Correlation between rs4580704 Polymorphism of CLOCL Gene and Type 2 Diabetes and Sleep Quality
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摘要:
目的 研究CLOCK基因rs4580704位点多态性对睡眠质量的影响、对2型糖尿病发生发展的影响,以及两者之间可能的联系。 方法 使用飞行时间质谱方法检测CLOCK基因rs4580704多态性,对2型糖尿病组和健康对照组的基因型、睡眠质量等指标分别进行比较。 结果 病例组CLOCK基因rs4580704位点的GC型、GG型比例高于对照组(P < 0.05);GG基因型睡眠质量明显降低( P < 0.05)。 结论 CLOCK基因rs4580704位点G等位基因可能与睡眠质量降低和2型糖尿病的发生发展有关,而C等位基因则可能是保护性因素。 Abstract:Objective To study the effects of CLOCK rs4580704 site polymorphism on sleep quality, the effect on occurrence and development of type 2 diabetes mellitus, and the possible relevance between the two investigations. Methods We tested the polymorphism of CLOCK rs4580704 by time of flight mass spectrum, and compared indicators of genotypes and sleep quality of the case group and the control group respectively. Results The proportion of GC type and GG type of CLOCK rs4580704 in the case group was higher than that in the control group. The sleep quality of GG genotype was significantly degraded. Conclusion Allele G of CLOCK rs4580704 is possibly associated with sleep quality degradation and the occurrence and development of type 2 diabetes mellitus, while allele C is possibly the protective factor. -
Key words:
- Type 2 diabetes mellitus /
- CLOCK gene /
- Sleep quality /
- Single nucleotide polymorphism
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表 1 病例组和对照组基本组成( $\bar x \pm s $)
Table 1. Basic composition of case group and control group ( $\bar x \pm s $)
项目 病例组(n= 200) 对照组(n= 180) χ2/t P 性别(男/女) 111/89 85/95 0.2022 0.653 年龄(岁) 59.34 ± 13.80 57.76 ± 14.62 1.0829 0.2796 吸烟 [n(%)] 54(27) 58(32.2) 1.2429 0.265 表 2 病例组和对照组基因频率和睡眠质量比较[n(%)]
Table 2. Comparison of gene frequency and sleep quality between case group and control group [n(%)]
组别 n PSQI CC GC GG 对照组 180 10.30 ± 3.30 126(70.0) 46(25.5) 8(4.5) 病例组 200 13.29 ± 5.34 88(44.0) 98(49.0) 14(7.0) χ2 6.471 26.1817 P < 0.001 < 0.001 表 3 病例组和对照组等位基因频率比较[n(%)]
Table 3. Comparison of allele frequency between case group and control group [n(%)]
组别 n C G 对照组 180 298(82.7) 62(17.2) 病例组 200 274 (68.5) 126(31.5) χ2 20.7464 P < 0.001 表 4 病例组rs4580704单因素分析( $ \bar x \pm s$)
Table 4. Single factor analysis of rs4580704 in case group ( $\bar x \pm s $)
因素 CC型(n= 88) GC型(n= 98) GG 型(n= 14) F P PSQI得分 10.35 ± 3.99 15.41 ± 5.22 16.794 ± 4.56 31.50 < 0.001 空腹胰岛素(uIU/mL) 10.61 ± 3.21 9.84 ± 2.99 8.42 ± 2.87 3.63 0.0028 空腹血糖(mmol/L) 8.46 ± 2.29 8.86 ± 3.46 8.46 ± 3.20 0.46 0.6322 胰岛素抵抗指数 3.89 ± 1.74 3.91 ± 2.05 5.57 ± 2.79 4.60 0.011* 甘油三酯TG(mmol/L) 2.32 ± 0.67 2.54 ± 1.09 3.07 ± 1.12 4.30 0.0149 *糖化血红蛋白HbA1c(%) 7.87 ± 2.14 8.25 ± 3.05 9.82 ± 3.21 3.20 0.0431 *低密度脂蛋白胆固醇LDL-C(mmol/L) 3.32 ± 1.64 3.51 ± 1.79 4.74 ± 2.49 3.82 0.0236 *总胆固醇TC(mmol/L) 4.66 ± 1.90 5.16 ± 2.82 6.51 ± 3.21 3.56 0.0302 *体重指数BMI(kg/m2) 24.67 ± 3.97 25.04 ± 4.53 23.35 ± 4.76 0.98 0.3772 *P < 0.05。 -
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