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and GHRP-2, a strong growth hormone secretagogue
A 2016 comparative study published in Nature Scientific Reports demonstrated that GHK-Cu produced no cytotoxicity to human keratinocytes at concentrations up to 5,800 micromolar over 72 hours and did not induce inflammatory biomarkers, unlike other copper compounds tested alongside it
Expression or overexpression of a particular group of proteins or receptors on the cell surface is one of the biological features of tumor cells [4,5,6]
Measure the optical density (OD value) of each well immediately using a microplate reader set to 450 nm
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