PMID: 6974068Feb 1, 1981Paper

Increase and inhibition of pre-B cell proliferation in culture, by T cells

Clinical and Experimental Immunology
P PaolucciJ F Soothill

Abstract

T cells may either increase or decrease in vitro proliferation of marrow pre-B cells from patients with acute lymphatic leukaemia after withdrawal of successful treatment. There is less proliferation when T cells are removed by E rosetting, and repletion of T cells restores proliferation. When additional T cells from the patients were added to the patients' marrows, proliferation was increased more effectively than with T cells from healthy subjects; there was no evidence of an allogeneic effect. In contrast, normal T cells stimulated with concanavalin A suppress proliferation. There was no evidence of differentiation into B cells.

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