Hormone that seems to suppress insulin ability to stimulate glucose uptake into adipose cells (By similarity). Potentially links obesity to diabetes (By similarity). Promotes chemotaxis in myeloid cells (PubMed:15064728). {ECO:0000250|UniProtKB:Q99P87, ECO:0000269|PubMed:15064728}. This is the function of ENSG00000104918 (RETN, resistin).