Key result
Mechanical unloading of failing hearts with an LVAD decreased average DNA content per cardiomyocyte compared to loaded failing hearts without increasing cell-cycle markers.
Why the study?
Does mechanical unloading reverse increases in DNA content in hypertrophied cardiomyocytes in heart failure?
Observational (n=25)
No
Does mechanical unloading reverse increases in DNA content in hypertrophied cardiomyocytes in heart failure?
Answers are grounded in this paper and cite their sources.
Mechanical unloading may reverse the increased DNA content associated with cardiomyocyte hypertrophy in heart failure.
Our data suggest that increases in DNA content that occur with cardiomyocyte hypertrophy in heart failure may reverse with mechanical unloading.
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Luo et al. (2023) conducted an observational in End-stage systolic heart failure (n=25). Left ventricular assist device (LVAD) unloading vs. Primary heart transplantation without LVAD (loaded) was evaluated on Average DNA content per cardiomyocyte (arbitrary units) (p=0.009). Mechanical unloading of failing hearts with an LVAD decreased average DNA content per cardiomyocyte compared to loaded failing hearts without increasing cell-cycle markers.
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