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  • American Association for the Advancement of Science (AAAS)  (22)
  • American Geophysical Union (AGU)
  • 2000-2004
  • 1985-1989  (22)
  • 1986  (22)
  • 1
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    The site of attachment in human rhinovirus 14 for antiviral agents that inhibit uncoating (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-09-19
    Description: WIN 51711 and WIN 52084 are structurally related, antiviral compounds that inhibit the replication of rhino (common cold) viruses and related picornaviruses. They prevent the pH-mediated uncoating of the viral RNA. The compounds consist of a 3-methylisoxazole group that inserts itself into the hydrophobic interior of the VP1 beta-barrel, a connecting seven-membered aliphatic chain, and a 4-oxazolinylphenoxy group (OP) that covers the entrance to an ion channel in the floor of the "canyon." Viral disassembly may be inhibited by preventing the collapse of the VP1 hydrophobic pocket or by blocking the flow of ions into the virus interior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, T J -- Kremer, M J -- Luo, M -- Vriend, G -- Arnold, E -- Kamer, G -- Rossmann, M G -- McKinlay, M A -- Diana, G D -- Otto, M J -- New York, N.Y. -- Science. 1986 Sep 19;233(4770):1286-93.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3018924" target="_blank"〉PubMed〈/a〉
    Keywords: Antiviral Agents/metabolism/*pharmacology ; Binding Sites ; Chemical Phenomena ; Chemistry ; Humans ; Isoxazoles/metabolism/pharmacology ; Poliovirus/drug effects/metabolism ; Rhinovirus/*drug effects/metabolism ; X-Ray Diffraction
    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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  • 2
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    Hyperphoretic dispersal of a pyxidiophora anamorph (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-05-23
    Description: It has been suggested that Thaxteriola species and other minute, nonmycelial fungi associated with arthropods have phylogenetic relationships with the Laboulbeniales. However, direct development of the thallus of Thaxteriola from an ascospore of Pyxidiophora has now been discovered. Thaxteriola is specialized for dispersal by mites carried on pine bark beetles; other fungi dispersed by arthropods in this symbiotic assemblage rely primarily on arthropod specializations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blackwell, M -- Bridges, J R -- Moser, J C -- Perry, T J -- New York, N.Y. -- Science. 1986 May 23;232(4753):993-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17759283" target="_blank"〉PubMed〈/a〉
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Atrial natriuretic peptide elevation in congestive heart failure in the human (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-03-07
    Description: A sensitive radioimmunoassay for atrial natriuretic peptide was used to examine the relation between circulating atrial natriuretic peptide and cardiac filling pressure in normal human subjects, in patients with cardiovascular disease and normal cardiac filling pressure, and in patients with cardiovascular disease and elevated cardiac filling pressure with and without congestive heart failure. The present studies establish a normal range for atrial natriuretic peptide in normal human subjects. These studies also establish that elevated cardiac filling pressure is associated with increased circulating concentrations of atrial natriuretic peptide and that congestive heart failure is not characterized by a deficiency in atrial natriuretic peptide, but with its elevation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Burnett, J C Jr -- Kao, P C -- Hu, D C -- Heser, D W -- Heublein, D -- Granger, J P -- Opgenorth, T J -- Reeder, G S -- New York, N.Y. -- Science. 1986 Mar 7;231(4742):1145-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2935937" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Atrial Natriuretic Factor/*blood ; Cardiovascular Diseases/blood ; Female ; Heart Failure/*blood ; Hemodynamics ; Humans ; Male ; Middle Aged ; Radioimmunoassay
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Role of seasonality in the evolution of climate during the last 100 million years (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-02-07
    Description: A simple climate model has been used to calculate the effect of past changes in the land-sea distribution on the seasonal cycle of temperatures during the last 100 million years. Modeled summer temperatures decreased over Greenland by more than 10 degrees C and over Antarctica by 5 degrees to 8 degrees C. For the last 80 million years, this thermal response is comparable in magnitude to estimated atmospheric carbon dioxide effects. Analysis of paleontological data provides some support for the proposed hypothesis that large changes due to seasonality may have sometimes resulted in an ice-free state due to high summer temperature rather than year-round warmth. Such "cool" non-glacials may have prevailed for as much as one-third of the last 100 million years.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Crowley, T J -- Short, D A -- Mengel, J G -- North, G R -- New York, N.Y. -- Science. 1986 Feb 7;231(4738):579-84.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17750969" target="_blank"〉PubMed〈/a〉
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Oblique impact: a process for obtaining meteorite samples from other planets (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-10-17
    Description: Cratering flow calculations for a series of oblique to normal (10 degrees to 90 degrees ) impacts of silicate projectiles onto a silicate halfspace were carried out to determine whether or not the gas produced upon shock-vaporizing both projectile and target material would form a downstream jet that could entrain and propel SNC meteorites from the Martian surface. The difficult constraints that the impact origin hypothesis for SNC meteorites has to satisfy are that these meteorites are lightly to moderately shocked and yet have been accelerated to speeds in excess of the Martian escape velocity (more than 5 kilometers per second). Two-dimensional finite difference calculations were performed that show that at highly probable impact velocities (7.5 kilometers per second), vapor plume jets are produced at oblique impact angles of 25 degrees to 60 degrees and have speeds as great as 20 kilometers per second. These plumes flow nearly parallel to the planetary surface. It is shown that upon impact of projectiles having radii of 0.1 to 1 kilometer, the resulting vapor jets have densities of 0.1 to 1 gram per cubic centimeter. These jets can entrain Martian surface rocks and accelerate them to velocities greater than 5 kilometers per second. This mechanism may launch SNC meteorites to earth.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'keefe, J D -- Ahrens, T J -- New York, N.Y. -- Science. 1986 Oct 17;234(4774):346-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17834533" target="_blank"〉PubMed〈/a〉
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    HTLV-III/LAV-neutralizing antibodies to an E. coli-produced fragment of the virus envelope (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-12-12
    Description: Immunization with either an Escherichia coli recombinant segment of the human T-cell lymphotropic virus (HTLV-III/LAV) envelope protein (gp 120) or with deglycosylated gp 120 envelope protein produced antibodies that neutralize HTLV-III/LAV infection in vitro. Virus neutralization titers of these antisera were equivalent to those obtained with purified native gp120 as immunogen. This localizes at least one class of neutralizing epitopes to the carboxyl-terminal half of the molecule. In addition, native gp120 prevented HTLV-III/LAV--mediated cell fusion, whereas the recombinant gp120 fragment did not. This shows that although glycosylation is not required for induction of neutralizing antibodies, it may be important for interaction with CD4, the virus receptor. A segment of the HTLV-III/LAV envelope produced in E. coli may be an important ingredient of a vaccine for acquired immune deficiency syndrome.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Putney, S D -- Matthews, T J -- Robey, W G -- Lynn, D L -- Robert-Guroff, M -- Mueller, W T -- Langlois, A J -- Ghrayeb, J -- Petteway, S R Jr -- Weinhold, K J -- 1PO1-CA43447-01/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1986 Dec 12;234(4782):1392-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2431482" target="_blank"〉PubMed〈/a〉
    Keywords: Antibodies, Viral/*immunology ; Electrophoresis, Polyacrylamide Gel ; Enzyme-Linked Immunosorbent Assay ; Epitopes/analysis ; Escherichia coli/*genetics ; HIV Antibodies ; Humans ; Immunization ; Molecular Weight ; Receptors, Virus/metabolism ; Recombinant Proteins/immunology ; Viral Envelope Proteins/genetics/*immunology
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  • 7
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    Shock and tissue injury induced by recombinant human cachectin (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-10-24
    Description: Cachectin (tumor necrosis factor), a protein produced in large quantities by endotoxin-activated macrophages, has been implicated as an important mediator of the lethal effect of endotoxin. Recombinant human cachectin was infused into rats in an effort to determine whether cachectin, by itself, can elicit the derangements of host physiology caused by administration of endotoxin. When administered in quantities similar to those produced endogenously in response to endotoxin, cachectin causes hypotension, metabolic acidosis, hemoconcentration, and death within minutes to hours, as a result of respiratory arrest. Hyperglycemia and hyperkalemia were also observed after infusion. At necropsy, diffuse pulmonary inflammation and hemorrhage were apparent on gross and histopathologic examination, along with ischemic and hemorrhagic lesions of the gastrointestinal tract, and acute renal tubular necrosis. Thus, it appears that a single protein mediator (cachectin) is capable of inducing many of the deleterious effects of endotoxin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tracey, K J -- Beutler, B -- Lowry, S F -- Merryweather, J -- Wolpe, S -- Milsark, I W -- Hariri, R J -- Fahey, T J 3rd -- Zentella, A -- Albert, J D -- New York, N.Y. -- Science. 1986 Oct 24;234(4775):470-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3764421" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Glucose/metabolism ; Endotoxins/toxicity ; Female ; Glycoproteins/*toxicity ; Humans ; Potassium/blood ; Rats ; Recombinant Proteins ; Shock/*chemically induced/pathology/physiopathology ; Sodium/blood ; Tumor Necrosis Factor-alpha
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  • 8
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    Existence of cannibalism (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-08-29
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Riley, T J -- New York, N.Y. -- Science. 1986 Aug 29;233(4767):926.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17732028" target="_blank"〉PubMed〈/a〉
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  • 9
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    Separation of drug stereoisomers by the formation of beta-cyclodextrin inclusion complexes (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-05-30
    Description: For many drugs, only racemic mixtures are available for clinical use. Because different stereoisomers of drugs often cause different physiological responses, the use of pure isomers could elicit more exact therapeutic effects. Differential complexation of a variety of drug stereoisomers by immobilized beta-cyclodextrin was investigated. Chiral recognition and racemic resolution were observed with a number of compounds from such clinically useful classes as beta-blockers, calcium-channel blockers, sedative hypnotics, antihistamines, anticonvulsants, diuretics, and synthetic opiates. Separation of the diastereomers of the cardioactive and antimalarial cinchona alkaloids and of two antiestrogens was demonstrated as well. Three dimensional projections of beta-cyclodextrin complexes of propanolol, which is resolved by this technique, and warfarin, which is not, are compared. These studies have improved the understanding and application of the chiral interactions of beta-cyclodextrin, and they have demonstrated a means to measure optical purity and to isolate or produce pure enantiomers of drugs. In addition, this highly specific technique could also be used in the pharmacological evaluation of enantiomeric drugs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Armstrong, D W -- Ward, T J -- Armstrong, R D -- Beesley, T E -- RR1081/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1986 May 30;232(4754):1132-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3704640" target="_blank"〉PubMed〈/a〉
    Keywords: Chemical Phenomena ; Chemistry ; Cinchona Alkaloids/isolation & purification ; *Cyclodextrins ; *Dextrins ; Propranolol/isolation & purification ; *Starch ; *Stereoisomerism ; Warfarin/isolation & purification ; *beta-Cyclodextrins
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  • 10
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    Infantile experience with suckling odors determines adult sexual behavior in male rats (1986)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1986-02-14
    Description: Because infant rats learn about odors that elicit suckling, and because certain chemosensory cues that help elicit mating behavior in adults are similar to those that elicit suckling, an experiment was undertaken to assess the influence of suckling-associated odors experienced during infancy on adult sexual behavior. Rat pups lived with and suckled dams whose nipple and vaginal odors were altered with citral, a lemon scent. The rats were weaned and never exposed again, until testing, to citral or females. At about 100 days of age, the males were paired in mating tests with a normal sexually receptive female or with a sexually receptive female that had been treated perivaginally with citral immediately before testing. The males ejaculated readily when paired with citral-treated females but were slow to achieve ejaculation when paired with normal females. These findings implicate an infantile experience as a determinant of adult sexual behavior in a mammal.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fillion, T J -- Blass, E M -- AM 18560/AM/NIADDK NIH HHS/ -- MH 00524/MH/NIMH NIH HHS/ -- New York, N.Y. -- Science. 1986 Feb 14;231(4739):729-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3945807" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Population Groups/*physiology ; Animals ; Animals, Suckling/*physiology ; Learning/physiology ; Male ; Odors ; Pheromones/*physiology ; Rats ; Sexual Behavior, Animal/*physiology ; Smell/physiology
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