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Adequate protein intake provides amino acids for collagen synthesis
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GHK-Cu peptide continues to be studied in research settings focused on extracellular matrix signaling pathways, copper-dependent peptide interactions, and coordinated molecular response systems under controlled laboratory conditions
Cyclin dependent kinase inhibitor 1A (CDKN1A/p21), also known as p21 WAF 1/Cip1, is a key mediator of p53-dependent cell cycle arrest after DNA damage (Tarangelo et al., 2018)
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