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  • 1
    Publication Date: 1978-06-02
    Description: Eight chronic alcoholics received repeated computed tomography scans. Four, who maintained abstinence and functionally improved, showed partially reversible cerebral atrophy. Two nonabstinent patients and two abstinent patients who had completed functional improvement before the first scan showed no change in atrophy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carlen, P L -- Wortzman, G -- Holgate, R C -- Wilkinson, D A -- Rankin, J C -- New York, N.Y. -- Science. 1978 Jun 2;200(4345):1076-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/653357" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Alcoholism/*pathology/radiography/therapy ; Atrophy ; Brain/*pathology/radiography ; Female ; Humans ; Male ; Middle Aged ; Tomography, X-Ray Computed
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-01-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Abelson, Philip H -- New York, N.Y. -- Science. 1978 Jan 13;199(4325):135.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11643428" target="_blank"〉PubMed〈/a〉
    Keywords: *DNA, Recombinant ; *Government Regulation ; Humans ; *Legislation as Topic ; Research Personnel ; *Social Control, Formal ; Social Control, Informal
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  • 3
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-12-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alling, D W -- Halperin, M -- Ware, J H -- New York, N.Y. -- Science. 1978 Dec 8;202(4372):1105.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/715462" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; *Research Design ; Statistics as Topic
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  • 4
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-04-14
    Description: The body shapes of humans and chimpanzees were compared quantitatively by criteria chosen for their capacity to discriminate well among the body shapes of frogs. By these criteria, the difference in body shape between humans and chimpanzees was found to be greater than that between the most dissimilar pairs of frogs examined--that is, frogs classified in separate taxonomic suborders. Even though the morphological diffference between the two primates is large by frog standards, the biochemical differences between the structural genes of these two species are small. The results of this study give quantitative support to the proposal that morphological evolution and biochemical evolution in structural genes can proceed at independent rates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cherty, L M -- Case, S M -- Wilson, A C -- New York, N.Y. -- Science. 1978 Apr 14;200(4338):209-11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/635583" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anthropometry ; Anura/*anatomy & histology ; *Biological Evolution ; Biometry ; Genes ; Humans ; Pan troglodytes/*anatomy & histology
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  • 5
    Publication Date: 1978-09-01
    Description: Multitubular enzyme reactors with immobilized phenylalanine ammonia lyase were tested in vitro and in vivo for depletion of phenylalanine in circulating blood. Sustained reduction of phenylalanine was achieved in less than 30 minutes. A 50% decrease of phenylalanine was obtained with a 2-hour application of enzyme reactors and was maintained for more than 2 days. Similar enzyme reactors have therapeutic potential for temporary management of phenylketonuric patients when their circulating phenylalanine becomes exceedingly high because of infection, fever, or pregnancy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ambrus, C M -- Ambrus, J L -- Horvath, C -- Pedersen, H -- Sharma, S -- Kant, C -- Mirand, E -- Guthrie, R -- Paul, T -- New York, N.Y. -- Science. 1978 Sep 1;201(4358):837-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/567372" target="_blank"〉PubMed〈/a〉
    Keywords: Ammonia-Lyases/*therapeutic use ; Animals ; *Disease Models, Animal ; Dogs ; Enzymes, Immobilized/*therapeutic use ; Extracorporeal Circulation ; Humans ; Phenylalanine/blood ; Phenylalanine Ammonia-Lyase/*therapeutic use ; Phenylketonurias/*therapy
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  • 6
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-02-10
    Description: The image of an 80 to 90 percent underexposed medical radiograph can be increased to readable density and contrast by autoradiographic image intensification. The technique consists of combining the image silver of the radiograph with a radioactive compound, thiourea labeled with sulfur-35, and then making an autoradiograph from the activated negative.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Askins, B S -- New York, N.Y. -- Science. 1978 Feb 10;199(4329):684-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/625659" target="_blank"〉PubMed〈/a〉
    Keywords: Autoradiography/*methods ; Contrast Media ; Humans ; Mammography/methods ; Radiation Dosage ; *Radiographic Image Enhancement ; Radiography/methods ; Technology, Radiologic
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  • 7
    Publication Date: 1978-01-06
    Description: [1-3H]Galactitol-6-sulfate, N- [1-3H]acetylgalactosaminitol-6-sulfate, N-[1-3H]acetylglucosaminitol-6-sulfate, N-acetylglucosamine-6-sulfate, and 6-sulfated tetrasaccharides from chondroitin-6-sulfate have been used for the measurement of 6-sulfatase activity of extracts of normal skin fibroblasts and of fibroblasts cultured from patients with genetic mucopolysaccharidoses. With these substrates, extracts of fibroblasts derived from Morquio patients lack or have greatly reduced activities for galactitol-6-sulfate, N-acetylgalactosaminitol-6-sulfate, and 6-sulfated tetrasaccharides but have normal activity for N-acetylglucosamine-6-sulfate and its alditol; those derived from a patient with a newly discovered mucopolysaccharidosis have greatly reduced activity for N-acetylglucosamine-6-sulfate and its alditol but normal activity for galactitol-6-sulfate, N-acetylgalactosaminitol-6-sulfate, and the 6-sulfated tetrasaccharides. These findings demonstrate the existence of two different hexosamine-6-sulfate sulfatases, specific for the glucose or galactose configuration of their substrates. Their respective deficiencies, causing inability to degrade keratan sulfate and heparan sulfate in one case and keratan sulfate and chondroitin-6-sulfate in the other, are responsible for different clinical phenotypes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Di Ferrante, N -- Ginsberg, L C -- Donnelly, P V -- Di Ferrante, D T -- Caskey, C T -- New York, N.Y. -- Science. 1978 Jan 6;199(4324):79-81.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratories of Connective Tissue Research, Department of Biochemistry, Baylor College of Medicine, Houston, Texas 77030, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17569489" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylgalactosamine/analogs & derivatives/metabolism ; Acetylglucosamine/analogs & derivatives/metabolism ; Cells, Cultured ; Child, Preschool ; Chondroitin Sulfates/metabolism ; Chondroitinsulfatases/*deficiency/metabolism ; Fibroblasts/enzymology ; Galactitol/metabolism ; Heparitin Sulfate/metabolism ; Humans ; Hydrogen-Ion Concentration ; Keratan Sulfate/metabolism ; Male ; Mucopolysaccharidoses/*enzymology ; Mucopolysaccharidosis III/enzymology ; Mucopolysaccharidosis IV/*enzymology ; Skin/cytology/enzymology ; Substrate Specificity ; Sulfatases/*deficiency/metabolism
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  • 8
    Publication Date: 1978-04-28
    Description: In postmortem examination of brains of four patients with chronic paranoid schizophrenia, above-normal norepinephrine levels were measured in the ventral septum, the bed nucleus of the stria terminalis, the nucleus accumbens, and the mammillary bodies. No changes were detected in other limbic forebrain regions, including the hypothalamus and the medial olfactory (preoptic) area. The results point to the possibility of a malfunction of limbic noradrenergic mechanisms in schizophrenia, especially the paranoid variety.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Farley, I J -- Price, K S -- McCullough, E -- Deck, J H -- Hordynski, W -- Hornykiewicz, O -- New York, N.Y. -- Science. 1978 Apr 28;200(4340):456-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/644310" target="_blank"〉PubMed〈/a〉
    Keywords: Humans ; Hypothalamus/metabolism ; Limbic System/*metabolism ; Norepinephrine/*metabolism ; Nucleus Accumbens/metabolism ; Preoptic Area/metabolism ; Schizophrenia, Paranoid/drug therapy/*metabolism ; Suicide ; Tranquilizing Agents/therapeutic use
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  • 9
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-03-17
    Description: Calcium, other divalent cations, and calcium antagonists were tested for their ability to alter ethanol-induced sleeping time, hypothermia, and behavioral intoxication in mice and rats. Calcium given intraventricularly significantly enhanced sleeping time and behavioral intoxication in a dose-related manner. The ionophores X537A and A23187 accentuated the effect of a low dose of calcium, whereas the calcium chelators EDTA and EGTA decreased sleeping time. Calcium also enhanced tertiary butanol- and chloral hydrate-induced sleeping time. The effects of cations on ethanol-induced hypothermia were less significant. The results suggest the existence of a central calcium pool that is involved in ethanol intoxication in rodents.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Erickson, C K -- Tyler, T D -- Harris, R A -- New York, N.Y. -- Science. 1978 Mar 17;199(4334):1219-21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/343251" target="_blank"〉PubMed〈/a〉
    Keywords: Alcoholic Intoxication/*physiopathology ; Animals ; Body Temperature Regulation/drug effects ; Calcimycin/pharmacology ; Calcium/antagonists & inhibitors/*physiology ; Cations, Divalent ; Dose-Response Relationship, Drug ; Drug Synergism ; Female ; Humans ; Lasalocid/pharmacology ; Male ; Mice ; Movement/drug effects ; Rats
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  • 10
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-12-01
    Description: The effect on intellectual ability of the spacing of the birth of siblings was studied in two series of young men from two-child families: (i) 535 pairs of brothers and (ii) 1511 unrelated firstborn and secondborn. Birth-order effect and level of ability were not influenced by length of interval between firstborn and secondborn.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Belmont, L -- Stein, Z -- Zybert, P -- New York, N.Y. -- Science. 1978 Dec 1;202(4371):995-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/568823" target="_blank"〉PubMed〈/a〉
    Keywords: *Birth Order ; Family ; Female ; Humans ; *Intelligence ; Male ; Maternal Age ; Socioeconomic Factors ; Time Factors
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  • 11
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-05-26
    Description: Evaluation of the efficacy of a medical intervention requires valid measurements of both its benefits and risks as compared to those of alternative forms of management. The requisite measurements are more difficult to make than this simple description suggests, and the accumulation of information is further inhibited by certain characteristics of our pattern of health care. These features include, for example, discontinuous care by a variety of unrelated providers, inadequate records, the autonomy of physicians as decision-makers, financial disincentives, ambiguities in what we mean by "experimental" and "accepted" forms of therapy, and failure to see continuing evaluation as a necessary component of the cost of providing good medical care. Although no single change will solve all the problems of evaluation, several offer promise of improving our ability to choose from among medical interventions those most likely to be useful.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Frazier, H S -- Hiatt, H H -- New York, N.Y. -- Science. 1978 May 26;200(4344):875-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/417402" target="_blank"〉PubMed〈/a〉
    Keywords: Cost-Benefit Analysis ; Defensive Medicine ; Delivery of Health Care/organization & administration ; Diagnostic Errors ; Ethics, Medical ; Humans ; Malpractice ; Medical Records ; *Quality of Health Care/economics ; Quality of Life ; Risk ; Therapeutics ; United States
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  • 12
    Publication Date: 1978-09-29
    Description: Human sleep is characterized by episodes of immobility punctuated by major postural shifts. The organization of this motor activity was shown with a combination of photographic and electroencephalographic recording to be periodic and related to the electroencephalographic sleep cycle. The amount of immobility as measured photographically was positively related to subjective estimates of the goodness of sleep.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hobson, J A -- Spagna, T -- Malenka, R -- New York, N.Y. -- Science. 1978 Sep 29;201(4362):1251-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/694515" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Electroencephalography ; Environment ; Female ; Humans ; Male ; *Movement ; Photography ; Sleep Stages/*physiology
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  • 13
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-05-26
    Description: Long-term care for the aged in the United States is overly dependent upon the nursing home. This hospital-like model for long-term care is particularly inappropriate since it imposes a medical solution on a variety of social problems. An adequate long-term care program requires a range of resources in the community as well as in institutions; sheltered housing options seem a desirable alternative to the nursing home. To ensure the quality of nursing home care, the present focus on setting standards for care activities should be abandoned in favor of a focus on care outcomes (physical, mental, and social). In an effort to change our present perverse incentives in the nursing home industry, the proposal is made that nursing homes be reimbursed according to the degree to which patient outcomes meet predicted outcomes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kane, R L -- Kane, R A -- New York, N.Y. -- Science. 1978 May 26;200(4344):913-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/417403" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Financing, Government ; Health Facilities, Proprietary ; *Homes for the Aged/economics ; Humans ; Long-Term Care/*methods ; *Nursing Homes/economics/standards ; Socioeconomic Factors ; United States
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  • 14
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-06-23
    Description: In cultures made from disaggregated human epidermal cells, growth to a confluent cell layer is followed by the emergence of patterns resembling those of human dermatoglyphs. These patterns reflect intrinsic properties of kertinocytes. In vivo, only the epidermis of the volar surfaces forms patterns, but in culture, patterns are formed by epidermal cells from other sites as well. Patterns develop by a process of cell movement which first produces ridges and then curves the ridges into figures of increasing complexity, ultimately whorls.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Green, H -- Thomas, J -- New York, N.Y. -- Science. 1978 Jun 23;200(4348):1385-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/663617" target="_blank"〉PubMed〈/a〉
    Keywords: Cell Differentiation ; Cell Movement ; Cells, Cultured ; *Dermatoglyphics ; Embryonic Induction ; Epidermis/*cytology ; Fibroblasts/cytology ; Humans ; Time Factors
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  • 15
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-01-13
    Description: A variety of neurotransmitters, hormones, and other regulatory agents affect the phosphorylation of specific proteins in their target tissues. The types of stimuli that share this common effect on protein phosphorylation include numerous substances that do not act through cyclic AMP. These and other observations suggest that many different classes of regulatory substances achieve certain of their biological effects by altering the phosphorylation of specific proteins.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Greengard, P -- New York, N.Y. -- Science. 1978 Jan 13;199(4325):146-52.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22932" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Calcium/metabolism ; Cyclic AMP/metabolism ; Cyclic GMP/metabolism ; Homeostasis ; Hormones/*metabolism ; Humans ; Neurotransmitter Agents/*metabolism ; Phosphoproteins/*metabolism ; Protein Kinases/*metabolism
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  • 16
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-01-06
    Description: Gas chromatography with electron capture detection was used to quantitate melatonin in single human pineal glands. The sensitivity of this melatonin assay is in the low picogram range. A 24-hour rhythm of pineal melatonin content was observed.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Greiner, A C -- Chan, S C -- New York, N.Y. -- Science. 1978 Jan 6;199(4324):83-4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉North Lawn Unit, Riverview Hospital, Essondale, British Columbia, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17569491" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Aged, 80 and over ; Chromatography, Gas ; Female ; Gas Chromatography-Mass Spectrometry ; Humans ; Male ; Melatonin/analogs & derivatives/*analysis ; Middle Aged ; Pineal Gland/*chemistry
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  • 17
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-10-13
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kolata, G B -- New York, N.Y. -- Science. 1978 Oct 13;202(4364):200-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/694526" target="_blank"〉PubMed〈/a〉
    Keywords: Bromocriptine/therapeutic use ; Clomiphene/therapeutic use ; Female ; Humans ; Infertility/psychology/*therapy ; Infertility, Female/etiology ; Male ; Ovulation ; Prolactin/blood
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  • 18
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-12-08
    Description: Nineteen epileptic patients were tested first under medium (week 1) and then under high (week 2) therapeutic levels of phenobarbital. Relative to response times of 20 controls with equivalent practice but without medication, response times of patients in a short-term memory scanning task were strikingly slowed during week 2. However, increased phenobarbital did not slow responses in a task requiring access to information in long-term memory.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉MacLeod, C M -- Dekabian, A S -- Hunt, E -- New York, N.Y. -- Science. 1978 Dec 8;202(4372):1102-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/715461" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Dose-Response Relationship, Drug ; Epilepsy/*drug therapy ; Humans ; Memory, Short-Term/*drug effects ; Middle Aged ; Phenobarbital/adverse effects/*pharmacology
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  • 19
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-10-06
    Description: Sequential Giemsa-11 and C-band staining of the heterochromatic region of chromosome 1 from 30 unrelated individuals revealed a high degree of variability within this region, more than was identifiable with either stain alone. The Giemsa-11 stained material usually appeared as a single band of only slightly varying size within the heterochromatic region. The position of this band ranged from a location immediately adjacent to the centromere, to one farther along the long arm or at the junction of the C-band heterochromatin and euchromatin. Two individuals had a chromosome 1 with no detectable Giemsa-11 band but an average-size C-band. Two others with a large heterochromatic segment by C-banding had two Giemsa-11 positive bands. Additional studies of five members of one family were consistent with transmission of these hetermorphisms in codominant Mendelian fashion.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maegenis, R E -- Donlon, T A -- Wyandt, H E -- New York, N.Y. -- Science. 1978 Oct 6;202(4363):64-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/694520" target="_blank"〉PubMed〈/a〉
    Keywords: Azure Stains ; Centromere/ultrastructure ; Chromosomes, Human, 1-3/*ultrastructure ; Genes, Dominant ; Heterochromatin/ultrastructure ; Humans
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  • 20
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-07-28
    Description: Human red blood cell membranes were labeled from within the lipid bilayer by the apolar photosensitive reagent, 5-[125I]iodonaphthyl-1-azide. Glycophorin, the major sialoglycoprotein of the red cell membrane, was purified by two different methods; it contained approximately half of the total label incorporated into membrane proteins. The label was confined to the trypsin-insoluble peptide of glycophorin that includes a sequence of 20, mainly apolar, amino acids. These findings provide direct evidence that the labeled segment resides within the membrane in direct contact with the lipid bilayer, and support the suggestion that glycophorin spans the bilayer through its hydrophobic domain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kahane, I -- Gitler, C -- New York, N.Y. -- Science. 1978 Jul 28;201(4353):351-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/663661" target="_blank"〉PubMed〈/a〉
    Keywords: Azides ; Erythrocyte Membrane/*ultrastructure ; Erythrocytes/*ultrastructure ; *Glycophorin ; Humans ; Iodine Radioisotopes ; Isotope Labeling ; Membrane Lipids/blood ; *Membrane Proteins/blood ; Peptide Fragments ; *Sialoglycoproteins ; Solubility ; Trypsin
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  • 21
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-02-17
    Description: Piglets were weaned when 1 day old and thus were denied further access to the antibodies supplied by their dam's milk. They were placed in a nursery in which contamination by the ubiquitous rotavirus steadily increased with continuous use causing a progressive increase in the incidence of vomiting, diarrhea, and death among the piglets. A similar syndrome involving an antigenically related rotavirus and analogous management practices occurs in human infants.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lecce, J G -- King, M W -- Dorsey, W E -- New York, N.Y. -- Science. 1978 Feb 17;199(4330):776-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/203032" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn/immunology ; Antibody Formation ; Child, Preschool ; Colostrum/immunology ; Diarrhea/immunology/microbiology/*veterinary ; Diarrhea, Infantile/immunology ; Humans ; Infant ; Rotavirus/immunology ; Swine ; Virus Diseases/immunology/microbiology/*veterinary ; Weaning
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  • 22
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-08-25
    Description: Three techniques have been used to measure human plasma melatonin: bioassay, radioimmunoassay, and gas chromatography--mass spectrometry (GC-MS). GC-MS is theoretically capable of the greatest specificity, but in general suffers from insufficient sensitivity. Negative chemical ionization, a new technique, provides a 150-fold increase in GC-MS sensitivity for electron-capturing compounds. Negative chemical ionization GC-MS permits routine measurement in human plasma of melatonin at a concentration as low as 1 picogram per milliliter.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewy, A J -- Markey, S P -- New York, N.Y. -- Science. 1978 Aug 25;201(4357):741-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/675255" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Anions ; Chromatography, Gas/methods ; Circadian Rhythm ; Female ; Humans ; Male ; Mass Spectrometry/methods ; Melatonin/*blood
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  • 23
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-12-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marshall, E -- New York, N.Y. -- Science. 1978 Dec 1;202(4371):949-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/715452" target="_blank"〉PubMed〈/a〉
    Keywords: *Air Pollutants/toxicity ; Dose-Response Relationship, Drug ; Environmental Exposure ; Government Agencies ; Humans ; Industry ; Ozone/toxicity ; United States
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  • 24
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-08-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Marx, J L -- New York, N.Y. -- Science. 1978 Aug 11;201(4355):515-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/307276" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Carcinogens ; Cell Transformation, Neoplastic ; *Cocarcinogenesis ; Dietary Fats/adverse effects ; Epidermal Growth Factor/metabolism ; Humans ; Neoplasms/*chemically induced ; Ornithine Decarboxylase/metabolism ; Phenobarbital ; Plasminogen Activators/metabolism ; Receptors, Drug/metabolism ; Saccharin ; Smoking/complications ; Tetradecanoylphorbol Acetate
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  • 25
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-12-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maugh, T H 2nd -- New York, N.Y. -- Science. 1978 Dec 22;202(4374):1271-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/725602" target="_blank"〉PubMed〈/a〉
    Keywords: Celiac Disease/diagnosis ; Clinical Laboratory Techniques/*methods ; Diabetes Mellitus, Type 1/diagnosis ; Hair/*analysis ; Humans ; Intellectual Disability/diagnosis ; Research Design ; Trace Elements/*analysis ; Zinc/deficiency
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  • 26
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-08-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maugh, T H 2nd -- New York, N.Y. -- Science. 1978 Aug 18;201(4356):604.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/97783" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Bacterial Vaccines/therapeutic use ; Humans ; Rickettsia rickettsii/*immunology ; Rocky Mountain Spotted Fever/*prevention & control
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  • 27
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-04-21
    Description: Beginning at different ages in their preschool years, groups of chronically undernourished children from Colombian families of low socioeconomic status participated in a program of treatment combining nutritional, health care, and educational features. By school age the gap in cognitive ability between the treated children and a group of privileged children in the same city had narrowed, the effect being greater the younger the children were when they entered the treatment program. The gains were still evident at the end of the first grade in primary school, a year after the experiment had ended.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McKay, H -- Sinisterra, L -- McKay, A -- Gomez, H -- Lloreda, P -- New York, N.Y. -- Science. 1978 Apr 21;200(4339):270-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/635585" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Child ; Child, Preschool ; Cognition/*physiology ; Education ; Environment ; Humans ; Learning Disorders/*prevention & control ; Nutrition Disorders/diet therapy/*physiopathology ; Nutritional Physiological Phenomena ; Socioeconomic Factors ; Time Factors
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  • 28
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-03-31
    Description: delta9-Tetrahydrocannabinol, the most active constituent of marihuana, decreased species-specific attack behavior in mice, rats, and squirrel monkeys at doses (0.25 to 2.0 milligram per kilogram of body weight) that have no effects on other elements of the behavioral repertoire. Aggressive behavior was engendered in all three species by confronting a resident animal with an intruder conspecific. The present results contrast with the widely held belief that marihuana increases aggressive behavior.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Miczek, K A -- New York, N.Y. -- Science. 1978 Mar 31;199(4336):1459-61.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/415367" target="_blank"〉PubMed〈/a〉
    Keywords: Aggression/*drug effects ; Animals ; Behavior, Animal/*drug effects ; Depression, Chemical ; Dose-Response Relationship, Drug ; Dronabinol/*pharmacology ; Female ; Haplorhini ; Humans ; Male ; Mice ; Motor Activity/drug effects ; Rats ; Saimiri ; Territoriality
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  • 29
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-10-20
    Description: Compared with children of school age, infants show ten times the incidence and considerably greater amounts of clinically significant astigmatism. The amount begins to decrease in the second semester of life, and the incidence declines during the third year. The unanticipated results bear on both the etiology and the neural sequelae of astigmatism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mohindra, I -- Held, R -- Gwiazda, J -- Brill, J -- New York, N.Y. -- Science. 1978 Oct 20;202(4365):329-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/694539" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Astigmatism/*epidemiology/etiology/physiopathology ; Humans ; Infant ; Infant, Newborn ; Infant, Newborn, Diseases/epidemiology
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  • 30
    Publication Date: 1978-04-21
    Description: 3-Methoxy-4-hydroxyphenylglycol (MHPG) was measured in lumbar spinal fluid of 20 subjects with hypertension of varied etiology and severity. There was a significant correlation between the concentration of MHPG and the severity of hypertension. However, changes in the concentration of vanillylmandelic acid in the urine of these subjects were insignificant. In six subjects, administration of clonidine or alpha-methyldopa, two centrally acting antihypertensive drugs, was associated with a significant lowering of MHPG concentrations. These data support the hypothesis that central catecholamines are involved in clinical hypertension.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saran, R K -- Sahuja, R C -- Gupta, N N -- Hasan, M -- Bhargava, K P -- Shanker, K -- Kishor, K -- New York, N.Y. -- Science. 1978 Apr 21;200(4339):317-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/635588" target="_blank"〉PubMed〈/a〉
    Keywords: Blood Pressure/drug effects ; Clonidine/pharmacology ; Female ; Glycols/*cerebrospinal fluid ; Humans ; Hypertension/*metabolism ; Male ; Methoxyhydroxyphenylglycol/*cerebrospinal fluid ; Methyldopa/pharmacology ; Vanilmandelic Acid/*urine
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  • 31
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-02-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Silverman, William A -- New York, N.Y. -- Science. 1978 Feb 24;199(4331):840.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11643434" target="_blank"〉PubMed〈/a〉
    Keywords: *Eye Diseases ; *Human Experimentation ; Humans ; *Random Allocation
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  • 32
    Publication Date: 1978-12-22
    Description: Two globin-related clones isolated from collections of bacteriophages containing unfractionated Eco RI fragments of human and mouse DNA were characterized. Charon3AHs51.1Hbgamma includes 2.7 kilobase pairs of human DNA containing a large part of a fetal gamma globin chain structural gene; Charon 3AMm30.5 includes 4.7 kilobase pairs of mouse DNA related to alpha globin. The human fetal gamma globin gene has within its coding region two intervening sequences of noncoding DNA, IVS 1 and IVS 2, of approximately 1-0 and 900 base pairs. Sequence IVS 1 is located at the position of one of the two intervening sequences occurring in adult globin genes; IVS 2 is located at the position of the other.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smithies, O -- Blechl, A E -- Denniston-Thompson, K -- Newell, N -- Richards, J E -- Slightom, J L -- Tucker, P W -- Blattner, F R -- New York, N.Y. -- Science. 1978 Dec 22;202(4374):1284-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/725604" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Codon ; DNA Restriction Enzymes/metabolism ; DNA, Recombinant ; Fetal Hemoglobin/*genetics ; *Genes ; Globins/*genetics ; Humans ; Methods ; Mice ; Nucleic Acid Hybridization ; RNA, Messenger/genetics
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  • 33
    Publication Date: 1978-03-24
    Description: Erythroid colonies, raised from erythroid stem cells circulating in the peripheral blood of normal adult individuals, synthesize considerable amounts of fetal hemoglobin. In cultures from persons with sickling disorders, amounts of hemoglobin F that are known to inhibit sickling in vivo are produced. The results provide evidence that primitive erythroid progenitors are able to express the hemoglobin F production program and that cultures of mononuclear cells of the adult blood can be used to investigate the mechanisms involved in regulation of gamma-globin gene switching.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Papayannopoulou, T -- Nakamoto, B -- Buckley, J -- Kurachi, S -- Nute, P E -- Stamatoyannopoulos, G -- New York, N.Y. -- Science. 1978 Mar 24;199(4335):1349-50.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/628844" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Anemia, Sickle Cell/blood ; Cell Differentiation ; Cells, Cultured ; Fetal Hemoglobin/*biosynthesis ; Hematopoietic Stem Cells/cytology/*metabolism ; Hemoglobin A/biosynthesis ; Hemoglobin, Sickle/biosynthesis ; Humans ; Reticulocytes/metabolism ; Thalassemia/blood
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  • 34
    Publication Date: 1978-09-22
    Description: Binding studies of thyroid hormone to submitochondrial fractions from rat liver suggest that the component responsible for high-affinity, low-capacity (saturable) binding of hormones arises from the inner mitochondrial membrane. The partially purified component, approximately 150,000 daltons, appears to be half protein and half lipid, largely phospholipids, tentatively identified as lecithin, phosphatidyl ethanolamine, and cardiolipin. A similar hormone-binding macromolecule was found in mitochondria from rabbit kidney, from human liver and kidney, and from rat kidney, myocardium, skeletal muscle, intestinal mucosa, whole small intestine, adipose tissue, and lung. It was absent from mitochondria of adult rat brain, spleen, and testis, organs calorigenically unresponsive to thyroid hormones injected in vivo, but was present in mitochondria from brains of rats 12 days old and younger. The organ distribution of the hormone-binding protein and its presence in neonatal brain mitochondria supports the biological relevance of the mitochondrial component as a thyroid hormone receptor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sterling, K -- Lazarus, J H -- Milch, P O -- Sakurada, T -- Brenner, M A -- New York, N.Y. -- Science. 1978 Sep 22;201(4361):1126-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/210507" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Animals, Newborn ; Brain/metabolism/ultrastructure ; Cell Fractionation/methods ; Chromatography, Gel ; *Digitalis Glycosides ; *Digitonin ; Humans ; Kidney/metabolism/ultrastructure ; Male ; Mitochondria/metabolism ; Mitochondria, Liver/analysis/*metabolism ; Mitochondria, Muscle/metabolism ; Rabbits ; Rats ; Receptors, Cell Surface/*isolation & purification/metabolism ; Thyroid Hormones/*metabolism ; Tissue Distribution ; Triiodothyronine/metabolism
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  • 35
    Publication Date: 1978-07-14
    Description: Long-term treatment of rats with haloperidol produced an increased sensitivity to the locomotor and stereotypic effect of apomorphine. This behavioral dopaminergic supersensitivity was accompanied by increased binding of [3H] spiroperidol in the striatum. Rats treated concurrently with lithium and haloperidol failed to develop both behavioral sensitivity to apomorphine and increased striatal dopamine receptor binding. The ability of lighium to prevent recurrent manicdepressive episodes may be related, in part, to its ability to stabilize dopaminergic receptor sensitivity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pert, A -- Rosenblatt, J E -- Sivit, C -- Pert, C B -- Bunney, W E Jr -- New York, N.Y. -- Science. 1978 Jul 14;201(4351):171-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/566468" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Apomorphine/pharmacology ; Corpus Striatum/metabolism ; Haloperidol/pharmacology ; Humans ; Lithium/*pharmacology ; Male ; Rats ; Receptors, Dopamine/*drug effects/metabolism ; Spiperone/metabolism ; Stereotyped Behavior/drug effects ; Time Factors
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  • 36
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-08-18
    Description: In weanling mice treated with pharmacologic doses of aminophylline, the concentrations of adenosine 3',5'-monophosphate and guanosine 3',5'-monophosphate in the brain increased 44 and 36 percent, respectively, and the cerebral metabolic rate was three times that in controls. In neonatal mice, therapeutic doses of aminophylline greatly decreased the rate of anoxic survival in vivo and the duration of gasping of the isolated head. The findings suggest caution in the use of this drug and other methylxanthines in hypoxic human newborns.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thurston, J H -- Hauhard, R E -- Dirgo, J A -- New York, N.Y. -- Science. 1978 Aug 18;201(4356):649-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/209541" target="_blank"〉PubMed〈/a〉
    Keywords: Adenine Nucleotides/metabolism ; Aminophylline/*pharmacology/therapeutic use ; Animals ; Anoxia/physiopathology ; Apnea/drug therapy ; Brain/drug effects/*metabolism ; Cheyne-Stokes Respiration/drug therapy ; Cyclic AMP/metabolism ; Energy Metabolism/*drug effects ; Glucose/metabolism ; Glucosephosphates/metabolism ; Humans ; Infant, Newborn ; Infant, Newborn, Diseases/drug therapy ; Mice
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  • 37
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-06-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Trussell, J -- New York, N.Y. -- Science. 1978 Jun 30;200(4349):1506-13.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/663636" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue/*physiology ; Body Height ; Body Weight ; Female ; Growth ; Humans ; *Menarche
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  • 38
    Publication Date: 1978-07-14
    Description: On 17 May 1954 the Supreme Court, in its decision in Brown v. Board of Education, declared de jure segregation of the public schools to be unconstitutional. It is argued here that a consequence of that decision was a decline in childbearing among white Southerners. In the nation as a whole, period fertility rates increased between 1954 and 1955, but in 9 of the 11 former Confederate states they decreased. Further analysis shows that these Southern fertility decreases began about 12 months after the Supreme Court decision. This variation in behavior in reaction to a historical event has important implications for the explanation and prediction of fertility.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rindfuss, R R -- Reed, J S -- John, C -- New York, N.Y. -- Science. 1978 Jul 14;201(4351):178-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/351806" target="_blank"〉PubMed〈/a〉
    Keywords: *Birth Rate ; *European Continental Ancestry Group ; History, 20th Century ; Human Rights ; Humans ; Legislation as Topic ; Psychology, Social ; *Schools ; *Social Change ; United States
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  • 39
    Publication Date: 1978-06-30
    Description: Free and conjugated [14C]spermidine were measured in plasma samples from normal individuals and cystic fibrosis patients. Within 4 minutes, the 14C-labeled material in the plasma from normal individuals was 70 percent conjugated compared to no detectable conjugation by cystic fibrosis patients. Further, the patients excreted only 11 to 13 percent of the [14C]spermidine in their urine within 72 hours whereas normal excretion was 60 to 76 percent. In both cases, the labeled material was in a conjugated form.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rosenblum, M G -- Durie, B G -- Beckerman, R C -- Taussig, L M -- Russell, D H -- New York, N.Y. -- Science. 1978 Jun 30;200(4349):1496-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/663632" target="_blank"〉PubMed〈/a〉
    Keywords: Cystic Fibrosis/*metabolism ; Humans ; Spermidine/blood/*metabolism/urine
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  • 40
    Publication Date: 1978-11-10
    Description: The kinetics of sickling of malaria-infected red cells from humans with sickle cell trait were studied in vitro in an attempt to obtain direct experimental evidence for a selective advantage of the hemoglobin S heterozygote in a malarious region. The sickling rates of cells infected with Plasmodium falciparum and of non-infected cells were studied both in the total absence of oxygen (by dithionite addition) and at several different concentrations of oxyhemoglobin which might obtain in vivo. In all cases, red cells containing small plasmodium parasite forms (ring forms) sickled approximately eight times as readily as uninfected cells. Cells containing large parasitic forms (trophozoites and schizonts) appeared to sickle less readily than uninfected cells, by light microscopy criteria, but electron micrographs demonstrated the presence of polymerized deoxyhemoglobin S with a high frequency. It is concluded that enhanced sickling of plasmodium-infected AS cells may be one mechanism whereby the hemoglobin S polymorphism is balanced in favor of the heterozygote.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roth, E F Jr -- Friedman, M -- Ueda, Y -- Tellez, I -- Trager, W -- Nagel, R L -- New York, N.Y. -- Science. 1978 Nov 10;202(4368):650-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/360396" target="_blank"〉PubMed〈/a〉
    Keywords: Anemia, Sickle Cell/*parasitology ; Erythrocytes, Abnormal/*parasitology ; Heterozygote ; Humans ; Kinetics ; Malaria/*blood ; Plasmodium falciparum ; Sickle Cell Trait/parasitology
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 41
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-05-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ryan, A J -- New York, N.Y. -- Science. 1978 May 26;200(4344):919-24.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/644334" target="_blank"〉PubMed〈/a〉
    Keywords: Athletic Injuries/prevention & control/rehabilitation/therapy ; Environment ; Forecasting ; Hemodynamics ; Humans ; Muscles/physiology ; Nutritional Physiological Phenomena ; Physical Education and Training ; Physical Endurance/drug effects ; Physical Fitness ; Recreation ; Respiration ; *Sports Medicine/trends ; Superstitions
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  • 42
    Publication Date: 1978-03-31
    Description: In otherwise profoundly akinetic rats that had been severely depleted of brain catecholamines, anticholinergic drugs caused excessive walking. The effect did not appear until 10 days after surgery and then increased with time, suggesting that a phenomenon analogous to denervation supersensitivity may be involved. If the animals walked into corners, they were unable to turn around or back out. Their gait (extremely short steps) was reminiscent of that of patients with Parkinson's disease. The results are consistent with a mutually antagonistic interaction between cholinergic and dopaminergic brain systems and emphasize certain complexities in this interaction.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schallert, T -- Whishaw, I Q -- Ramirez, V D -- Teitelbaum, P -- New York, N.Y. -- Science. 1978 Mar 31;199(4336):1461-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/564552" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atropine/*pharmacology/therapeutic use ; Catalepsy/chemically induced/drug therapy ; Gait ; Humans ; Hydroxydopamines/*pharmacology ; Locomotion/*drug effects ; Male ; Rats
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  • 43
    Publication Date: 1978-08-04
    Description: We used an assay in vitro to investigate the possible role of streptococcal adherence to human pharyngeal cells in the pathogenesis of acute rheumatic fever. There was no difference in adherence of rheumatic fever-associated and non-associated strains of group A streptococci to pooled pharyngeal cells of normal people. Likewise, streptococci not associated with rheumatic fever adhered equally well to cells taken from normal people and from patients with rheumatic heart disease. However, the pharyngeal cells of all nine rheumatic heart disease patients tested had increased avidity for adherence for a rheumatic fever-associated strain of streptococcus compared to the pharyngeal cells obtained from age- and sex-matched controls. Increased streptococcal adherence to pharyngeal cells of rheumatic fever-prone patients may play a role in the pathogenesis of rheumatic fever.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Selinger, D S -- Julie, N -- Reed, W P -- Williams, R C Jr -- New York, N.Y. -- Science. 1978 Aug 4;201(4354):455-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/351810" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Female ; Humans ; Male ; Middle Aged ; Pharyngeal Diseases/complications/microbiology ; Pharynx/*microbiology ; Rheumatic Fever/*etiology/microbiology ; Streptococcus pyogenes/*physiology
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  • 44
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-08-18
    Description: Both a complex tone perceived as a 365-hertz "missing fundamental" and a 365-hertz pure tone evoked 365-hertz far-field frequency-following responses. Narrow-band masking noise centered at 365 hertz attenuated the responses to the pure tone but not to the complex tone. Results support the concept that perception of the missing fundamental is based on periodic neural activity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Smith, J C -- Marsh, J T -- Greenberg, S -- Brown, W S -- New York, N.Y. -- Science. 1978 Aug 18;201(4356):639-41.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/675250" target="_blank"〉PubMed〈/a〉
    Keywords: Auditory Pathways/*physiology ; Evoked Potentials ; Humans ; Inferior Colliculi/*physiology ; Periodicity ; Pitch Discrimination/*physiology
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  • 45
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-10-13
    Description: Response saturation of blue-sensitive cone pathways was studied by measuring increment thresholds for violet test flashes on flashed violet fields in the presence of a steady yellow "auxiliary" field of constant radiance. Adding intense yellow field flashes to the violet field flash could eliminate or reduce response saturation (greatly reduce threshold), whereas "negative" yellow field flashes drove the mechanism to further saturation. The response saturation is thus not, in general, controlled exclusively by independent blue-sensitive cones but by spectrally opponent mechanisms that receive opposite-signed signals from blue-sensitive cones and from green-or red-sensitive cones. These results add to a growing number of studies that demonstrate that detection of signals from blue-sensitive cones is largely through a color-opponent pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Stromeyer, C F 3rd -- Kronauer, R E -- Madsen, J C -- New York, N.Y. -- Science. 1978 Oct 13;202(4364):217-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/694527" target="_blank"〉PubMed〈/a〉
    Keywords: Action Potentials ; Color Perception/*physiology ; Humans ; Photoreceptor Cells/*physiology ; *Vision, Ocular
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  • 46
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-04-28
    Description: Mice treated with 6-hydroxydopamine before they were chronically fed phenobarbital did not develop functional barbiturate tolerance, measured by duration of the loss of righting reflex and hypothermia. Injection of 6-hydroxydopamine caused significant depletion of brain norepinephrine, while brain dopamine levels were not significantly depleted. Intact brain noradrenergic systems seem to be necessary for developing tolerance to the hypnotic and hypothermic effects of the barbiturates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tabakoff, B -- Yanai, J -- Ritzmann, R F -- New York, N.Y. -- Science. 1978 Apr 28;200(4340):449-51.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/565533" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior, Animal/drug effects ; Body Temperature Regulation/drug effects ; Brain/*drug effects ; Drug Tolerance ; Humans ; Hydroxydopamines/pharmacology ; Male ; Mice ; Norepinephrine/*metabolism ; Phenobarbital/*pharmacology ; Reflex/drug effects ; Substance Withdrawal Syndrome/physiopathology ; Substance-Related Disorders/physiopathology ; Sympathetic Nervous System/drug effects
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  • 47
    Publication Date: 1978-06-30
    Description: Studies of nitrate balance in humans and analyses of fecal and ileostomy samples indicate that nitrite and nitrate are formed de novo in the intestine, possibly by heterotrophic nitrification. These findings significantly alter our previous conceptions of human exposure to nitrite and suggest an even wider role for nitrite in the etiology of human cancer.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tannenbaum, S R -- Fett, D -- Young, V R -- Land, P D -- Bruce, W R -- New York, N.Y. -- Science. 1978 Jun 30;200(4349):1487-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/663630" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Aged ; Dietary Proteins/metabolism ; Feces/metabolism ; Humans ; Ileostomy ; Intestines/*metabolism ; Male ; Nitrates/*metabolism/urine ; Nitrites/*metabolism
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  • 48
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1978-09-01
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thompson, F H -- New York, N.Y. -- Science. 1978 Sep 1;201(4358):842.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/567373" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Genes ; Humans ; Isoantigens/*genetics ; Male ; X Chromosome ; Y Chromosome
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  • 49