A SMARCA2 Mutation in the First Case Report of Nicolaides-Baraitser Syndrome in Latin America: Genotype-Phenotype Correlation

Nicolaides-Baraitser syndrome (NCBRS) is a rare and well-recognized entity that was first described in 1993, with a prevalence that is currently not known. It is recognized as a distinctive entity, with some variability in its signs and symptoms. The most important characteristics include intellectu...

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Main Authors: Ana Isabel Sánchez, Jorge Armando Rojas
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Case Reports in Genetics
Online Access:http://dx.doi.org/10.1155/2017/8639617
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author Ana Isabel Sánchez
Jorge Armando Rojas
author_facet Ana Isabel Sánchez
Jorge Armando Rojas
author_sort Ana Isabel Sánchez
collection DOAJ
description Nicolaides-Baraitser syndrome (NCBRS) is a rare and well-recognized entity that was first described in 1993, with a prevalence that is currently not known. It is recognized as a distinctive entity, with some variability in its signs and symptoms. The most important characteristics include intellectual disability, peculiar facial features including sparse scalp hair, coarse facial features, low frontal hairline, and microcephaly, and seizures. Additional features may include epicanthic folds, thin upper lip vermilion with thick lower lip vermilion, skeletal abnormalities, and severe language impairment. The disorder is inherited in an autosomal dominant manner caused by de novo mutations in the SMARCA2 gene, with most being missense mutations. We report a young adult patient with NCBRS and, to our knowledge, the first case report of the syndrome in Latin America with a confirmed molecular diagnosis and a mild-to-moderate phenotype.
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spelling doaj-art-165018f3aa0b47b285f951d4753c49452025-02-03T06:12:07ZengWileyCase Reports in Genetics2090-65442090-65522017-01-01201710.1155/2017/86396178639617A SMARCA2 Mutation in the First Case Report of Nicolaides-Baraitser Syndrome in Latin America: Genotype-Phenotype CorrelationAna Isabel Sánchez0Jorge Armando Rojas1Instituto de Genética Humana, Facultad de Medicina, Pontificia Universidad Javeriana, Bogotá, ColombiaInstituto de Genética Humana, Facultad de Medicina, Pontificia Universidad Javeriana, Bogotá, ColombiaNicolaides-Baraitser syndrome (NCBRS) is a rare and well-recognized entity that was first described in 1993, with a prevalence that is currently not known. It is recognized as a distinctive entity, with some variability in its signs and symptoms. The most important characteristics include intellectual disability, peculiar facial features including sparse scalp hair, coarse facial features, low frontal hairline, and microcephaly, and seizures. Additional features may include epicanthic folds, thin upper lip vermilion with thick lower lip vermilion, skeletal abnormalities, and severe language impairment. The disorder is inherited in an autosomal dominant manner caused by de novo mutations in the SMARCA2 gene, with most being missense mutations. We report a young adult patient with NCBRS and, to our knowledge, the first case report of the syndrome in Latin America with a confirmed molecular diagnosis and a mild-to-moderate phenotype.http://dx.doi.org/10.1155/2017/8639617
spellingShingle Ana Isabel Sánchez
Jorge Armando Rojas
A SMARCA2 Mutation in the First Case Report of Nicolaides-Baraitser Syndrome in Latin America: Genotype-Phenotype Correlation
Case Reports in Genetics
title A SMARCA2 Mutation in the First Case Report of Nicolaides-Baraitser Syndrome in Latin America: Genotype-Phenotype Correlation
title_full A SMARCA2 Mutation in the First Case Report of Nicolaides-Baraitser Syndrome in Latin America: Genotype-Phenotype Correlation
title_fullStr A SMARCA2 Mutation in the First Case Report of Nicolaides-Baraitser Syndrome in Latin America: Genotype-Phenotype Correlation
title_full_unstemmed A SMARCA2 Mutation in the First Case Report of Nicolaides-Baraitser Syndrome in Latin America: Genotype-Phenotype Correlation
title_short A SMARCA2 Mutation in the First Case Report of Nicolaides-Baraitser Syndrome in Latin America: Genotype-Phenotype Correlation
title_sort smarca2 mutation in the first case report of nicolaides baraitser syndrome in latin america genotype phenotype correlation
url http://dx.doi.org/10.1155/2017/8639617
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