| umls-concept:C0018284 | skos:definition | CSP: signal molecules that are involved in the control of cell growth and differentiation.,NCI: Substances made by the body that function to regulate cell division and cell survival. Some growth factors are also produced in the laboratory and used in biological therapy.,NCI: Growth Factors are extracellular signaling molecules (ligands) involved in control of target cell proliferation, cell survival, and cell differentiation. (NCI) | lld:umls |
