• YIZHOU LI

      Articles written in Journal of Genetics

    • Osteoprotegerin polymorphisms are associated with alcohol-induced osteonecrosis of femoral head in Chinese Han population from Henan province

      YIZHOU LI YONGCHANG GUO QUANJIAN WANG YONGRI OUYANG YUJU CAO TIANBO JIN JIANZHONG WANG

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      Alcohol-induced osteonecrosis of femoral head (ONFH) is one of the most important pathogenesis of nontraumatic ONFH. However, its pathogenesis mechanism is still unknown. Osteoprotegerin (OPG) has been implicated in multiple functions including blocking osteoclast maturation, controlling vascular calcifications, promoting tumour growth and metastasis. This study is focussed on OPG gene polymorphisms associated with alcohol-induced ONFH. A total of 509 participants (209 patients and 300 normal individuals) were recruited, and we selected 13 single-nucleotide polymorphisms (SNPs) to evaluatethe association between genetic susceptibility variants and alcohol-induced ONFH by using the χ² test and genetic model analysis. Overall, OPG SNPs (rs1485286, rs1032128 and rs11573828) were confirmed the strongest increasing risks on alcohol-induced osteoporosis of femoral head in recessive model (rs1485286: OR, 1.71; 95% CI, 1.07–2.73; P = 0.025 for T/T); (rs1032128: OR, 1.73; 95% CI, 1.08–2.77; P = 0.022 for G/G); (rs11573828: OR, 3.89; 95% CI, 1.02–14.85; P = 0.033 for T/T). SNP rs11573856 was considered as a protective effect to the occurrence of alcohol-induced ONFH, while adjusted for age and gender in dominant and log-additive models (rs11573856: adjusted OR, 0.60; 95% CI, 0.37–0.96; P = 0.033 for G/A–A/A); (rs11573856: adjusted OR, 0.63; 95% CI, 0.41–0.96; P = 0.042). We conclude that OPG gene polymorphisms were associated with the occurrence of alcohol-induced ONFH.

    • Polymorphisms in VEGF-A are associated with COPD risk in the Chinese population from Hainan province

      YIPENG DING HUAN NIU YIZHOU LI PING HE QUANNI LI YANHONG Ouyang MIN LI ZHIGAO HU YOUQING ZHONG PEI SUN TIANBO JIN

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      In this study, we examined and validated how common variants contribute to susceptibility to chronic obstructive pulmonarydisease (COPD) in the Han Chinese population. Here, we genotyped 18 nucleotide polymorphisms and evaluated their associationwith COPD using chi-square test and genetic model analysis (246 COPD patients and 350 controls), and found threeSNPs that might cause a predisposition to COPD. Both rs3025030 and rs3025033 are located on chromosome 6 in VEGF-A.We found one risk allele ‘C’ from rs3025030 and another ‘G’ from rs3025033 using the log-additive model (OR 1.40; 95% CI1.05–5.96; P = 0.022), (OR 1.38; 95% CI 1.03–1.84; P = 0.03). We also found another risk allele ‘A’ of rs9296092 in generegion ZBTB9-BAK1 by the allele model (OR 2.63; 95% CI 1.27–5.45; P = 0.0078), (adjusted OR 3.53; 95% CI 1.12–11.11; P = 0.031).We found a risk haplotype ‘CG’ associated with the risk of COPD (OR 1.39; 95% CI 1.04–1.86; P = 0.028). Ourresults when compared with previous studies showed significant association between VEGF-A polymorphism and COPD. Wealso identified rs9296092 as a risk factor for COPD.

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