Abstract:The plasma-kallikrein kinin (contact) system contributes to the physiological and pathophysiological reactions of vascular biology. Activation of this pathway causes the release of the potent nonapeptide vasodilator bradykinin following proteolytic cleavage of high-molecular weight kininogen (HMWK) by the serine protease plasma kallikrein (pKal). Normal vascular homeostasis requires regulation of pKal activity by interactions with the C1-inhibitor (C1-INH). This is most apparent in individuals with hereditary … Show more
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