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Research shows that in senescent cells, p53 levels are maintained low through ubiquitination while its pro-apoptotic activity is repressed through nuclear segregation by FOXO4. The peptide's competitive inhibition restores p53 activity by promoting nuclear exclusion, allowing p53 to execute its pro-apoptotic program and eliminate senescent cells through targeted pathway activation
However, they dont deliver the same level of consistent, cellular change as prescription retinols
GHK-Cu (glycyl-L-histidyl-L-lysine copper complex) is studied for collagen and elastin remodeling and skin repair
23:63586364.10.1021/la063419x 57 HumenikM.PreiT.GdrichS.PapastavrouG.ScheibelT
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