Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics · 2022
[A child with diffuse mesangial sclerosis caused by a missense mutation of TRPC6 gene].
СтатьяНазвание и аннотация: Перевод в очереди
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Xu Ke, Yin Meina, Xiao Huijie, Wang Suxia, Liu Longshan, Wang Fang
Аннотация
OBJECTIVE: To explore the genetic etiology and clinical outcome of a child with steroid-resistant nephrotic syndrome and diffuse mesangial sclerosis.
METHODS: Genomic DNA was extracted from peripheral blood leukocytes of the proband and his parents. Targeted capture - next generation sequencing and Sanger sequencing were carried out. Candidate variant was verified by segregation analysis in his family.
RESULTS: A heterozygous missense variant of the TRPC6 gene, namely c.325G>A (p.Gly109Ser), was detected in the proband. The same variant was not detected in either parent. According to the guidelines for the interpretation of sequence variants developed by American College of Medical Genetics and Genomics, the variant was predicted as pathogenic.
CONCLUSION: The missense variant of the TRPC6 gene probably underlay the diffuse mesangial sclerosis in this patient. Above finding has expanded the phenotypic spectrum of the TRPC6 gene.
METHODS: Genomic DNA was extracted from peripheral blood leukocytes of the proband and his parents. Targeted capture - next generation sequencing and Sanger sequencing were carried out. Candidate variant was verified by segregation analysis in his family.
RESULTS: A heterozygous missense variant of the TRPC6 gene, namely c.325G>A (p.Gly109Ser), was detected in the proband. The same variant was not detected in either parent. According to the guidelines for the interpretation of sequence variants developed by American College of Medical Genetics and Genomics, the variant was predicted as pathogenic.
CONCLUSION: The missense variant of the TRPC6 gene probably underlay the diffuse mesangial sclerosis in this patient. Above finding has expanded the phenotypic spectrum of the TRPC6 gene.