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  • Life and Medical Sciences  (63)
  • Humans  (34)
  • 1980-1984  (97)
  • 1975-1979
  • 1982  (97)
  • 1
    Electronic Resource
    Electronic Resource
    Sequence analysis and in vitro transcription of portions of the epstein-barr virus genome (1982)
    New York, N.Y. : Wiley-Blackwell
    Journal of Cellular Biochemistry 19 (1982), S. 267-274 
    Details
    ISSN: 0730-2312
    Keywords: DNA sequence ; repeated sequences ; in vitro transcription ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: The 17,180 base-pair Eco-RI-C fragment of Epstein-Barr virus has been sequenced in its entirety. This same fragment has also been analyzed for RNA polymerase II promoters, which are active in a soluble in vitro assay. These data are compared to the availability of predicted open reading frames and other potential nucleotide signals associated with transcription. In addition, the DNA sequence of a number of previously undetected repeated DNA sequences from this and several nearby regions of the viral genome are reported.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcb.240190308
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  • 2
    Electronic Resource
    Electronic Resource
    Circular DNA in human and boar spermatozoa (1982)
    New York, NY : Wiley-Blackwell
    Gamete Research 5 (1982), S. 379-393 
    Details
    ISSN: 0148-7280
    Keywords: circular DNA ; spermatozoa ; human ; boar ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: Circular DNA molecules were isolated from human and boar whole spermatozoa or spermatozoal nuclei and measured for size by electron microscopy. The DNA molecules derived from both mammals were heterogeneous in size ranging from 0.07 to 17 μm; nearly 75% of the molecules were ≤0.5 μm in length. The mean lengths were 1.0 μm and 1.5 μm for circular DNAs isolated from human and boar spermatozoa, respectively. The origin and function of these molecules remains unknown.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mrd.1120050408
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  • 3
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    Benzodiazepine receptor-mediated experimental "anxiety" in primates (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-12-24
    Description: The ethyl ester of beta-carboline-3-carboxylic acid has a high affinity for benzodiazepine receptors in the brain. In the rhesus monkey this substance produces an acute behavioral syndrome characterized by dramatic elevations in heart rate, blood pressure, plasma cortisol, and catecholamines. The effects are blocked by benzodiazepines and the specific benzodiazepine receptor antagonist Ro 15-1788. The benzodiazepine receptor may consist of several subsites or functional domains that independently recognize agonist, antagonists, or "active" antagonists such as beta-carboline-3-carboxylic acid ethyl ester. These results suggest that the benzodiazepine receptor is involved in both the affective and physiological manifestations of anxiety, and that the administration of beta-carboxylic acid ethyl ester to monkeys may provide a reliable and reproducible animal model of human anxiety.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ninan, P T -- Insel, T M -- Cohen, R M -- Cook, J M -- Skolnick, P -- Paul, S M -- New York, N.Y. -- Science. 1982 Dec 24;218(4579):1332-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6293059" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Anxiety/*etiology ; Benzodiazepinones ; Blood Pressure/drug effects ; Carbolines/pharmacology ; *Disease Models, Animal ; Epinephrine/pharmacology ; Flumazenil ; Heart Rate/*drug effects ; Humans ; Hydrocortisone/blood ; Macaca mulatta ; Male ; Norepinephrine/pharmacology ; Receptors, Drug/*physiology ; Receptors, GABA-A
    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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  • 4
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    Simulating amnesic symptoms in normal subjects (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-12-17
    Description: Patients with organic brain damage resulting in anterograde amnesia cannot recall a list of words, but when given the first three letters of each word, they complete these word stems with words from the list. We simulated this phenomenon in normal subjects who examined the list words for vowels while ignoring their semantic component. The subjects produced the list words when completing the word stems although they could not recall the words.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Graf, P -- Mandler, G -- Haden, P E -- New York, N.Y. -- Science. 1982 Dec 17;218(4578):1243-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7146909" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Amnesia/*physiopathology ; Humans ; Memory/*physiology ; Mental Recall/physiology ; Models, Biological
    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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  • 5
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    Growth hormone-releasing factor from a human pancreatic tumor that caused acromegaly (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-11-05
    Description: A 44 amino acid peptide with growth hormone-releasing activity has been isolated from a human tumor of the pancreas that had caused acromegaly. The primary structure of the tumor-derived peptide is H-Tyr-Ala-Asp-Ala-Ile-Phe-Thr-Asn-Ser-Tyr-Arg-Lys-Val-Leu-Gly-Gln-Leu-Ser-Ala- Arg-Lys-Leu-Leu-Gln-Asp-Ile-Met-Ser-Arg-Gln-Gln-Gly-Glu-Ser-Asn-Gln-Glu-Arg-Gly -Ala-Arg-Ala-Arg-Leu-NH2. The synthetic replicate has full biological activity in vitro and in vivo specifically to stimulate the secretion of immunoreactive growth hormone. The tumor-derived peptide is identical in biological activity and similar in physiochemical properties to the still uncharacterized growth hormone-releasing factor present in extracts of hypothalamic tissues.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guillemin, R -- Brazeau, P -- Bohlen, P -- Esch, F -- Ling, N -- Wehrenberg, W B -- AM-18811/AM/NIADDK NIH HHS/ -- HD-09690/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1982 Nov 5;218(4572):585-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6812220" target="_blank"〉PubMed〈/a〉
    Keywords: Acromegaly/*physiopathology ; Amino Acid Sequence ; Biological Assay ; Growth Hormone-Releasing Hormone/chemical synthesis/*isolation & purification ; Hormones, Ectopic/*isolation & purification ; Humans ; Pancreatic Neoplasms/*chemistry
    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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  • 6
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    Schizophrenia: dopamine beta-hydroxylase activity and treatment response (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-06-25
    Description: Cerebrospinal fluid levels of dopamine beta-hydroxylase, found to be relatively constant over time in individual patients, were significantly lower in schizophrenic patients who became nonpsychotic during neuroleptic treatment than in those who remained psychotic. Dopamine beta-hydroxylase activity may delineate a subgroup of patients who have a dopamine-sensitive brain disorder.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sternberg, D E -- VanKammen, D P -- Lerner, P -- Bunney, W E -- New York, N.Y. -- Science. 1982 Jun 25;216(4553):1423-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6124036" target="_blank"〉PubMed〈/a〉
    Keywords: Antipsychotic Agents/therapeutic use ; Disulfiram/pharmacology ; Dopamine beta-Hydroxylase/*cerebrospinal fluid/metabolism ; Fusaric Acid/pharmacology ; Humans ; Levodopa/adverse effects ; Schizophrenia/*enzymology
    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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  • 7
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    Transmission of Oropouche virus from man to hamster by the midge Culicoides paraensis (1982)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1982-03-05
    Description: Oropouche virus (arbovirus family Bunyaviridae, Simbu serological group) was experimentally transmitted from man to hamster by the bite of the midge Culicoides paraensis. Infection rates and transmission rates were determined after the midge had engorged on patients with viremia. The threshold titer necessary to enable infection or transmission by the midges was approximately 5.3 log10 of the median lethal dose of the virus in suckling mice per milliliter of blood. Transmission was achieved 6 to 12 days after C. paraensis had taken the infective blood meal. This represents conclusive evidence of transmission of an arbovirus of public health importance to man by a member of the Ceratopogonidae family.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pinheiro, F P -- Travassos da Rosa, A P -- Gomes, M L -- LeDuc, J W -- Hoch, A L -- New York, N.Y. -- Science. 1982 Mar 5;215(4537):1251-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/6800036" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bunyaviridae/*physiology ; Bunyaviridae Infections/*transmission ; Ceratopogonidae/*microbiology ; Cricetinae ; Disease Models, Animal ; Humans ; Insect Vectors/*microbiology ; Simbu virus/*physiology
    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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  • 8
    Electronic Resource
    Electronic Resource
    The ultrastructure of spermatogenesis in Labidocera aestiva (copepoda: Calanoida) (1982)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 174 (1982), S. 1-15 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The fine structure of spermatogenesis is described for the marine calanoid copepod Labidocera aestiva. The mature spermatozoon is a slightly flattened, disc-shaped cell without a flagellum or an acrosome.Primary spermatocytes in first meiotic prophase are characterized by large nuclei showing progressive condensation of chromatin. The cytoplasm contains free ribosomes, numerous mitochondria, cytoplasmic vesicles, centrioles, and perinuclear nuage. Densely staining cisternae are associated with the nuage of pachytene and diplotene primary spermatocytes. This association may represent the temporary differentiation of an acrosome. Synaptonemal polycomplexes are frequently present in the nuclei of zygotene, pachytene, and diplotene primary spermatocytes. Many of the intercellular bridges which join the germ cells throughout spermatogenesis appear occluded by systems of transverse membranous cisternae. After the second meiotic telophase, spermatids are incorporated into nongerminal accessory cells that may facilitate the release of spermatids from the testis and regulate the rate of spermatogenesis by phagocytosis.During spermiogenesis the mitochondria become closely applied to the nuclear envelope, the nuclear envelope fragments and forms an elaborate membrane complex, a pentalaminar plasma membrane develops, and electron-dense material accumulates on the inner and outer surfaces of the plasma membrane in the mature spermatozoon.
    Additional Material: 29 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051740102
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  • 9
    Electronic Resource
    Electronic Resource
    The structure of the head kidney in the mudskipper, Periophthalmus koelreuteri (pallas) (1982)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 174 (1982), S. 121-131 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The head kidneys of adult Periophthalamus koelreuteri contain many functional glomerular nephorns which on the basis of this histochemical study, are indistinguishable from those of the typical opistonephros of marine teleosts. The anterior lobes resemble, in location and in the presence of intertubular erythropoeitic tissue, the pronephros in other species. The single nephron found there, however, does not differ significantly from the other nephrons of the head kidney. It is suggested, therefore, that the nephrons of the head kidney in this species are opisthonephric in origin.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051740109
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  • 10
    Electronic Resource
    Electronic Resource
    Histology and histochemistry of the parotid and the principal and accessory submandibular glands of the little brown bat (1982)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 172 (1982), S. 271-285 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The parotid and the principal and accessory submandibular glands of the little brown bat, Myotis lucifugus (Vespertilionidae), were examined using light microscopy and staining methods for mucosubstances. The parotid gland is a compound tubuloacinar seromucous gland. Parotid gland secretory cells contain both neutral and nonsulfated acidic mucosubstances. The principal and accessory submandibular glands are compound tubuloacinar mucus-secreting glands. They contain somewhat atypical mucus-secreting demilunar cells that often appear to be interspersed between mucous tubule cells. The mucous tubule cells in both the principal and accessory submandibular glands contain sulfomucins. Demilunar cells of the principal submandibular gland contain moderate amounts of nonsulfated acidic mucosubstances, but the corresponding cells of the accessory submandibular gland contain considerable neutral mucosubstance with very little acid mucosubstance. Intercalated ducts composed of cuboidal or low columnar epithelial cells are present in all three glands. Striated ducts in all glands are composed of columnar cells whose apices bulge into the ductal lumina. Excretory ducts are composed of simple columnar epithelium, with occasional basal cells that suggest a possible pseudostratified nature. The cells of the excretory ducts also have bulging apices. All duct types contain apical cytoplasmic secretory material that is a periodic acid-Schiff positive, neutral mucosubstance. Ductal apical secretory material is more evident in intercalated and striated ducts than in excretory ducts.
    Additional Material: 25 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051720303
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