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Because studies have evaluated GHK-Cu across multiple cell types (including fibroblasts and keratinocytes) and in preclinical models, it is commonly used to support mechanistic work on aging-related tissue changes, repair biology, and copper homeostasisstrictly within controlled research designs

Its expression has been linked to the capacity of breast cancer cells to control their redox state by promoting the accumulation of reduced glutathione, thereby decreasing ROS levels and increasing cell survival (Table 1)

The free tripeptide GHK has a high affinity for divalent copper ions and exists in human plasma predominantly as the GHK-Cu complex

These actions improve the chloride ion currents mediated by GABA (Herrero et al., 2002)

The initial clinical studies on fisetin, and others, will be critical to inform the field on the safe use of natural compounds as senolytic therapies

After sugar depletion in the initial medium containing 4% (v/v) molasses and 5% (v/v) CSL, a feeding solution of 50% (v/v) molasses and 25% (v/v) CSL was continuously added to the bioreactor