Chromatin remodeling aging refers to age-related changes in chromatin structure that alter gene accessibility and regulation. Chromatin remodeling controls how DNA is packaged and how genes are expressed. With aging, remodeling processes become dysregulated, leading to altered transcriptional programs and reduced cellular identity fidelity. Chromatin remodeling aging contributes to loss of tissue-specific gene expression, increased transcriptional noise, and impaired stress responses. These changes are driven by accumulated damage, epigenetic drift, and metabolic imbalance. Altered chromatin remodeling affects stem cell function and cellular plasticity. Understanding chromatin remodeling aging provides insight into how epigenetic regulation deteriorates over time.
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