treatment for 2 days ( day 1-3 after seeding ) with 10 ( -4 ) m or 10 ( -3 ) m dibutyryl cyclic adenosine 3',5'-monophosphate ( db cyclic amp ) or 10 ( -4 ) m 8-bromo cyclic amp stimulated galc radiolabelling .
C0001455
cyclic amp
C0000661
8-bromo cyclic amp