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基于明尼苏达州的一项以人群为基础的病例对照研究表明,与糖尿病相关的基因可能与胰腺癌有关。

Genes related to diabetes may be associated with pancreatic cancer in a population-based case-control study in Minnesota.

机构信息

Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN 55455, USA.

出版信息

Pancreas. 2012 Jan;41(1):50-3. doi: 10.1097/MPA.0b013e3182247625.

Abstract

OBJECTIVES

Type 2 diabetes is associated with increased pancreatic cancer risk; however, the nature of this relationship is not clear. We examined the link between 10 diabetes-related single-nucleotide polymorphisms and pancreatic cancer in a case-control study conducted in 1994 to 1998.

METHODS

Cases (n = 162) were ascertained from hospitals in the Twin Cities and Mayo Clinic, Minn. Controls (n = 540) from the general population were frequency matched by age, sex, and race. Unconditional logistic regression provided odds ratios of pancreatic cancer and 95% confidence intervals (95% CIs).

RESULTS

In a multivariate-adjusted model, a significant association was observed only for rs780094 in the glucokinase regulator (GCKR) gene: odds ratios for pancreatic cancer were 1.00 for TT, 1.35 (95% CI, 0.71-2.58) for CT, and 2.14 (95% CI, 1.12-4.08) for CC genotypes (P trend = 0.01) and did not change after the adjustment for diabetes.

CONCLUSIONS

This study provides the first evidence that GCKR rs780094, a single-nucleotide polymorphism related to diabetes, may be associated with pancreatic cancer risk. Although the results from this analysis are preliminary, there is a biologic plausibility for such an association.

摘要

目的

2 型糖尿病与胰腺癌风险增加相关;然而,这种关系的性质尚不清楚。我们在 1994 年至 1998 年进行的病例对照研究中,研究了 10 个与糖尿病相关的单核苷酸多态性与胰腺癌之间的联系。

方法

病例(n=162)从明尼苏达州双城和梅奥诊所的医院确定。对照组(n=540)来自普通人群,按年龄、性别和种族进行频数匹配。非条件逻辑回归提供了胰腺癌的比值比和 95%置信区间(95%CI)。

结果

在多变量调整模型中,仅在葡萄糖激酶调节因子(GCKR)基因中的 rs780094 观察到显著关联:胰腺癌的比值比分别为 TT 基因型的 1.00、CT 基因型的 1.35(95%CI,0.71-2.58)和 CC 基因型的 2.14(95%CI,1.12-4.08)(P 趋势=0.01),并且在调整糖尿病后没有变化。

结论

这项研究首次提供了证据表明,与糖尿病相关的 GCKR rs780094 单核苷酸多态性可能与胰腺癌风险相关。尽管该分析的结果是初步的,但这种关联具有生物学上的合理性。

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