Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA309287 | ENA |
REPOSITORIES: ENA
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Project description:Ulcerative colitis is a chronic inflammatory disorder in the lower part of the digestive system. Despite of many functional studies, the hidden mechanisms of this complex disease limit complete remission. Here, we investigated transcriptomic signature of ulcerative colitis using RNA sequencing obtained from 15 active (inflamed), 15 inactive (non-inflamed) samples of ulcerative colitis, and 15 healthy controls. The transcriptomics profiling revealed that inflammatory transcriptomic signature was highly enriched in active samples compared to inactive or healthy control samples. However, this bulk RNAseq cannot provide the cell type information, which play a key role in such a chronic inflammation. To overcome this limitation, we borrowed the power of single cell RNAseq. Deconvolution of bulk RNAseq based on the single cell expression estimated active UC enriched cell types including inflammatory fibroblast and inflammatory monocytes. This integrative approach using bulk and single cell transcriptomics provide not only target genes but also target cell types of ulcerative colitis for therapeutic purpose.
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Project description:Ulcerative Colitis is an autoimmune inflammatory bowel disease that causes chronic inflammation in the colon and the rectum. Althoung extensively researched, the underlying molecular mechanisms of Ulcerative Colitis remain elusive. Especially, there is a lack of understanding about regulatory non-coding miRNA expression during Ulcerative Colitis. Therefore, we performed high-throughput miRNA profiling of colon tissue biopsies from XX patients with active Ulcerative Colitis, XX patients with quiescent Ulcerative Colitis and XX Symptomatic Control individuals.
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