Molecular Mechanisms of Doxorubicin-induced Cardiomyopathy
Population
Neonatal rat cardiomyocytes and fibroblasts
Comparison
Doxorubicin or daunomycin vs Control (untreated) cardiomyocytes and fibroblasts
Design
Preclinical
Follow-up
up to 48 hours
Authors
Discussion
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Member takes
Implication
Hypothesis-generating for anthracycline cardiotoxicity via early energy transcript suppression; human validation required before clinical relevance.
Structured PICO
P
Population
Neonatal rat cardiomyocytes and fibroblasts
I
Intervention
Doxorubicin or daunomycin
C
Comparator
Control (untreated) cardiomyocytes and fibroblasts
O
Outcome
mRNA levels of energy production enzymes and intracellular ATP levelssurrogate
Doxorubicin and daunomycin selectively suppress transcripts for key energy production enzymes in cardiomyocytes, leading to ATP depletion and potentially explaining their cardiotoxic effects.
Cite This Study
Jeyaseelan et al. (1997) studied this question.