The Association of HOXD-AS2 and MIR3142HG Gene Polymorphisms with Cervical Intraepithelial Neoplasia
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摘要:
目的 探究靶向MAPK信号通路的HOXD-AS2、MIR3142HG基因多态性与宫颈上皮内瘤变(cervical intraepithelial neoplasia,CIN)的相关性。 方法 通过生物信息学工具筛选了2个单核苷酸多态性(single nucleotide polymorphism,SNP)位点,分别是位于HOXD-AS2启动子区域的rs1348808及位于MIR3142HG增强子区域的rs2431099。同时纳入了976名健康对照者和419名CIN患者,使用TaqMan探针法对其进行基因分型并分析与CIN的相关性。 结果 rs1348808的C等位基因可能是CIN3以及CIN2进展为CIN3的保护因素(OR = 0.77,95%CI:0.63~0.94;OR = 0.57,95%CI:0.37~0.90);rs2431099的A等位基因可能是CIN2的保护因素(OR = 0.50,95%CI:0.31~0.80)。 结论 HOXD-AS2、MIR3142HG的基因多态性可能与CIN相关。 Abstract:Objective To explore the association of HOXD-AS2 and MIR3142HG gene polymorphism with cervical intraepithelial neoplasia (CIN). Methods Two single nucleotide polymorphisms (SNPs) located in HOXD-AS2 (rs1348808) and located in MIR3142HG (rs2431099) were selected using bioinformatics tools. The two candidate SNPs were genotyped in 976 healthy individuals and 419 patients with CIN using the TaqMan probe method for genotyping, and the association with CIN were analyzed. Results rs1348808 C allele might be the protective factor for CIN3 as well as the progression from CIN2 to CIN3 (OR = 0.77, 95%CI: 0.63~0.94; OR = 0.57, 95%CI: 0.37~0.90). Similarly, rs2431099 A allele might be the protective factor of CIN2 (OR = 0.50, 95%CI: 0.31~0.80). Conclusion HOXD-AS2 and MIR3142HG gene polymorphisms might be associated with CIN. -
Key words:
- Cervical intraepithelial neoplasia /
- lncRNA /
- SNP /
- MAPK signaling pathway
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表 1 所选SNP位点信息
Table 1. The information of selected SNPs in the current study
SNPs 基因 功能 位置 等位基因 中国南方汉族人群MAF rs1348808 HOXD-AS2 启动子区域 Chr 2: 176135888 C>T 0.28 rs2431099 MIR3142HG 增强子区域 Chr 5: 160459613 A>G 0.33 表 2 2个SNP位点在3组中等位基因及基因型分布频率结果 [n (%)]
Table 2. Allele and genotype frequencies of two SNPs between three groups [n(%)]
SNPs 等位基因/基因型 对照组 CIN2组 CIN3组 χ2 P rs1348808 C 529(27.1) 34(33.3) 164(22.3) 9.348 0.009* T 1423 (72.9)68(66.7) 572(77.7) C/C 78(8.0) 3(5.9) 22(6.0) 13.525 0.009* C/T 373(38.2) 28(54.9) 120(32.6) T/T 525(53.8) 20(39.2) 226(61.4) rs2431099 A 720(36.9) 23(22.5) 254(34.5) 9.327 0.009* G 1232 (63.1)79(77.5) 482(65.5) A/A 136(13.9) 6(11.8) 36(9.8) 19.513 0.001* A/G 448(45.9) 11(21.5) 182(49.4) G/G 392(40.2) 34(66.7) 150(40.8) *P < 0.016(经Bonferroni校正,n = 3)。 表 3 rs1348808位点遗传模式分析
Table 3. The inheritance model analysis of rs1348808
模型 CIN3 vs 对照组 CIN3 vs CIN2 OR (95%CI) P AIC BIC OR (95%CI) P AIC BIC 共显性 T/T 1.00 0.037 1577.3 1592.9 1.00 0.008 306.6 318.7 C/T 0.75(0.58~0.97) 2.63(1.43~4.76) C/C 0.65(0.40~1.08) 1.54(0.42~5.56) 显性 T/T 1.00 0.012 1575.5 1586.0 1.00 0.003 305.4 313.5 C/T-C/C 0.73(0.57~0.93) 2.44(1.35~4.55) 隐性 T/T-C/T 1.00 0.200 1580.2 1590.7 1.00 0.980 314.3 322.4 C/C 0.73(0.45~1.19) 0.98(0.28~3.45) 超显性 T/T-C/C 1.00 0.056 1578.2 1588.6 1.00 0.002* 305.0 313.1 C/T 0.78(0.61~1.01) 2.50(1.39~4.55) 逻辑累加 --- 0.78(0.64~0.95) 0.012* 1575.5 1585.9 1.72(1.11~2.70) 0.018 308.8 316.9 *P < 0.05;且AIC和BIC值最小,为分组比较中的最优遗传模式。 表 4 rs2431099位点在CIN2组和对照组的比较中遗传模式分析
Table 4. The inheritance model analysis of rs2431099 between the CIN2 and control groups
模型 OR (95%CI) P AIC BIC 共显性 G/G 1 5.00×10−4 396.7 411.5 A/G 0.28(0.14~0.56) A/A 0.51(0.21~1.23) 显性 G/G 1 2.00×10−4* 395.9 405.7 A/G-A/A 0.34(0.18~0.61) 隐性 G/G-A/G 1 0.66 409.5 419.4 A/A 0.83(0.34~1.96) 超显性 G/G-A/A 1 4.00×10−4 397.2 407.1 A/G 0.32(0.16~0.64) 逻辑累加 --- 0.51(0.32~0.81) 0.003 400.7 410.6 *P < 0.05;且AIC和BIC值最小,为分组比较中的最优遗传模式。 -
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