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Analysis of CNTNAP1 gene variants in a Chinese pedigree affected with lethal congenital contracture syndrome type 7 / 中华医学遗传学杂志
Chinese Journal of Medical Genetics ; (6): 194-197, 2022.
Artículo en Chino | WPRIM | ID: wpr-928387
ABSTRACT
OBJECTIVE@#To explore the genetic basis for a couple who had developed polyhydramnios during three pregnancies and given birth to two liveborns featuring limb contracture, dyspnea and neonatal death.@*METHODS@#Whole-exome sequencing (WES) was carried out on fetal tissue and peripheral blood samples from the couple. Suspected variants were verified by Sanger sequencing.@*RESULTS@#The fetus was found to harbor homozygous nonsense c.3718C>T (p.Arg1240Ter) variants of the CNTNAP1 gene, which were respectively inherited from its mother and father. The variant was unreported previously. According to the guidelines of the American College of Medical Genetics and Genomics, the variant was predicted to be pathogenic (PVS1+PM2+PP4).@*CONCLUSION@#The novel homozygous nonsense variants of the CNTNAP1 gene probably underlay the lethal congenital contracture syndrome type 7 (LCCS7) in this pedigree. Above finding has enabled genetic counseling and prenatal diagnosis for the family.
Asunto(s)
Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Linaje / Moléculas de Adhesión Celular Neuronal / China / Contractura / Secuenciación del Exoma / Mutación Tipo de estudio: Guía de Práctica Clínica / Estudio pronóstico Límite: Femenino / Humanos / Recién Nacido / Embarazo País/Región como asunto: Asia Idioma: Chino Revista: Chinese Journal of Medical Genetics Año: 2022 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Linaje / Moléculas de Adhesión Celular Neuronal / China / Contractura / Secuenciación del Exoma / Mutación Tipo de estudio: Guía de Práctica Clínica / Estudio pronóstico Límite: Femenino / Humanos / Recién Nacido / Embarazo País/Región como asunto: Asia Idioma: Chino Revista: Chinese Journal of Medical Genetics Año: 2022 Tipo del documento: Artículo