in view of the recent reports that il-1 induces interleukin 6 ( il-6 ) in fibroblasts and macrophages and that il-6 and interleukin 3 ( il-3 ) are the main growth factors for b1-cfc , we have examined the ability of these interleukins to protect early human hematopoietic progenitor cells from the cytotoxic effects of 4-hc .
C0021760
il-6
C0021764
interleukins