یکشنبه 8 تیر 1404
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دوره ۳۲، شماره ۱۵۳ - ( ۵-۱۴۰۳ )
جلد ۳۲ شماره ۱۵۳ صفحات ۲۷۹-۲۶۹ |
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Rastegar M, Moosavi M, Ahmadi Shadmehri A, Dehghani Firoozabadi M, Sorosh Z, Dehghani H. Identification of a Pathogenic Mutation in GMPPB Gene Through Whole Exome Sequencing in Two Consanguineous Families with Limb-Girdle Muscular Dystrophy. J Adv Med Biomed Res 2024; 32 (153) :269-279
URL: http://journal.zums.ac.ir/article-1-7385-fa.html
URL: http://journal.zums.ac.ir/article-1-7385-fa.html
Identification of a Pathogenic Mutation in GMPPB Gene Through Whole Exome Sequencing in Two Consanguineous Families with Limb-Girdle Muscular Dystrophy. Journal of Advances in Medical and Biomedical Research. ۱۴۰۳; ۳۲ (۱۵۳) :۲۶۹-۲۷۹
چکیده: (۷۶۴ مشاهده)
Background & Objective: Dystroglycanopathies represent heterogeneous clinical and genetic disorders typically characterized by weakness of the limb muscle. Pathogenic mutations in the GMPPB gene (OMIM # 615320) have been identified in various syndromes, including CMD, LGMD, and CMS. In this present study, our aim is to elucidate the presence of pathogenic mutation in two consanguineous Iranian families affected by LGMD2T.
Materials & Methods: Two families with affected children diagnosed with LGMD2T were recruited in the study. Comprehensive clinical examinations were performed by an expert neurologist on the proband and their respective families. Whole-exome sequencing (WES) was performed on genomic DNA extracted from peripheral blood mononuclear cells. Subsequently, candidate variants were identified using a bioinformatics pipeline, and familial co-segregation was confirmed through sanger sequencing.
Results: The present study is focused on two families whose identified variants are confirmed. Our findings revealed a heterozygous missense mutation in the GMPPB gene (NM_021971.4, c.308C>T (p. Pro103Leu) that entirely segregated from the observed phenotypes within his family. This variant was not identified in either the Exome Aggregation Consortium or the 1000 Genomes Project.
Conclusion: The present findings contribute to the expansion of genetic data for Iranian individuals affected by LGMD2T. This data can be instrumental in enhancing screening, diagnosis, and interpretation within families with a history of this disease.
Materials & Methods: Two families with affected children diagnosed with LGMD2T were recruited in the study. Comprehensive clinical examinations were performed by an expert neurologist on the proband and their respective families. Whole-exome sequencing (WES) was performed on genomic DNA extracted from peripheral blood mononuclear cells. Subsequently, candidate variants were identified using a bioinformatics pipeline, and familial co-segregation was confirmed through sanger sequencing.
Results: The present study is focused on two families whose identified variants are confirmed. Our findings revealed a heterozygous missense mutation in the GMPPB gene (NM_021971.4, c.308C>T (p. Pro103Leu) that entirely segregated from the observed phenotypes within his family. This variant was not identified in either the Exome Aggregation Consortium or the 1000 Genomes Project.
Conclusion: The present findings contribute to the expansion of genetic data for Iranian individuals affected by LGMD2T. This data can be instrumental in enhancing screening, diagnosis, and interpretation within families with a history of this disease.
نوع مطالعه: مقاله پژوهشی |
موضوع مقاله:
Medical Biology
دریافت: 1402/8/21 | پذیرش: 1402/11/30 | انتشار: 1403/5/30
دریافت: 1402/8/21 | پذیرش: 1402/11/30 | انتشار: 1403/5/30
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