Title |
Cytogenomic mapping and bioinformatic mining reveal interacting brain expressed genes for intellectual disability
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Published in |
Molecular Cytogenetics, January 2014
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DOI | 10.1186/1755-8166-7-4 |
Pubmed ID | |
Authors |
Fang Xu, Lun Li, Vincent P Schulz, Patrick G Gallagher, Bixia Xiang, Hongyu Zhao, Peining Li |
Abstract |
Microarray analysis has been used as the first-tier genetic testing to detect chromosomal imbalances and copy number variants (CNVs) for pediatric patients with intellectual and developmental disabilities (ID/DD). To further investigate the candidate genes and underlying dosage-sensitive mechanisms related to ID, cytogenomic mapping of critical regions and bioinformatic mining of candidate brain-expressed genes (BEGs) and their functional interactions were performed. Critical regions of chromosomal imbalances and pathogenic CNVs were mapped by subtracting known benign CNVs from the Databases of Genomic Variants (DGV) and extracting smallest overlap regions with cases from DatabasE of Chromosomal Imbalance and Phenotype in Humans using Ensembl Resources (DECIPHER). BEGs from these critical regions were revealed by functional annotation using Database for Annotation, Visualization, and Integrated Discovery (DAVID) and by tissue expression pattern from Uniprot. Cross-region interrelations and functional networks of the BEGs were analyzed using Gene Relationships Across Implicated Loci (GRAIL) and Ingenuity Pathway Analysis (IPA). |
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Mendeley readers
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