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- Title
The miR-383-LDHA axis regulates cell proliferation, invasion and glycolysis in hepatocellular cancer.
- Authors
Zhixiong Fang; Langqiu He; Hui Jia; Qiusheng Huang; Dan Chen; Zhiwei Zhang
- Abstract
Objective(s): To explore the correlation between expression patterns and functions of miR-383 and LDHA in hepatocellular cancer (HCC). Materials and Methods: We detected the expression of miR-383 and LDHA in 30 HCC tissues and their matched adjacent normal tissues using qRT-PCR. Then we performed MTT assay, foci formation assay, transwell migration assay, glucose uptake assay and lactate production assay to explore the function of miR- 383 in cell proliferation, invasion and glycolysis in HCC cell lines. Luciferase reporter assay was used to explore whether LDHA was a target gene of miR-383. Western blot and qRT-PCR were used to further confirm LDHA was targeted by miR-383. Then the above functional experiments were repeated to see whether the function of LDHA could be inhibited by miR-383. Results: The results of qRT-PCR showed that miR-383 was down-regulated in HCC tissues compared with their matched adjacent normal tissues. Functional experiments showed that overexpression of miR-383 significantly suppressed cell proliferation, invasion and glycolysis. Luciferase reporter assay showed LDHA was a target gene of miR-383 and expression of LDHA was inversely correlated with that of miR-383 in HCC. Besides, increased cell proliferation, invasion and glycolysis triggered by LDHA could be inhibited by overexpression of miR-383 in HCC cell lines. Conclusion: Our study proved that miR-383 is down-regulated in HCC and acts as a tumor suppressor through targeting LDHA. Targeting the miR-383-LDHA axis might be a promising strategy in HCC treatment.
- Subjects
RECOMBINANT proteins; LACTATE dehydrogenase; CELL proliferation; GLYCOLYSIS; MICROBIAL invasiveness; LIVER cancer
- Publication
Iranian Journal of Basic Medical Sciences, 2017, Vol 20, Issue 2, p187
- ISSN
2008-3866
- Publication type
Article
- DOI
10.22038/ijbms.2017.8246