Why the study?
Doxorubicin cardiotoxicity is linked to mitochondrial damage, but whether unchecked mitochondrial fission and mitophagy compromise cardiomyocyte viability and cause cell death remained unverified.
Does DRP1 or parkin knockdown prevent doxorubicin-induced cardiomyocyte death in preclinical models?
Population
Dox-treated H9c2 cardiac myoblast cells and DRP1-deficient mice
Comparison
DRP1 knockdown or parkin modulation vs controls in Dox-treated models
Design
Preclinical in vitro and in vivo mechanistic study
Authors
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DRP1 and parkin modulation may mitigate doxorubicin cardiotoxicity in mice; hypothesis-generating for human cardioprotection.
Does DRP1 or parkin knockdown prevent doxorubicin-induced cardiomyocyte death in preclinical models?
Doxorubicin-induced cardiomyocyte death is mediated by unchecked mitochondrial fission and mitophagy, identifying potential therapeutic targets for preventing doxorubicin cardiotoxicity.
Catanzaro et al. (2019) studied this question.
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