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Analysis of differentially expressed miRNA in cisplatin-resistant FaDu cell

ABSTRACT: Cisplatin is a common chemotherapeutic drug for hypopharyngeal cancer. But cisplatin-resistance of hypopharyngeal cancer is rarely explored. We cultured hypopharyngeal cancer cell (FaDu) and induced its cisplatin-resistant cell (FaDu/DDP4). The resistance index (RI) of FaDu/DDP4 was 2.828. Then we tested the differentially expressed genes (DEGs) between FaDu and FaDu/DDP4. DEGs contain 2388 lncRNAs, 1932 circRNAs, 745 mRNAs and 202 miRNAs. We used Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyzed the DEGs. The differentially expressed 745 mRNAs were classified into 3 domains and 47 secondary GO terms. In KEGG pathway enrichment, “TNF signaling pathway”, “IL-17 signaling pathway” and “JAK-STAT signaling pathway” have greater enrich factors. And we drew the ceRNA networks of DEGs. 52 lncRNAs, 148 circRNAs, 155 mRNAs and 18 miRNAs were selected to draw the network. We noticed several potential targets (as miR-197-5p, miR-6808-5p, APOE, MMP1, S100A9 and CYP24A1). At last, we chose 8 miRNAs and 6 mRNAs for qRT-PCR to verify our microarray. In them, miR-197-5p, miR-6808-5p, APOE, MMP1, S100A9 and CYP24A1 might be potential genes inducing resistance.

ORGANISM(S): Homo sapiens

PROVIDER: GSE167398 | GEO | 2021/06/02

REPOSITORIES: GEO

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