Pharmacological reactivation of autophagic flux by natural compounds or synthetic cell-permeable peptide prevents doxorubicin-induced cardiomyopathy - Summary - MDSpire

Pharmacological reactivation of autophagic flux by natural compounds or synthetic cell-permeable peptide prevents doxorubicin-induced cardiomyopathy

  • By

  • Leonardo Schirone

  • Daniele Vecchio

  • Valentina Valenti

  • Vittorio Picchio

  • Sonia Schiavon

  • Luca D’Ambrosio

  • Flavio di Nonno

  • Selenia Miglietta

  • Michela Relucenti

  • Luca Madaro

  • Silvia Palmerio

  • Claudia Cozzolino

  • Margherita Litterio

  • Gianmarco Sarto

  • Beatrice Simeone

  • Nicola Moro

  • Shazia Tahir

  • Tania Zaglia

  • Giuseppe Biondi Zoccai

  • Elena De Falco

  • Vincenzo Petrozza

  • Ernesto Greco

  • Giacomo Frati

  • Maurizio Forte

  • Sebastiano Sciarretta

  • March 29, 2026

  • 0 min

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Objective:

To investigate the effects of trehalose (TRE), spermidine (SP), and Tat-Beclin 1 D11 on cardiac function (e.g., ejection fraction, fractional shortening) and mitochondrial damage in a murine model of doxorubicin (DOX)-induced cardiomyopathy.

Key Findings:
  • TRE and SP significantly improved cardiac function and reduced mitochondrial damage in DOX-treated mice, with TRE showing the most pronounced effects.
  • Tat-Beclin 1 D11 effectively activated autophagy and mitigated cardiac injury, suggesting a novel therapeutic avenue.
  • No significant interference with the antitumor activity of DOX was observed with TRE, SP, or Tat-Beclin 1 D11, indicating their potential for concurrent use.
Interpretation:

The study suggests that enhancing autophagic activity through natural and synthetic agents can protect against DOX-induced cardiomyopathy without compromising the drug's anticancer efficacy, which may have important implications for cancer treatment strategies.

Limitations:
  • Findings are based on murine models, which may not fully translate to human physiology, and variability in human responses to treatments remains a concern.
  • Long-term effects and safety of treatments in humans remain to be established.
Conclusion:

Pharmacological activation of autophagy using TRE, SP, and Tat-Beclin 1 D11 presents a promising strategy to mitigate DOX-induced cardiotoxicity in cancer patients.

Original Source(s)

Pharmacological reactivation of autophagic flux by natural compounds or synthetic cell-permeable peptide prevents doxorubicin-induced cardiomyopathy

  • by Leonardo Schirone, Daniele Vecchio, Valentina Valenti, Vittorio Picchio, Sonia Schiavon, Luca D’Ambrosio, Flavio di Nonno, Selenia Miglietta, Michela Relucenti, Luca Madaro, Silvia Palmerio, Claudia Cozzolino, Margherita Litterio, Gianmarco Sarto, Beatrice Simeone, Nicola Moro, Shazia Tahir, Tania Zaglia, Giuseppe Biondi Zoccai, Elena De Falco, Vincenzo Petrozza, Ernesto Greco, Giacomo Frati, Maurizio Forte, Sebastiano Sciarretta

  • March 29, 2026

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