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Brain Gene Co-Expression Network Analysis Identifies 22q13 Region Genes Associated with Autism, Intellectual Disability, Seizures, Language Impairment, and Hypotonia

Overview
Journal Genes (Basel)
Publisher MDPI
Date 2023 Nov 25
PMID 38002941
Authors
Affiliations
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Abstract

Phelan-McDermid syndrome (PMS) is a rare genetic neurodevelopmental disorder caused by 22q13 region deletions or gene variants. Deletions vary in size and can affect other genes in addition to . PMS is characterized by autism spectrum disorder (ASD), intellectual disability (ID), developmental delays, seizures, speech delay, hypotonia, and minor dysmorphic features. It is challenging to determine individual gene contributions due to variability in deletion sizes and clinical features. We implemented a genomic data mining approach for identifying and prioritizing the candidate genes in the 22q13 region for five phenotypes: ASD, ID, seizures, language impairment, and hypotonia. Weighted gene co-expression networks were constructed using the BrainSpan transcriptome dataset of a human brain. Bioinformatic analyses of the co-expression modules allowed us to select specific candidate genes, including , , , , , , , and , for the common neurological phenotypes of PMS. The findings help understand the disease mechanisms and may provide novel therapeutic targets for the precise treatment of PMS.

Citing Articles

Evidence for common mechanisms of pathology between SHANK3 and other genes of Phelan-McDermid syndrome.

Mitz A, Boccuto L, Thurm A Clin Genet. 2024; 105(5):459-469.

PMID: 38414139 PMC: 11025605. DOI: 10.1111/cge.14503.

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