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Cellular Self-Repair Mechanisms

Meaning

These are the intrinsic biological processes within cells responsible for detecting, mitigating, and reversing molecular damage caused by endogenous and exogenous stressors, thereby maintaining cellular homeostasis and viability. These sophisticated systems are crucial for tissue renewal and preventing the accumulation of damage that drives cellular senescence and organismal aging. Examples include DNA repair pathways, protein quality control via the ubiquitin-proteasome system, and organelle turnover through autophagy.