Key result
Suppressing IL-1β signaling, depleting macrophages, or scavenging mitochondrial ROS significantly ameliorated high-fat diet-induced diastolic dysfunction in mice.
Why the study?
Diabetes mellitus is a main risk factor for diastolic dysfunction and heart failure with preserved ejection fraction.
Does suppressing IL-1β signaling or depleting macrophages improve high-fat diet-induced diastolic dysfunction in mice?
Population
High-fat diet mice
Comparison
Suppressing IL-1beta signaling, depleting macrophages, or scavenging mitoROS vs untreated controls
Design
Preclinical animal study
Authors
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Hypothesis-generating for IL-1β-targeted therapy in HFpEF; leaves open translation from mouse models to human disease.
Does suppressing IL-1β signaling or depleting macrophages improve high-fat diet-induced diastolic dysfunction in mice?
Macrophage-mediated inflammation contributes to high-fat diet-associated diastolic dysfunction through IL-1β and mitochondrial ROS production, suggesting a potential therapeutic target for HFpEF.
Liu et al. (2022) studied Heart failure with preserved ejection fraction and diastolic dysfunction. Suppressing IL-1β signaling, depleting macrophages, or scavenging mitoROS vs. Control mice on high-fat diet was evaluated on Diastolic dysfunction. Suppressing IL-1β signaling, depleting macrophages, or scavenging mitochondrial ROS significantly ameliorated high-fat diet-induced diastolic dysfunction in mice.
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