Journal
CANCER CELL INTERNATIONAL
Volume 21, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12935-021-01879-y
Keywords
Renal clear cell carcinoma; IRF6; KIF20A; Prognosis; Early diagnostic target
Categories
Funding
- Suzhou key clinical diseases diagnosis and treatment technology special project [LCZX201930]
- Suzhou Science and Technology Planed Projects [SYS2018010]
- Suzhou High-tech Zone Medical and Health Technology Plan Project [2017Z005]
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This study revealed that IRF6 is down-regulated in ccRCC and correlates with poor prognosis, while KIF20A is up-regulated and associated with prognosis in ccRCC. It was also found that IRF6 can affect ccRCC cell proliferation, invasion, and migration by inhibiting KIF20A.
Background Renal clear cell carcinoma (ccRCC) is one of the most common malignant tumors, whose incidence is increasing year by year. IRF6 plays an important role in the occurrence of tumors, although there is yet no report on its expression in ccRCC. Methods The expression of IRF6 and KIF20A in ccRCC was predicted by GEPIA and HAP databases. In addition, GEPIA database predicted the relationship between IRF6 and KIF20A expressions and the pathological staging, overall survival, and disease-free survival of ccRCC. The possible binding sites of IRF6 and KIF20A promoters were predicted by JASPAR database and verified by luciferase and ChIP assays. The specific effects of IRF6 on ccRCC cell proliferation, invasion and apoptosis were subsequently examined at both cellular level and animal level. Results The database predicted down-regulated IRF6 expression in renal carcinoma tissues and its correlation with poor prognosis. IRF6 overexpression inhibited cRCC cell proliferation, invasion and migration. In addition, up-regulated KIF20A expression in renal carcinoma tissues and its association with prognosis were also predicted. Interference with KIF20A inhibited the proliferation, invasion, and migration of ccRCC cells. Finally, we confirmed that KIF20A is a functional target of IRF6 and can partially reverse the effects of IRF6 on the proliferation, invasion and migration of ccRCC cells. Conclusion: Inhibition of KIF20A by transcription factor IRF6 affects cell proliferation, invasion and migration in renal clear cell carcinoma.
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