Journal
EPIGENOMICS
Volume 11, Issue 7, Pages 787-804Publisher
FUTURE MEDICINE LTD
DOI: 10.2217/epi-2019-0029
Keywords
bioinformatics; circMTUS1; circular RNA; conjunctival melanoma
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Funding
- National Natural Science Foundation of China [81772875, 81570884, 81770961]
- Science and Technology Commission of Shanghai [17DZ2260100]
- Innovation Fund for Translational Medicine [15ZH1005]
- ShuGuang Project of Shanghai Municipal Education Commission
- Shanghai Education Development Foundation [14SG18]
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Aim: We aimed to explore the roles of circular RNA (circRNA) in conjunctival melanoma. Materials & methods: The altered circRNAs were identified by RNA sequencing. The function of one circRNA, circMTUS1, was explored by several experiments in conjunctival melanoma. Bioinformatic analyses and an RNA immunoprecipitation assay were performed to further study the downstream mechanism of circMTUS1. Results: We identified 9300 different circRNAs in conjunctival melanoma tissues compared with adjacent normal tissues. CircMTUS1 was upregulated in conjunctival melanoma. Silencing of circMTUS1 inhibited conjunctival melanoma proliferation in vitro and in vivo. CircMTUS1 may serve as an oncogene by binding to hsa-miR-622 and hsa-miR-1208 to regulate several tumor-related pathways. Conclusion: We demonstrated that circMTUS1 may serve as an oncogene to promote tumor proliferation.
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