Liver Enzymes and Risk of Ischemic Heart Disease and Type 2 Diabetes Mellitus: A Mendelian Randomization Study.

Liver Enzymes and Risk of Ischemic Heart Disease and Type 2 Diabetes Mellitus: A Mendelian Randomization Study.
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DOI:
10.1038/srep38813
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发表时间:
2016-12-20
期刊:
影响因子:
4.6
通讯作者:
Schooling CM
Schooling CM
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Liu J;Au Yeung SL;Lin SL;Leung GM;Schooling CM

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我们使用孟德尔随机化来估计肝酶,丙氨酸氨基转移酶(ALT),碱性磷酸酶(ALP)和γ谷氨酰转移酶(GGT)对糖尿病和心血管疾病的因果影响,使用遗传变异预测这些肝酶在基因组范围内的意义,适用于糖尿病(DIAGRAM)和冠状动脉疾病(CAD)/心肌梗死(MI)的广泛基因分型病例对照研究(CARDIOGRAMplusC 4D 1000基因组)。遗传性ALT升高与糖尿病风险升高相关,比值比(OR)为2.99/100%浓度变化(95%置信区间(CI)1.62 - 5.52),但ALP OR为0.92(95% CI 0.71 - 1.19)和GGT OR为0.88(95% CI 0.75 - 1.04)。遗传学预测的ALT、ALP和GGT与CAD/MI无明显相关性(ALT OR 0.74,95% CI 0.54 - 1.01,ALP OR 0.86,95% CI 0.64 - 1.16和GGT OR 1.08,95% CI 0.97 - 1.19)。我们确认ALT增加糖尿病风险的观察结果,但不能排除较高的ALT可能保护免受CAD/MI的可能性。我们也不能排除GGT增加CAD/MI风险和降低糖尿病风险的可能性。应寻求对这些潜在矛盾关联的信息性解释。
We used Mendelian randomization to estimate the causal effects of the liver enzymes, alanine aminotransferase (ALT), alkaline phosphatase (ALP) and gamma glutamyltransferase (GGT), on diabetes and cardiovascular disease, using genetic variants predicting these liver enzymes at genome wide significance applied to extensively genotyped case-control studies of diabetes (DIAGRAM) and coronary artery disease (CAD)/myocardial infarction (MI) (CARDIoGRAMplusC4D 1000 Genomes). Genetically higher ALT was associated with higher risk of diabetes, odds ratio (OR) 2.99 per 100% change in concentration (95% confidence interval (CI) 1.62 to 5.52) but ALP OR 0.92 (95% CI 0.71 to 1.19) and GGT OR 0.88 (95% CI 0.75 to 1.04) were not. Genetically predicted ALT, ALP and GGT were not clearly associated with CAD/MI (ALT OR 0.74, 95% CI 0.54 to 1.01, ALP OR 0.86, 95% CI 0.64 to 1.16 and GGT OR 1.08, 95% CI 0.97 to 1.19). We confirm observations of ALT increasing the risk of diabetes, but cannot exclude the possibility that higher ALT may protect against CAD/MI. We also cannot exclude the possibility that GGT increases the risk of CAD/MI and reduces the risk of diabetes. Informative explanations for these potentially contradictory associations should be sought.
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