Intrinsic pathway of coagulation and arterial thrombosis
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Intrinsic pathway of coagulation and arterial thrombosis. / Gailani, David; Renné, Thomas.
in: ARTERIOSCL THROM VAS, Jahrgang 27, Nr. 12, 01.12.2007, S. 2507-13.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - Intrinsic pathway of coagulation and arterial thrombosis
AU - Gailani, David
AU - Renné, Thomas
PY - 2007/12/1
Y1 - 2007/12/1
N2 - Formation of a fibrin clot is mediated by a group of tightly regulated plasma proteases and cofactors. While this system is essential for minimizing blood loss from an injured blood vessel (hemostasis), it also contributes to pathologic fibrin formation and platelet activation that may occlude vessels (thrombosis). Many antithrombotic drugs target key elements of the plasma coagulation mechanism such as thrombin and factor Xa, based on the premise that plasma elements contributing to thrombosis are primarily those involved in hemostasis. Recent studies with genetically altered mice raise questions about this paradigm. Deficiencies of the intrinsic pathway proteases factor XII and factor XI are not associated with abnormal hemostasis in mice, but impair formation of occlusive thrombi in arterial injury models, indicating that pathways not essential for hemostasis participate in arterial thrombosis. If factor XII or factor XI make similar contributions to thrombosis in humans, these proteases could be ideal targets for drugs to treat or prevent thromboembolic disease with minimal risk of therapy-associated bleeding.
AB - Formation of a fibrin clot is mediated by a group of tightly regulated plasma proteases and cofactors. While this system is essential for minimizing blood loss from an injured blood vessel (hemostasis), it also contributes to pathologic fibrin formation and platelet activation that may occlude vessels (thrombosis). Many antithrombotic drugs target key elements of the plasma coagulation mechanism such as thrombin and factor Xa, based on the premise that plasma elements contributing to thrombosis are primarily those involved in hemostasis. Recent studies with genetically altered mice raise questions about this paradigm. Deficiencies of the intrinsic pathway proteases factor XII and factor XI are not associated with abnormal hemostasis in mice, but impair formation of occlusive thrombi in arterial injury models, indicating that pathways not essential for hemostasis participate in arterial thrombosis. If factor XII or factor XI make similar contributions to thrombosis in humans, these proteases could be ideal targets for drugs to treat or prevent thromboembolic disease with minimal risk of therapy-associated bleeding.
KW - Animals
KW - Anticoagulants
KW - Blood Coagulation
KW - Disease Models, Animal
KW - Factor XI
KW - Factor XI Deficiency
KW - Factor XII
KW - Factor XII Deficiency
KW - Fibrin
KW - Hemostasis
KW - Humans
KW - Infarction, Middle Cerebral Artery
KW - Mice
KW - Mice, Knockout
KW - Protease Inhibitors
KW - Reperfusion Injury
KW - Thromboembolism
KW - Thrombosis
U2 - 10.1161/ATVBAHA.107.155952
DO - 10.1161/ATVBAHA.107.155952
M3 - SCORING: Journal article
C2 - 17916770
VL - 27
SP - 2507
EP - 2513
JO - ARTERIOSCL THROM VAS
JF - ARTERIOSCL THROM VAS
SN - 1079-5642
IS - 12
ER -