Title : GM-CSF in association with IL-1 triggers day-8 CFU-S into cell cycle: role of histamine.

Pub. Date : 1991 Oct

PMID : 1834679






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1 GM-CSF in association with IL-1 triggers day-8 CFU-S into cell cycle: role of histamine. Histamine colony stimulating factor 2 Homo sapiens
2 We further provide evidence that this phenomenon is completely abolished: i) by preventing GM-CSF-induced histamine synthesis by alpha-FMH, the specific inhibitor of histidine decarboxylase (HDC), or ii) by blocking the binding sites of H2 histamine receptors with their specific antagonist oxmetidine. Histamine colony stimulating factor 2 Homo sapiens
3 In addition, we provide an argument in support of a histamine receptor modulation by GM-CSF that could explain the lack of effect of factor-induced histamine on day-8 CFU-S cell cycling. Histamine colony stimulating factor 2 Homo sapiens
4 Taken together, our data support the conclusion that IL-1 makes CFU-S sensitive to GM-CSF-induced endogeneous histamine that will trigger them into cell cycle, while GM-CSF alone has no such effect on this biological activity. Histamine colony stimulating factor 2 Homo sapiens