Human appendix B cells naturally express receptors for and respond to interleukin 6 with selective IgA1 and IgA2 synthesis.
نویسندگان
چکیده
منابع مشابه
Human Dendritic Cells Skew Isotype Switching of CD40-activated Naive B Cells towards IgA1 and IgA2
Within T cell-rich areas of secondary lymphoid organs, interdigitating dendritic cells recruit antigen-specific T cells that then induce B cells to secrete Igs. This study investigates the possible role(s) of dendritic cells in the regulation of human B cell responses. In the absence of exogenous cytokines, in vitro generated dendritic cells (referred to as Dendritic Langerhans cells, D-Lc) ind...
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We studied the effects of vasoactive intestinal peptide (VIP) on IgA1 and IgA2 production in human fetal B cells and pre-B cells derived from bone marrow. VIP induced IgA1, IgA2, and IgM production in sIgM+, CD19+ fetal B cells stimulated with anti-CD40 monoclonal antibody (MoAb) without inducing the production of IgG1, IgG2, IgG3, IgG4, or IgE. The anti-CD40 MoAb plus VIP also induced IgA1, Ig...
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In this study we investigated whether interleukin 2 (IL-2) acts on B cell proliferation and whether activated B cells express IL-2 receptors. First, the functional activity of immunoaffinity-purified or recombinant human IL-2 was studied in a B blast assay using positively selected murine surface Ig-positive cells that had been activated by lipopolysaccharide (LPS) plus anti-Ig antibodies (anti...
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ژورنال
عنوان ژورنال: Journal of Clinical Investigation
سال: 1991
ISSN: 0021-9738
DOI: 10.1172/jci115284