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Knockdown of ECHS1 protein expression inhibits hepatocellular carcinoma cell proliferation via suppression of Akt
Xiao-san Zhu1, Yi-chen Dai, Zhang-xing Chen
1Department of Gastroenterology, the Chenggong Hospital Affiliated to Xiamen University, Wenyuan Road, Xiamen, Fujian 361003, China.
Abstract:
Overexpression of ECHS1 occurs in different cancers, including hepatocellular carcinoma (HCC). ECHS1 is also reported to have an oncogenic activity in various human cancers. This study investigated the effect of ECHS1 knockdown on the regulation of HCC growth. ECHS1 shRNA suppressed the expression of ECHS1 protein in HepG2 cells compared to the negative control vector-transfected HCC cells. ECHS1 knockdown also reduced HCC cell viability and enhanced cisplatin-induced apoptosis in HCC cells. Akt activation and the expression of various cell cycle-related genes were inhibited following ECHS1 knockdown. ECHS1 shRNA suppressed hepatocellular carcinoma growth in tumor xenograft mice. These data demonstrate that ECHS1 may play a role in HCC progression, suggesting that inhibition of ECHS1 expression using ECHS1 shRNA should be further evaluated as a novel target for the control of HCC.
Insights
Echinase 1 (ECHS1) overexpression drives hepatocellular carcinoma (HCC) growth. Inhibiting ECHS1 with shRNA reduced tumor progression and enhanced chemotherapy effectiveness, suggesting ECHS1 as a potential HCC therapeutic target.
Area of Science:
- Oncology
- Molecular Biology
- Biochemistry
Background:
- Echinase 1 (ECHS1) is overexpressed in various cancers, including hepatocellular carcinoma (HCC).
- ECHS1 exhibits oncogenic activity, contributing to cancer progression.
- The specific role of ECHS1 in HCC development requires further investigation.
Purpose of the Study:
- To investigate the effect of ECHS1 knockdown on HCC growth.
- To determine the impact of ECHS1 inhibition on HCC cell viability and apoptosis.
- To explore the molecular mechanisms underlying ECHS1's role in HCC.
Main Methods:
- ECHS1 knockdown was achieved using ECHS1 shRNA in HepG2 cells.
- Cell viability and cisplatin-induced apoptosis were assessed.
- Western blotting was used to analyze Akt activation and cell cycle-related gene expression.
- Tumor xenograft mouse models were employed to evaluate ECHS1's in vivo effect.
Main Results:
- ECHS1 shRNA effectively suppressed ECHS1 protein expression in HCC cells.
- ECHS1 knockdown reduced HCC cell viability and enhanced cisplatin-induced apoptosis.
- Akt activation and cell cycle-related gene expression were inhibited by ECHS1 knockdown.
- ECHS1 inhibition suppressed HCC tumor growth in vivo.
Conclusions:
- ECHS1 plays a significant role in HCC progression.
- ECHS1 knockdown demonstrates therapeutic potential for HCC treatment.
- Targeting ECHS1 with shRNA warrants further evaluation as a novel strategy for HCC control.
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