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Updated: Jul 1, 2026

A Doxorubicin-Induced Murine Model of Dilated Cardiomyopathy In Vivo
Published on: May 16, 2020
Autophagic therapeutic targeting for Doxorubicin-induced cardiomyopathy
1Department of Biochemistry, Faculty of Pharmacy, Tanta University, Tanta, 31527, Egypt. noha_hossam@pharm.tanta.edu.eg.
Abstract:
Autophagy has been extensively studied in a variety of pathologies, including neurological disorders, cancers, muscle diseases, aging, and cardiovascular diseases. Doxorubicin (Dox) is a potent anticancer drug widely used to treat various cancers. Despite its therapeutic benefits, it has cardiotoxic side effects, interfering with its clinical application. Dox-induced cardiomyopathy (DIC) is one of the most prominent and lethal side effects associated with the use of Dox. Numerous investigations have revealed that Dox administration impacts autophagy; however, the precise mechanism by which Dox modifies this process remains unclear, as the role of autophagy in heart tissue is controversial, ranging from being cytoprotective to cytotoxic. Various therapeutic interventions, including pharmacological drugs and natural products, have been reported to influence the autophagic flux in DIC. In this review, we explore the therapeutic potential of autophagy modulation in DIC, focusing on how various pharmacological drugs and natural products influence autophagy to mitigate cardiac damage. This review uniquely emphasizes the mechanistic role of autophagy in DIC and provides a comprehensive analysis of therapeutic interventions targeting autophagy as a strategy for cardioprotection.
Insights
Doxorubicin (Dox) chemotherapy causes heart damage (cardiomyopathy) by altering autophagy, a cellular process. This review explores how modulating autophagy with drugs or natural products may protect the heart from Dox-induced cardiomyopathy.
Area of Science:
- Cardiology
- Oncology
- Cell Biology
Background:
- Doxorubicin (Dox) is a vital anticancer drug but causes cardiotoxicity, leading to Dox-induced cardiomyopathy (DIC).
- The precise mechanisms by which Dox affects cellular autophagy in the heart remain unclear, with conflicting evidence on autophagy's role (cytoprotective vs. cytotoxic).
Purpose of the Study:
- To review the therapeutic potential of modulating autophagy in Dox-induced cardiomyopathy.
- To analyze how pharmacological drugs and natural products influence autophagic flux to mitigate cardiac damage.
Main Methods:
- Literature review focusing on studies investigating autophagy modulation in Dox-induced cardiomyopathy.
- Analysis of mechanistic roles of autophagy and therapeutic interventions targeting it.
Main Results:
- Autophagy is significantly impacted by Dox administration, but its specific role in DIC is complex and debated.
- Various interventions, including pharmacological agents and natural products, demonstrate potential in influencing autophagic flux to reduce cardiac damage.
Conclusions:
- Modulating autophagy presents a promising therapeutic strategy for cardioprotection against Dox-induced cardiotoxicity.
- Further research into the mechanistic role of autophagy in DIC is crucial for developing effective treatments.
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