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Fibrotic Rewiring of CD8+ T-cells by Doxorubicin Drives Pathological Remodeling of Cardiac Extracellular Matrix | JACC: CardioOncology
Dr. Caitlin O'Meara discusses a JACC: CardioOncology study showing that doxorubicin reprograms CD8+ T cells into matrix-remodeling T cells (mxT-cells) that produce lysyl oxidase (LOX) and stiffen the cardiac extracellular matrix through HIF1α-P53-TGFβ signaling. She explains how this new immune mechanism of anthracycline cardiotoxicity could lead to therapies that prevent cardiac fibrosis, cardiomyopathy, and heart failure in patients treated with chemotherapy.
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