when bone marrow-derived monocytic cells were synchronized and stimulated to proliferate with csf-1 , c-fgr transcripts ( but not transcripts from the highly related genes c-src or c-yes ) were induced 8 hr after the addition of csf-1 and decreased to low levels by 20 hr as the monocytic cells entered s phase .
C0007634
cells
C0080129
s phase