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Updated: Jun 28, 2025

Isolation and Flow Cytometric Analysis of Glioma-infiltrating Peripheral Blood Mononuclear Cells
Published on: November 28, 2015
Transient receptor potential vanilloid-1 (TRPV1) channels act as suppressors of the growth of glioma
Jingjing Cheng1, Mengliu Zeng2, Biwen Peng1
1Department of Physiology, Hubei Provincial Key Laboratory of Developmentally Originated Disease, School of Basic Medical Sciences, Wuhan University, Wuhan, China.
Transient Receptor Potential Vanilloid 1 (TRPV1) is upregulated in glioma, negatively controlling tumor cell proliferation via the Akt pathway. Targeting TRPV1 presents a potential therapeutic strategy for glioma treatment.
Area of Science:
- Neuroscience
- Oncology
- Molecular Biology
Background:
- Glioma is a primary brain tumor with limited treatment options.
- The role of Transient Receptor Potential Vanilloid 1 (TRPV1) in glioma pathogenesis is not well understood.
Purpose of the Study:
- To investigate the expression and functional role of TRPV1 in glioma.
- To elucidate the molecular mechanisms underlying TRPV1's function in glioma.
Main Methods:
- Quantitative Polymerase Chain Reaction (qPCR) and Western Blot analysis for TRPV1 expression.
- In vitro studies using short hairpin RNA (shRNA) and TRPV1 inhibitors.
- In vivo mouse xenograft models (NOD-SCID).
Main Results:
- TRPV1 mRNA and protein expression were significantly upregulated in glioma tissues compared to normal brain.
- TRPV1 activation inhibited glioma cell proliferation and migration while inducing apoptosis.
- TRPV1 modulated glioma proliferation through the Akt signaling pathway.
- TRPV1 knockdown in vivo led to increased tumor size in xenograft models.
Conclusions:
- TRPV1 negatively regulates glioma cell proliferation in an Akt-dependent manner.
- TRPV1 represents a potential therapeutic target for glioma treatment.
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