Title : Doxorubicin-induced cardiotoxicity involves IFNγ-mediated metabolic reprogramming in cardiomyocytes.

Pub. Date : 2019 Mar

PMID : 30426505






12 Functional Relationships(s)
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1 Doxorubicin-induced cardiotoxicity involves IFNgamma-mediated metabolic reprogramming in cardiomyocytes. Doxorubicin interferon gamma Mus musculus
2 However, it is still not clear how the key inflammatory mediator interferon-gamma (IFNgamma) plays a role in doxorubicin (DOX)-induced cardiomyopathy. Doxorubicin interferon gamma Mus musculus
3 However, it is still not clear how the key inflammatory mediator interferon-gamma (IFNgamma) plays a role in doxorubicin (DOX)-induced cardiomyopathy. Doxorubicin interferon gamma Mus musculus
4 However, it is still not clear how the key inflammatory mediator interferon-gamma (IFNgamma) plays a role in doxorubicin (DOX)-induced cardiomyopathy. Doxorubicin interferon gamma Mus musculus
5 However, it is still not clear how the key inflammatory mediator interferon-gamma (IFNgamma) plays a role in doxorubicin (DOX)-induced cardiomyopathy. Doxorubicin interferon gamma Mus musculus
6 We report here that DOX-induced heart dysfunction involves IFNgamma signaling in mice. Doxorubicin interferon gamma Mus musculus
7 In vitro, IFNgamma strongly aggravated the injury of cardiomyocytes exposed to DOX. Doxorubicin interferon gamma Mus musculus
8 Although not affecting DOX-induced cell death, IFNgamma disrupted mitochondrial respiration and fatty acid oxidation in DOX-exposed cardiomyocytes. Doxorubicin interferon gamma Mus musculus
9 IFNgamma extended the suppression of the AMP-activated protein kinase (AMPK)/acetyl-CoA carboxylase (ACC) axis by DOX to a p38-dependent branch. Doxorubicin interferon gamma Mus musculus
10 Activation of AMPK or inhibition of p38 inhibited the enhancing effect of IFNgamma on the DOX-induced cardiotoxicity and prolonged the survival time in DOX-treated mice. Doxorubicin interferon gamma Mus musculus
11 Activation of AMPK or inhibition of p38 inhibited the enhancing effect of IFNgamma on the DOX-induced cardiotoxicity and prolonged the survival time in DOX-treated mice. Doxorubicin interferon gamma Mus musculus
12 Taken together, our results indicate that reprogramming of cardiac metabolism by IFNgamma represents a previously unidentified key step for DOX-induced cardiomyopathy. Doxorubicin interferon gamma Mus musculus