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Mutation update for CYP4F22 CYP4F22 variants associated with autosomal recessive congenital ichthyosis

机译:CYP4F22 CYP4F22的突变更新与常染色体隐性先天性病症相关的变体

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摘要

Abstract Autosomal recessive congenital ichthyosis (ARCI) is a heterogeneous group of rare disorders of keratinization characterized by generalized abnormal scaling of the skin. Ten genes are currently known to be associated with ARCI: TGM1 , ALOXE3 , ALOX12B , NIPAL4 ( ICHTHYIN ), ABCA12 , CYP4F22 , PNPLA1 , CERS3 , SDR9C7 , and SULT2B1 . Over a period of 22 years, we have studied a large patient cohort from 770 families with a clinical diagnosis of ARCI. Since the first report that mutations in the gene CYP4F22 are causative for ARCI in 2006, we have identified 54 families with pathogenic mutations in CYP4F22 including 23 previously unreported mutations. In this report, we provide an up‐to‐date overview of all published and novel CYP4F22 mutations and point out possible mutation hot spots. We discuss the molecular and clinical findings, the genotype–phenotype correlations and consequences on genetic testing.
机译:摘要常染色体隐性遗传先天性鱼鳞病(ARCI)是一组罕见的角质化疾病,其特征是皮肤出现广泛的异常鳞屑。目前已知与ARCI相关的十个基因:TGM1、Alox3、ALOX12B、NIPAL4(ICHTHYIN)、ABCA12、CYP4F22、PNPLA1、CERS3、SDR9C7和SULT2B1。在22年的时间里,我们研究了770个临床诊断为ARCI的家庭的大型患者队列。自2006年首次报道CYP4F22基因突变导致ARCI以来,我们已经确定了54个CYP4F22致病性突变家族,包括23个以前未报告的突变。在本报告中,我们提供了所有已发表和新的CYP4F22突变的最新概述,并指出了可能的突变热点。我们讨论了分子和临床发现、基因型-表型相关性以及对基因检测的影响。

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