p53 Arg72Pro多态性与新疆维吾尔族和汉族妇女宫颈癌发生的相关性

Relationship between p53 Arg72Pro polymorphism and cervical carcinoma in Uigur and Han women in Xinjiang

目的探讨p53 Arg72Pro多态性与新疆维吾尔族、汉族妇女宫颈癌发生及与HPV感染宫颈癌的相关性。方法采用聚合酶链反应-限制性片段长度多态性分析（PCR—RFLP）方法检测152例维吾尔族妇女宫颈癌组织及110例非癌宫颈组织、120例汉族妇女宫颈癌组织及122例非癌宫颈组织中p53 Arg／Arg、Pro／Pro、Arg／Pro三种基因型的分布。结果比较维吾尔族妇女宫颈癌和非癌对照组中p53基因型总构成比，差异有统计学意义（χ^2=7．196，P〈0．05），Arg／Arg所占比例在维吾尔族妇女宫颈癌组高于非癌对照组。比较汉族妇女宫颈癌和非癌对照组中p53基因型总构成比，差异有统计学意义（χ^2=8．231，P〈0．025），Pro／Pro所占比例在汉族妇女宫颈癌组高于对照组。比较维吾尔族妇女宫颈癌中HPV16阳性组和阴性组p53基因型构成比，差异有统计学意义（χ^2=7．177，P〈0．05），Arg／Arg所占比例在HPV16阳性组高于阴性组。结论p53 Arg／Arg基因型可能是新疆维吾尔族妇女宫颈癌发生的遗传易感因素，且与维吾尔族妇女HPV相关宫颈癌的发生有关。p53 Pro／Pro基因型可能是新疆汉族妇女宫颈癌发生的遗传易感因素。新疆维吾尔族妇女与汉族妇女宫颈癌的发生可能存在遗传易感性方面的差异。

Objective To investigate the association between p53 Arg72Pro polymorphism and cervical carcinomas HPV-associated cervical carcinoma in Uigur and Han women. Methods The distribution and frequencies of p53 Arg72Pro genotypes were determined by PCR-RFLP in 152 cases of cervical carcinoma in ethnic Uigur women with 110 cases of normal control and 120 cases of cervical carcinoma in Han women with 122 cases of normal control. Results The omni-constituent ratio of p53 genotype was statistically different between cervical carcinoma and normal control groups in the Uigur （χ^2 = 7. 196, P 〈 0. 05 ） group. The proportion of Arg/Arg was higher in cervical carcinomas than that in control. The omni-constituent ratio of p53 genotype was statistically different between cervical carcinoma and normal control groups in Han （ χ^2 = 8.231, P 〈 0. 025 ）. The proportion of Pro/Pro was higher in cervical carcinoma than that in normal control. The omni-constituent ratio was statistically different between HPV 16 positive and negative groups of cervical carcinoma in the Uigur group （ χ^2 = 7. 177, P 〈 0. 05 ）. The proportion of Arg/Arg was higher in HPV 16 positive group than that in HPV 16 negative group. Conclusions p53 Arg72Pro polymorphism may be associated with the development of cervical carcinoma in Uigur and Han women in Xinjiang. p53 Arg/Arg genotype may be a genetically susceptible factor to HPV- associated cervical carcinoma in Uigur. p53 Pro/Pro genotype may be a genetically susceptible factor to cervical carcinoma in Han. There may be different susceptibilities to cervical cancer between Uigur and Han women in Xinjiang.