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Copper Tripeptide-1, Glycyl-L-Histidyl-L-Lysine Copper, Prezatide Copper
A naturally occurring copper-binding tripeptide that promotes wound healing, collagen production, and anti-aging effects in skin and tissues.
Sever'yanova. L А LА; Dolgintsev. M E ME
A study in rats found that injecting the tripeptide Gly‑His‑Lys (GHK) reduced aggressive behavior triggered by pain. The calming effect appears to come mainly from the lysine part of the molecule.
Smakhtin. M Yu MY; Sever'yanova. L A LA; Konoplya. A I AI; Shveinov. I A IA
In an animal study, giving the tripeptide Gly‑His‑Lys (GHK) by injection several times boosted liver cell division and simultaneously lowered immune activity, but the work was done in rodents with high doses and a route (intraperitoneal injection) that isn’t practical for people.
Beretta. Giangiacomo G; Artali. Roberto R; Regazzoni. Luca L; Panigati. Monica M; Facino. Roberto Ma...
The study shows that the naturally occurring peptide GHK can bind and neutralize a harmful fat‑derived molecule called HNE, which is linked to aging‑related diseases, but it does so less effectively than the well‑known peptide carnosine. The researchers explain that GHK’s folded shape makes the reaction slower and less favorable.
Endo. T T; Miyagi. M M; Ujiie. A A
Researchers created a lab test to measure the peptide GHK and its breakdown product HK in rat blood. They gave rats a single IV dose of GHK and found that it quickly turns into HK, and both disappear from the bloodstream fast.
Pohunková. H H; Stehlík. J J; Váchal. J J; Cech. O O; Adam. M M
In rats and guinea pigs, a collagen gel that included the small peptide GHK (gly‑his‑lys) helped bone wounds heal faster than leaving the wound empty or using the gel without GHK. The most rapid healing was seen when the full formulation (Colladel) was used, and it also boosted bone growth around metal implants.
Wang. Feng F; Yu. Xiaolei X; Yu. Zhuo Z; Cui. Yi Y; Xu. Ling L; Huo. Shuhao S; Ding. Zhongyang Z; Zh...
Researchers found that adding the peptide‑copper complex GHK‑Cu to the growth medium of the fungus Trametes versicolor makes it produce a lot more of the enzyme laccase than using regular copper salts. The new method boosts enzyme levels by about 13‑fold and is safer because GHK‑Cu damages the fungal cells less.
Fouad. F M FM; Abd-El-Fattah. M M; Scherer. R R; Ruthenstroth-Bauer. G G
In a lab study using rat liver cells, researchers found that stress hormones (cortisol or dexamethasone) boost production of fibrinogen (a clotting protein) but lower albumin and certain lipoproteins. Insulin, on the other hand, generally shuts down the making of most plasma proteins except a few like complement and transferrin. When a tiny amount of the peptide GHK‑Cu (Gly‑His‑Lys) was added, it caused a modest rise in a few proteins such as alpha‑lipoprotein, alpha‑1‑macroglobulin, and haptoglobin.
Bishop. J B JB; Phillips. L G LG; Mustoe. T A TA; VanderZee. A J AJ; Wiersema. L L; Roach. D E DE; H...
In a study of 86 people with chronic leg ulcers, a cream containing silver sulfadiazine helped the wounds shrink, while a cream with the copper‑peptide GHK‑Cu performed no better than a plain placebo. The ulcers all had low bacterial counts, so the silver's antibiotic effect wasn't a factor; it likely helped skin cells grow.
An. Pengrong P; Zhang. Zixin Z; Yang. Jincan J; Wang. Tianming T; Wang. Zhuoyue Z; Sun. Chun-Lin CL;...
Scientists made a tiny chip that can spot unbelievably tiny amounts of copper ions in water by coating it with the GHK peptide. The chip changes its electric signal when copper binds to the GHK, letting it detect copper down to a quadrillionth of a mole. They showed it works in tap water and can be reset with EDTA.
Barnea. A A; Cho. G G
In a lab test with rat brain tissue, copper bound to certain amino acids (like histidine or cysteine) caused the release of a hormone called LHRH (the precursor to LH and FSH). The effect was dose‑dependent, needed a few minutes to happen, and could be stopped by a chemical that breaks copper‑protein bonds. This suggests copper in the blood might quickly trigger hormone release, but the study was done in isolated rat cells, not people.
Pickart. L L
The study shows that the tiny protein fragment GHK (called GHL in the paper) can speed up or slow down the growth of many cells in a dish, works best at very low amounts (10‑200 ng per milliliter), and seems to help move copper into cells.
Errick. J E JE; Ing. K W KW; Eggo. M C MC; Burrow. G N GN
In a lab study, human thyroid cells needed a tiny amount of serum to grow, and adding a mix of nutrients plus the peptide GHK‑Cu (glycyl‑histidyl‑lysine copper) boosted that growth. The strongest growth happened when epidermal growth factor (EGF) was also present, while thyroid‑stimulating hormone (TSH) helped the cells make more thyroid protein (thyroglobulin). The work shows how these factors control thyroid cell growth and specialization in a dish.
Godet. D D; Marie. P J PJ
The study looked at how a copper‑bound version of the tiny peptide GHK (GHK‑Cu) affects bone‑building cells. It found that GHK‑Cu helps these cells stick to surfaces, but it doesn’t make them spread out more and actually dampens two early signs of bone‑forming activity (alkaline phosphatase and osteocalcin). In short, the peptide improves cell attachment but may not boost bone‑building processes.
Raju. K S KS; Alessandri. G G; Gullino. P M PM
The study shows that when a substance that promotes new blood vessel growth is applied to a rabbit’s eye, it triggers the production of a protein mix that pulls blood‑vessel cells toward it. This mix needs two parts—a chemotactic factor and an activating factor—to work best, and it’s destroyed by heat or enzymes. The findings are basic science and don’t give direct instructions for using GHK‑Cu or other peptides in health protocols.
Landschulz. W W; Ekblom. P P
The study shows that a small iron‑binding molecule called FePIH can slip through cell membranes and deliver iron inside kidney cells, boosting their growth more effectively than many other iron carriers, including the natural protein transferrin. This works because FePIH is lipophilic, unlike most iron compounds that stay outside cells.
Gruchlik. Arkadiusz A; Chodurek. Ewa E; Dzierzewicz. Zofia Z
The study examinedÂ
Zetter. B R BR; Rasmussen. N N; Brown. L L
Researchers built a tiny implant that slowly releases chemicals and then catches the immune cells that are drawn to them. They showed that different chemicals pull in different cell types, and the peptide GHK (the core of GHK‑Cu) specifically attracted mast cells. The study is mostly about the testing method, not about how to use the peptide in people.
Zoughaib. Mohamed M; Luong. Duong D; Garifullin. Ruslan R; Gatina. Dilara Z DZ; Fedosimova. Svetlana...
Scientists put two short proteins (RGD and GHK) and copper ions into a special gel that mimics body tissue. When human blood‑vessel cells grew inside this gel, they multiplied faster, formed more blood‑vessel‑like structures, and released more healing signals. Adding copper to GHK made the effect even stronger.
Wang. Rui R; Xu. Yiru Y; Saiding. Qimanguli Q; Ling. Shifeng S; Yu. Jie J; Zhuang. Yaping Y; Cui. We...
Scientists built a special delivery system that puts copper (using the GHK‑Cu peptide) straight into the cell's Golgi area, which boosts copper‑dependent enzymes like LOX. In rabbits with damaged fascia, this raised LOX activity, improved collagen alignment, and grew new blood vessels, helping the tissue heal faster.
Rakhmetova. K K KK; Mishina. E S ES; Bobyntsev. I I II; Bezhin. A I AI; Vorvul. A O AO
In a rat study, injecting a tiny amount of the Gly‑His‑Lys‑D‑Ala peptide around a skin wound helped the healing process. It boosted cells that build new tissue, reduced inflammatory cells, and led to faster wound closure by day 30.