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Clin Calcium. 2007 Nov;17(11):1678-84.

[Vitamin K and bone quality].

[Article in Japanese]

Author information

  • 1Eisai Co., Ltd., Clinical Research Center, Applied Drug Research Department, Pharmacological Evaluation Section.

Abstract

Meta-analysis involving previous clinical studies showed that VK(2) decreased the incidence of fracture. In particular, the results based on the data on bone mineral density and fracture suggested that VK(2) improves bone quality. Preclinical studies regarding bone quality reported that VK(2) improved the trabecular microarchitecture (connectivity and width) in an ovariectomized model, and that VK(2) increased the bone strength without influencing the bone mineral content in a model fed a low-Mg diet and a vitamin C deficiency model, increasing the collagen level and proline hydroxylation. Thus, improvement in bone quality via actions on the bone geometry and collagen level/quality may be involved in a VK(2)-related decrease in the incidence of new fracture in clinical studies.

PMID:
17982187
[PubMed - indexed for MEDLINE]
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