Duloxetine inhibits breast cancer progression by suppressing AKT signaling and inducing Bax/Bcl-2-mediated apoptosis

  • 0Collaborative Innovation Center of Research and Development on the Whole Industry Chain for Yu-Yao in Henan Province, Henan University of Chinese Medicine, Zhengzhou, 450046, China.

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Summary

This summary is machine-generated.

Duloxetine, an antidepressant, shows significant anti-cancer effects against breast cancer cells and tumors. It works by inhibiting key signaling pathways and promoting cancer cell death, suggesting its potential as an adjunct therapy.

Area Of Science

  • Oncology
  • Pharmacology
  • Molecular Biology

Background

  • Depressive symptoms are linked to breast cancer progression.
  • The therapeutic potential of antidepressants in breast cancer treatment requires systematic exploration.

Purpose Of The Study

  • To systematically evaluate the anti-tumor efficacy of six antidepressants in breast cancer cells.
  • To investigate the mechanisms underlying duloxetine's anti-cancer effects.

Main Methods

  • In vitro cytotoxicity assays using 4T1 and MCF-7 breast cancer cell lines.
  • In vivo studies in 4T1 tumor-bearing mice.
  • Western blot analysis to assess signaling pathways (AKT, mTOR, autophagy markers, apoptosis markers).

Main Results

  • Duloxetine demonstrated potent cytotoxicity against both cell lines.
  • In vivo, duloxetine suppressed tumor growth, reduced proliferation (Ki-67), and increased cell adhesion (E-cadherin).
  • Duloxetine inhibited AKT/mTOR signaling, promoted autophagy, and induced apoptosis via Bax/Bcl-2 modulation.

Conclusions

  • Duloxetine exhibits significant anti-breast cancer activity through AKT/mTOR inhibition and apoptosis.
  • Duloxetine holds potential for therapeutic repurposing as an adjunct treatment for breast cancer, especially in patients with depression.

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