{"title":"Novel Mutations Involved in Charcot-Marie-Tooth 4C and Intrafamilial Variability: Let's Not Miss the Forest for the Trees.","authors":"Maria Gogou, Evangelos Pavlou, Vasilios Kimiskidis, Konstantinos Kouskouras, Efterpi Pavlidou, Theophanis Papadopoulos, Katerina Haidopoulou, Liana Fidani","doi":"10.1055/s-0040-1709695","DOIUrl":null,"url":null,"abstract":"<p><p>Charcot-Marie-Tooth 4C is characterized by early-onset, rapid progression, and mainly associated with <i>SH3TC2</i> gene mutations. We reported a male patient carrying a novel heterozygous nonsense mutation in <i>SH3TC2</i> gene along with a heterozygous known pathogenic mutation. Symptoms began at 15 months and by 14 years, he presented significant motor impairment. Both parents exhibited one of the mutations in the heterozygous state, while his 8-year-old brother carried the same compound heterozygosity, showing only a mild phenotype. In our case, we discussed the contribution of compound heterozygosity to intrafamilial variability in Charcot-Marie-Tooth and the role of modifying genes.</p>","PeriodicalId":16695,"journal":{"name":"Journal of pediatric genetics","volume":"10 2","pages":"147-151"},"PeriodicalIF":0.4000,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1055/s-0040-1709695","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of pediatric genetics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1055/s-0040-1709695","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2020/4/29 0:00:00","PubModel":"Epub","JCR":"Q4","JCRName":"PEDIATRICS","Score":null,"Total":0}
引用次数: 0
Abstract
Charcot-Marie-Tooth 4C is characterized by early-onset, rapid progression, and mainly associated with SH3TC2 gene mutations. We reported a male patient carrying a novel heterozygous nonsense mutation in SH3TC2 gene along with a heterozygous known pathogenic mutation. Symptoms began at 15 months and by 14 years, he presented significant motor impairment. Both parents exhibited one of the mutations in the heterozygous state, while his 8-year-old brother carried the same compound heterozygosity, showing only a mild phenotype. In our case, we discussed the contribution of compound heterozygosity to intrafamilial variability in Charcot-Marie-Tooth and the role of modifying genes.
期刊介绍：
The Journal of Pediatric Genetics is an English multidisciplinary peer-reviewed international journal publishing articles on all aspects of genetics in childhood and of the genetics of experimental models. These topics include clinical genetics, molecular genetics, biochemical genetics, medical genetics, dysmorphology, teratology, genetic counselling, genetic engineering, formal genetics, neuropsychiatric genetics, behavioral genetics, community genetics, cytogenetics, hereditary or syndromic cancer genetics, genetic mapping, reproductive genetics, fetal pathology and prenatal diagnosis, multiple congenital anomaly syndromes, and molecular embryology of birth defects. Journal of Pediatric Genetics provides an in-depth update on new subjects and current comprehensive coverage of the latest techniques used in the diagnosis of childhood genetics. Journal of Pediatric Genetics encourages submissions from all authors throughout the world. The following articles will be considered for publication: editorials, original and review articles, short report, rapid communications, case reports, letters to the editor, and book reviews. The aim of the journal is to share and disseminate knowledge between all disciplines in the field of pediatric genetics. This journal is a publication of the World Pediatric Society: http://www.worldpediatricsociety.org/ The Journal of Pediatric Genetics is available in print and online. Articles published ahead of print are available via the eFirst service on the Thieme E-Journals platform.
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