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Cellular Oxidative Stress Defense

Meaning

Cellular Oxidative Stress Defense refers to the integrated and redundant network of both enzymatic and non-enzymatic systems within a cell responsible for effectively neutralizing reactive oxygen species (ROS) and preventing subsequent molecular damage to cellular macromolecules. This intrinsic defense mechanism is absolutely critical for maintaining genomic stability and ensuring optimal mitochondrial function against the continuous, inevitable production of free radicals generated from normal metabolic processes. A robust defense capacity is considered a hallmark of profound cellular resilience and a key, modifiable factor in mitigating the trajectory of age-related dysfunction.