Evolution of Theories on Doxorubicin-Induced Late Cardiotoxicity-Role of Topoisomerase
2024

Understanding Doxorubicin-Induced Heart Damage

publication Evidence: moderate

Author Information

Author(s): Szponar Jaroslaw, Ciechanski Erwin, Ciechanska Magda, Dudka Jaroslaw, Mandziuk Sławomir

Primary Institution: Medical University of Lublin

Hypothesis

Can the theory of DOX-induced late cardiotoxicity be explained based on a Top2β-related mechanism?

Conclusion

The study suggests that both oxidative stress and Top2β mechanisms contribute to late cardiotoxicity from doxorubicin.

Supporting Evidence

  • Doxorubicin can cause heart damage that appears long after treatment ends.
  • Oxidative stress and Top2β are both important in understanding how doxorubicin affects the heart.
  • Dexrazoxane is the only FDA-approved drug to help prevent heart damage from doxorubicin.

Takeaway

Doxorubicin can hurt the heart long after treatment ends, and scientists are trying to understand how this happens, especially looking at a protein called Top2β.

Methodology

The review discusses various mechanisms of doxorubicin-induced cardiotoxicity, focusing on oxidative stress and the role of Top2β.

Limitations

The review is based on existing literature and may not cover all recent findings.

Digital Object Identifier (DOI)

10.3390/ijms252413567

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