目的研究nephrin的编码基因NPHS1的单核苷酸多态性(SNP)与微小病变性肾病(MCNS)发病及其蛋白尿等的关系。方法720例外周血DNA样本,包括经肾脏活检证实的MCNS患者226例及地域匹配的正常对照494名。选择引起错义突变的NPHS1基因349G/A多...目的研究nephrin的编码基因NPHS1的单核苷酸多态性(SNP)与微小病变性肾病(MCNS)发病及其蛋白尿等的关系。方法720例外周血DNA样本,包括经肾脏活检证实的MCNS患者226例及地域匹配的正常对照494名。选择引起错义突变的NPHS1基因349G/A多态性位点,采用聚合酶链反应-限制性片段长度多态性(PCR-RFLP)的方法进行关联分析。同时收集患者的性别、年龄、高血压病史、蛋白尿、血尿、血清白蛋白、肌酐、病程及激素治疗等临床资料,分析SNP与患者临床表现的关系。结果①MCNS患者中NPHS1基因349G/A多态性位点的A等位基因(0.786 vs 0.705)与AA基因型(0.636 vs 0.530)的频率都显著升高(P<0.05)。②对NPHS1基因349G/A多态性分析显示,具有不同基因型患者之间性别、年龄、高血压病史、蛋白尿、血尿、血清白蛋白、肌酐、病程及激素治疗等差异均无统计学意义。结论NPHS1基因349G/A多态性与MCNS的发病相关。展开更多
Congenital Nephrotic Syndrome Type 1 (Congenital Nephrotic Syndrome of the Finnish Type—CNF) is an autosomal recessive disorder encoding by nephrin gene mutation which is a (transmembrane protein 1-homolog—NPHS1) st...Congenital Nephrotic Syndrome Type 1 (Congenital Nephrotic Syndrome of the Finnish Type—CNF) is an autosomal recessive disorder encoding by nephrin gene mutation which is a (transmembrane protein 1-homolog—NPHS1) structural component of the slit diaphragm responsible for the proper functioning of the renal filtration barrier. In NPHS1 kidneys there is an effacement of the foot processes of the podocytes and impaired glomerular filtration barrier leading to antenatal manifestations and end-renal stage of disease after birth. We present a case of this disease where sonographic appearance of the fetal kidneys had alerted the experts for further genetic investigation for congenital nephrotic syndrome.展开更多
文摘目的研究nephrin的编码基因NPHS1的单核苷酸多态性(SNP)与微小病变性肾病(MCNS)发病及其蛋白尿等的关系。方法720例外周血DNA样本,包括经肾脏活检证实的MCNS患者226例及地域匹配的正常对照494名。选择引起错义突变的NPHS1基因349G/A多态性位点,采用聚合酶链反应-限制性片段长度多态性(PCR-RFLP)的方法进行关联分析。同时收集患者的性别、年龄、高血压病史、蛋白尿、血尿、血清白蛋白、肌酐、病程及激素治疗等临床资料,分析SNP与患者临床表现的关系。结果①MCNS患者中NPHS1基因349G/A多态性位点的A等位基因(0.786 vs 0.705)与AA基因型(0.636 vs 0.530)的频率都显著升高(P<0.05)。②对NPHS1基因349G/A多态性分析显示,具有不同基因型患者之间性别、年龄、高血压病史、蛋白尿、血尿、血清白蛋白、肌酐、病程及激素治疗等差异均无统计学意义。结论NPHS1基因349G/A多态性与MCNS的发病相关。
文摘Congenital Nephrotic Syndrome Type 1 (Congenital Nephrotic Syndrome of the Finnish Type—CNF) is an autosomal recessive disorder encoding by nephrin gene mutation which is a (transmembrane protein 1-homolog—NPHS1) structural component of the slit diaphragm responsible for the proper functioning of the renal filtration barrier. In NPHS1 kidneys there is an effacement of the foot processes of the podocytes and impaired glomerular filtration barrier leading to antenatal manifestations and end-renal stage of disease after birth. We present a case of this disease where sonographic appearance of the fetal kidneys had alerted the experts for further genetic investigation for congenital nephrotic syndrome.
