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题目:: Role of T cells in the mitogen-induced proliferation and polyclonal antibody response of murine B cells.
作者:: Ishikawa(H),Saito(K)
状态:: 发布时间1982-04-12 , 更新时间 2014-11-20
期刊:: Microbiol Immunol
摘要:: The effect of thymus-derived lymphocytes (T cells) on the responsiveness of bone marrow-derived lymphocytes (B cells) to bacterial lipopolysaccharide (LPS) was determined in in vitro experiments. Radiation resistant splenic T cells obtained from euthymic nu/+ mice increased the number of proliferating cells in the cultures of splenic B cells from athymic nu/nu mice even in the nonstimulated state. The radiation resistant T cells augmented significantly the responsiveness of B cells to LPS, as determined by an increase in proliferating cells and polyclonally induced anti-sheep erythrocyte (SRBC) IgM hemolysin plaque-forming cells (PFC). Addition of the T cells to B cell cultures not only augmented the responsiveness of B cells to suboptimal doses of LPS but also enabled B cells to respond to supraoptimal doses of LPS. As is well documented, the radiation resistant T cells were unable to induce the generation of anti-SRBC PFC in B cell cultures, unless the cultures were simultaneously stimulated with SRBC. Colcemid, a specific inhibitor of cell mitosis, blocked almost completely the exponential generation of anti-SRBC PFC in B cell cultures responding to SRBC with the aid of radiation resistant T cells. In contrast, colcemid did not affect the exponential generation of anti-SRBC PFC of a polyclonal nature in B cell cultures responding to LPS, either in the presence or absence of radiation resistant T cells.
语言:: eng
DOI:

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