Related Experiment Video
Updated: Sep 24, 2025

In Vivo Inhibition of MicroRNA to Decrease Tumor Growth in Mice
Published on: August 23, 2019
miR-30a Serves as a Tumor Suppressor for Hepatocellular Carcinoma by Downregulating ADAMTS14
Background:
Hepatocellular carcinoma (HCC) is a very common malignancy in the world, but the effect of therapies on advanced HCC has not improved for decades. The present study aimed to investigate the role of miR-30a in the tumorigenesis of HCC.
Methods:
The expression of miR-30a and ADAMTS14 in HCC tissues were determined. Luciferase reporter gene detection confirmed the correlation between miR-30a and ADAMTS14. Cell viability and apoptosis rate were examined using an MTT assay and flow cytometry. Cell migration and invasion ability were detected by a transwell assay. The protein expression of ADAMTS14, β-catenin, GSK-3β, and p-GSK-3β were determined using western blotting.
Results:
miR-30a was negatively correlated with the expression of ADAMTS14 in HCC tissues. Further research confirmed that ADAMTS14 is the direct target of miR-30a. In addition, the expression of ADAMTS14, cell viability and apoptosis were suppressed by miR-30a overexpression, while knockdown of miR-30a led to the opposite result. miR-30a also inhibits the phosphorylation of GSK-3β and β-catenin, without changing the total GSK-3β level.
Conclusions:
miR-30a acts as a tumor suppressor in the progression of HCC and can be used as a biomarker for early prediction and diagnosis.
Insights
MicroRNA-30a (miR-30a) functions as a tumor suppressor in hepatocellular carcinoma (HCC) progression. This microRNA inhibits tumor growth and can serve as a biomarker for early HCC detection.
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- Hepatocellular carcinoma (HCC) is a prevalent malignancy with limited therapeutic advancements for advanced stages.
- The role of microRNA-30a (miR-30a) in HCC tumorigenesis requires further investigation.
Purpose of the Study:
- To elucidate the function of miR-30a in hepatocellular carcinoma (HCC) development.
- To determine the relationship between miR-30a and ADAMTS14 in HCC.
Main Methods:
- Assessed miR-30a and ADAMTS14 expression in HCC tissues.
- Utilized luciferase reporter assays to confirm the miR-30a-ADAMTS14 interaction.
- Evaluated cell viability, apoptosis, migration, and invasion using MTT, flow cytometry, and Transwell assays.
- Determined protein levels of ADAMTS14, β-catenin, and GSK-3β via Western blotting.
Main Results:
- miR-30a expression was inversely correlated with ADAMTS14 levels in HCC.
- ADAMTS14 was identified as a direct target of miR-30a.
- miR-30a overexpression suppressed ADAMTS14, cell viability, and apoptosis, while promoting apoptosis.
- miR-30a inhibited GSK-3β and β-catenin phosphorylation, impacting the Wnt/β-catenin pathway.
Conclusions:
- miR-30a acts as a tumor suppressor in HCC progression.
- miR-30a demonstrates potential as a biomarker for early prediction and diagnosis of HCC.
More Related Videos
Related Concept Videos
Abnormal Proliferation
MicroRNAs
Loss of Tumor Suppressor Gene Functions
When the tumor suppressor genes develop mutations or are lost, cells start growing out of control, leading to cancer. However, a single functional copy of the tumor suppressor gene is enough for the cells to maintain their normal functions and cell...
mTOR Signaling and Cancer Progression
The mTOR pathway or the...

