Doxorubicin induces a pro-inflammatory cytokine response in human coronary artery endothelial cells in vitro, which may contribute to its cardiovascular toxicity.
Suggests endothelial inflammation may mediate doxorubicin cardiotoxicity; leaves open whether cytokine modulation improves cardiac outcomes.
The cytokine profile of primary coronary artery endothelial cells cultivated in the presence of doxorubicin (2 μg/ml and 6 μg/ml) was evaluated using enzyme-linked immunosorbent assay and qPCR. Cultivation of cells in the presence of these concentrations of doxorubicin for 24 h, upregulated expression of the following genes: IL6 (by 2.30 and 2.66 times, respectively), IL1B (by 1.25 and 3.44 times), and CXCL8 (by 6.47 times and 6.42 times), MIF (2.34 and 2.28 times), CCL2 (4.22 and 3.98 times). Under these conditions the following genes were downregulated: IL10, IL1R2, TNF. Cultivation of cells in the presence of doxorubicin (2 μg/ml and 6 μg/ml) for 24 h also increased the secretion of IL-6.
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Sinitskaya et al. (2024) studied this question.
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