Clinical and Genetic Analysis of CHD7 Expands the Genotype and Phenotype of CHARGE Syndrome

CHARGE syndrome is a life-threatening disease caused by mutations of chromodomain helicase DNA-binding protein 7 gene (CHD7). The disease is characterized by a pattern of congenital anomalies that involve multiple organs. In this study, five patients were diagnosed as CHARGE syndrome with CHD7 mutat...

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Main Authors: Zailong Qin, Jiasun Su, Mengting Li, Qi Yang, Shang Yi, Haiyang Zheng, Qiang Zhang, Fei Chen, Sheng Yi, Weiliang Lu, Wei Li, Limei Huang, Jing Xu, Yiping Shen, Jingsi Luo
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-06-01
Series:Frontiers in Genetics
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fgene.2020.00592/full
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author Zailong Qin
Jiasun Su
Mengting Li
Qi Yang
Shang Yi
Haiyang Zheng
Qiang Zhang
Fei Chen
Sheng Yi
Weiliang Lu
Wei Li
Limei Huang
Jing Xu
Yiping Shen
Yiping Shen
Jingsi Luo
author_facet Zailong Qin
Jiasun Su
Mengting Li
Qi Yang
Shang Yi
Haiyang Zheng
Qiang Zhang
Fei Chen
Sheng Yi
Weiliang Lu
Wei Li
Limei Huang
Jing Xu
Yiping Shen
Yiping Shen
Jingsi Luo
author_sort Zailong Qin
collection DOAJ
description CHARGE syndrome is a life-threatening disease caused by mutations of chromodomain helicase DNA-binding protein 7 gene (CHD7). The disease is characterized by a pattern of congenital anomalies that involve multiple organs. In this study, five patients were diagnosed as CHARGE syndrome with CHD7 mutations by whole exome sequencing. Although the clinical phenotypes of probands are highly variable and typical symptoms such as coloboma and choanal atresia are not commonly manifested in this cohort, they all presented congenital heart defects. Of note, dyspnea is the most prominent symptom in all five neonatal patients, suggesting that dyspnea might be a phenotypic clue of CHARGE syndrome.
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spelling doaj.art-de5232507999436a96aefeea9ccf63f52022-12-21T19:08:04ZengFrontiers Media S.A.Frontiers in Genetics1664-80212020-06-011110.3389/fgene.2020.00592530885Clinical and Genetic Analysis of CHD7 Expands the Genotype and Phenotype of CHARGE SyndromeZailong Qin0Jiasun Su1Mengting Li2Qi Yang3Shang Yi4Haiyang Zheng5Qiang Zhang6Fei Chen7Sheng Yi8Weiliang Lu9Wei Li10Limei Huang11Jing Xu12Yiping Shen13Yiping Shen14Jingsi Luo15Genetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaGenetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaGenetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaGenetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaGenetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaGenetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaGenetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaGenetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaGenetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaGenetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaGenetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaGenetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaDepartment of Neonatology, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaGenetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaDepartment of Genetics, Harvard Medical School, Boston, MA, United StatesGenetic and Metabolic Central Laboratory, Guangxi Birth Defects Research and Prevention Institute, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, ChinaCHARGE syndrome is a life-threatening disease caused by mutations of chromodomain helicase DNA-binding protein 7 gene (CHD7). The disease is characterized by a pattern of congenital anomalies that involve multiple organs. In this study, five patients were diagnosed as CHARGE syndrome with CHD7 mutations by whole exome sequencing. Although the clinical phenotypes of probands are highly variable and typical symptoms such as coloboma and choanal atresia are not commonly manifested in this cohort, they all presented congenital heart defects. Of note, dyspnea is the most prominent symptom in all five neonatal patients, suggesting that dyspnea might be a phenotypic clue of CHARGE syndrome.https://www.frontiersin.org/article/10.3389/fgene.2020.00592/fullCHD7CHARGE syndromedyspneaneonatemutation
spellingShingle Zailong Qin
Jiasun Su
Mengting Li
Qi Yang
Shang Yi
Haiyang Zheng
Qiang Zhang
Fei Chen
Sheng Yi
Weiliang Lu
Wei Li
Limei Huang
Jing Xu
Yiping Shen
Yiping Shen
Jingsi Luo
Clinical and Genetic Analysis of CHD7 Expands the Genotype and Phenotype of CHARGE Syndrome
Frontiers in Genetics
CHD7
CHARGE syndrome
dyspnea
neonate
mutation
title Clinical and Genetic Analysis of CHD7 Expands the Genotype and Phenotype of CHARGE Syndrome
title_full Clinical and Genetic Analysis of CHD7 Expands the Genotype and Phenotype of CHARGE Syndrome
title_fullStr Clinical and Genetic Analysis of CHD7 Expands the Genotype and Phenotype of CHARGE Syndrome
title_full_unstemmed Clinical and Genetic Analysis of CHD7 Expands the Genotype and Phenotype of CHARGE Syndrome
title_short Clinical and Genetic Analysis of CHD7 Expands the Genotype and Phenotype of CHARGE Syndrome
title_sort clinical and genetic analysis of chd7 expands the genotype and phenotype of charge syndrome
topic CHD7
CHARGE syndrome
dyspnea
neonate
mutation
url https://www.frontiersin.org/article/10.3389/fgene.2020.00592/full
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