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  • Animals  (95)
  • Amino Acid Sequence  (16)
  • American Association for the Advancement of Science (AAAS)  (101)
  • Springer
  • 2005-2009
  • 1985-1989  (101)
  • 1960-1964
  • 1986  (101)
Collection
Publisher
  • American Association for the Advancement of Science (AAAS)  (101)
  • Springer
Years
  • 2005-2009
  • 1985-1989  (101)
  • 1960-1964
Year
  • 1
    Publication Date: 1986-06-13
    Description: Almost all B cells in autoimmune mice with the viable motheaten (mev) mutation express the Ly-1 cell surface antigen, which marks a minor population of B cells constituting a separate lineage in normal mice. Immunoglobulins primarily of the M and G3 classes, which in both normal and mev mice contain high levels of lambda light chain, are produced in excess in mev mice. These and other observations suggest that the development of B cells that express Ly-1 is regulated independently from the development of B cells that do not express Ly-1. B cells bearing the Ly-1 surface antigen may play specialized roles in the normal immune system and in autoimmunity by regulating other B cells via lymphokines, by producing antibodies to self and certain foreign antigens, and by preferentially secreting immunoglobulin M and immunoglobulin G3.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sidman, C L -- Shultz, L D -- Hardy, R R -- Hayakawa, K -- Herzenberg, L A -- AI-20232/AI/NIAID NIH HHS/ -- CA-20408/CA/NCI NIH HHS/ -- CA-35845/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1986 Jun 13;232(4756):1423-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3487115" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Ly/*immunology ; Autoimmune Diseases/genetics/*immunology ; B-Lymphocytes/classification/*immunology ; Flow Cytometry ; Immunoglobulin D/metabolism ; Immunoglobulin G/metabolism ; Immunoglobulin M/metabolism ; Immunoglobulins/analysis ; Lymph Nodes/cytology ; Mice ; Mice, Mutant Strains/*immunology ; Peritoneal Cavity/cytology ; Spleen/cytology
    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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  • 2
    Publication Date: 1986-08-22
    Description: A new family of protein kinase C-related genes has been identified in bovine, human, and rat genomes. The alpha-, beta-, and gamma-type protein kinase sequences are highly homologous, include a kinase domain, and potential calcium-binding sites, and they contain interspersed variable regions. The corresponding genes are located on distinct human chromosomes; the possibility of even greater genetic complexity of this gene family is suggested by Northern and Southern hybridization analyses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Coussens, L -- Parker, P J -- Rhee, L -- Yang-Feng, T L -- Chen, E -- Waterfield, M D -- Francke, U -- Ullrich, A -- New York, N.Y. -- Science. 1986 Aug 22;233(4766):859-66.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3755548" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Cattle ; Chromosome Mapping ; Chromosomes, Human, 16-18 ; Dna ; Genes ; Humans ; Nucleic Acid Hybridization ; Protein Kinase C/*genetics ; Rats
    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
    Publication Date: 1986-07-25
    Description: The H-2 histocompatibility complex of the mouse is a multigene family, some members of which are essential for the immune response to foreign antigens. The structure and organization of these genes have been established by molecular cloning, and their regulation and function is being defined by expression of the cloned genes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Flavell, R A -- Allen, H -- Burkly, L C -- Sherman, D H -- Waneck, G L -- Widera, G -- New York, N.Y. -- Science. 1986 Jul 25;233(4762):437-43.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3726537" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chromosome Mapping ; H-2 Antigens/*genetics ; *Major Histocompatibility Complex ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Polymorphism, 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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  • 4
    Publication Date: 1986-05-16
    Description: Two human T-cell leukemias carrying a t(8;14)(q24;q11) chromosome translocation were studied for rearrangements and expression of the c-myc oncogene. For one leukemia, rearrangement was detected in a region immediately distal (3') to the c-myc locus; no rearrangements of c-myc were observed in the second case (DeF). However, studies with hybrids between human and mouse leukemic T cells indicated that in the leukemic cells of DeF, the breakpoint in chromosome 14 occurred between genes for the variable (V alpha) and the constant (C alpha) regions for the alpha chain of the T-cell receptor. The C alpha locus had translocated to a region more than 38 kilobases 3' to the involved c-myc oncogene. Since human c-myc transcripts were expressed only in hybrids carrying the 8q+ chromosome but not in hybrids containing the normal chromosome 8, it is concluded that the translocation of the C alpha locus 3' to the c-myc oncogene can result in its transcriptional deregulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Erikson, J -- Finger, L -- Sun, L -- ar-Rushdi, A -- Nishikura, K -- Minowada, J -- Finan, J -- Emanuel, B S -- Nowell, P C -- Croce, C M -- CA10815/CA/NCI NIH HHS/ -- CA25875/CA/NCI NIH HHS/ -- CA39860/CA/NCI NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1986 May 16;232(4752):884-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3486470" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Burkitt Lymphoma/genetics ; Chromosomes, Human, 13-15 ; Chromosomes, Human, 6-12 and X ; Humans ; Hybrid Cells ; Karyotyping ; Leukemia/*genetics ; Male ; Mice ; Middle Aged ; Nucleic Acid Hybridization ; *Oncogenes ; Receptors, Antigen, T-Cell/*genetics ; *T-Lymphocytes ; *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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  • 5
    Publication Date: 1986-01-24
    Description: Steady-state cellular levels of phosphatidylinositol-4,5-bisphosphate (PIP2), 1,2-diacylglycerol (DAG), and inositol phosphates have been measured in two different fibroblast cell lines (NIH 3T3 and NRK cells) before and after transformation with three different ras genes. At high cell density the ratio of DAG to PIP2 was 2.5- to 3-fold higher in the ras-transformed cells than in their untransformed counterparts. The sum of the water-soluble breakdown products of the polyphosphoinositides, inositol-1,4-bisphosphate and inositol-1,4,5-trisphosphate, was also elevated in ras-transformed NRK cells compared with nontransformed NRK cells. These findings suggest that the ras (p21) protein may act by affecting these levels, possibly as a regulatory element in the PIP2 breakdown pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fleischman, L F -- Chahwala, S B -- Cantley, L -- GM 36133/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 1986 Jan 24;231(4736):407-10.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3001936" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; Cell Transformation, Neoplastic/*analysis ; Diglycerides/analysis ; Humans ; Inositol 1,4,5-Trisphosphate ; Inositol Phosphates/analysis ; *Oncogenes ; Phosphatidylinositol 4,5-Diphosphate ; Phosphatidylinositols/*analysis ; Rats
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 1986-04-11
    Description: Early in life, abnormal visual experience may disrupt the developmental processes required for the maturation and maintenance of normal visual function. The effects of retinal image deprivation (monocular form deprivation) on four psychophysical functions were investigated in rhesus monkeys to determine if the sensitive period is of the same duration for all types of visual information processing. The basic spectral sensitivity functions of rods and cones have relatively short sensitive periods of development (3 and 6 months) when compared to more complex functions such as monocular spatial vision or resolution (25 months) and binocular vision (greater than 25 months). Therefore, there are multiple, partially overlapping sensitive periods of development and the sensitive period for each specific visual function is probably different.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harwerth, R S -- Smith, E L 3rd -- Duncan, G C -- Crawford, M L -- von Noorden, G K -- R01 EY 01120/EY/NEI NIH HHS/ -- R01 EY 01139/EY/NEI NIH HHS/ -- R01 EY 03611/EY/NEI NIH HHS/ -- R01 EY003611/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 1986 Apr 11;232(4747):235-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3952507" target="_blank"〉PubMed〈/a〉
    Keywords: Age Factors ; Animals ; Humans ; Macaca mulatta/growth & development ; Photoreceptor Cells/growth & development ; Sensory Deprivation/physiology ; Space Perception/physiology ; Vision, Ocular/*physiology ; Visual Perception/*physiology
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    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 1986-05-16
    Description: Neural control of bone metabolism and growth has been suggested, although the identity of participating neurons and neurotransmitters effecting this control has not been established. Immunohistochemical studies demonstrated a system of vasoactive intestinal peptide (VIP)-immunoreactive nerve fibers that innervate periosteum and bone in several mammalian species. Thoracic sympathetic chain ganglionectomy resulted in an ipsilateral loss of VIP-immunoreactive fibers in the periosteum of ribs, whereas dorsal root ganglionectomy had no effect. Injection of fast blue into rib periosteum labeled a population of VIP-immunoreactive sympathetic postganglionic neurons. Thus, postganglionic sympathetic neurons may provide an important means by which VIP regulates bone mineralization.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hohmann, E L -- Elde, R P -- Rysavy, J A -- Einzig, S -- Gebhard, R L -- New York, N.Y. -- Science. 1986 May 16;232(4752):868-71.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3518059" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Development/drug effects ; Bone and Bones/blood supply/*innervation ; Chromatography, High Pressure Liquid ; Dogs ; Fluorescent Antibody Technique ; Neurons/physiology ; Periosteum/*physiology ; Radioimmunoassay ; Swine ; Vasoactive Intestinal Peptide/pharmacology/*physiology
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  • 8
    Publication Date: 1986-03-14
    Description: Human malignant melanoma cells express specific chondroitin sulfate proteoglycans (mel-CSPG) on the surface, both in vivo and in vitro. Melanocytes in normal skin show no detectable mel-CSPG but can be induced to express the antigen when cultured in the presence of cholera toxin and the tumor promoter 12-O-tetradecanoylphorbol-13-acetate. Most other cell types do not express mel-CSPG either in vivo or in vitro. A study was designed to examine regulatory signals controlling mel-CSPG expression. The gene encoding mel-CSPG was mapped to human chromosome 15, and this chromosome was introduced into rodent cells derived from distinct differentiation lineages. Three types of mel-CSPG--expressing hybrids were found: (i) hybrids derived from human melanomas; (ii) hybrids derived from human cells that do not express mel-CSPG; and (iii) hybrids derived from human cells expressing mel-CSPG that are antigen-negative but that are induced to express mel-CSPG when cultured on extracellular matrix instead of plastic surfaces. Thus, mel-CSPG expression can be controlled both through intrinsic signals, provided by the differentiation program of the rodent fusion partner, and through extrinsic signals, provided by specific cell-matrix interactions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rettig, W J -- Real, F X -- Spengler, B A -- Biedler, J L -- Old, L J -- CA-08748/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1986 Mar 14;231(4743):1281-4.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3633135" target="_blank"〉PubMed〈/a〉
    Keywords: Aggrecans ; Animals ; Antibodies, Monoclonal ; Cell Line ; Cholera Toxin/pharmacology ; Chromosome Mapping ; Chromosomes, Human, 13-15 ; Cricetinae ; Cricetulus ; *Extracellular Matrix Proteins ; Gene Expression Regulation/drug effects ; Glycoproteins/*biosynthesis/genetics ; Humans ; Hybrid Cells/drug effects/*metabolism ; Lectins, C-Type ; Lymphocytes/metabolism ; Melanocytes/drug effects/metabolism ; Melanoma/*metabolism ; Mice ; Neoplasm Proteins/*biosynthesis/genetics ; Neuroblastoma/metabolism ; *Proteoglycans ; Rats ; Tetradecanoylphorbol Acetate/pharmacology
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  • 9
    Publication Date: 1986-01-24
    Description: Parathyroid hormone-like factors have been found in extracts of tumors associated with humoral hypercalcemia of malignancy, many of which are of squamous epithelial origin. Cultured, nonmalignant human keratinocytes were examined for the production of similar factors. Keratinocyte-conditioned medium from ten cultures stimulated the production of cyclic adenosine monophosphate in clonally derived rat osteosarcoma cells sensitive to parathyroid hormone. Bovine [Nle8,18, Tyr34]PTH-(3-34)NH2, a competitive inhibitor of parathyroid hormone, stopped the adenylate cyclase production stimulated by keratinocyte-conditioned medium, but antisera to parathyroid hormone had no effect on such adenylate cyclase activity. The active component of keratinocyte-conditioned medium has a molecular weight exceeding that of native parathyroid hormone. These characteristics are shared by the parathyroid hormone receptor agonists associated with humoral hypercalcemia of malignancy, which suggests that normal human keratinocytes may produce a factor related to that produced by malignant tumors associated with humoral hypercalcemia of malignancy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Merendino, J J Jr -- Insogna, K L -- Milstone, L M -- Broadus, A E -- Stewart, A F -- AM 30102/AM/NIADDK NIH HHS/ -- New York, N.Y. -- Science. 1986 Jan 24;231(4736):388-90.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/2417317" target="_blank"〉PubMed〈/a〉
    Keywords: Adenylyl Cyclases/metabolism ; Animals ; Cattle ; Cells, Cultured ; Cyclic AMP/metabolism ; Epidermis/*cytology/metabolism/physiology ; Humans ; Isoproterenol/pharmacology ; Keratins/*metabolism ; Mice ; Osteosarcoma/metabolism ; Parathyroid Hormone/pharmacology/*physiology ; Peptide Fragments/pharmacology ; Rats ; Teriparatide
    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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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1986-06-06
    Description: A bovine rhodopsin complementary DNA probe was used to detect homologous visual pigment genes in a variety of species. Under stringent DNA hybridization conditions, genomic DNA from most vertebrate species carried a single homologous fragment. Additional homologies were detected in some vertebrates by reducing the hybridization stringency. Homologous fragments were also detected in DNA isolated from invertebrate species, a unicellular alga, and an archaebacterium; many of these fragments were homologous to a Drosophila opsin probe. These results suggest that photosensory pigments in a wide variety of species arose from a common precursor.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Martin, R L -- Wood, C -- Baehr, W -- Applebury, M L -- EY04801/EY/NEI NIH HHS/ -- EY07008/EY/NEI NIH HHS/ -- New York, N.Y. -- Science. 1986 Jun 6;232(4755):1266-9.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/3010467" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Base Sequence ; Cattle ; Chickens ; Dna ; DNA Restriction Enzymes ; Drosophila ; Eye Proteins/*genetics ; Mice ; Nucleic Acid Hybridization ; Plants ; Retinal Pigments/*genetics ; Rhodopsin/genetics ; Rod Opsins ; *Sequence Homology, Nucleic Acid ; Sheep
    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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