Transcriptomics

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CeRNA Expression Profiling Identifies KIT Related circRNAs-miRNA-mRNA Networks in Gastro-intestinal Stromal Tumors


ABSTRACT: Gastrointestinal stromal tumors (GISTs) are the most common human sarcomas and typically locate in the stomach or small intestine. circular RNAs (circRNAs) were identified to plays vital roles in tumor oncogenesis and progression. To investigate the involvement of differentially expressing genes and circRNAs in GIST , transcriptomic analyses of differential expression genes and circRNAs were performed for discrimination of GISTs from normal tissues. The RNA samples were extracted from three GIST samples and three adjacent mucosa for microarray profiling and performed in Agilent-078298 human ceRNA array for gene and circRNAs expression profiling analysis. On average, we detected expression of 17,000 transcripts.Under the criteria fold change > 2 or < 0.5, we obtained a total of 5770 circRNAs and 1815 mRNAs were differentially expressed in GISTs. Hierarchy cluster analysis also indicated that the 6 samples were distributed into two clusters, 3 GIST samples in one cluster and 3 normal samples in another cluster. Then,qRT-PCR validation of the DEGs in GIST tissue and adjacent tissues.The results revealed that grouping was reasonable and the data can be directly applied to further analysis.

ORGANISM(S): Homo sapiens

PROVIDER: GSE131481 | GEO | 2019/05/21

REPOSITORIES: GEO

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