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  • Humans  (109)
  • INSTRUMENTATION AND PHOTOGRAPHY  (88)
  • SOLAR PHYSICS  (64)
  • 2010-2014
  • 1990-1994  (261)
  • 1980-1984
  • 1992  (261)
  • 1
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    Mutations in the rod domains of keratins 1 and 10 in epidermolytic hyperkeratosis (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-08-21
    Description: Epidermolytic hyperkeratosis is a hereditary skin disorder characterized by blistering and a marked thickening of the stratum corneum. In one family, affected individuals exhibited a mutation in the highly conserved carboxyl terminal of the rod domain of keratin 1. In two other families, affected individuals had mutations in the highly conserved amino terminal of the rod domain of keratin 10. Structural analysis of these mutations predicts that heterodimer formation would be unaffected, although filament assembly and elongation would be severely compromised. These data imply that an intact keratin intermediate filament network is required for the maintenance of both cellular and tissue integrity.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rothnagel, J A -- Dominey, A M -- Dempsey, L D -- Longley, M A -- Greenhalgh, D A -- Gagne, T A -- Huber, M -- Frenk, E -- Hohl, D -- Roop, D R -- HD25479/HD/NICHD NIH HHS/ -- New York, N.Y. -- Science. 1992 Aug 21;257(5073):1128-30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Cell Biology, Baylor College of Medicine, Houston, TX 77030.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1380725" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Base Sequence ; DNA/chemistry ; Humans ; Ichthyosiform Erythroderma, Congenital/*genetics ; Keratins/chemistry/*genetics ; Macromolecular Substances ; Molecular Sequence Data ; *Mutation ; Pedigree ; Polymerase Chain Reaction ; Protein Conformation
    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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    Comparative genomic hybridization for molecular cytogenetic analysis of solid tumors (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-10-30
    Description: Comparative genomic hybridization produces a map of DNA sequence copy number as a function of chromosomal location throughout the entire genome. Differentially labeled test DNA and normal reference DNA are hybridized simultaneously to normal chromosome spreads. The hybridization is detected with two different fluorochromes. Regions of gain or loss of DNA sequences, such as deletions, duplications, or amplifications, are seen as changes in the ratio of the intensities of the two fluorochromes along the target chromosomes. Analysis of tumor cell lines and primary bladder tumors identified 16 different regions of amplification, many in loci not previously known to be amplified.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kallioniemi, A -- Kallioniemi, O P -- Sudar, D -- Rutovitz, D -- Gray, J W -- Waldman, F -- Pinkel, D -- CA 44768/CA/NCI NIH HHS/ -- CA 45919/CA/NCI NIH HHS/ -- CA 47537/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1992 Oct 30;258(5083):818-21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Laboratory Medicine, University of California, San Francisco 94143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1359641" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosome Mapping ; DNA Probes ; DNA, Neoplasm/*genetics ; Female ; Fluorescein-5-isothiocyanate ; Fluorescent Dyes ; Gene Amplification ; Gene Deletion ; Humans ; In Situ Hybridization, Fluorescence ; Male ; Mutation ; Neoplasms/*genetics ; *Nucleic Acid Hybridization ; Oncogenes ; Polymorphism, Restriction Fragment Length ; Rhodamines ; Tumor Cells, Cultured
    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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    Potentially amyloidogenic, carboxyl-terminal derivatives of the amyloid protein precursor (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-02-07
    Description: The 39- to 43-amino acid amyloid beta protein (beta AP), which is deposited as amyloid in Alzheimer's disease, is encoded as an internal peptide that begins 99 residues from the carboxyl terminus of a 695- to 770-amino acid glycoprotein referred to as the amyloid beta protein precursor (beta APP). To clarify the processing that produces amyloid, carboxyl-terminal derivatives of the beta APP were analyzed. This analysis showed that the beta APP is normally processed into a complex set of 8- to 12-kilodalton carboxyl-terminal derivatives. The two largest derivatives in human brain have the entire beta AP at or near their amino terminus and are likely to be intermediates in the pathway leading to amyloid deposition.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Estus, S -- Golde, T E -- Kunishita, T -- Blades, D -- Lowery, D -- Eisen, M -- Usiak, M -- Qu, X M -- Tabira, T -- Greenberg, B D -- AG06656/AG/NIA NIH HHS/ -- AG08012/AG/NIA NIH HHS/ -- AG08992/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 1992 Feb 7;255(5045):726-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Neuropathology, Case Western Reserve University, Cleveland, OH 44106.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1738846" target="_blank"〉PubMed〈/a〉
    Keywords: Amyloid/*biosynthesis ; Amyloid beta-Protein Precursor/chemistry/genetics/*metabolism ; Cell Line ; Cell Membrane/chemistry ; Cerebral Cortex/chemistry ; Glycosylation ; Humans ; Immunoblotting ; Immunosorbent Techniques ; Molecular Weight ; Peptide Fragments/chemistry/isolation & purification/*metabolism ; Transfection
    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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    Novel approaches to the construction of miniaturized analytical instrumentation (1992)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: This paper focuses on the design, construction, preliminary testing, and potential applications of three forms of miniaturized analytical instrumentation. The first is an optical fiber instrument for monitoring pH and other cations in aqueous solutions. The instrument couples chemically selective indicators that were immobilized at porous polymeric films with a hardware package that provides the excitation light source, required optical components, and detection and data processing hardware. The second is a new form of a piezoelectric mass sensor. The sensor was fabricated by the deposition of a thin (5.5 micron) film of piezoelectric aluminum nitride (AIN). The completed deposition process yields a thin film resonator (TFR) that is shaped as a 400 micron square and supports a standing bulk acoustic wave in a longitudinal mode at frequencies of approx. 1 GHz. Various deposition and vapor sorption studies indicate that the mass sensitivity of the TFR's rival those of the most sensitive mass sensors currently available, though offering such performance in a markedly smaller device. The third couples a novel form of liquid chromatography with microlithographic miniaturization techniques. The status of the miniaturization effort, the goal of which is to achieve chip-scale separations, is briefly discussed.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: NASA-CR-191988 , NAS 1.26:191988
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Novel approaches to the construction of miniaturized analytical instrumentation (1992)
    In:  Other Sources
    Details
    Publication Date: 2019-08-28
    Description: This paper focuses on the design, construction, preliminary testing, and potential applications of three forms of miniaturized analytical instrumentation. The first is an optical fiber instrument for monitoring pH and other cations in aqueous solutions. The instrument couples chemically selective indicators that were immobilized at porous polymeric films with a hardware package that provides the excitation light source, required optical components, and detection and data processing hardware. The second is a new form of a piezoelectric mass sensor. The sensor was fabricated by the deposition of a thin (5.5 micron) film of piezoelectric aluminum nitride (AIN). The completed deposition process yields a thin film resonator (TFR) that is shaped as a 400 micron square and supports a standing bulk acoustic wave in a longitudinal mode at frequencies of approx. 1 GHz. Various deposition and vapor sorption studies indicate that the mass sensitivity of the TFR's rival those of the most sensitive mass sensors currently available, though offering such performance in a markedly smaller device. The third couples a novel form of liquid chromatography with microlithographic miniaturization techniques. The status of the miniaturization effort, the goal of which is to achieve chip-scale separations, is briefly discussed.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: SAE PAPER 921179 , ; 11 p.|SAE, International Conference on Environmental Systems; Jul 13, 1992 - Jul 16, 1992; Seattle, WA; United States
    Format: text
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  • 6
    Electronic Resource
    Electronic Resource
    The evolution of two west African populations (1992)
    Springer
    Journal of molecular evolution 34 (1992), S. 336-344 
    Details
    ISSN: 1432-1432
    Keywords: Humans ; Mitochondrial DNA ; Nuclear polymorphisms ; Heteroplasmy ; Genetic differentiation ; Sickle cell ; Rain forest refuges
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The identification of genetically coherent populations is essential for understanding human evolution. Among the culturally uniform ethnic groups of west Africa, there are two geographically distinct populations with high frequencies of sickle-cell hemoglobin (HbS). Although the HbS mutation in each group is found on distinguishable chromosomes 11, these populations have been assumed to be parts of a single population. Analysis of mitochondrial DNA (mtDNA) in these populations demonstrated that the two populations identified by alternative chromosomes 11 bearing HbS have distinct distributions of mitochondrial genotypes, i.e., they are maternally separate. These studies also showed that, contrary to expectation, the mtDNA of some individuals is heteroplasmic. For nuclear loci, a comparison of the frequency of alternative alleles established that these populations are genetically distinct. Both the mitochondrial and nuclear data indicate that these populations have been separate for approximately 50,000 years. Although HbS in the two populations is usually attributed to recent, independent mutations, the duration of the separation and the observed geographic distribution of the population allow for the possibility of an ancient origin of HbS. Assuming an ancient mutation and considering the known biogeography, we suggest that HbS protected selected populations from malaria in rain forest refuges during the most recent ice age.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00160241
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    Paper (German National Licenses)
    Fulltext
  • 7
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    Neural computing in cancer drug development: predicting mechanism of action (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-10-16
    Description: Described here are neural networks capable of predicting a drug's mechanism of action from its pattern of activity against a panel of 60 malignant cell lines in the National Cancer Institute's drug screening program. Given six possible classes of mechanism, the network misses the correct category for only 12 out of 141 agents (8.5 percent), whereas linear discriminant analysis, a standard statistical technique, misses 20 out of 141 (14.2 percent). The success of the neural net indicates several things. (i) The cell line response patterns are rich in information about mechanism. (ii) Appropriately designed neural networks can make effective use of that information. (iii) Trained networks can be used to classify prospectively the more than 10,000 agents per year tested by the screening program. Related networks, in combination with classical statistical tools, will help in a variety of ways to move new anticancer agents through the pipeline from in vitro studies to clinical application.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weinstein, J N -- Kohn, K W -- Grever, M R -- Viswanadhan, V N -- Rubinstein, L V -- Monks, A P -- Scudiero, D A -- Welch, L -- Koutsoukos, A D -- Chiausa, A J -- New York, N.Y. -- Science. 1992 Oct 16;258(5081):447-51.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Mathematical Biology, National Cancer Institute, Bethesda, MD 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1411538" target="_blank"〉PubMed〈/a〉
    Keywords: Alkylating Agents ; *Antineoplastic Agents/classification ; Databases, Factual ; *Drug Design ; Drug Evaluation, Preclinical ; Growth Inhibitors ; Humans ; In Vitro Techniques ; Neural Networks (Computer) ; Tumor Cells, Cultured/drug effects
    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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    Genome analysis and the human X chromosome (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-10-02
    Description: A unified genetic, physical, and functional map of the human X chromosome is being built through a concerted, international effort. About 40 percent of the 160 million base pairs of the X chromosome DNA have been cloned in overlapping, ordered contigs derived from yeast artificial chromosomes. This rapid progress toward a physical map is accelerating the identification of inherited disease genes, 26 of which are already cloned and more than 50 others regionally localized by linkage analysis. This article summarizes the mapping strategies now used and the impact of genome research on the understanding of X chromosome inactivation and X-linked diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mandel, J L -- Monaco, A P -- Nelson, D L -- Schlessinger, D -- Willard, H -- New York, N.Y. -- Science. 1992 Oct 2;258(5079):103-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratoire de Genetique Moleculaire des Eucaryotes du CNRS, INSERM, Strasbourg, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1439756" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Chromosome Mapping ; Dosage Compensation, Genetic ; Female ; *Genome, Human ; Humans ; Macropodidae ; Male ; Mice ; Mutation ; Sex Chromosome Aberrations ; *X Chromosome
    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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  • 9
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    Genome maps III. 1992. Wall Chart (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-10-02
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mandel, J L -- Monaco, A P -- Nelson, D L -- Schlessinger, D -- Willard, H F -- Chipperfield, M -- Pearson, P -- Gilna, P -- Cinkosky, M -- New York, N.Y. -- Science. 1992 Oct 2;258(5079):87-102.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉INSERM, Strasbourg, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1439771" target="_blank"〉PubMed〈/a〉
    Keywords: *Chromosome Mapping ; Chromosomes, Human ; Female ; Genetic Linkage ; Genetic Markers ; *Genome, Human ; Humans ; Sex Chromosome Aberrations ; 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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  • 10
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    Myoblast therapy (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-08-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Epstein, H F -- Fischman, D A -- Bader, D -- Changeux, J P -- Buckhold, K -- Ordahl, C P -- Hoffman, E -- Kedes, L H -- Konieczny, S -- Leinwand, L A -- New York, N.Y. -- Science. 1992 Aug 7;257(5071):738.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1496388" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Child ; Humans ; Male ; Muscles/*transplantation ; Muscular Dystrophies/*surgery ; Transplantation/adverse effects
    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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