Abstract
The effect of D-penicillamine (D-Pen) on the proliferation of cultures of normal mouse, rat, and human spleen lymphocytes and peripheral blood lymphocytes was examined. D-Pen in concentrations of 2×10−3 M to 8×10−3 M in serum-free and in serum-containing medium resulted in a highly significant incorporation of3H-TdR by normal mouse and rat spleen cells. Enhanced incorporation of3H-TdR by normal human spleen cells only occurred in serum-containing medium. D-Pen in concentrations of 10−4 M to 10−3 M in serum-free and serum-containing medium resulted in significant inhibition of3H-TdR incorporation by normal and mitogen-stimulated mouse and rat spleen cells. Doses of D-Pen greater than 2×10−2 M strongly inhibited3H-TdR incorporation by both normal and mitogen-stimulated mouse, rat, and human spleen cells and peripheral blood cells. The latter cells were not stimulated or inhibited at lower concentrations of D-Pen.
Results from cell depletion and enriching procedures (specific antibody + C' cell killing, employment of athymic, nude spleen cells, adherent and phagocytic cell removal, E rosette cell separation procedures) suggested that target cells in the mouse spleen for D-Pen activation are non-adherent B cells whereas the D-Pen responsive cells in the human spleen probably are T cells.
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ClaËsson, M.H., Hansen, G.S. & Tjell, V. D-penicillamine: Mitogenic effect on mouse, rat and human spleen lymphocytes. Med Microbiol Immunol 167, 161–174 (1979). https://doi.org/10.1007/BF02121182
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DOI: https://doi.org/10.1007/BF02121182