somatostatin at a concentration of 10 micrograms/ml inhibited 300 mg/dl glucose-stimulated proinsulin synthesis by 25 % from 448 +/- 25 dpm/microunits insulin to 336 +/- 25 dpm/microunits insulin ( disintegrations per minute in the proinsulin peak per microunit extractable insulin ) ( p less than 0.05 ) .
C0033362
proinsulin
C0021641
insulin