/CA/NCI NIH HHS/ -- HD-01646/HD/NICHD NIH HHS/ -- RR-05539/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1982 Sep 10;217(4564):1046-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6287575" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; DNA/genetics ; DNA Restriction Enzymes ; DNA, Recombinant ; Female ; Genes ; Genes, Viral ; Germ Cells ; Globins/*genetics ; Humans ; Mice ; Microinjections ; Nucleic Acid Hybridization ; *Recombination, Genetic ; Simplexvirus/enzymology ; Thymidine Kinase/genetics ; Zygote
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 34
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    Transposition of cloned P elements into Drosophila germ line chromosomes (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-10-22
    Description: Recombinant DNA carrying the 3-kilobase transposable element was injected into Drosophila embryos of a strain that lacked such elements. Under optimum conditions, half of the surviving embryos showed evidence of P element-induced mutations in a fraction of their progeny. Direct analysis of the DNA of strains derived from such flies showed them to contain from one to five intact 3-kilobase P elements located at a wide variety of chromosomal sites. DNA sequences located outside the P element on the injected DNA were not transferred. Thus P elements can efficiently and selectively transpose from extrachromosomal DNA to the DNA of germ line chromosomes in Drosophila embryos. These observations provide the basis for efficient DNA-mediated gene transfer in Drosophila.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Spradling, A C -- Rubin, G M -- New York, N.Y. -- Science. 1982 Oct 22;218(4570):341-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6289435" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Chromosome Mapping ; *DNA Transposable Elements ; Drosophila melanogaster/*genetics ; Female ; Genes ; Genetic Linkage ; Hybridization, Genetic ; Male ; *Mutation ; Nucleic Acid Hybridization ; Recombination, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 35
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    Form and function of retroviral proviruses (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-05-21
    Description: Retroviruses have proved to be useful reagents for studying genetic and epigenetic (such as regulatory) changes in eukaryotic cells, for assessing functional and structural relationships between transposable genetic elements, for inducing insertional mutations, including some important in oncogenesis, and for transporting genes into eukaryotic cells, either after natural transduction of putative cellular oncogenes or after experimental construction of recombinant viruses. Many of these properties of retroviruses depend on their capacity to establish a DNA (proviral) form of their RNA genomes as a stable component of host chromosomes, in either somatic or germinal cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Varmus, H E -- New York, N.Y. -- Science. 1982 May 21;216(4548):812-20.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6177038" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; DNA Transposable Elements ; DNA, Viral/biosynthesis/genetics ; Gene Expression Regulation ; Genes, Viral ; Genetic Vectors ; Mutation ; RNA-Directed DNA Polymerase/metabolism ; Recombination, Genetic ; Repetitive Sequences, Nucleic Acid ; Retroviridae/*physiology ; Transcription, Genetic ; Virus Replication
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 36
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    A 7-hydroxymethyl sulfate ester as an active metabolite of 7,12-dimethylbenz[alpha]anthracene (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-01-22
    Description: 7-Hydroxymethyl-12-methylbenz[alpha]anthracene (7-HMBA), a carcinogenic major metabolite of 7,12-dimethylbenz[alpha]anthracene (DMBA) in liver, was transformed by liver cytosolic sulfotransferase to reactive 7-HMBA sulfate, which is mutagenic toward Salmonella typhimurium strain TA98. The mutagenicity of 7-HMBA in the presence of hepatic sulfotransferase was much higher than that of DMBA or 7-HMBA in the presence of hepatic monooxygenase.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Watabe, T -- Ishizuka, T -- Isobe, M -- Ozawa, N -- New York, N.Y. -- Science. 1982 Jan 22;215(4531):403-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6800033" target="_blank"〉PubMed〈/a〉
    Keywords: 9,10-Dimethyl-1,2-benzanthracene/analogs & derivatives/*metabolism/pharmacology ; Benz(a)Anthracenes/*metabolism ; Biotransformation ; Mutagenicity Tests ; *Mutagens ; Salmonella typhimurium/drug effects ; Structure-Activity Relationship ; Sulfuric Acids
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 37
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    beta, gamma-Peroxy analogs of adenosine and guanosine triphosphate: synthesis and biological activity (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-01-01
    Description: Extended analogs of adenosine triphosphate (ATP) and guanosine triphosphate (GTP), in which a peroxide bridge replaces the terminal bridge-oxygen of the triphosphate chain, have been synthesized. The ability of beta, gamma-peroxy-ATP to inhibit or substitute for ATP in representative enzyme systems and that of beta, gamma-peroxy-GTP, for FTP in protein synthesis was tested.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosendahl, M S -- Leonard, N J -- GM-05829/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1982 Jan 1;215(4528):81-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7053563" target="_blank"〉PubMed〈/a〉
    Keywords: Adenosine Triphosphate/*analogs & derivatives/chemical synthesis/metabolism ; Guanosine Triphosphate/*analogs & derivatives/chemical synthesis/metabolism ; Kinetics ; Peroxides ; Protein Biosynthesis/drug effects ; Structure-Activity Relationship
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 38
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    Nucleotide sequence of the oncogene encoding the p21 transforming protein of Kirsten murine sarcoma virus (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-09-03
    Description: The transforming protein of Kirsten murine sarcoma virus (Ki-MuSV) is a virally encoded 21-kilodalton protein called p21 kis. The sequences encoding p21 kis were genetically localized to a 1.3-kilobase segment near the 5' end of the viral genome by assaying the capacity of a series of defined deletion mutants of molecularly cloned Ki-MuSV DNA to induce focal transformation of mouse cells. Nucleotide sequencing of a portion of this region has led to the identification of an open reading frame of 567 nucleotides coding for p21 kis protein.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tsuchida, N -- Ryder, T -- Ohtsubo, E -- CA-22701/CA/NCI NIH HHS/ -- CA21124/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1982 Sep 3;217(4563):937-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6287573" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cell Transformation, Viral ; Cells, Cultured ; DNA Restriction Enzymes ; DNA, Recombinant ; DNA, Viral/genetics ; Genes, Viral ; Kirsten murine sarcoma virus/*genetics ; Mice ; Mice, Inbred BALB C ; Molecular Sequence Data ; Mutation ; Oncogene Protein p21(ras) ; RNA, Viral/genetics ; Sarcoma Viruses, Murine/*genetics ; Viral Proteins/*genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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