Objective： Nonsyndromic cleft lip with or without cleft palate（NSCL/P） is a common birth defect with unclear etiology. Both genetic and environmental factors may contribute to NSCL/P. Many genes have been identifie...Objective： Nonsyndromic cleft lip with or without cleft palate（NSCL/P） is a common birth defect with unclear etiology. Both genetic and environmental factors may contribute to NSCL/P. Many genes have been identified as candidate genes associated with this disease. Interferon regulatory factor 6（IRF6） gene and transforming growth factor-a（TGFA） gene seem to be crucial in the predisposition of NSCL/ P. Here we evaluated some single nucleotide polymorphisms（SNPs） loci of TGFA and IRF6 genes in Chinese nuclear families consisting of fathers, mothers and affected offspring with NSCL/P. Methods：Fifty patients of NSCL/P were confirmed by the plastic surgeons. They and their parents were included in the study, all with the informed consents. SNPs loci of TGFA and IRF6 genes were analyzed by microarray technology. Some PCR products were randomly chosen and sequenced to check microarray results. The distribution of gene type and allele frequency between patient group and parents group were compared. Then a Haplotype Relative Risk（HRR） and Transmission Disequilibrium Test（TDT） were performed. Results：The sequences of randomly selected PCR products were all consistent with the microarray results. All loci were in Hardy-Weinberg equilibrium. There were no significant differences in the distribution of genotypes and alleles between patients and their parents. Using HRR and TDT analyses the V274I of IRF6 was associated with NSCL/P, while another SNP locus oflRF6 was not. Strong evidence of linkage disequilibrium was found between the 2 SNP loci of TGFA and disease with the HRR analysis, but not with the TDT analysis. Conclusion：Our study confirms the contribution of IRF6 in the etiology of NSCL/P in populations of Asian ancestry. The association of TGFA with NSCL/P requires further research.展开更多
目的:分析p53基因单核苷酸多态性(SNPs)位点的多态性,探究云南汉族非综合征性唇腭裂与p53基因的相关性。方法:选取2016年1月-2018年12月于笔者医院就诊的非综合征性唇腭裂患儿100例为试验组,选取医院同期无先天性畸形正常患儿100例为对...目的:分析p53基因单核苷酸多态性(SNPs)位点的多态性,探究云南汉族非综合征性唇腭裂与p53基因的相关性。方法:选取2016年1月-2018年12月于笔者医院就诊的非综合征性唇腭裂患儿100例为试验组,选取医院同期无先天性畸形正常患儿100例为对照组。采用Taqman探针荧光定量PCR法对p53基因的SNPs位点rs12947788和rs1042522进行基因分型,并用χ^2检验和Logistic回归分析多态位点与非综合征性唇腭裂的相关性。结果:p53的基因SNPs位点rs12947788的等位基因变体A携带者(AA+GA vs GG)发生非综合征性唇腭裂的风险增加(OR=1.393,95%CI 1.030~1.884,P=0.032)。rs1042522(CC vs CG+GG)增加吸烟者母亲生下NSCL/P患儿的风险(OR=2.561,95%CI=1.146~5.721,P=0.022)。rs12947788(AA+GA vs GG)可明显增加有饮酒史母亲(OR=3.235,95%CI=1.158~9.040,P=0.025)生下NSCL/P患儿的风险。结论:云南汉族人群非综合征性唇腭裂与p53基因rs1042522、rs12947788多态具有一定的相关性。展开更多
非综合征性唇腭裂(nonsyndromic cleft of lip with or without palate,NSCL/P)是一种病因十分复杂的先天性缺陷。尽管对于综合征性唇腭裂的病因已经有明显的进展,但是对于更加常见的NSCL/P病因的研究仍然十分匮乏。目前已经明确了许多...非综合征性唇腭裂(nonsyndromic cleft of lip with or without palate,NSCL/P)是一种病因十分复杂的先天性缺陷。尽管对于综合征性唇腭裂的病因已经有明显的进展,但是对于更加常见的NSCL/P病因的研究仍然十分匮乏。目前已经明确了许多基因和环境因素对NSCL/P有影响,并且还有一些报道基因和环境因素的交互作用对NSCL/P发生的影响,但是对于NSCL/P的病因,仍然有很大的争议。本文主要对基因和环境的交互作用对NSCL/P的影响进行综述。展开更多
目的:研究染色体8q24区段的rs987525位点及MAFB基因的rs13041247位点单核苷酸多态性(single nucleotide polymorphism,SNP)与非综合征型唇腭裂(nonsyndromic cleft lip with or without cleft palate,NSCL/P)的相关性。方法:收集宁夏地...目的:研究染色体8q24区段的rs987525位点及MAFB基因的rs13041247位点单核苷酸多态性(single nucleotide polymorphism,SNP)与非综合征型唇腭裂(nonsyndromic cleft lip with or without cleft palate,NSCL/P)的相关性。方法:收集宁夏地区病例组非综合征型唇腭裂患儿369例,患儿父亲303例,母亲311例,完整3人核心家系158个。对照组收集在校正常大学生433例。采用聚合酶链反应-限制性片段长度多态性(polymerase chain reaction-restriction fragment length polymorphism,PCR-RFLP)的方法检测这2个SNPs的基因型,运用卡方检验,传递不平衡检验(transmission disequilibrium test,TDT)等统计学方法分析评价以上SNPs的基因型频率和等位基因频率在患儿,患儿父母及对照组人群中的分布,评价其与NSCL/P的关联。结果:病例对照研究发现:MAFB基因的rs13041247位点在本研究人群的单纯唇裂组及唇裂伴或不伴腭裂组中基因型与等位基因频率与对照组比较存在统计学差异(P=0.02,P=0.04,P=0.01,P=0.04),而在单纯腭裂组中不存在统计学差异(P=0.25,P=0.51)。染色体8q24区域的rs987525位点基因型与等位基因频率与对照组比较差异无统计学意义(P=0.07,P=0.20,P=0.58,P=0.33,P=0.35,P=0.59)。TDT发现rs13041247位点C等位基因在单纯唇裂组中存在过传递(P=0.03),rs987525位点A等位基因在唇裂,腭裂及唇裂伴或不伴腭裂组中存在过传递(P=0.00,P=0.04,P=0.00)。结论:MAFB的rs13041247位点单核苷酸多态性与非综合征型唇腭裂有关。展开更多
基金supported by the Medical Technology Development Foundation of Jiangsu Provincial Health Bureau of China (H200513)Changjiang Scholars and Innovative Research Team in University (IRT0631) and National 973 Program(2006CB944005)
文摘Objective： Nonsyndromic cleft lip with or without cleft palate（NSCL/P） is a common birth defect with unclear etiology. Both genetic and environmental factors may contribute to NSCL/P. Many genes have been identified as candidate genes associated with this disease. Interferon regulatory factor 6（IRF6） gene and transforming growth factor-a（TGFA） gene seem to be crucial in the predisposition of NSCL/ P. Here we evaluated some single nucleotide polymorphisms（SNPs） loci of TGFA and IRF6 genes in Chinese nuclear families consisting of fathers, mothers and affected offspring with NSCL/P. Methods：Fifty patients of NSCL/P were confirmed by the plastic surgeons. They and their parents were included in the study, all with the informed consents. SNPs loci of TGFA and IRF6 genes were analyzed by microarray technology. Some PCR products were randomly chosen and sequenced to check microarray results. The distribution of gene type and allele frequency between patient group and parents group were compared. Then a Haplotype Relative Risk（HRR） and Transmission Disequilibrium Test（TDT） were performed. Results：The sequences of randomly selected PCR products were all consistent with the microarray results. All loci were in Hardy-Weinberg equilibrium. There were no significant differences in the distribution of genotypes and alleles between patients and their parents. Using HRR and TDT analyses the V274I of IRF6 was associated with NSCL/P, while another SNP locus oflRF6 was not. Strong evidence of linkage disequilibrium was found between the 2 SNP loci of TGFA and disease with the HRR analysis, but not with the TDT analysis. Conclusion：Our study confirms the contribution of IRF6 in the etiology of NSCL/P in populations of Asian ancestry. The association of TGFA with NSCL/P requires further research.
文摘目的:分析p53基因单核苷酸多态性(SNPs)位点的多态性,探究云南汉族非综合征性唇腭裂与p53基因的相关性。方法:选取2016年1月-2018年12月于笔者医院就诊的非综合征性唇腭裂患儿100例为试验组,选取医院同期无先天性畸形正常患儿100例为对照组。采用Taqman探针荧光定量PCR法对p53基因的SNPs位点rs12947788和rs1042522进行基因分型,并用χ^2检验和Logistic回归分析多态位点与非综合征性唇腭裂的相关性。结果:p53的基因SNPs位点rs12947788的等位基因变体A携带者(AA+GA vs GG)发生非综合征性唇腭裂的风险增加(OR=1.393,95%CI 1.030~1.884,P=0.032)。rs1042522(CC vs CG+GG)增加吸烟者母亲生下NSCL/P患儿的风险(OR=2.561,95%CI=1.146~5.721,P=0.022)。rs12947788(AA+GA vs GG)可明显增加有饮酒史母亲(OR=3.235,95%CI=1.158~9.040,P=0.025)生下NSCL/P患儿的风险。结论:云南汉族人群非综合征性唇腭裂与p53基因rs1042522、rs12947788多态具有一定的相关性。
文摘非综合征性唇腭裂(nonsyndromic cleft of lip with or without palate,NSCL/P)是一种病因十分复杂的先天性缺陷。尽管对于综合征性唇腭裂的病因已经有明显的进展,但是对于更加常见的NSCL/P病因的研究仍然十分匮乏。目前已经明确了许多基因和环境因素对NSCL/P有影响,并且还有一些报道基因和环境因素的交互作用对NSCL/P发生的影响,但是对于NSCL/P的病因,仍然有很大的争议。本文主要对基因和环境的交互作用对NSCL/P的影响进行综述。
文摘目的:研究染色体8q24区段的rs987525位点及MAFB基因的rs13041247位点单核苷酸多态性(single nucleotide polymorphism,SNP)与非综合征型唇腭裂(nonsyndromic cleft lip with or without cleft palate,NSCL/P)的相关性。方法:收集宁夏地区病例组非综合征型唇腭裂患儿369例,患儿父亲303例,母亲311例,完整3人核心家系158个。对照组收集在校正常大学生433例。采用聚合酶链反应-限制性片段长度多态性(polymerase chain reaction-restriction fragment length polymorphism,PCR-RFLP)的方法检测这2个SNPs的基因型,运用卡方检验,传递不平衡检验(transmission disequilibrium test,TDT)等统计学方法分析评价以上SNPs的基因型频率和等位基因频率在患儿,患儿父母及对照组人群中的分布,评价其与NSCL/P的关联。结果:病例对照研究发现:MAFB基因的rs13041247位点在本研究人群的单纯唇裂组及唇裂伴或不伴腭裂组中基因型与等位基因频率与对照组比较存在统计学差异(P=0.02,P=0.04,P=0.01,P=0.04),而在单纯腭裂组中不存在统计学差异(P=0.25,P=0.51)。染色体8q24区域的rs987525位点基因型与等位基因频率与对照组比较差异无统计学意义(P=0.07,P=0.20,P=0.58,P=0.33,P=0.35,P=0.59)。TDT发现rs13041247位点C等位基因在单纯唇裂组中存在过传递(P=0.03),rs987525位点A等位基因在唇裂,腭裂及唇裂伴或不伴腭裂组中存在过传递(P=0.00,P=0.04,P=0.00)。结论:MAFB的rs13041247位点单核苷酸多态性与非综合征型唇腭裂有关。
