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This mechanism explains why peptides can have such targeted, tissue-specific effects a property that makes them exceptionally valuable in research settings

Skin and collagen research GHK-Cu is commonly studied for its role in collagen-related and skin-focused research environments, making it relevant for studies involving cellular response and tissue-related pathways

Collagen peptides are widely available as dietary supplements

Preliminary animal research suggests that DSIP levels may influence stress and withdrawal responses by interacting with opioid receptors and potentially modulating opiate receptors

Non-migrated cells were removed from the upper membrane surface using a cotton swab

For histopathological evaluation, skin specimens were collected on Days 7, 14, and 21 using 4-millimeter punch biopsy instruments from different corners of the left-side wound of each rabbit, immediately after planimetry