Key result
Dexrazoxane (10 micromol/L) prevented apoptosis in rat cardiac myocytes induced by daunorubicin (<=1 micromol/L), but not necrosis induced by higher concentrations (>=10 micromol/L).
Why the study?
Does dexrazoxane prevent daunorubicin-induced apoptosis in rat cardiac myocytes?
Does dexrazoxane prevent daunorubicin-induced apoptosis in rat cardiac myocytes?
Dexrazoxane prevents daunorubicin-induced apoptosis in rat cardiac myocytes, suggesting its clinical utility in limiting anthracycline cardiotoxicity may be mediated by preventing superoxide anion-induced apoptosis.
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Hypothesis-generating for dose-specific anthracycline protection in myocytes; leaves open clinical translation in humans.
Sawyer et al. (1999) studied Anthracycline-induced cardiac toxicity. Dexrazoxane was evaluated on Myocyte programmed cell death (apoptosis) and necrosis. Dexrazoxane (10 micromol/L) prevented apoptosis in rat cardiac myocytes induced by daunorubicin (<=1 micromol/L), but not necrosis induced by higher concentrations (>=10 micromol/L).
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