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Auteur R. J. LEVENTER |
Documents disponibles écrits par cet auteur (1)
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A systematic review of brain MRI findings in monogenic disorders strongly associated with autism spectrum disorder / V. FREWER in Journal of Child Psychology and Psychiatry, 62-11 (November 2021)
[article]
Titre : A systematic review of brain MRI findings in monogenic disorders strongly associated with autism spectrum disorder Type de document : Texte imprimé et/ou numérique Auteurs : V. FREWER, Auteur ; C. P. GILCHRIST, Auteur ; S. E. COLLINS, Auteur ; K. WILLIAMS, Auteur ; M. L. SEAL, Auteur ; R. J. LEVENTER, Auteur ; D. J. AMOR, Auteur Article en page(s) : p.1339-1352 Langues : Anglais (eng) Mots-clés : Autism Spectrum Disorder/diagnostic imaging/genetics Autistic Disorder Brain/diagnostic imaging Humans Magnetic Resonance Imaging Neuroimaging Autism spectrum disorder Mri magnetic resonance imaging monogenic disorders Index. décimale : PER Périodiques Résumé : BACKGROUND: Research on monogenic forms of autism spectrum disorder (autism) can inform our understanding of genetic contributions to the autism phenotype; yet, there is much to be learned about the pathways from gene to brain structure to behavior. This systematic review summarizes and evaluates research on brain magnetic resonance imaging (MRI) findings in monogenic conditions that have strong association with autism. This will improve understanding of the impact of genetic variability on brain structure and related behavioral traits in autism. METHODS: The search strategy for this systematic review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Risk of bias (ROB) assessment was completed on included studies using the Newcastle-Ottawa Scales. RESULTS: Of 4,287 studies screened, 69 were included pertaining to 13 of the top 20 genes with the strongest association with autism. The greatest number of studies related to individuals with PTEN variants and autism. Brain MRI abnormalities were reported for 12 of the 13 genes studied, and in 51.7% of participants across all 13 genes, including 100% of participants with ARID1B variants. Specific MRI findings were highly variable, with no clear patterns emerging within or between the 13 genes, although white matter abnormalities were the most common. Few studies reported specific details about methods for acquisition and processing of brain MRI, and descriptors for brain abnormalities were variable. ROB assessment indicated high ROB for all studies, largely due to small sample sizes and lack of comparison groups. CONCLUSIONS: Brain abnormalities are common in this population of individuals, in particular, children; however, a range of different brain abnormalities were reported within and between genes. Directions for future neuroimaging research in monogenic autism are suggested. En ligne : http://dx.doi.org/10.1111/jcpp.13510 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=456
in Journal of Child Psychology and Psychiatry > 62-11 (November 2021) . - p.1339-1352[article] A systematic review of brain MRI findings in monogenic disorders strongly associated with autism spectrum disorder [Texte imprimé et/ou numérique] / V. FREWER, Auteur ; C. P. GILCHRIST, Auteur ; S. E. COLLINS, Auteur ; K. WILLIAMS, Auteur ; M. L. SEAL, Auteur ; R. J. LEVENTER, Auteur ; D. J. AMOR, Auteur . - p.1339-1352.
Langues : Anglais (eng)
in Journal of Child Psychology and Psychiatry > 62-11 (November 2021) . - p.1339-1352
Mots-clés : Autism Spectrum Disorder/diagnostic imaging/genetics Autistic Disorder Brain/diagnostic imaging Humans Magnetic Resonance Imaging Neuroimaging Autism spectrum disorder Mri magnetic resonance imaging monogenic disorders Index. décimale : PER Périodiques Résumé : BACKGROUND: Research on monogenic forms of autism spectrum disorder (autism) can inform our understanding of genetic contributions to the autism phenotype; yet, there is much to be learned about the pathways from gene to brain structure to behavior. This systematic review summarizes and evaluates research on brain magnetic resonance imaging (MRI) findings in monogenic conditions that have strong association with autism. This will improve understanding of the impact of genetic variability on brain structure and related behavioral traits in autism. METHODS: The search strategy for this systematic review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Risk of bias (ROB) assessment was completed on included studies using the Newcastle-Ottawa Scales. RESULTS: Of 4,287 studies screened, 69 were included pertaining to 13 of the top 20 genes with the strongest association with autism. The greatest number of studies related to individuals with PTEN variants and autism. Brain MRI abnormalities were reported for 12 of the 13 genes studied, and in 51.7% of participants across all 13 genes, including 100% of participants with ARID1B variants. Specific MRI findings were highly variable, with no clear patterns emerging within or between the 13 genes, although white matter abnormalities were the most common. Few studies reported specific details about methods for acquisition and processing of brain MRI, and descriptors for brain abnormalities were variable. ROB assessment indicated high ROB for all studies, largely due to small sample sizes and lack of comparison groups. CONCLUSIONS: Brain abnormalities are common in this population of individuals, in particular, children; however, a range of different brain abnormalities were reported within and between genes. Directions for future neuroimaging research in monogenic autism are suggested. En ligne : http://dx.doi.org/10.1111/jcpp.13510 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=456