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Updated: Mar 7, 2026

Describing a Transcription Factor Dependent Regulation of the MicroRNA Transcriptome
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Describing a Transcription Factor Dependent Regulation of the MicroRNA Transcriptome

Published on: June 15, 2016

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Calcium Dysregulation Promotes Glioma Progression by Inhibiting STAT3 Degradation Through Blocking Chaperone-Mediated

Jialong Chen1, Yixi Lai1, Mingque Li1

  • 1Dongguan Key Laboratory of Environmental Medicine, the First Dongguan Affiliated Hospital, School of Public Health, Guangdong Medical University, Dongguan, China.

Journal of Cellular and Molecular Medicine
|March 5, 2026
PubMed

Insights

Transient Receptor Potential Canonical 1 (TRPC1) promotes glioma cell migration by stabilizing Signal Transduction and Transcription Activator 3 (STAT3) protein levels. This TRPC1-HDAC6 pathway inhibits STAT3 degradation by suppressing chaperone-mediated autophagy, offering a potential therapeutic target for glioma.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • Calcium dysregulation is linked to cancer progression, affecting cell proliferation, migration, and invasion.
  • Transient Receptor Potential Canonical 1 (TRPC1) is crucial for calcium homeostasis, but its role in glioma calcium dysregulation is unclear.

Purpose of the Study:

  • To investigate the role of TRPC1 in glioma cell migration and its underlying molecular mechanisms.
  • To elucidate the relationship between TRPC1, Signal Transduction and Transcription Activator 3 (STAT3), and chaperone-mediated autophagy (CMA) in glioma.

Main Methods:

  • Investigated TRPC1's effect on glioma cell migration and STAT3 protein levels.
  • Assessed TRPC1's influence on STAT3 stability and CMA activity.
  • Examined the interaction between TRPC1, HDAC6, and Heat Shock Cognate 70 in regulating intracellular calcium.

Main Results:

  • TRPC1 promotes glioma cell migration by increasing STAT3 protein levels.
  • TRPC1 inhibits STAT3 degradation by suppressing CMA activity, identifying STAT3 as a CMA substrate.
  • TRPC1 modulates the HDAC6-Heat Shock Cognate 70 interaction via intracellular calcium, impacting CMA and preventing STAT3 degradation.

Conclusions:

  • The TRPC1-HDAC6 axis promotes glioma progression by stabilizing STAT3 through the inhibition of CMA.
  • Targeting the TRPC1-HDAC6-STAT3-CMA pathway presents a potential therapeutic strategy for glioma treatment.
Keywords:
CMASTAT3TRPC1glioma

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