Current osteoporosis reports · 2022
The Role of Vitamin K in CKD-MBD.
СтатьяОбзорНазвание и аннотация: Перевод в очереди
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Fusaro Maria, Tondolo Francesco, Gasperoni Lorenzo, Tripepi Giovanni, Plebani Mario, Zaninotto Martina, Nickolas Thomas L, Ketteler Markus, Aghi Andrea, Politi Cristina, La Manna Gaetano, Brandi Maria Luisa, Ferrari Serge, Gallieni Maurizio, Mereu Maria Cristina, Cianciolo Giuseppe
Аннотация
PURPOSE OF REVIEW: We describe the mechanism of action of vitamin K, and its implication in cardiovascular disease, bone fractures, and inflammation to underline its protective role, especially in chronic kidney disease (CKD).
RECENT FINDINGS: Vitamin K acts as a coenzyme of y-glutamyl carboxylase, transforming undercarboxylated in carboxylated vitamin K-dependent proteins. Furthermore, through the binding of the nuclear steroid and xenobiotic receptor, it activates the expression of genes that encode proteins involved in the maintenance of bone quality and bone remodeling. There are three main types of K vitamers: phylloquinone, menaquinones, and menadione. CKD patients, for several conditions typical of the disease, are characterized by lower levels of vitamin K than the general populations, with a resulting higher prevalence of bone fractures, vascular calcifications, and mortality. Therefore, the definition of vitamin K dosage is an important issue, potentially leading to reduced bone fractures and improved vascular calcifications in the general population and CKD patients.
RECENT FINDINGS: Vitamin K acts as a coenzyme of y-glutamyl carboxylase, transforming undercarboxylated in carboxylated vitamin K-dependent proteins. Furthermore, through the binding of the nuclear steroid and xenobiotic receptor, it activates the expression of genes that encode proteins involved in the maintenance of bone quality and bone remodeling. There are three main types of K vitamers: phylloquinone, menaquinones, and menadione. CKD patients, for several conditions typical of the disease, are characterized by lower levels of vitamin K than the general populations, with a resulting higher prevalence of bone fractures, vascular calcifications, and mortality. Therefore, the definition of vitamin K dosage is an important issue, potentially leading to reduced bone fractures and improved vascular calcifications in the general population and CKD patients.