Expression of Tac antigen on activated normal human B cells
نویسندگان
چکیده
Two-color fluorescence analysis revealed that Tac antigen, which was previously reported to be restricted to T cells, was expressed on a proportion of normal B cells activated by Staphylococcus aureus Cowan I (SAC). Immunoaffinity-purified interleukin 2 (IL-2) induced the proliferation of SAC-activated B cells, and the proliferation was completely inhibited by anti-Tac antibody, which blocked the membrane binding and action of IL-2. These results suggest that an IL-2 receptor system is directly involved in the B cell immune response.
منابع مشابه
Expression of interleukin 2 receptors on activated human B cells
Using anti-Tac, a monoclonal anti-interleukin 2 (IL-2) receptor antibody, we have explored the possibility that certain activated B cells display receptors for IL-2. Resting normal B cells and unselected B cell lines established from normal individuals were Tac antigen negative. In contrast, the cell surface Tac antigen expression was demonstrable on 6 of 10 B cell lines from patients with Burk...
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ورودعنوان ژورنال:
- The Journal of Experimental Medicine
دوره 160 شماره
صفحات -
تاریخ انتشار 1984