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| Content Provider | frontiers |
|---|---|
| Author | Wang, Yunjie Li, Zexu Yang, Guanheng Cai, Linlin Yang, Fan Zhang, Yaqiong Zeng, Yitao Ma, Qingwen Zeng, Fanyi |
| Abstract | Down's syndrome (DS) is one of the most commonly known disorders with multiple congenital disabilities. Besides severe cognitive impairment and intellectual disability, individuals with DS also exhibit additional phenotypes of variable penetrance and severity, with one or more comorbid conditions, including Alzheimer's disease, congenital heart disease, or leukemia. Various vital genes and regulatory networks had been studied to reveal the pathogenesis of the disease. Nevertheless, very few studies have examined alternative splicing. Alternative splicing (AS) is a regulatory mechanism of gene expression when making one multi-exon protein-coding gene produce more than one unique mature mRNA. We employed the GeneChip Human Transcriptome Array 2.0 (HTA 2.0) for the global gene analysis with hiPSCs from DS and healthy individuals. Examining differentially expressed genes (DEGs) in these groups and focusing on specific transcripts with AS, 466 up-regulated and 722 down-regulated genes with AS events were identified. These genes were significantly enriched in biological processes, such as cell adhesion, cardiac muscle contraction, and immune response, through gene ontology (GO) analysis of DEGs. Candidate genes, such as FN1 were further explored for potentially playing a key role in DS. This study provides important insights into the potential role that AS plays in DS. |
| ISSN | 2296634X |
| DOI | 10.3389/fcell.2021.661381 |
| Volume Number | 9 |
| Journal | Frontiers in Cell and Developmental Biology |
| Language | English |
| Publisher Date | 2021-09-30 |
| Access Restriction | Open |
| Subject Keyword | Gene regulation IPSC Alternative Splicing Down's syndrome Differentially expressed genes |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Developmental Biology |
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