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| 中国2型糖尿病患者核呼吸因子1基因变异和关联分析 |
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| Genetic variation and association analyses of the nuclear respiratory factor 1 (nRF1) gene in Chinese patients with type 2 diabetes |
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| Liu Y., Liu Y., Niu N., Zhu X., Du T., Wang X., Chen D., Wu X., Gu H.F. 2009/5/29 18:38:57 |
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【发表评论】
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Diabetes, 2008, Volume 57, Issue 3
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| OBJECTIVE-Nuclear respiratory factor 1 (NRF1) is a strong biological and positional candidate to contribute to type 2 diabetes susceptibility. This study aimed at evaluating associations between NRF1 genetic polymorphisms and development of type 2 diabetes. RESEARCH DESIGN AND METHODS-Using a variation screening approach, 6 novel and 10 known single nucleotide polymorphisms (SNPs) in the NRF1 gene were identified. Nine SNPs were then selected using pairwise tagging with an r2 cutoff of 0.8 and/or minor allele frequency of >5% and genotyped in 596 type 2 diabetic patients and 431 nondiabetic subjects, all of whom were Han Chinese. RESULTS-Two novel SNPs (-46127T>C and +98560A>G) were associated with type 2 diabetes (P = 0.018 and 0.036; for possession of minor allele, odds ratio [OR] 0.620 and 3.199, with dominant model and correction for multiple comparisons). In SNP rsl882094 (+141G>T), the nondiabetic control subjects carrying GG genotype had lower fasting plasma glucose levels than carriers with other genotypes (P = 0.0002). One common haplotype (H2) mainly composed of SNPs rs6969098 (-24833 A>G), rsl882094, and another novel variant (+97884G>A) was significantly associated with type 2 diabetes (P = 0.016, OR 0.706). Subjects with this haplotype had lower fasting triglyceride levels when compared with those with other haplotypes (P = 0.010). CONCLUSIONS-The present study shows an association of SNPs in the NRF1 gene with type 2 diabetes in a Han Chinese population. NRF1 genetic polymorphisms may be a suspectibility factor for type 2 diabetes by conferring abnormalities in triglyceride metabolism. Further studies should replicate this finding using larger and racially diverse populations. © 2008 by the American Diabetes Association. |
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| Correspondence Address: Liu, Y.; National Laboratory of Medical Molecular Biology, Institute of BasicMedicine, Sciences, Chinese Academy of Medical Sciences, 5 Dongdan 3 Tiao, Beijing 100005, China; email: liuyingpumc@yahoo.com |
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 疾病资源中心
王燕燕 王曙
上海交通大学附属瑞金医院内分泌科
患者，女，69岁。2009年1月无明显诱因下出现乏力，当时程度较轻，未予以重视。2009年3月患者乏力症状加重，尿色逐渐加深，大便习惯改变，颜色变淡。4月18日入我院感染科治疗，诉轻度头晕、心慌，体重减轻10kg。无肝区疼痛，无发热，无腹痛、腹泻、腹胀、里急后重，无恶性、呕吐等。入院半月前于外院就诊，查肝功能：ALT 601IU/L，AST 785IU/L，TBIL 97.7umol/L，白蛋白 41g/L，甲状腺功能：游离T3 30.6pmol/L，游离T4 51.9pmol/L，心电图示快速房颤。
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