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Type: Artigo
Title: Vitamin K role in mineral and bone disorder of chronic kidney disease
Author: de Oliveira, R.B.
Stinghen A.E.M.
Massy Z.A.
Abstract: Vitamin K is a key cofactor for the activation of proteins involved in blood coagulation, apoptosis, bone mineralization regulation, and vessel health. Scientific evidence shows an important role of activated osteocalcin and matrix-Gla protein in bone and vessels, markedly affected along the course of chronic kidney disease (CKD). In fact, CKD corresponds to an unique condition of vitamin K deficiency caused by dietary restriction, intestinal dysfunction, and impaired vitamin K recycling. Clinical data suggest that vitamin K status can be modulated and this prompts us to speculate whether patients with CKD might benefit from vitamin K supplementation. However, as important as whether the improvement in vitamin K status would be able to result in better bone quality, less vascular calcification, and lower mortality rates, several issues need to be clarified. These include better standardized methods for measuring vitamin K levels, and definition of the optimal concentration range for supplementation in different subgroups. Here, we review the literature data concerning the impact of vitamin K deficiency and supplementation on CKD-associated mineral and bone disorders (CKD-MBD). We present and discuss the available evidence from basic science and clinical studies, and highlight perspectives for further research
Subject: Vitamina K
Doenças cardiovasculares
Country: Holanda
Editor: Elsevier
Rights: Fechado
Identifier DOI: 10.1016/j.cca.2019.11.040
Date Issue: 2020
Appears in Collections:FCM - Artigos e Outros Documentos

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