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Published on: October 20, 2016
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TM4SF1 promotes glioma malignancy through multiple mechanisms
Yan-Wen Zheng1, Man Wang1, Zhao-Min Zhong2
1Central Laboratory, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.
Neoplasma
|May 9, 2022
Summary
Transmembrane-4 L Six Family member 1 (TM4SF1) is highly expressed in glioma, correlating with poor survival. Inhibiting TM4SF1 reduces glioma cell growth and promotes apoptosis, suggesting it as a potential therapeutic target.
Area of Science:
- Oncology
- Molecular Biology
- Cell Biology
Background:
- Glioma is a highly aggressive brain tumor with limited treatment options.
- Transmembrane-4 L Six Family member 1 (TM4SF1) is an integral membrane protein linked to cell growth and tumor progression.
- TM4SF1 expression is elevated in various cancers, but its role in glioma requires further elucidation.
Purpose of the Study:
- To investigate the expression and function of TM4SF1 in glioma.
- To determine the correlation between TM4SF1 expression and patient survival rates.
- To explore the potential of TM4SF1 as a therapeutic target for glioma intervention.
Main Methods:
- Quantitative analysis of TM4SF1 expression in glioma tissues and cell lines.
- RNA interference (RNAi) to silence TM4SF1 expression in glioma cells.
- Cell proliferation, migration, invasion, cell cycle, and apoptosis assays.
- Western blot analysis to assess key protein levels (phospho-ATK, Cyclin D1, Bcl-2, MMP-9).
Main Results:
- TM4SF1 was significantly overexpressed in glioma tissues and cell lines.
- High TM4SF1 expression negatively correlated with patient survival.
- TM4SF1 silencing inhibited glioma cell proliferation, migration, and invasion.
- TM4SF1 silencing induced cell cycle arrest and apoptosis, while reducing phospho-ATK, Cyclin D1, Bcl-2, and MMP-9 levels.
Conclusions:
- TM4SF1 plays a crucial role in glioma cell proliferation, migration, invasion, and survival.
- TM4SF1 expression levels are a potential prognostic biomarker for glioma patients.
- Targeting TM4SF1 presents a promising therapeutic strategy for glioma treatment.
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