the binding process to chick brain membranes retained specificity for intact app1-36 , as unlabeled bovine pp1-36 ( bpp1-36 ) inhibited specific binding of [ 125i ] iodo-app by 50 % at a concentration of 7 x 10 ( -9 ) m ( 10 times the ic50 level of unlabeled app ) .
C0006104
brain
C0086045
concentration