Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
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Κρήτη 72100
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Τετάρτη 26 Σεπτεμβρίου 2018

Regulation of systemic tissue injury by coagulation inhibitors in B6.MRL/lpr autoimmune mice

Publication date: Available online 25 September 2018

Source: Clinical Immunology

Author(s): C. Moratz, R. Robbins, J. Eickhoff, J. Edison, H. Lui, S. Peng

Abstract

Impaired fibrinolysis and complement activation in Systemic Lupus Erythematosus contributes to disease amplification including increased risk of thrombosis and tissue Ischemia/Reperfusion (IR) injury. Previous work has demonstrated complement is a key regulator of tissue injury. In these studies inhibitors had varying efficacies in attenuating injury at primary versus systemic sites, such as lung. In this study the role of coagulation factors in tissue injury and complement function was evaluated. Tissue Factor Pathway Inhibitor (TFPI), an extrinsic pathway inhibitor, and Anti-Thrombin III, the downstream common pathway inhibitor, were utilized in this study. TFPI was more effective in attenuated primary intestinal tissue injury. However both attenuated systemic lung injury. However, ATIII treatment resulting in enhanced degradation of C3 split products in lung tissue compared to TFPI. This work delineates the influence of specific early and late coagulation pathway components during initial tissue injury versus later distal systemic tissue injury mechanism.



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