Why the study?
Does permanent LAD ligation induce more severe cardiac dysfunction than ischemia-reperfusion in young healthy mice?
Does permanent LAD ligation induce more severe cardiac dysfunction than ischemia-reperfusion in young healthy mice?
Permanent LAD ligation causes more severe and irreversible cardiac dysfunction compared to ischemia-reperfusion in mice, informing the selection of preclinical heart failure models.
Supports permanent LAD ligation for severe irreversible HF models in mice; clinical translation remains untested.
A major new finding of this study is that permanent LAD ligation (PO) induces more severe and irreversible cardiac dysfunction than ischemia-reperfusion, as evidenced by vector-based speckle-tracking echocardiography, fibrosis, and lipid-mediated inflammatory remodeling. These findings provide mechanistic insight into model-specific differences, a novel method of infarct area quantitation, and inform the selection of preclinical heart failure models for inflammation-resolution signaling.
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Grilo et al. (2025) studied this question.
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