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- Title
Human plasma kallikrein: roles in coagulation, fibrinolysis, inflammation pathways, and beyond.
- Authors
Motta, Guacyara; Juliano, Luiz; Ribeiro Chagas, Jair
- Abstract
Human plasma kallikrein (PKa) is obtained by activating its precursor, prekallikrein (PK), historically named the Fletcher factor. Human PKa and tissue kallikreins are serine proteases from the same family, having high- and low-molecular weight kininogens (HKs and LKs) as substrates, releasing bradykinin (Bk) and Lys-bradykinin (Lys-Bk), respectively. This review presents a brief history of human PKa with details and recent observations of its evolution among the vertebrate coagulation proteins, including the relations with Factor XI. We explored the role of Factor XII in activating the plasma kallikrein-kinin system (KKS), the mechanism of activity and control in the KKS, and the function of HK on contact activation proteins on cell membranes. The role of human PKa in cell biology regarding the contact system and KSS, particularly the endothelial cells, and neutrophils, in inflammatory processes and infectious diseases, was also approached. We examined the natural plasma protein inhibitors, including a detailed survey of human PKa inhibitors' development and their potential market.
- Subjects
HONG Kong (China); KALLIKREIN; MEMBRANE proteins; SERINE proteinases; FIBRINOLYSIS; BLOOD proteins
- Publication
Frontiers in Physiology, 2023, p1
- ISSN
1664-042X
- Publication type
Article
- DOI
10.3389/fphys.2023.1188816