that adp- or collagen-treated platelets can promote the proteolytic activation of factor xii in mixtures containing kallikrein and hmw kininogen was shown by ( 1 ) the proteolytic cleavage of factor xii , ( 2 ) the development of factor xiia coagulant activity , and ( 3 ) the proteolytic cleavage of 125i-labeled factor xii .
C0022478
kallikrein
C0597304
proteolytic