Hearing loss(HL) is one of the most widespread sensory disorders,affecting approximately 1 in 500 newborns.Heritable diseases of the inner ear are the leading causes of prelingual HL.Treating of hereditary HL and unde...Hearing loss(HL) is one of the most widespread sensory disorders,affecting approximately 1 in 500 newborns.Heritable diseases of the inner ear are the leading causes of prelingual HL.Treating of hereditary HL and understanding its underlying mechanisms remain difficult challenges to otolaryngologists.As stem cells are capable of self-renewal and differentiation,they are ideally suited both for disease modeling and regenerative medicine.Recently,description of induced pluripotent stem cells(iPSCs) has allowed the field of disease modeling and personalized therapy to become far more accessible and physiologically relevant,as iPSCs can be generated from patients of any genetic background.This review briefly describes the advantages of iPSCs technology and discusses potential applications of this powerful biological tool in studying and treating hereditary HL.展开更多
目的分析一个Alport综合征家庭的临床特征及遗传学病因。方法选取2019年12月于南通大学附属医院耳鼻咽喉科门诊就诊的一个AS耳聋家庭(NT103),该家庭家系成员包括父母姐妹4例,其中姐姐为AS患者(Ⅱ-1),其余人临床表现均无异常。对Alport...目的分析一个Alport综合征家庭的临床特征及遗传学病因。方法选取2019年12月于南通大学附属医院耳鼻咽喉科门诊就诊的一个AS耳聋家庭(NT103),该家庭家系成员包括父母姐妹4例,其中姐姐为AS患者(Ⅱ-1),其余人临床表现均无异常。对Alport综合征家庭进行详尽临床资料的收集和评估;采用基于家庭为单位,结合定向捕获技术二代测序的策略分析测序结果;对可疑致病基因的变异位点进行家庭内Sanger测序验证,依据美国医学遗传学与基因组学学会(American College of Medical Genetics and Genomics,ACMG)指南确定变异致病性。结果该Alport综合征家庭的先证者表现为持续性血尿伴感音神经性聋但无眼部异常。定向捕获及Sanger测序显示,患者(Ⅱ-1)携带COL4A3复合杂合错义突变,c.4793T>G,p.L1598R/c.4981C>T,p.R1661C分别来自父母双亲,且在家系其他成员中共分离。根据ACMG指南,该Alport综合征家庭先证者携带的COL4A3基因复合杂合突变位点,判定为疑似致病变异。结论本研究丰富了COL4A3临床表型谱及基因突变谱。此外,对于疑似Alport综合征的患者,提倡常规开展基因检测以实现Alport综合征患者的早期个体化精准诊治。展开更多
基金supported by grants from National Basic Research Program of China(the 973 Project,grant numbers: 2012CB967904 and 2012CB967900)the Cochlear Implantation Program of Hunan,China
文摘Hearing loss(HL) is one of the most widespread sensory disorders,affecting approximately 1 in 500 newborns.Heritable diseases of the inner ear are the leading causes of prelingual HL.Treating of hereditary HL and understanding its underlying mechanisms remain difficult challenges to otolaryngologists.As stem cells are capable of self-renewal and differentiation,they are ideally suited both for disease modeling and regenerative medicine.Recently,description of induced pluripotent stem cells(iPSCs) has allowed the field of disease modeling and personalized therapy to become far more accessible and physiologically relevant,as iPSCs can be generated from patients of any genetic background.This review briefly describes the advantages of iPSCs technology and discusses potential applications of this powerful biological tool in studying and treating hereditary HL.
文摘目的分析一个Alport综合征家庭的临床特征及遗传学病因。方法选取2019年12月于南通大学附属医院耳鼻咽喉科门诊就诊的一个AS耳聋家庭(NT103),该家庭家系成员包括父母姐妹4例,其中姐姐为AS患者(Ⅱ-1),其余人临床表现均无异常。对Alport综合征家庭进行详尽临床资料的收集和评估;采用基于家庭为单位,结合定向捕获技术二代测序的策略分析测序结果;对可疑致病基因的变异位点进行家庭内Sanger测序验证,依据美国医学遗传学与基因组学学会(American College of Medical Genetics and Genomics,ACMG)指南确定变异致病性。结果该Alport综合征家庭的先证者表现为持续性血尿伴感音神经性聋但无眼部异常。定向捕获及Sanger测序显示,患者(Ⅱ-1)携带COL4A3复合杂合错义突变,c.4793T>G,p.L1598R/c.4981C>T,p.R1661C分别来自父母双亲,且在家系其他成员中共分离。根据ACMG指南,该Alport综合征家庭先证者携带的COL4A3基因复合杂合突变位点,判定为疑似致病变异。结论本研究丰富了COL4A3临床表型谱及基因突变谱。此外,对于疑似Alport综合征的患者,提倡常规开展基因检测以实现Alport综合征患者的早期个体化精准诊治。
