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  • Female  (19)
  • American Association for the Advancement of Science (AAAS)  (19)
  • Blackwell Publishing Ltd
  • 1985-1989  (19)
  • 1915-1919
  • 1910-1914
  • 1989  (19)
Collection
Keywords
Publisher
  • American Association for the Advancement of Science (AAAS)  (19)
  • Blackwell Publishing Ltd
Years
  • 1985-1989  (19)
  • 1915-1919
  • 1910-1914
Year
  • 1
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    Nutritional importance of pyrroloquinoline quinone (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-08-25
    Description: Mice fed a chemically defined diet devoid of pyrroloquinoline quinone (PQQ) grew poorly, failed to reproduce, and became osteolathyritic. Moreover, severely affected mice had friable skin, skin collagen that was readily extractable into neutral salt solutions, and decreased lysyl oxidase. The identification of functional defects in connective tissue and the growth retardation associated with PQQ deprivation suggest that PQQ plays a fundamental role as a growth factor or vitamin.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Killgore, J -- Smidt, C -- Duich, L -- Romero-Chapman, N -- Tinker, D -- Reiser, K -- Melko, M -- Hyde, D -- Rucker, R B -- AM-35747/AM/NIADDK NIH HHS/ -- HL-15965/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Aug 25;245(4920):850-2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Nutrition, School of Agricultural and Environmental Sciences, University of California, Davis 95616.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2549636" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Coenzymes/*physiology ; Collagen/metabolism ; Female ; Growth Substances/physiology ; Mice ; Nutritional Physiological Phenomena ; PQQ Cofactor ; Quinolones/deficiency/*physiology ; Skin/metabolism
    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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    Identification of the molecular defect in a family with spondyloepiphyseal dysplasia (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-26
    Description: Spondyloepiphyseal dysplasias (SED) are a heterogeneous group of inherited disorders characterized by disproportionate short stature and pleiotropic involvement of the skeletal and ocular systems. Evidence has suggested that SED may result from structural defects in type II collagen. To confirm the validity of this hypothesis, the structure of the "candidate" type II collagen gene (COL2A1) has been directly examined in a relatively large SED family. Coarse scanning of the gene by Southern blot hybridization identified an abnormal restriction pattern in one of the affected members of the kindred. Analysis of selected genomic fragments, amplified by the polymerase chain reaction, precisely localized the molecular defect and demonstrated that all affected family members carried the same heterozygous single-exon deletion. As a consequence of the mutation, nearly 90 percent of the assembled type II collagen homotrimers are expected to contain one or more procollagen subunits harboring an interstitial deletion of 36 amino acids in the triple helical domain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lee, B -- Vissing, H -- Ramirez, F -- Rogers, D -- Rimoin, D -- AR-38648/AR/NIAMS NIH HHS/ -- HD-22657/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1989 May 26;244(4907):978-80.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology and Immunology, State University of New York Health Science Center, Brooklyn 11203.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2543071" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; Child, Preschool ; Chromosome Deletion ; Collagen/*genetics ; DNA Restriction Enzymes ; DNA-Directed DNA Polymerase ; Exons ; Female ; Gene Amplification ; Humans ; Macromolecular Substances ; Male ; Molecular Sequence Data ; Mutation ; Nucleic Acid Hybridization ; Osteochondrodysplasias/*genetics ; Pedigree ; Procollagen/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Genetic engineering of livestock (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-06-16
    Description: Genetic engineering of livestock is expected to have a major effect on the agricultural industry. However, accurate assessment of the consequences of transgene expression is impossible without multigenerational studies. A systematic study of the beneficial and adverse consequences of long-term elevations in the plasma levels of bovine growth hormone (bGH) was conducted on two lines of transgenic pigs. Two successive generations of pigs expressing the bGH gene showed significant improvements in both daily weight gain and feed efficiency and exhibited changes in carcass composition that included a marked reduction in subcutaneous fat. However, long-term elevation of bGH was generally detrimental to health: the pigs had a high incidence of gastric ulcers, arthritis, cardiomegaly, dermatitis, and renal disease. The ability to produce pigs exhibiting only the beneficial, growth-promoting effects of growth hormone by a transgenic approach may require better control of transgene expression, a different genetic background, or a modified husbandry regimen.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pursel, V G -- Pinkert, C A -- Miller, K F -- Bolt, D J -- Campbell, R G -- Palmiter, R D -- Brinster, R L -- Hammer, R E -- HD-09172/HD/NICHD NIH HHS/ -- HD-19018/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1989 Jun 16;244(4910):1281-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉U.S. Department of Agriculture, Beltsville, MD 20705.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2499927" target="_blank"〉PubMed〈/a〉
    Keywords: Agriculture ; Animals ; Animals, Domestic/*genetics/growth & development ; *Animals, Genetically Modified ; Body Weight ; Female ; *Genetic Engineering ; Growth Hormone/genetics ; Growth Hormone-Releasing Hormone/genetics ; Insulin-Like Growth Factor I/genetics ; Mice ; Organ Size ; Swine/genetics/growth & development ; *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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  • 4
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    Studies of the HER-2/neu proto-oncogene in human breast and ovarian cancer (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-05-12
    Description: Carcinoma of the breast and ovary account for one-third of all cancers occurring in women and together are responsible for approximately one-quarter of cancer-related deaths in females. The HER-2/neu proto-oncogene is amplified in 25 to 30 percent of human primary breast cancers and this alteration is associated with disease behavior. In this report, several similarities were found in the biology of HER-2/neu in breast and ovarian cancer, including a similar incidence of amplification, a direct correlation between amplification and over-expression, evidence of tumors in which overexpression occurs without amplification, and the association between gene alteration and clinical outcome. A comprehensive study of the gene and its products (RNA and protein) was simultaneously performed on a large number of both tumor types. This analysis identified several potential shortcomings of the various methods used to evaluate HER-2/neu in these diseases (Southern, Northern, and Western blots, and immunohistochemistry) and provided information regarding considerations that should be addressed when studying a gene or gene product in human tissue. The data presented further support the concept that the HER-2/neu gene may be involved in the pathogenesis of some human cancers.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Slamon, D J -- Godolphin, W -- Jones, L A -- Holt, J A -- Wong, S G -- Keith, D E -- Levin, W J -- Stuart, S G -- Udove, J -- Ullrich, A -- CA 36827/CA/NCI NIH HHS/ -- CA 48780/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1989 May 12;244(4905):707-12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, U.C.L.A. School of Medicine 90024.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2470152" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomarkers, Tumor ; Breast Neoplasms/*genetics ; Cloning, Molecular ; DNA/analysis ; Female ; Gene Amplification ; Gene Expression Regulation ; Humans ; Immunohistochemistry ; Nucleic Acid Hybridization ; Ovarian Neoplasms/*genetics ; Prognosis ; Protein Kinases ; Proto-Oncogene Proteins/*genetics ; *Proto-Oncogenes ; RNA/analysis ; Receptor, ErbB-2
    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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    Cloning and expression of a Xenopus embryonic gap junction protein (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-03-03
    Description: Gap junctions in the early amphibian embryo may play a fundamental role in the regulation of differentiation by mediating the cell-to-cell transfer of chemical signals. A complementary DNA encoding a gap junction present in Xenopus oocytes and early embryos has now been cloned and sequenced. This protein sequence is homologous to the well-characterized gap junction structural proteins rat connexin32 and connexin43. RNA blot analysis of total Xenopus oocyte RNA showed hybridization to a single 1.6-kilobase band. This messenger RNA is abundant in oocytes, decreases to levels below the sensitivity of our assay by stage 15 (18 hours), and is not detectable in RNA from a number of adult organs. To confirm that the oocyte cDNA encodes a gap junction channel, the protein was over expressed in Xenopus oocytes by injection of RNA synthesized in vitro. Pairs of RNA-injected oocytes formed many more time- and voltage-sensitive cell-cell channels than water-injected pairs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ebihara, L -- Beyer, E C -- Swenson, K I -- Paul, D L -- Goodenough, D A -- GM18974/GM/NIGMS NIH HHS/ -- GM37751/GM/NIGMS NIH HHS/ -- HL28958-06/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 1989 Mar 3;243(4895):1194-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, Columbia University, New York, NY 10032.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2466337" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Cell Communication ; *Cloning, Molecular ; Connexins ; DNA Probes ; Electric Conductivity ; Female ; Gene Expression Regulation ; Intercellular Junctions/physiology ; Membrane Proteins/*genetics/physiology ; Molecular Sequence Data ; Nucleic Acid Hybridization ; Oocytes/analysis/physiology ; RNA/analysis ; RNA, Messenger/analysis ; Rats ; Tissue Distribution ; Xenopus/*embryology
    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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    Antisense RNA-induced reduction in murine TIMP levels confers oncogenicity on Swiss 3T3 cells (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-02-17
    Description: Mouse 3T3 cell lines capable of constitutively synthesizing an RNA complementary to the messenger RNA encoding TIMP, tissue inhibitor of metalloproteinases, were constructed by transfection with appropriate plasmid constructs. Many of the lines were down-modulated for TIMP messenger RNA levels and secreted less TIMP into the culture medium. In comparison to noninvasive, nontumorigenic controls, these cells not only were invasive in a human amnion invasion assay, but also were tumorigenic and metastatic in athymic mice. These results indicate that TIMP suppresses oncogenicity, at least in immortal murine 3T3 cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Khokha, R -- Waterhouse, P -- Yagel, S -- Lala, P K -- Overall, C M -- Norton, G -- Denhardt, D T -- New York, N.Y. -- Science. 1989 Feb 17;243(4893):947-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry, University of Western Ontario, London, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2465572" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; *Cell Transformation, Neoplastic ; Cells, Cultured ; Enzyme Inhibitors/*genetics/metabolism ; Female ; Metalloendopeptidases/antagonists & inhibitors ; Mice ; Mice, Nude ; Neoplasm Metastasis ; Pituitary Neoplasms/genetics/pathology ; RNA/*genetics ; RNA, Antisense ; RNA, Messenger/*antagonists & inhibitors/genetics ; Tissue Inhibitor of Metalloproteinases ; 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 choosing of the NIH director (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-11-24
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Koshland, D E Jr -- New York, N.Y. -- Science. 1989 Nov 24;246(4933):981.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2587989" target="_blank"〉PubMed〈/a〉
    Keywords: Abortion, Legal ; Female ; Humans ; National Institutes of Health (U.S.)/*organization & administration ; Politics ; Pregnancy ; United States ; United States Dept. of Health and Human Services
    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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    A new DNA marker tightly linked to the fragile X locus (FRAXA) (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-12-08
    Description: The fragile X syndrome is the most common cause of familial mental retardation. Genetic counseling and gene isolation are hampered by a lack of DNA markers close to the disease locus. Two somatic cell hybrids that each contain a human X chromosome with a breakpoint close to the fragile X locus have been characterized. A new DNA marker (DXS296) lies between the chromosome breakpoints and is the closest marker to the fragile X locus yet reported. The Hunter syndrome gene, which causes iduronate sulfatase deficiency, is located at the X chromosome breakpoint that is distal to this new marker, thus localizing the Hunter gene distal to the fragile X locus.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Suthers, G K -- Callen, D F -- Hyland, V J -- Kozman, H M -- Baker, E -- Eyre, H -- Harper, P S -- Roberts, S H -- Hors-Cayla, M C -- Davies, K E -- New York, N.Y. -- Science. 1989 Dec 8;246(4935):1298-300.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Histopathology, Adelaide Children's Hospital, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2573953" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Mapping ; Female ; Fragile X Syndrome/*genetics ; Genetic Counseling ; *Genetic Linkage ; *Genetic Markers ; Genomic Library ; Humans ; Hybrid Cells ; Likelihood Functions ; Mice ; Mucopolysaccharidosis II/genetics ; Mutation ; Nucleic Acid Hybridization ; Polymorphism, Restriction Fragment Length ; Sex Chromosome Aberrations/*genetics ; Translocation, Genetic
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
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    The Molecule of the Year (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-12-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guyer, R L -- Koshland, D E Jr -- New York, N.Y. -- Science. 1989 Dec 22;246(4937):1543-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2688087" target="_blank"〉PubMed〈/a〉
    Keywords: Abortion, Induced ; Cystic Fibrosis/genetics ; DNA/*genetics ; DNA-Directed DNA Polymerase ; Female ; *Genetic Techniques ; Humans ; Microscopy, Electron, Scanning ; Mifepristone ; Nucleic Acid Amplification Techniques ; Pregnancy ; Research/*trends
    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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  • 10
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    Mutants of pertussis toxin suitable for vaccine development (1989)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1989-10-27
    Description: Immunization with chemically detoxified pertussis toxin can prevent severe whooping cough with an efficacy similar to that of the cellular pertussis vaccine, which normally gives unwanted side effects. To avoid the reversion to toxicity and the loss of immunogenicity that may follow chemical treatment of pertussis toxin, inactive toxins were constructed by genetic manipulation. A number of genetically engineered alleles of the pertussis toxin genes, constructed by replacing either one or two key amino acids within the enzymatically active S1 subunit, were introduced into the chromosome of strains of Bordetella pertussis, B. parapertussis, and B. bronchiseptica. These strains produce mutant pertussis toxin molecules that are nontoxic and immunogenic and that protect mice from the intracerebral challenge with virulent Bordetella pertussis. Such molecules are ideal for the development of new and safer vaccines against whooping cough.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pizza, M -- Covacci, A -- Bartoloni, A -- Perugini, M -- Nencioni, L -- De Magistris, M T -- Villa, L -- Nucci, D -- Manetti, R -- Bugnoli, M -- New York, N.Y. -- Science. 1989 Oct 27;246(4929):497-500.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Sclavo Research Center, Siena, Italy.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2683073" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Genetic Techniques ; Mice ; Mice, Inbred BALB C ; Mutation ; *Pertussis Toxin ; Pertussis Vaccine/*toxicity ; Rabbits ; Vaccines, Synthetic/toxicity ; Virulence Factors, Bordetella/genetics/immunology/*toxicity
    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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