Key result
Dual ablation of integrin α11 and syndecan-4 attenuates afterload-induced cardiac hypertrophy and reduces matrix attachment.
Why the study?
Despite their putative importance in stress sensing, the specific integrin alpha-subunit(s) involved in cardiac hypertrophy had not been identified.
Population
Preclinical model of pressure-overloaded heart and cardiac cells
Comparison
Dual receptor ablation of alpha11 and syndecan-4 vs presence of receptors
Design
Preclinical experimental study
Authors
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Supports integrin α11/syndecan-4 as hypertrophy mediators; hypothesis-generating in animals and requires human validation before clinical consideration.
Integrin α1 and syndecan-4 are critical, interdependent mediators of the hypertrophic response to increased left ventricular afterload.
Romaine et al. (2022) studied Cardiac hypertrophy. Integrin α11β1 and syndecan-4 dual receptor ablation was evaluated on Cardiac hypertrophy and cell attachment to extracellular matrix components. Dual ablation of integrin α11 and syndecan-4 attenuates cardiac hypertrophy in response to increased left ventricular afterload and reduces cell attachment to extracellular matrix components.