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  • 1
    ISSN: 1573-4927
    Keywords: linkage analysis ; serine dehydratase ; plasminogen activator inhibitor ; simple sequence repeats ; microsatellites ; rat chromosome 12
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Four PCR-typable polymorphic markers were mapped to rat chromosome 12 by linkage analysis of F2 intercross progeny of Fischer (F344/N) and Lewis (LEW/N) rat strains. The markers formed a single linkage group, covering 27.7 cM, with the following order and distance between markers: plasminogen activator inhibitor (Planh)—0.0 cM—phosphoenolpyruvate carboxykinase-related sequence 2 (Pepckr2)—15.4 cM—anonymous marker (D12N155)—12.3 cM—serine dehydratase (Sdh). All markers were identified and genotyped by PCR analysis of simple sequence repeats. The gene encoding Planh was previously assigned to rat chromosome 12, which allowed us to assign the entire linkage group to this chromosome. These markers were highly polymorphic in 13 additional inbred rat strains (BUF/N, BN/SsN, WKY/N, MNR/N, LER/N, WBB1/N, WBB2/N, MR/N, LOU/MN, SHR/N, ACI/N, SR/Jr, and SS/Jr). These markers should be useful tools for further genetic studies in rats.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-4927
    Keywords: linkage analysis ; serine dehydratase ; plasminogen activator inhibitor ; simple sequence repeats ; microsatellites ; rat chromosome 12
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Four PCR-typable polymorphic markers were mapped to rat chromosome 12 by linkage analysis of F2 intercross progeny of Fischer (F344/N) and Lewis (LEW/N) rat strains. The markers formed a single linkage group, covering 27.7 cM, with the following order and distance between markers: plasminogen activator inhibitor (Planh)—0.0 cM—phosphoenolpyruvate carboxykinase-related sequence 2 (Pepckr2)—15.4 cM—anonymous marker (D12N155)—12.3 cM—serine dehydratase (Sdh). All markers were identified and genotyped by PCR analysis of simple sequence repeats. The gene encoding Planh was previously assigned to rat chromosome 12, which allowed us to assign the entire linkage group to this chromosome. These markers were highly polymorphic in 13 additional inbred rat strains (BUF/N, BN/SsN, WKY/N, MNR/N, LER/N, WBB1/N, WBB2/N, MR/N, LOU/MN, SHR/N, ACI/N, SR/Jr, and SS/Jr). These markers should be useful tools for further genetic studies in rats.
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  • 3
    Publication Date: 1992-08-21
    Description: Pit-1 is a pituitary-specific transcription factor responsible for pituitary development and hormone expression in mammals. Mutations in the gene encoding Pit-1 have been found in two dwarf mouse strains displaying hypoplasia of growth hormone, prolactin, and thyroid-stimulating, hormone-secreting cell types in the anterior pituitary. A point mutation in this gene was identified on one allele in a patient with combined pituitary hormone deficiency. Mutant Pit-1 binds DNA normally but acts as a dominant inhibitor of Pit-1 action in the pituitary.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Radovick, S -- Nations, M -- Du, Y -- Berg, L A -- Weintraub, B D -- Wondisford, F E -- New York, N.Y. -- Science. 1992 Aug 21;257(5073):1115-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pediatrics, Rainbow Babies and Childrens Hospital, Cleveland, OH.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1509262" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Amino Acid Sequence ; Base Sequence ; Binding Sites ; DNA/chemistry/genetics/metabolism ; DNA-Binding Proteins/chemistry/*genetics ; Growth Hormone/deficiency/genetics ; Humans ; Molecular Sequence Data ; *Mutation ; Pituitary Gland, Anterior/metabolism/pathology ; Pituitary Hormones/*deficiency ; Polymerase Chain Reaction ; Prolactin/deficiency/genetics ; Promoter Regions, Genetic ; Thyrotropin/deficiency/genetics ; Transcription Factor Pit-1 ; Transcription Factors/chemistry/*genetics ; 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
    Publication Date: 1993-11-05
    Description: B7 delivers a costimulatory signal through CD28, resulting in interleukin-2 secretion and T cell proliferation. Blockade of this pathway results in T cell anergy. The in vivo role of B7 was evaluated with B7-deficient mice. These mice had a 70 percent decrease in costimulation of the response to alloantigen. Despite lacking B7 expression, activated B cells from these mice bound CTLA-4 and GL1 monoclonal antibody, demonstrating that alternative CTLA-4 ligand or ligands exist. These receptors are functionally important because the residual allogenic mixed lymphocyte responses were blocked by CTLA4Ig. Characterization of these CTLA-4 ligands should lead to strategies for manipulating the immune response.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Freeman, G J -- Borriello, F -- Hodes, R J -- Reiser, H -- Hathcock, K S -- Laszlo, G -- McKnight, A J -- Kim, J -- Du, L -- Lombard, D B -- CA 40216/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1993 Nov 5;262(5135):907-9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Hematologic Malignancies, Dana-Farber Cancer Institute, Boston, MA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7694362" target="_blank"〉PubMed〈/a〉
    Keywords: Abatacept ; Animals ; Antigens, CD ; Antigens, CD80/genetics/*immunology/metabolism ; Antigens, Differentiation/immunology/*metabolism ; B-Lymphocytes/*immunology ; Base Sequence ; CTLA-4 Antigen ; Cell Line ; *Immunoconjugates ; Interleukin-2/secretion ; Isoantigens/immunology ; Lymphocyte Activation ; Lymphocyte Culture Test, Mixed ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Mice, Knockout ; Molecular Sequence Data ; Mutation ; T-Lymphocytes/*immunology ; 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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