treatment of cells for 24 h resulted in a dose-dependent decrease in odc mrna levels , with an estimated ic50 of approximately 1 x 10 ( -8 ) m for all-trans- and 13-cis-retinoic acid , while ro15-0778 was somewhat less effective ( ic50 approximately 1-5 x 10 ( -7 ) m ) .
C0029282
odc
C0022265
13-cis-retinoic acid