the inhibition was dose-dependent and specific since ( i ) the same antibody had no effect on progesterone-induced maturation , ( ii ) immunoprecipitation and western blotting indicated that the antibody recognized a single protein of molecular weight 21,000 in oocyte extracts , and ( iii ) inhibition was not observed with identical concentrations of normal immunoglobulin .
C0003241
antibody
C0021027
immunoglobulin