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. 1975 May 29;255(5507):378-82.
doi: 10.1038/255378a0.

Induction of increased calcium uptake in mouse T lymphocytes by concanavalin A and its modulation by cyclic nucleotides

M H Freedman, M C Raff

Induction of increased calcium uptake in mouse T lymphocytes by concanavalin A and its modulation by cyclic nucleotides

M H Freedman et al. Nature. .

Abstract

The binding of concanavqlin A to T but not B mouse spleen lymphocytes increases Ca-2+ uptake in these cells which is measurable by 45 s and complete by 1 min. Dibutyrl cyclic AMP, but not sodium azide inhibits induced Ca-2+ uptake, wheras dibutyryl cyclic GMP enhances it. B cell mitogens do not cause a similar Ca-2+ uptake in mouse B lymphocytes. The induction of increased Ca-2+ uptake by T cells is discussed in terms of gated membrane channels for Ca-2+.

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