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Typically, cells contain a spectrum of endogenous antioxidant enzymes, such as GSH, GPX, SOD, CAT, PRX, and Trx, which can directly scavenge dangerous ROS (hydroxyl radicals, peroxyl radicals, superoxides, and lipid peroxides) and maintain intracellular redox homeostasis [45, 46]

Transdermal estradiol had no effect

In the following sections, the various direct mechanisms of acrolein toxicity such as protein and DNA adduction, and indirect mechanisms including induction of oxidative, mitochondrial, and ER stress, are critically discussed with possible connection to affected organs and pathological conditions

Telomerase, an enzyme complex containing both protein and RNA components, can add nucleotide sequences back to telomeres, potentially extending cellular lifespan