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Auteur A. KOSTIC |
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Prospective and detailed behavioral phenotyping in DDX3X syndrome / L. TANG in Molecular Autism, 12 (2021)
[article]
Titre : Prospective and detailed behavioral phenotyping in DDX3X syndrome Type de document : Texte imprimé et/ou numérique Auteurs : L. TANG, Auteur ; T. LEVY, Auteur ; S. GUILLORY, Auteur ; Danielle B. HALPERN, Auteur ; J. ZWEIFACH, Auteur ; I. GISERMAN-KISS, Auteur ; J. H. FOSS-FEIG, Auteur ; Y. FRANK, Auteur ; R. LOZANO, Auteur ; P. BELANI, Auteur ; C. LAYTON, Auteur ; B. LERMAN, Auteur ; E. FROWNER, Auteur ; Michael S. BREEN, Auteur ; S. DE RUBEIS, Auteur ; A. KOSTIC, Auteur ; A. KOLEVZON, Auteur ; Joseph D. BUXBAUM, Auteur ; P. M. SIPER, Auteur ; D. E. GRICE, Auteur Article en page(s) : 36 p. Langues : Anglais (eng) Mots-clés : Autism DDX3X syndrome Developmental delay Genotype–phenotype correlation Intellectual disability Therapeutics, Acadia, and Sema4. PMS is the inventor of the SAND, which is licensed by Mount Sinai to Stoelting Co. No other competing interests to declare. Index. décimale : PER Périodiques Résumé : BACKGROUND: DDX3X syndrome is a recently identified genetic disorder that accounts for 1-3% of cases of unexplained developmental delay and/or intellectual disability (ID) in females, and is associated with motor and language delays, and autism spectrum disorder (ASD). To date, the published phenotypic characterization of this syndrome has primarily relied on medical record review; in addition, the behavioral dimensions of the syndrome have not been fully explored. METHODS: We carried out multi-day, prospective, detailed phenotyping of DDX3X syndrome in 14 females and 1 male, focusing on behavioral, psychological, and neurological measures. Three participants in this cohort were previously reported with limited phenotype information and were re-evaluated for this study. We compared results against population norms and contrasted phenotypes between individuals harboring either (1) protein-truncating variants or (2) missense variants or in-frame deletions. RESULTS: Eighty percent (80%) of individuals met criteria for ID, 60% for ASD and 53% for attention-deficit/hyperactivity disorder (ADHD). Motor and language delays were common as were sensory processing abnormalities. The cohort included 5 missense, 3 intronic/splice-site, 2 nonsense, 2 frameshift, 2 in-frame deletions, and one initiation codon variant. Genotype-phenotype correlations indicated that, on average, missense variants/in-frame deletions were associated with more severe language, motor, and adaptive deficits in comparison to protein-truncating variants. LIMITATIONS: Sample size is modest, however, DDX3X syndrome is a rare and underdiagnosed disorder. CONCLUSION: This study, representing a first, prospective, detailed characterization of DDX3X syndrome, extends our understanding of the neurobehavioral phenotype. Gold-standard diagnostic approaches demonstrated high rates of ID, ASD, and ADHD. In addition, sensory deficits were observed to be a key part of the syndrome. Even with a modest sample, we observe evidence for genotype-phenotype correlations with missense variants/in-frame deletions generally associated with more severe phenotypes. En ligne : http://dx.doi.org/10.1186/s13229-021-00431-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=459
in Molecular Autism > 12 (2021) . - 36 p.[article] Prospective and detailed behavioral phenotyping in DDX3X syndrome [Texte imprimé et/ou numérique] / L. TANG, Auteur ; T. LEVY, Auteur ; S. GUILLORY, Auteur ; Danielle B. HALPERN, Auteur ; J. ZWEIFACH, Auteur ; I. GISERMAN-KISS, Auteur ; J. H. FOSS-FEIG, Auteur ; Y. FRANK, Auteur ; R. LOZANO, Auteur ; P. BELANI, Auteur ; C. LAYTON, Auteur ; B. LERMAN, Auteur ; E. FROWNER, Auteur ; Michael S. BREEN, Auteur ; S. DE RUBEIS, Auteur ; A. KOSTIC, Auteur ; A. KOLEVZON, Auteur ; Joseph D. BUXBAUM, Auteur ; P. M. SIPER, Auteur ; D. E. GRICE, Auteur . - 36 p.
Langues : Anglais (eng)
in Molecular Autism > 12 (2021) . - 36 p.
Mots-clés : Autism DDX3X syndrome Developmental delay Genotype–phenotype correlation Intellectual disability Therapeutics, Acadia, and Sema4. PMS is the inventor of the SAND, which is licensed by Mount Sinai to Stoelting Co. No other competing interests to declare. Index. décimale : PER Périodiques Résumé : BACKGROUND: DDX3X syndrome is a recently identified genetic disorder that accounts for 1-3% of cases of unexplained developmental delay and/or intellectual disability (ID) in females, and is associated with motor and language delays, and autism spectrum disorder (ASD). To date, the published phenotypic characterization of this syndrome has primarily relied on medical record review; in addition, the behavioral dimensions of the syndrome have not been fully explored. METHODS: We carried out multi-day, prospective, detailed phenotyping of DDX3X syndrome in 14 females and 1 male, focusing on behavioral, psychological, and neurological measures. Three participants in this cohort were previously reported with limited phenotype information and were re-evaluated for this study. We compared results against population norms and contrasted phenotypes between individuals harboring either (1) protein-truncating variants or (2) missense variants or in-frame deletions. RESULTS: Eighty percent (80%) of individuals met criteria for ID, 60% for ASD and 53% for attention-deficit/hyperactivity disorder (ADHD). Motor and language delays were common as were sensory processing abnormalities. The cohort included 5 missense, 3 intronic/splice-site, 2 nonsense, 2 frameshift, 2 in-frame deletions, and one initiation codon variant. Genotype-phenotype correlations indicated that, on average, missense variants/in-frame deletions were associated with more severe language, motor, and adaptive deficits in comparison to protein-truncating variants. LIMITATIONS: Sample size is modest, however, DDX3X syndrome is a rare and underdiagnosed disorder. CONCLUSION: This study, representing a first, prospective, detailed characterization of DDX3X syndrome, extends our understanding of the neurobehavioral phenotype. Gold-standard diagnostic approaches demonstrated high rates of ID, ASD, and ADHD. In addition, sensory deficits were observed to be a key part of the syndrome. Even with a modest sample, we observe evidence for genotype-phenotype correlations with missense variants/in-frame deletions generally associated with more severe phenotypes. En ligne : http://dx.doi.org/10.1186/s13229-021-00431-z Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=459