after 24 hours of exposure 0.5 u/ml of crude or 0.6 ng/ml of recombinant il-1 ( beta ) increased the ( pro ) insulin biosynthesis by 42 % and 58 % , respectively , whereas a 10-fold greater concentration of il-1 decreased the ( pro ) insulin biosynthesis by 74 % and 89 % , respectively .
C0021753
recombinant il-1
C0021755
il-1