Produced by activated monocytes and neutrophils and expressed at sites of inflammation. Hematoregulatory chemokine, which, in vitro, suppresses hematopoietic progenitor cell proliferation. GRO-beta(5-73) shows a highly enhanced hematopoietic activity. . This is the function of CXCL2 (C-X-C motif chemokine ligand 2, Ensembl gene identifier ENSG00000081041).