synthetic analog of granulocyte chalone; initially identified in extracts of rodent bone marrow and human leukocytes; monomer inhibits both formation of GM-CFC colonies and cytotoxic drug induced recruitment of murine CRU-S cells into active cell cycle; dimer has stimulatory activity
MeSH Pharmacological ClassificationEndogenous or exogenous substances which inhibit the normal growth of human and animal cells or micro-organisms, as distinguished from those affecting plant growth (= PLANT GROWTH REGULATORS).