CFU-GM (Colony Forming Unit-Granulocyte/Macrophage), also known as Granulocyte-Monocyte Progenitor (GMP), is a colony forming unit. It is derived from CFU-GEMM. It is the precursor for monoblasts and myeloblasts. Production is stimulated by granulocyte macrophage colony-stimulating factor (GM-CSF).
Granulocytes There is some controversy over which granulocytes derive from CFU-GM.
There is little disagreement that neutrophils come from CFU-GM. Some sources state that basophils also derive from CFU-GM, but that eosinophils come from "CFU-Eos". Other sources state that basophils do not derive from CFU-GM, but from a distinct CFU, titled "CFU-Baso".
See also Hematopoietic stem cell § Nomenclature of hematopoietic colonies and lineages
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