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  • 1
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    Requirement for B cell linker protein (BLNK) in B cell development (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-12-03
    Description: Linker proteins function as molecular scaffolds to localize enzymes with substrates. In B cells, B cell linker protein (BLNK) links the B cell receptor (BCR)-activated Syk kinase to the phosphoinositide and mitogen-activated kinase pathways. To examine the in vivo role of BLNK, mice deficient in BLNK were generated. B cell development in BLNK-/- mice was blocked at the transition from B220+CD43+ progenitor B to B220+CD43- precursor B cells. Only a small percentage of immunoglobulin M++ (IgM++), but not mature IgMloIgDhi, B cells were detected in the periphery. Hence, BLNK is an essential component of BCR signaling pathways and is required to promote B cell development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pappu, R -- Cheng, A M -- Li, B -- Gong, Q -- Chiu, C -- Griffin, N -- White, M -- Sleckman, B P -- Chan, A C -- AI42787/AI/NIAID NIH HHS/ -- CA71516/CA/NCI NIH HHS/ -- New York, N.Y. -- Science. 1999 Dec 3;286(5446):1949-54.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Immunology, Division of Rheumatology, Department of Medicine, Howard Hughes Medical Institute, Washington University School of Medicine, St. Louis, MO 63110, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10583957" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing ; Aging ; Animals ; B-Lymphocyte Subsets/cytology/immunology ; B-Lymphocytes/*cytology/immunology/*metabolism ; Bone Marrow Cells/cytology/immunology ; Carrier Proteins/genetics/*physiology ; Cell Count ; Cell Differentiation ; Cell Separation ; Cell Size ; Flow Cytometry ; Gene Targeting ; Hematopoietic Stem Cells/*cytology/metabolism ; Immunoglobulin M/analysis ; Leukopoiesis ; Lymphoid Tissue/cytology/immunology ; Mice ; Mice, Inbred C57BL ; *Phosphoproteins ; Receptors, Antigen, B-Cell/*metabolism ; Second Messenger Systems ; Signal Transduction
    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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    Distinct effects of T-bet in TH1 lineage commitment and IFN-gamma production in CD4 and CD8 T cells (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-01-12
    Description: T-bet is a member of the T-box family of transcription factors that appears to regulate lineage commitment in CD4 T helper (TH) lymphocytes in part by activating the hallmark TH1 cytokine, interferon-gamma (IFN-gamma). IFN-gamma is also produced by natural killer (NK) cells and most prominently by CD8 cytotoxic T cells, and is vital for the control of microbial pathogens. Although T-bet is expressed in all these cell types, it is required for control of IFN-gamma production in CD4 and NK cells, but not in CD8 cells. This difference is also apparent in the function of these cell subsets. Thus, the regulation of a single cytokine, IFN-gamma, is controlled by distinct transcriptional mechanisms within the T cell lineage.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Szabo, Susanne J -- Sullivan, Brandon M -- Stemmann, Claudia -- Satoskar, Abhay R -- Sleckman, Barry P -- Glimcher, Laurie H -- New York, N.Y. -- Science. 2002 Jan 11;295(5553):338-42.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Infectious Diseases, Harvard School of Public Health, Boston, MA 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11786644" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; CD4-Positive T-Lymphocytes/*immunology/physiology ; Cell Differentiation ; Cell Line ; Cell Lineage ; Cytotoxicity, Immunologic ; Gene Targeting ; Immunization ; Immunoglobulin G/biosynthesis ; Interferon-gamma/*biosynthesis ; Interleukin-4/biosynthesis ; Interleukin-5/biosynthesis ; Killer Cells, Natural/immunology/metabolism ; Leishmania major ; Leishmaniasis, Cutaneous/immunology ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; T-Box Domain Proteins ; T-Lymphocytes, Cytotoxic/*immunology ; Th1 Cells/*immunology ; Transcription Factors/deficiency/*genetics/*physiology
    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)
    Location Call Number Expected Availability
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