incubating the cells with the ca++ channel antagonists d600 ( 50 microm ) , verapamil ( 50 microm ) , and the dihydropyridine nifedipine ( 0.1 microm ) decreased basal pomc mrna levels , whereas the dihydropyridine bayk 8644 ( 0.1 microm ) , which activates the ca++ channel , increased pomc mrna levels after 2 days .
C0028066
nifedipine
C0012315
dihydropyridine