ArticleCells2026
Bone Regeneration Drug BMP-7 Mitigates Ponatinib-Induced Cardiotoxicity via Inhibition of Pyroptosis and Modulation of TGF-β/SMAD Signaling Pathway.
Article in Cells, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundPonatinib (PON), an effective tyrosine kinase inhibitor for leukemias harboring the T315I mutation, is limited by severe cardiotoxicity, including myocardial infarction and heart failure. Here, we investigated the therapeutic potential of Bone Morphogenetic Protein-7 (BMP-7), an anti-inflammatory growth factor, in a murine model of PON-induced cardiotoxicity.
methodsC57BL/6J mice were distributed into experimental groups receiving PON (25 mg/kg cumulative dose) either alone or with BMP-7 (600 μg/kg cumulative dose), along with a corresponding control group. Cardiac analyses included molecular and histological assessments.
resultsPON administration induced a marked increase in monocyte infiltration and M1 macrophage polarization. These inflammatory events led to the upregulation of the pyroptotic cascade, leading to activation of the TGF-β1/SMAD2/3 signaling axis. In contrast, BMP-7 significantly attenuated these pathological responses by suppressing inflammation-induced pyroptosis and the TGF-β1/SMAD2/3 signaling axis.
conclusionsThese findings identify inflammation-induced pyroptosis as a central driver of the pathological changes in PON-induced cardiotoxicity. Notably, our work highlights BMP-7's capacity to inhibit these disease-related alterations. Collectively, these results expand on the current knowledge of the mechanistic framework of PON-induced cardiotoxicity, while also emphasizing BMP-7 as a promising therapeutic candidate with potential translational relevance.
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