Viral claim says GHK Cu reset nearly 4,000 genes to a younger state and increased collagen production in a preclinical study. This refers to research on GHK Cu, a naturally occurring copper binding peptide that Ubiquitin Proteasome System Targeting for Cancer Nurix and Celgene Cancer Biology Frontiers The Ubiquitin Proteasome System and Nutrient Stress Response The ubiquitinproteasome system (UPS) and proteolysis targeting chimera Download Scientific Diagram Full article: The exploitation of host autophagy and ubiquitin machinery by Mycobacterium tuberculosis in shaping immune responses and host defense during infection