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Reduced Vitamin K Status as a Potentially Modifiable Risk Factor of Severe Coronavirus Disease 2019.

Anton S M DofferhoffIanthe PiscaerLeon J SchurgersMargot P J VisserJody M W van den OuwelandPim A de JongReinoud GosensTilman M HackengHenny van DaalPetra LuxCecile MaassenEsther G A KarssemeijerCees VermeerEmiel F M WoutersLoes E M KistemakerJona WalkRob Janssen
Published in: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America (2021)
dp-ucMGP was severely increased in COVID-19 patients, indicating extrahepatic vitamin K insufficiency, which was related to poor outcome; hepatic procoagulant factor II remained unaffected. These data suggest pneumonia-induced extrahepatic vitamin K depletion leading to accelerated elastic fiber damage and thrombosis in severe COVID-19 due to impaired activation of MGP and endothelial protein S, respectively.
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