What was studied?
Researchers investigated cultured dermal fibroblasts and measured MMP-2 in conditioned media, messenger RNA and tissue inhibitors of metalloproteinases. They compared the complex with copper ions and GHK without bound copper.
What did the researchers report?
GHK-Cu increased MMP-2-related measurements and secretion of TIMP-1 and TIMP-2. Copper ions reproduced part of the response, whereas GHK alone did not. The results suggest that matrix turnover and copper chemistry are important to the observed pattern.
What are the limits?
More of a remodeling enzyme is not automatically beneficial tissue repair. These were cell-culture measurements, not clinical outcomes. The differences between copper-bound and unbound peptide also caution against assigning the same properties to chemically different materials.
Original editorial summary by Sulan Peptide. Based on the source abstract; consult the full paper for methods, analyses, funding and disclosures.