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Weiss, Karin; Lazar, Hayley P; Kurolap, Alina; Martinez, Ariel F; Paperna, Tamar; Cohen, Lior; Smeland, Marie F; Whalen, Sandra; Heide, Solveig; Keren, Boris; Terhal, Pauline; Irving, Melita; Takaku, Motoki; Roberts, John D; Petrovich, Robert M; Schrier Vergano, Samantha A; Kenney, Amy; Hove, Hanne; DeChene, Elizabeth; Quinonez, Shane C; Colin, Estelle; Ziegler, Alban; Rumple, Melissa; Jain, Mahim; Monteil, Danielle; Roeder, Elizabeth R; Nugent, Kimberly; van Haeringen, Arie; Gambello, Michael; Santani, Avni; Medne, Līvija; Krock, Bryan; Skraban, Cara M; Zackai, Elaine H; Dubbs, Holly A; Smol, Thomas; Ghoumid, Jamal; Parker, Michael J; Wright, Michael; Turnpenny, Peter; Clayton-Smith, Jill; Metcalfe, Kay; Kurumizaka, Hitoshi; Gelb, Bruce D; Baris Feldman, Hagit; Campeau, Philippe M; Muenke, Maximilian; Wade, Paul A; Lachlan, Katherine
Genetics in medicine, 02/2020, Letnik: 22, Številka: 2Journal Article
Sifrim-Hitz-Weiss syndrome (SIHIWES) is a recently described multisystemic neurodevelopmental disorder caused by de novo variants inCHD4. In this study, we investigated the clinical spectrum of the disorder, genotype-phenotype correlations, and the effect of different missense variants on CHD4 function. We collected clinical and molecular data from 32 individuals with mostly de novo variants in CHD4, identified through next-generation sequencing. We performed adenosine triphosphate (ATP) hydrolysis and nucleosome remodeling assays on variants from five different CHD4 domains. The majority of participants had global developmental delay, mild to moderate intellectual disability, brain anomalies, congenital heart defects, and dysmorphic features. Macrocephaly was a frequent but not universal finding. Additional common abnormalities included hypogonadism in males, skeletal and limb anomalies, hearing impairment, and ophthalmic abnormalities. The majority of variants were nontruncating and affected the SNF2-like region of the protein. We did not identify genotype-phenotype correlations based on the type or location of variants. Alterations in ATP hydrolysis and chromatin remodeling activities were observed in variants from different domains. The CHD4-related syndrome is a multisystemic neurodevelopmental disorder. Missense substitutions in different protein domains alter CHD4 function in a variant-specific manner, but result in a similar phenotype in humans.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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