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Carvacrol affects breast cancer cells through TRPM7 mediated cell cycle regulation

Leilei Li1, Liang He1, Yalei Wu1

  • 1Department of Thyroid and Breast Surgery, Luoyang Central Hospital Affiliated to Zhengzhou University, 471009, China.

Life Sciences
|December 14, 2020
PubMed

Insights

Carvacrol, a natural compound, inhibits breast cancer cell growth and induces apoptosis by regulating the cell cycle via the transient receptor potential melastatin-like 7 (TRPM7) channel.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Breast cancer is a leading cause of cancer death in women, necessitating novel therapeutic strategies.
  • Transient receptor potential melastatin-like 7 (TRPM7) channels are implicated in cancer progression.
  • Carvacrol, a natural TRPM7 inhibitor, shows potential anti-cancer activity.

Purpose of the Study:

  • To investigate the anti-cancer effects of carvacrol on breast cancer cells.
  • To determine if carvacrol's effects are mediated through TRPM7-dependent cell cycle regulation.

Main Methods:

  • Cell viability (CCK-8 assay) and apoptosis (ELISA) were assessed in multiple breast cancer cell lines.
  • TRPM7 function was evaluated using western blotting, patch-clamp, and fura-2 quench assays.
  • Cell cycle distribution and regulatory protein expression were analyzed by flow cytometry and western blotting, with TRPM7 knockdown experiments.

Main Results:

  • Carvacrol inhibited breast cancer cell viability with varying potency; MDA-MB-231 cells were most sensitive.
  • Apoptosis was significantly induced at concentrations above 200 μM.
  • Carvacrol suppressed TRPM7 channel activity and altered cell cycle progression (G1/G0 arrest) by regulating cyclin proteins in MDA-MB-231 cells.
  • These carvacrol-induced effects were abrogated by TRPM7 knockdown.

Conclusions:

  • Carvacrol exhibits anti-cancer properties against breast cancer cells.
  • The TRPM7 pathway is a key pharmacological target for carvacrol's anti-cancer effects, involving cell cycle regulation.
Keywords:
Breast cancerCell cycleTRPM7

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