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STAT4基因多态性与原因不明复发性流产易感性的相关性研究 被引量:7

Association of polymorphisms in signal transducer and activator of transcription 4 gene and the susceptibility to unexplained recurrent spontaneous abortions
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摘要 【摘要】目的探讨信号转导与转录激活因子4(STAT4)基因多态性与原因不明复发性流产(URSA)的易感相关性。方法分别采用PCR一限制性片段长度多态性(PCR—RFLP)技术检测并比较246例URSA患者(URSA组)和183例健康妇女(对照组)STAT4基因3个位点(rs7574865G/T、rsl0181656C/G及rsl6833431C/T)的基因型分布。结果(1)rs7574865及rsl0181656位点:在URSA组和对照组中,rs7574865位点基因型频率分别为G/G基因型36.2%(89/246)、46.4%(85/183),G/T基因型47.2%(116/246)、45.4%(83/183),T/T基因型16.7%(41/246)、8.2%(15/183);rsl0181656位点基因型频率分别为C/C基因型36.6%(90/246)、46.4%(85/183),C/G基因型48.O%(118/246)、44.8%(82/183),G/G基因型15.4%(38/246)、8.7%(16/183);两个位点基因型频率在两组间分别比较,差异均有统计学意义(P〈0.05)。rs7574865T与rsl0181656G等位基因明显增加URSA的发病风险(OR=1.51、1.44,P均〈0.05);(2)rsl6833431位点:3种基因型和C、T等位基因频率在URSA组和对照组间比较,差异均无统计学意义(P=0.43、0.48);(3)单体型分析:G—T单体型使URSA的发病风险明显增加(OR=1.49,P〈0.01),而C—G单体型则减少URSA的发病风险(OR=0.68,P〈0.叭)。结论STAT4基因多态性可能通过影响其表达或功能来增加URSA易感性。 Objective To investigate the association between the polymorphisms of signal transducer and activator of transcription 4 ( STAT4 ) gene and the susceptibility to unexplained recurrent spontaneous abortion(URSA). Methods PCR-restriction fragment length polymorphism (PCR-RFLP) was used to detect genotype 3 loca (rs7574865 G/T, rs10181656 C/G and rs16833431 C/T) polymorphism of STAT4 in 246 URSA cases ( URSA group ) and 183 normal controls ( control group ). Results ( 1 ) The frequencies of rs7574865 were genotype G/G of 36. 2% (89/246) in URSA group and 46.4% (85/183) in control group, genotype G/T of 47.2% (116/246) in URSA group and 45.4% (83/183) in control group, and genotype T/T of 16. 7% (41/246) in URSA group and 8.2% (15/183)in control group, which reached statistical difference ( P 〈 0. 05). The frequencies of rs10181656 were genotype CC of 36. 6% (90/246) in URSA group and 46. 4% (85/183) in control group, genotype C/G of 48.0% (118/246) in URSA group and 44. 8% (82/183) in control group, and genotype G/G of 15. 4% (38/246) in URSA group and 8. 7% (16/183) in control group, which reached statistical difference (P 〈 0. 05 ). The carriers of rs7574865 T allele and rs10181656 G allele increased the risk of URSA ( OR = 1.51, 1.44, all P 〈 0. 05 ). (2) There was no different distribution in 3 genotypes (C/C, C/T, T/T) and 2 alleles (C and T) of rs16833431 C/T between URSA patients and normal controls ( P = 0. 43,0. 48 ) . ( 3 ) Timated haplotype frequency distribution of rs7574865 G/T and rs10181656 C/G showed haplotype G-T conferring the susceptibility to URSA ( OR = 1.49,P 〈 0. 01 ) , but haplotype C-G could provide protection on URSA ( OR = 0. 68, P 〈0. 01 ). Conclusion Polymorphisms of STAT4 gene might confer the susceptibility to URSA by altering STAT4 function and (or) its expression.
出处 《中华妇产科杂志》 CAS CSCD 北大核心 2013年第9期671-675,共5页 Chinese Journal of Obstetrics and Gynecology
基金 广东省自然科学基金($2011010003522)
关键词 流产 习惯性 STAT4转录因子 多态现象 遗传 疾病遗传易感性 Abortion, habitual STAT4 transcription factor Polymorphism, genetic Genetic predisposition to disease
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参考文献23

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共引文献26

同被引文献56

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