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首页> 外文期刊>Cytokine >Factors regulating circulating vascular endothelial growth factor (VEGF): association with bone mineral density (BMD) in post-menopausal osteoporosis.
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Factors regulating circulating vascular endothelial growth factor (VEGF): association with bone mineral density (BMD) in post-menopausal osteoporosis.

机译:调节循环血管内皮生长因子(VEGF)的因素:与绝经后骨质疏松症中的骨矿物质密度(BMD)相关。

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摘要

Vascular endothelial growth factor (VEGF) plays an important role in bone health. We investigated the factors which influence circulating VEGF and their association with bone mineral density (BMD). Two hundred and fifty two post-menopausal women aged 64.5 [9.2] years were studied. BMD was determined at the lumbar spine (LS), femoral neck (FN) and total hip (TH). Serum oestradiol and VEGF were measured. Subjects were genotyped for two polymorphic variants in the 5' untranslated region of the VEGF gene; G(634)C and C(936)T. Positive correlations were seen between circulating VEGF and BMI (r=0.2, p<0.02) and oestradiol (r=0.25, p<0.001). Following multi-linear regression analysis, serum VEGF was associated with the G(634) polymorphism (p=0.08) and dietary calcium intake (p=0.02). The association with calcium intake may be mediated by PTH as suggested by the in vitro studies. Following correction for confounders, there was no association between circulating VEGF and BMD at any site. Both VEGF polymorphisms were significant predictors of LS BMD G(634)C: p=0.017 and C(936)T: p=0.05. Circulating VEGF may be influenced by genetic, environmental and endocrine factors. Polymorphic variants in the VEGF gene are associated with spine BMD. Further larger studies are needed.
机译:血管内皮生长因子(VEGF)在骨骼健康中起重要作用。我们调查了影响循环VEGF的因素及其与骨矿物质密度(BMD)的关系。研究了542名64.5 [9.2]岁的绝经后妇女。在腰椎(LS),股骨颈(FN)和全髋(TH)确定BMD。测量血清雌二醇和VEGF。对受试者的VEGF基因5'非翻译区中的两个多态性变体进行基因分型。 G(634)C和C(936)T。在循环的VEGF和BMI(r = 0.2,p <0.02)和雌二醇(r = 0.25,p <0.001)之间发现正相关。经过多线性回归分析,血清VEGF与G(634)多态性(p = 0.08)和饮食钙摄入量(p = 0.02)相关。体外研究表明,PTH可介导钙摄入的相关性。校正混杂因素后,在任何部位循环的VEGF和BMD之间都没有关联。两种VEGF多态性都是LS BMD G(634)C:p = 0.017和C(936)T:p = 0.05的重要预测因子。循环中的VEGF可能受到遗传,环境和内分泌因素的影响。 VEGF基因的多态性变异与脊柱BMD相关。需要进行更大的研究。

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