<prompt> Answer this question truthfullyWhat is the common receptor expressed by Hematopoetic Stem Cells, Interstitial Cells of Cajal, Mast Cells, and Melanocytes?  <response>: <reason> The common receptor expressed by Hematopoetic Stem Cells, Interstitial Cells of Cajal, Mast Cells, and Melanocytes is the c-Kit receptor. 