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  • Title: Trypanosomiasis leads to extensive proliferation of B, T and null cells in spleen and bone marrow.
    Author: Mayor-Withey KS, Clayton CE, Roelants GE, Askonas BA.
    Journal: Clin Exp Immunol; 1978 Dec; 34(3):359-63. PubMed ID: 311257.
    Abstract:
    Changes in the distribution of T, B and null cells in the spleen and bone marrow have been studied in inbred mice infected with Trypanosoma brucei. Immunofluorescent staining combined with a 3H-thymidine pulse and autoradiography showed activation of all three cell types. A transient increase in splenic T cells was followed by dramatic increases in B cells (2·5-fold) and in null cells (35-fold). By day 12, after the first peak of parasitaemia, nearly half the spleen cells were dividing. In the bone marrow, very large blast cells appeared within a week of infection.
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