Stem Cell Factor - Expression in Mast Cells

Expression in Mast Cells

Mast cells are the only terminally differentiated hematopoietic cells that express the c-Kit receptor. Mice with SCF or c-Kit mutations have severe defects in the production of mast cells, having less than 1% of the normal levels of mast cells. Conversely, the injection of SCF increases mast cell numbers near the site of injection by over 100 times. In addition, SCF promotes mast cell adhesion, migration, proliferation, and survival. It also promotes the release of histamine and tryptase, which are involved in the allergic response.

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