develops from develops from granulocyte monocyte progenitor cell myeloid cell basophil mast progenitor cell 2010-04-27T12:46:33Z There may be an intermediate cell type. These cells also CD13-positive, CD16-positive, CD32-positive, and integrin beta 7-positive. Transcription factors: GATA1-positive, MCP-1-positive, mitf-positive, PU.1-positive, and CEBP/a-low. BMCP A cell type that can give rise to basophil and mast cells. This cell is CD34-positive, CD117-positive, CD125-positive, FceRIa-negative, and T1/ST2-negative, and expresses Gata-1, Gata-2, C/EBPa granulocytopoietic cell