Introduction
GHK-Cu is a naturally occurring copper-binding peptide that has been studied for several decades. First identified in human plasma, this tripeptide has since been widely researched for its role in cellular communication and tissue biology.
Copper Binding and Cellular Signaling
The defining feature of GHK-Cu is its strong affinity for copper ions. This binding capability allows the peptide to participate in various biochemical signaling processes, which has made it a popular compound in studies involving:
- Gene expression modulation
- Extracellular matrix organization
- Cellular turnover and repair pathways
Applications in Research Models
In laboratory environments, GHK-Cu has been investigated for its influence on:
- Collagen and elastin production models
- Antioxidant activity at the cellular level
- Inflammatory response modulation
Because of its naturally occurring origin, GHK-Cu is often used as a reference compound in peptide and copper-transport research.
Ongoing Scientific Interest
Despite its long research history, GHK-Cu continues to be studied as analytical techniques improve. New research tools have allowed scientists to further explore its molecular interactions and downstream signaling effects.
Conclusion
GHK-Cu remains one of the most extensively studied peptides in biochemical research. Its combination of copper binding and biological activity continues to make it relevant in modern laboratory investigations.