Stimulated histamine release was depressed at least tenfold in mitotic 2H3 rat basophilic cells when compared with interphase cells even though both contained comparable amounts of histamine. Antigen stimulation of IgE-sensitized interphase cells initiated an influx of Ca2+ that preceded secretion of histamine and a similar Ca2+ influx occurred in stimulated mitotic cells. This strongly suggests that during mitosis there is a dramatic inhibition of one or more of the steps on the pathway leading from elevated intracellular Ca2+ to the fusion of secretory granules with the plasma membrane.
Stimulated release of histamine by a rat mast cell line is inhibited during mitosis.
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T R Hesketh, M A Beaven, J Rogers, B Burke, G B Warren; Stimulated release of histamine by a rat mast cell line is inhibited during mitosis.. J Cell Biol 1 June 1984; 98 (6): 2250–2254. doi: https://doi.org/10.1083/jcb.98.6.2250
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