Nuclear remodeling drives age-related cardiac dysfunction
NATURE AGING(2023)
摘要
We found that aging is accompanied by a reduction in cardiomyocyte nuclear size and increased stiffness, dependent on loss of A-type lamins. Mechanistically, age-dependent nuclear remodeling represses expression of cardiogenic transcription factors that are required for heart contractility. Preserving lamin or transcription factors delays cardiac decline.
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