Studies on the differentiation of B lymphocytes in the mouse.

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  • 1 July 1973
    • journal article
    • Vol. 25  (1) , 33-45
Abstract
The capacity of CBA mouse B lymphocytes to bind polyvalent rabbit anti-mouse immunoglobulin antibody, even when this reagent is present in low concentration, was used as an index of a lymphocyte's B cell status. Various mouse tissues were held for 30 minutes at 0° with 0.2 μ/ml of 125I-labelled anti-Ig, and smear preparations of washed cells were examined, following radioautography, for their content of B cells. The survey covered two areas of B cell differentiation, namely the spontaneous emergence of B cells in the mouse foetus, and the development of B cells in lethally irradiated mice that had received early foetal liver as a source of haematogenous stem cells.