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MiR-362-5p, Which Is Regulated by Long Non-Coding RNA MBNL1-AS1, Promotes the Cell Proliferation and Tumor Growth of Bladder Cancer by Targeting QKI
- Source :
- Frontiers in Pharmacology, Frontiers in Pharmacology, Vol 11 (2020)
- Publication Year :
- 2020
- Publisher :
- Frontiers Media S.A., 2020.
-
Abstract
- In this study, we found miR-362-5p was upregulated in bladder cancer tissues and we predicted that QKI is potential a target of miR-362-5p and MBNL1-AS1 might be able to directly target to miR-362-5p. We attempted to evaluate whether miR-362-5p could play its roles in bladder cancer through regulating QKI (quaking) and whether the expression and function of miR-362-5p could be mediated by lncRNA MBNL1-AS1. We performed the gain- and loss-function experiments to explore the association between miR-362-5p expression and bladder cancer proliferation. In vivo, the nude mice were injected with miR-362-5p knockdown SW780 cells to assess the effects of miR-362-5p on tumor growth. The results showed upregulation of miR-362-5p promoted cell proliferation of bladder cancer cells. MBNL1-AS1 and QKI could directly bind with miR-362-5p, and knockdown of MBNL1-AS1 or QKI could abrogate the regulatory effects of miR-362-5p on bladder cancer cell proliferation. Furthermore, downregulation of miR-362-5p inhibited bladder tumor growth and increased QKI expression. Our data unveiled that miR-362-5p may play an oncogenic role in bladder cancer through QKI and MBNL1-AS1 might function as a sponge to mediate the miR-362-5p expression and function.
- Subjects :
- 0301 basic medicine
proliferation
Biology
MiR-362-5p
03 medical and health sciences
chemistry.chemical_compound
0302 clinical medicine
Downregulation and upregulation
In vivo
medicine
MBNL1
lncRNA MBNL1-AS1
Pharmacology (medical)
Gene
Original Research
Pharmacology
Gene knockdown
Bladder cancer
QKI
Cell growth
lcsh:RM1-950
medicine.disease
Long non-coding RNA
lcsh:Therapeutics. Pharmacology
030104 developmental biology
chemistry
030220 oncology & carcinogenesis
Cancer research
bladder cancer
Subjects
Details
- Language :
- English
- ISSN :
- 16639812
- Volume :
- 11
- Database :
- OpenAIRE
- Journal :
- Frontiers in Pharmacology
- Accession number :
- edsair.doi.dedup.....2d1db0e658412ca5139a32782df8d793