title: Retinoic acid induces a G1 cell cycle block in HeLa cells.
mesh_terms: D002453:Cell Cycle / Q000187:drug effects; D002478:Cells, Cultured; D004247:DNA / Q000037:antagonists & inhibitors / Q000096:biosynthesis; D006128:Growth / Q000187:drug effects; D006367:HeLa Cells / Q000187:drug effects*; D006801:Humans; D014212:Tretinoin / Q000494:pharmacology*
chemical_list: D014212:Tretinoin; D004247:DNA