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TRPM8 overexpression suppresses hepatocellular carcinoma progression and improves survival by modulating the
Lichan Chen1, Nansong Xu2, DongMei Gou3
1Department of Laboratory Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital; Shenzhen Key Laboratory of Medical Laboratory and Molecular Diagnostics; Guangzhou Medical University, Shenzhen, China.
TRPM8 (Transient Receptor Potential Melastatin 8) acts as a tumor suppressor in hepatocellular carcinoma (HCC). Decreased TRPM8 expression correlates with poor prognosis, and its upregulation inhibits HCC progression via the RTP3/STAT3 pathway.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Research
Background:
- Hepatocellular carcinoma (HCC) presents significant global health challenges.
- TRPM8's role in HCC progression is not fully understood.
- Investigating TRPM8 offers potential for novel therapeutic strategies.
Purpose of the Study:
- To explore TRPM8 expression levels in HCC.
- To elucidate the molecular functions and mechanisms of TRPM8 in HCC.
- To assess the diagnostic and prognostic value of TRPM8.
Main Methods:
- Analysis of TRPM8 expression in HCC tissue samples.
- In vitro assays (Cell Counting Kit-8, EdU, colony formation, Transwell) to assess proliferation, migration, and invasion.
- In vivo studies using a mouse xenograft model.
- Protein-protein interaction (PPI) network analysis for mechanistic insights.
Main Results:
- TRPM8 expression is downregulated in HCC tissues, correlating with higher histological grade and poorer patient prognosis.
- TRPM8 significantly suppresses HCC cell proliferation and metastasis in vitro and in vivo.
- The TRPM8-RTP3-STAT3 signaling pathway mediates these anti-tumour effects.
Conclusions:
- The TRPM8-RTP3-STAT3 axis is crucial in regulating HCC malignant progression.
- Upregulating TRPM8 expression, potentially through agents like AD80, demonstrates anti-tumour activity.
- TRPM8 serves as a potential therapeutic target for HCC.
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