Why the study?
Does beta-adrenergic receptor subtype deletion alter doxorubicin-induced acute cardiotoxicity in mice?
Does beta-adrenergic receptor subtype deletion alter doxorubicin-induced acute cardiotoxicity in mice?
Beta2-adrenergic receptors play a cardioprotective role against doxorubicin-induced cardiomyopathy, while beta1-receptors mediate acute cardiotoxicity, suggesting differential roles for beta-receptor subtypes in vivo.
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Beta2 deletion precipitates acute doxorubicin lethality in mice; leaves open whether subtype-selective beta-blockade merits clinical investigation.
Bernstein et al. (2005) studied this question.
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