Key result
Aortic banding in middle-aged rats produced similar but quantitatively less severe mechanical property alterations compared to senescence-induced hypertrophy.
Why the study?
Does experimental hypertrophy induced by aortic banding mimic the mechanical property alterations seen in senescent hypertrophied rat hearts?
Population
Rat model of aging (young, middle-aged, and senescent rats)
Comparison
Experimental cardiac hypertrophy produced by… vs Senescent rats and normal middle-aged/young rats
Design
Preclinical
Authors
Loading...
Senescence-related myocardial changes in rats may involve factors beyond hypertrophy; leaves open mechanisms of age-related cardiac dysfunction.
Does experimental hypertrophy induced by aortic banding mimic the mechanical property alterations seen in senescent hypertrophied rat hearts?
Mechanical property alterations in the senescent heart are only partially explained by the underlying hypertrophy, as experimental mechanical loading does not fully replicate senescent changes.
Yin et al. (1980) studied Cardiac hypertrophy. Aortic banding vs. Senescent and middle-aged rats was evaluated on Mechanical properties of myocardium (contraction duration and active stiffness-tension line slope). Aortic banding in middle-aged rats produced similar but quantitatively less severe mechanical property alterations compared to senescence-induced hypertrophy.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: