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Mol Nutr Food Res. 2014 Aug;58(8):1620-35. doi: 10.1002/mnfr.201300743. Epub 2014 Feb 17.

The realm of vitamin K dependent proteins: shifting from coagulation toward calcification.

Author information

1
Department of Biochemistry, Cardiovascular Research Institute Maastricht, Maastricht University Medical Centre, Maastricht, The Netherlands; VitaK BV, Maastricht University, Maastricht, The Netherlands.

Abstract

In the past few decades vitamin K has emerged from a single-function "haemostasis vitamin" to a "multi-function vitamin." The use of vitamin K antagonists (VKA) inevitably showed that the inhibition was not restricted to vitamin K dependent coagulation factors but also synthesis of functional extrahepatic vitamin K dependent proteins (VKDPs), thereby eliciting undesired side effects. Vascular calcification is one of the recently revealed detrimental effects of VKA. The discovery that VKDPs are involved in vascular calcification has propelled our mechanistic understanding of this process and has opened novel avenues for diagnosis and treatment. This review addresses mechanisms of VKDPs and their significance for physiological and pathological calcification.

KEYWORDS:

Gla-rich protein; Matrix Gla protein; Osteocalcin; Vascular calcification; Vitamin K

PMID:
24668744
DOI:
10.1002/mnfr.201300743
[Indexed for MEDLINE]

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