Nuclear architecture aging refers to age-dependent alterations in nuclear shape, organization, and genome positioning. The nucleus organizes chromatin spatially to regulate gene expression and genome stability. Aging disrupts nuclear organization, leading to altered chromatin interactions and transcriptional dysregulation. Nuclear architecture aging affects DNA repair efficiency, cell cycle control, and stress responses. Structural changes in the nucleus contribute to cellular senescence and reduced adaptability. These alterations impair coordination between nuclear compartments and signaling pathways. Understanding nuclear architecture aging highlights how physical organization of the genome influences cellular aging.
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