ASCO2017:饮酒由醛脱氢酶2基因型调控:胃癌的潜在危险因素?

2017-06-05 xiangting MedSci原创

在初步分析中观察到了饮酒与胃癌风险之间的剂量反应关系。然而,ALDH2基因型不能改变饮酒情况。

在酒精代谢中醛脱氢酶2(ALDH 2)的作用已被确定,但是ALDH2基因型与导致胃癌的作用之间的关联仍存在争议。

来自复旦大学中山医院的研究人员回顾性分析了2016年3月至2016年9月间于上海市中山医院住院的292名受试者资料。所有受试者被分为病例组(术后病理诊断为胃癌)和对照组。比较了醛脱氢酶2的基因型分布、饮酒情况与其他临床指标。Logistic回归模型包括年龄、性别、吸烟和饮酒情况、家族史和ALDH2基因型。计算了调整优势比(OR)。

病例组中酒精消费量明显升高(P=0.033)。具有ALDH2 *1/*2和*2/*2基因型的受试者比ALDH2 *1/*1显示了更少的饮酒倾向(P<0.001)。在调整饮酒情况后ALDH2基因型之间的胃癌风险没有统计学差异[不/很少饮酒者:OR 1.121,95%置信区间(CI)0.555-2.263);轻度饮酒者:OR 3.380,95%CI 0.232-49.240;和重度:OR 2.416,95%CI 0.326-14.151)。进一步的分析表明,体重指数(BMI)高和重度吸烟是ALDH2 *1/*2或*2/*2基因型的轻/重度饮酒者患胃癌的独立危险因素(BMI:OR 84.736,P = 0.021;吸烟:OR 3.904, P =0.037)。

在初步分析中观察到了饮酒与胃癌风险之间的剂量反应关系。然而,ALDH2基因型不能改变饮酒情况。这项研究结果表明,可能还有其他途径来进一步解释饮酒导致胃癌的机制。

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    2018-04-15 quxin068
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    2017-06-06 changjiu

    适量饮酒怎么样呢

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