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  • Animals  (79)
  • American Association for the Advancement of Science (AAAS)  (79)
  • 1985-1989  (79)
  • 1985  (79)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (79)
Years
  • 1985-1989  (79)
Year
  • 1
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    Recombinant human tumor necrosis factor-alpha: effects on proliferation of normal and transformed cells in vitro (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-22
    Description: Modulation of the growth of human and murine cell lines in vitro by recombinant human tumor necrosis factor-alpha (rTNF-alpha) and recombinant human interferon-gamma (rIFN-gamma) was investigated. rTNF-alpha had cytostatic or cytolytic effects on only some tumor cell lines. When administered together with rIFN-gamma, rTNF-alpha showed enhanced antiproliferative effects on a subset of the cell lines tested. In contrast to its effects on sensitive tumor cells, rTNF-alpha augmented the growth of normal diploid fibroblasts. Variations in the proliferative response induced by rTNF-alpha were apparently not due to differences in either the number of binding sites per cell or their affinity for rTNF-alpha. These observations indicate that the effects of rTNF-alpha on cell growth are not limited to tumor cells, but rather that this protein may have a broad spectrum of activities in vivo.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sugarman, B J -- Aggarwal, B B -- Hass, P E -- Figari, I S -- Palladino, M A Jr -- Shepard, H M -- New York, N.Y. -- Science. 1985 Nov 22;230(4728):943-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3933111" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Division/*drug effects ; Cell Line ; Cell Survival/drug effects ; Cell Transformation, Neoplastic/pathology ; Drug Synergism ; Glycoproteins/*pharmacology ; Humans ; Interferon-gamma/pharmacology ; Mice ; Recombinant Proteins/*pharmacology ; Tumor Necrosis Factor-alpha
    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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    Peroxisomal defects in neonatal-onset and X-linked adrenoleukodystrophies (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-01-04
    Description: Accumulation of very long chain fatty acids in X-linked and neonatal forms of adrenoleukodystrophy (ALD) appears to be a consequence of deficient peroxisomal oxidation of very long chain fatty acids. Peroxisomes were readily identified in liver biopsies taken from a patient having the X-linked disorder. However, in liver biopsies from a patient having neonatal-onset ALD, hepatocellular peroxisomes were greatly reduced in size and number, and sedimentable catalase was markedly diminished. The presence of increased concentrations of serum pipecolic acid and the bile acid intermediate, trihydroxycoprostanic acid, in the neonatal ALD patient are associated with a generalized diminution of peroxisomal activities that was not observed in the patient with X-linked ALD.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldfischer, S -- Collins, J -- Rapin, I -- Coltoff-Schiller, B -- Chang, C H -- Nigro, M -- Black, V H -- Javitt, N B -- Moser, H W -- Lazarow, P B -- AG-01468/AG/NIA NIH HHS/ -- AM-17702/AM/NIADDK NIH HHS/ -- N5-03356/PHS HHS/ -- etc. -- New York, N.Y. -- Science. 1985 Jan 4;227(4682):67-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3964959" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenoleukodystrophy/genetics/metabolism/*pathology ; Adult ; Animals ; Bile Acids and Salts/metabolism ; Catalase/metabolism ; Child ; Child, Preschool ; Diffuse Cerebral Sclerosis of Schilder/*pathology ; Female ; Humans ; Liver/pathology ; Male ; Microbodies/*pathology ; Oxidation-Reduction ; Pipecolic Acids/blood ; Rats ; *X Chromosome
    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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  • 3
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    Dissociation of antitumor potency from anthracycline cardiotoxicity in a doxorubicin analog (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-06-28
    Description: The search for new congeners of the leading anticancer drug doxorubicin has led to an analog that is approximately 1000 times more potent, noncardiotoxic at therapeutic dose levels, and non-cross-resistant with doxorubicin. The new anthracycline, 3'-deamino-3'-(3-cyano-4-morpholinyl)doxorubicin (MRA-CN), is produced by incorporation of the 3' amino group of doxorubicin in a new cyanomorpholinyl ring. The marked increase in potency was observed against human ovarian and breast carcinomas in vitro; it was not accompanied by an increase in cardiotoxicity in fetal mouse heart cultures. Doxorubicin and MRA-CN both produced typical cardiac ultrastructural and biochemical changes, but at equimolar concentrations. In addition, MRA-CN was not cross-resistant with doxorubicin in a variant of the human sarcoma cell line MES-SA selected for resistance to doxorubicin. Thus antitumor efficacy was dissociated from both cardiotoxicity and cross-resistance by this modification of anthracycline structure.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sikic, B I -- Ehsan, M N -- Harker, W G -- Friend, N F -- Brown, B W -- Newman, R A -- Hacker, M P -- Acton, E M -- CA 24543/CA/NCI NIH HHS/ -- CA 32250/CA/NCI NIH HHS/ -- CA 33303/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1985 Jun 28;228(4707):1544-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4012308" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Antineoplastic Agents ; Breast Neoplasms/drug therapy ; Cell Line ; Chemical Phenomena ; Chemistry ; Dose-Response Relationship, Drug ; Doxorubicin/adverse effects/*analogs & derivatives/therapeutic use ; Female ; Heart/drug effects ; Humans ; Isoenzymes ; L-Lactate Dehydrogenase/analysis ; Mice ; Myocardium/enzymology ; Ovarian Neoplasms/drug therapy ; Pregnancy
    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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  • 4
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    Protection against lethal hyperoxia by tracheal insufflation of erythrocytes: role of red cell glutathione (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-02-15
    Description: Intact erythrocytes placed into the tracheobronchial tree of hyperoxic rats dramatically improved their chances for survival. Over 70 percent of the animals so treated survived more than 12 days during continuous exposure to 95 percent oxygen, whereas all of the control animals died within 96 hours. Lungs from erythrocyte-protected rats showed almost none of the morphologic damage suffered by untreated animals. Erythrocytes containing cyanomethemoglobin were as beneficial as normal erythrocytes, but cells in which glutathione was partially blocked were significantly less protective. Analogous results were obtained in vitro: 51Cr-labeled target cells released 70 to 90 percent of their label when exposed briefly to hydrogen peroxide or to toxic oxygen species generated by phorbol ester-stimulated neutrophils. Addition of intact erythrocytes decreased release by approximately 75 percent, but significantly less than this if red blood cell glutathione was partially blocked. These results suggest that insufflated erythrocytes, through their recyclable glutathione, protect rats from toxic oxygen species engendered by hyperoxia.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van Asbeck, B S -- Hoidal, J -- Vercellotti, G M -- Schwartz, B A -- Moldow, C F -- Jacob, H S -- HL 19725/HL/NHLBI NIH HHS/ -- HL07062/HL/NHLBI NIH HHS/ -- HL28935/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1985 Feb 15;227(4688):756-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2982213" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Erythrocyte Transfusion ; Glutathione/*administration & dosage/blood ; Lung/*drug effects ; Male ; Oxygen/*toxicity ; Rats ; Superoxides/toxicity ; Trachea
    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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  • 5
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    Experimental leprosy in three species of monkeys (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-02-01
    Description: Eleven mangabey monkeys inoculated with Mycobacterium leprae developed lepromatous-type leprosy. Nine of the mangabeys were inoculated with M. leprae isolated from a mangabey with naturally acquired lepromatous leprosy. Immune function was depressed in some of these animals after dissemination of the disease. Two mangabeys developed lepromatous leprosy after inoculation with human M. leprae passaged in an armadillo. Three rhesus and three African green monkeys inoculated with mangabey-derived M. leprae also developed lepromatous leprosy. Mangabeys may be the first reported nonhuman primate model for the study of leprosy. Rhesus and African green monkeys may also prove to be reproducibly susceptible to the disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wolf, R H -- Gormus, B J -- Martin, L N -- Baskin, G B -- Walsh, G P -- Meyers, W M -- Binford, C H -- 5R-22-AI-19302/AI/NIAID NIH HHS/ -- RR-00164/RR/NCRR NIH HHS/ -- New York, N.Y. -- Science. 1985 Feb 1;227(4686):529-31.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3917577" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibodies, Bacterial/analysis ; Cercopithecidae ; Cercopithecus aethiops ; *Disease Models, Animal ; Disease Susceptibility ; Female ; *Haplorhini ; *Leprosy/immunology/pathology/transmission ; Lymphocyte Activation ; Macaca mulatta ; Male ; Mycobacterium leprae/immunology ; Saimiri ; Species Specificity
    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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  • 6
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    Transformation of human bronchial epithelial cells transfected by Harvey ras oncogene (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-03-08
    Description: Transfection of normal human bronchial epithelial (NHBE) cells with a plasmid carrying the ras oncogene of Harvey murine sarcoma virus (v-Ha ras) changed the growth requirements, terminal differentiation, and tumorigenicity of the recipient cells. One of the cell lines isolated after transfection (TBE-1) was studied extensively and shown to contain v-Ha ras DNA. Total cellular RNA from TBE-1 cells hybridized to v-Ha ras structural gene fragment probes five to eight times more than RNA from parental NHBE cells. The TBE-1 cells expressed phosphorylated v-Ha ras polypeptide p21, showed a reduced requirement for growth-factor supplements, and became aneuploid as an early cellular response to v-Ha ras expression. As the transfectants acquire an indefinite life-span and anchorage independence they became transplantable tumor cells and showed many phenotypic changes suggesting a pleiotropic mechanism for the role of Ha ras in human carcinogenesis.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yoakum, G H -- Lechner, J F -- Gabrielson, E W -- Korba, B E -- Malan-Shibley, L -- Willey, J C -- Valerio, M G -- Shamsuddin, A M -- Trump, B F -- Harris, C C -- New York, N.Y. -- Science. 1985 Mar 8;227(4691):1174-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3975607" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bronchi/*cytology/microbiology ; Carcinoma, Bronchogenic/genetics ; Cell Line ; Cell Transformation, Neoplastic/metabolism ; *Cell Transformation, Viral ; Culture Media ; DNA, Neoplasm/genetics ; Epithelial Cells ; Epithelium/microbiology ; Humans ; Lung Neoplasms/genetics ; Mice ; Mice, Nude ; Nucleic Acid Hybridization ; *Oncogenes ; Rats ; *Transfection
    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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  • 7
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    The role of macrophages in particle translocation from lungs to lymph nodes (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-12-13
    Description: Red fluorescent and green fluorescent microspheres were instilled into separate but adjacent areas of dog lung lobes. After 7 days, the tracheobronchial lymph nodes that drained both of the instilled areas contained many macrophages with all red or all green microspheres but rarely both. This indicates that the particles did not translocate passively and that lung macrophages phagocytized the microspheres in the lung and carried them to the tracheobronchial lymph nodes. In addition, two populations of pulmonary alveolar macrophages (PAM's), one that had phagocytized red microspheres in vivo and one that had phagocytized green microspheres, were lavaged from the lungs of dogs, mixed into one population, and instilled back into a previously unexposed lung lobe of the same dogs. As in the first experiment, the tracheobronchial lymph nodes that drained the instilled area contained numerous macrophages with either all red or all green microspheres. This suggested that the instilled PAM's had migrated to the tracheobronchial lymph nodes. Thus, lung macrophages, including PAM's probably play a critical role in the induction of lung immunity and in protection from disease by determining particle translocation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harmsen, A G -- Muggenburg, B A -- Snipes, M B -- Bice, D E -- New York, N.Y. -- Science. 1985 Dec 13;230(4731):1277-80.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/4071052" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Transport ; Dogs ; Lung/cytology/immunology/*physiology ; Lymph Nodes/*cytology ; Macrophages/*physiology ; Microspheres
    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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  • 8
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    Enhanced immunogenicity of the pre-S region of hepatitis B surface antigen (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-06-07
    Description: The 55 codons upstream of the gene sequence encoding the hepatitis B surface antigen (HBsAg) are called the pre-S(2) region. It has been proposed that polypeptides of high molecular weight that contain the pre-S(2) region should be included in future hepatitis B virus (HBV) vaccines. The pre-S(2) region and the S gene product [25 kilodalton (kD)] together compose a polypeptide of high molecular weight (33 kD). As an initial attempt to determine the relevance of the 33-kD polypeptide to development of an HBV vaccine, the murine immune response to pre-S(2)-encoded determinants as compared to S-encoded determinants on the same polypeptide was examined. The results indicate (i) the pre-S(2) region is significantly more immunogenic than the S region of HBsAg, (ii) the 26 amino acid residues at the NH2-terminus of the 33-kD polypeptide represent a dominant antibody binding site on the pre-S(2) region, (iii) the immune response to the pre-S(2) region is regulated by H-2-linked genes distinct from those that regulate the response to the S region, and (iv) immunization of an S region nonresponder strain with HBV envelope particles that contain both the pre-S(2) and S regions can circumvent nonresponsiveness to the S region.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Milich, D R -- Thornton, G B -- Neurath, A R -- Kent, S B -- Michel, M L -- Tiollais, P -- Chisari, F V -- AI 00585/AI/NIAID NIH HHS/ -- AI 20001/AI/NIAID NIH HHS/ -- AI 20720/AI/NIAID NIH HHS/ -- New York, N.Y. -- Science. 1985 Jun 7;228(4704):1195-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2408336" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Antibody Formation ; Antibody Specificity ; Epitopes ; Genes, MHC Class II ; Genes, Viral ; Hepatitis B Antibodies/immunology ; Hepatitis B Surface Antigens/genetics/*immunology ; Mice ; Molecular Weight ; Protein Precursors/genetics/immunology ; Viral Hepatitis Vaccines/*immunology ; Viral Proteins/genetics/immunology
    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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  • 9
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    Hypertension and sodium salts (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-04-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liebman, B F -- Langford, H G -- Whitescarver, S A -- Ott, C E -- Jackson, B -- Kurtz, T W -- Morris, R C Jr -- New York, N.Y. -- Science. 1985 Apr 19;228(4697):351-3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3983634" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blood Pressure/drug effects ; Chlorides/metabolism ; Diet ; Humans ; Hypertension/*etiology ; Rats ; Rats, Inbred SHR ; Sodium/*metabolism ; Sodium Chloride/metabolism
    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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  • 10
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    Chromosomal locations of human tissue plasminogen activator and urokinase genes (1985)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1985-11-08
    Description: A panel of human-mouse somatic cell hybrids and specific complementary DNA probes were used to map the human tissue plasminogen activator and urokinase genes to human chromosomes 8 and 10, respectively. This result is in contrast to a previous assignment of a plasminogen activator gene to chromosome 6. As neoplastic cells produce high levels of plasminogen activator, it is of interest that aberrations of chromosome 8 have been linked to various leukemias and lymphomas and that two human oncogenes, c-mos and c-myc, have also been mapped to chromosome 8.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rajput, B -- Degen, S F -- Reich, E -- Waller, E K -- Axelrod, J -- Eddy, R L -- Shows, T B -- GM20454/GM/NIGMS NIH HHS/ -- HD05196/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1985 Nov 8;230(4726):672-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3840278" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Chromosomes, Human, 6-12 and X ; DNA/genetics ; Genes ; Humans ; Hybrid Cells ; Leukemia/genetics ; Lymphoma/genetics ; Mice ; Nucleic Acid Hybridization ; Oncogenes ; Plasminogen Activators/*genetics ; Urokinase-Type Plasminogen Activator/*genetics
    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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