{"product_id":"ghk-cu","title":"GHK-Cu","description":"\u003cdiv class=\"kbpb-section\" id=\"section-what-is-ghk-cu\"\u003e\n\u003ch2 class=\"kbpb-section-title\"\u003eWhat is GHK-Cu?\u003c\/h2\u003e\n\u003cdiv class=\"kbpb-section-content\"\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eGHK-Cu (Glycyl-L-Histidyl-L-Lysine-Copper) is a naturally occurring copper complex of the tripeptide GHK, present in human plasma, saliva, and urine. First identified in 1973 by researcher Loren Pickart, GHK-Cu emerged from observations that blood plasma from younger individuals could cause older liver tissue to synthesize proteins in patterns characteristic of younger tissue. This discovery revealed GHK as a critical signaling molecule with high affinity for copper(II) ions, forming a stable complex essential for numerous biological functions.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe peptide consists of three amino acids—glycine, histidine, and lysine—arranged in a specific sequence that enables strong copper binding (log K = 16.44). In the GHK-Cu complex, the copper ion coordinates with multiple binding sites: the nitrogen from the histidine imidazole side chain, the alpha-amino group of glycine, the deprotonated amide nitrogen of the glycine-histidine peptide bond, and oxygen from the lysine carboxyl group, forming a square-planar pyramid configuration. This unique structure allows GHK-Cu to function both as a copper delivery system and as a signaling molecule capable of modulating cellular activities.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eGHK-Cu's mechanism of action extends far beyond simple copper transport. Recent gene profiling studies using the Broad Institute's Connectivity Map have revealed that GHK modulates expression of approximately 31.2% of human genes, with 59% being upregulated and 41% downregulated. This extensive gene modulation appears to reset gene expression patterns toward healthier, more youthful states. The peptide affects genes involved in tissue remodeling, antioxidant defense, DNA repair, inflammation control, and cellular stress responses.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe small molecular size of GHK (approximately 340 Da) enables rapid diffusion through extracellular spaces and efficient access to cellular receptors. The GHK sequence itself is naturally present in collagen and SPARC (Secreted Protein Acidic and Rich in Cysteine) protein, suggesting it functions as an emergency response molecule released during tissue injury through protein breakdown. This endogenous release mechanism positions GHK-Cu as a natural damage signal that initiates repair cascades.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003ePlasma concentrations of GHK demonstrate significant age-related decline, dropping from approximately 200 ng\/mL (10⁻⁷ M) at age 20 to roughly 80 ng\/mL by age 60. This 60% reduction coincides with observable decreases in regenerative capacity, wound healing efficiency, and overall tissue maintenance. The age-dependent decline of GHK-Cu levels provides a compelling rationale for supplementation as a strategy to restore regenerative functions diminished during aging.\u003c\/p\u003e\n \n\u003ch4\u003eChemical Identity\u003c\/h4\u003e\nThe compound is characterized by its unique molecular structure and specific chemical properties that make it valuable for research applications.\n\u003cdiv class=\"pac-collapsible-section\"\u003e\n\u003cbutton class=\"pac-toggle-btn\" type=\"button\"\u003e\u003cspan class=\"toggle-text\"\u003eShow IUPAC Name\u003c\/span\u003e\u003cspan class=\"toggle-icon\"\u003e▼\u003c\/span\u003e\u003c\/button\u003e\n\u003cdiv class=\"pac-collapsible-content\"\u003e\n\u003cstrong\u003eSystematic IUPAC Name:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecopper (2S)-6-amino-2-[[(2S)-2-[(2-aminoacetyl)amino]-3-(1H-imidazol-5-yl)propanoyl]amino]hexanoate\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003ePurity \u0026amp; Quality\u003c\/h4\u003e\nOur GHK-Cu is provided at research-grade purity, suitable for laboratory applications and experimental protocols. Each batch undergoes quality control testing to ensure consistency and reliability for your research needs.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis product is intended for research purposes only and is not for human or veterinary use. It is sold for laboratory and scientific investigation only.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kbpb-section\" id=\"section-ghk-cu-structure\"\u003e\n\u003ch2 class=\"kbpb-section-title\"\u003eGHK-Cu Structure\u003c\/h2\u003e\n\u003cdiv class=\"kbpb-section-content\"\u003e \n\u003cdiv class=\"peptide-structure-content\"\u003e\n\u003ch3\u003eChemical Structure\u003c\/h3\u003e\n\u003cdiv class=\"structure-images\"\u003e\n\u003cdiv class=\"structure-2d\"\u003e\n\u003ch4\u003e2D Structure\u003c\/h4\u003e\n\u003cimg class=\"peptide-structure-image\" src=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/image\/imgsrv.fcgi?cid=71587328\u0026amp;t=l\" alt=\"GHK-Cu 2D Structure\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"structure-3d\"\u003e\n\u003ch4\u003e3D Structure\u003c\/h4\u003e\n\u003cimg class=\"peptide-structure-image\" src=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/image\/imgsrv.fcgi?cid=71587328\u0026amp;t=l\u0026amp;3d=true\" alt=\"GHK-Cu 3D Structure\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"chemical-properties\"\u003e\n\u003ch3\u003eChemical Properties\u003c\/h3\u003e\n\u003ctable class=\"peptide-properties-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCAS Number\u003c\/th\u003e\n\u003ctd\u003e89030-95-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMolecular Formula\u003c\/th\u003e\n\u003ctd\u003eC14H23CuN6O4+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMolecular Weight\u003c\/th\u003e\n\u003ctd\u003e402.92 g\/mol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"iupac-row\"\u003e\n\u003cth\u003eIUPAC Name\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv class=\"iupac-collapsible\"\u003e\n\u003cbutton class=\"iupac-toggle-btn\" type=\"button\"\u003e\u003cspan class=\"toggle-text\"\u003eShow IUPAC Name\u003c\/span\u003e\u003cspan class=\"toggle-icon\"\u003e▼\u003c\/span\u003e\u003c\/button\u003e\n\u003cdiv class=\"iupac-content\"\u003ecopper (2S)-6-amino-2-[[(2S)-2-[(2-aminoacetyl)amino]-3-(1H-imidazol-5-yl)propanoyl]amino]hexanoate\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInChIKey\u003c\/th\u003e\n\u003ctd\u003e\u003ccode\u003eNZWIFMYRRCMYMN-ACMTZBLWSA-M\u003c\/code\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"pubchem-link\"\u003e\u003ca href=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/compound\/71587328\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eView full compound data on PubChem →\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kbpb-section\" id=\"section-ghk-cu-research\"\u003e\n\u003ch2 class=\"kbpb-section-title\"\u003eGHK-Cu Research\u003c\/h2\u003e\n\u003cdiv class=\"kbpb-section-content\"\u003e\n\u003cdiv class=\"peptide-research-content\"\u003e\n\u003cdiv class=\"research-articles\"\u003e\n\u003cdiv class=\"research-article\"\u003e\n\u003cdiv class=\"article-citation\"\u003e\n\u003ch3 class=\"font-claude-response-subheading text-text-100 mt-1 -mb-1.5\"\u003eResearch Applications\u003c\/h3\u003e\n\u003ch4 class=\"font-claude-response-body-bold text-text-100 mt-1\"\u003eWound Healing and Tissue Repair\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eGHK-Cu demonstrates profound wound healing capabilities through multiple coordinated mechanisms. Animal studies have extensively documented accelerated wound closure rates, with research showing that GHK-Cu treatment reduces healing time by 30-50% compared to controls across various wound types. In rabbit experimental wounds, GHK-Cu application improved wound contraction and formation of granular tissue while elevating antioxidant enzyme activity and stimulating blood vessel growth. Collagen dressings incorporating GHK-Cu accelerated healing in both healthy and diabetic rats, with diabetic models showing particularly impressive results given the typically impaired healing in these subjects.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eResearch on ischemic wounds in rats revealed that GHK-Cu treatment resulted in 64.5% wound size reduction compared to 28.2% in untreated controls over a 13-day period. This healing acceleration was accompanied by decreased concentrations of metalloproteinases 2 and 9 and reduced levels of tumor necrosis factor-beta, indicating improved tissue remodeling with reduced inflammation. The peptide's ability to function systemically is particularly noteworthy—GHK-Cu injected in one body area (such as thigh muscles) has been shown to improve healing at distant sites (such as ears), demonstrating whole-body regenerative effects.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eAt the cellular level, GHK-Cu stimulates production of essential extracellular matrix components including collagen, elastin, glycosaminoglycans, and decorin—a small proteoglycan involved in regulating collagen synthesis and wound healing. The peptide also modulates the activity of both metalloproteinases (which break down damaged proteins) and their inhibitors (TIMPs), suggesting a sophisticated regulatory role that balances tissue synthesis with appropriate remodeling. Research in burn models shows GHK-Cu increases healing rates by up to 33%, partly through enhanced angiogenesis that helps burned tissue regrow blood vessels despite cauterization effects.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eStudies using GHK-Cu-liposomes in scald wound models demonstrate enhanced cell proliferation with a 33.1% increased rate in human umbilical vein endothelial cells. Flow cytometry analysis revealed optimized cell cycle progression, with increased cells at G1 stage and decreased cells at G2 stage following GHK-Cu-liposomes treatment. Immunofluorescence analysis showed enhanced signals for CD31 and Ki67 markers, indicating improved angiogenesis and cellular proliferation. The formulation shortened wound healing time to 14 days post-injury, providing evidence for GHK-Cu's utility in acute burn treatment.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003e\u003cstrong\u003eSources:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-2.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePickart L, Margolina A. Regenerative and protective actions of the GHK-Cu peptide in the light of the new gene data. Int J Mol Sci. 2018;19(7):1987.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6073405\/\"\u003ehttps:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6073405\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eMiller DM, et al. GHK-Cu-liposomes accelerate scald wound healing in mice by promoting cell proliferation and angiogenesis. Wound Repair Regen. 2017;25(2):270-278.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28370978\/\"\u003ehttps:\/\/pubmed.ncbi.nlm.nih.gov\/28370978\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eLiu T, et al. Food-derived tripeptide-copper self-healing hydrogel for infected wound healing. Biomaterials Res. 2025;29:0139.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/spj.science.org\/doi\/10.34133\/bmr.0139\"\u003ehttps:\/\/spj.science.org\/doi\/10.34133\/bmr.0139\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"font-claude-response-body-bold text-text-100 mt-1\"\u003eSkin Regeneration and Anti-Aging\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eGHK-Cu produces measurable improvements in skin quality through multiple pathways affecting collagen synthesis, elastic fiber formation, and dermal remodeling. At picomolar to nanomolar concentrations, GHK-Cu stimulates collagen synthesis in skin fibroblasts while increasing accumulation of total proteins, glycosaminoglycans, and DNA in dermal tissues. Human adult dermal fibroblasts incubated with GHK-Cu at concentrations of 0.01, 1, and 100 nM demonstrated increased production of both elastin and collagen, with all concentrations increasing TIMP1 expression and low concentrations enhancing MMP1 and MMP2 gene expression.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eClinical trials provide compelling evidence of GHK-Cu's anti-aging efficacy. In a randomized, double-blind trial, female volunteers applied GHK-Cu encapsulated in nano-lipid carrier twice daily for 8 weeks. Compared to the commercially available peptide Matrixyl 3000, GHK-Cu produced a 31.6% reduction in wrinkle volume. Compared to control serum, GHK-Cu reduced wrinkle volume by 55.8% and wrinkle depth by 32.8%. Another clinical study of 71 women with mild to advanced signs of photoaging who applied GHK-Cu facial cream daily for 12 weeks showed increased skin density and thickness while reducing sagging and the appearance of fine lines and wrinkles.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eResearch examining GHK-Cu eye cream application in 41 women with mild to advanced photodamage over three months demonstrated reduced lines and wrinkles, improved skin density, and increased skin thickness superior to both placebo and vitamin K cream. Studies using immunohistological techniques on skin biopsy samples confirmed that GHK-Cu application increases collagen production by up to 70% in treated areas, with simultaneous improvements in skin hydration and elastin synthesis.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eGHK-Cu's effects on skin fibroblasts extend beyond simple matrix production. The peptide combined with LED irradiation (625-635 nm) increased cell viability 12.5-fold, basic fibroblast growth factor production by 230%, and collagen synthesis by 70% compared to LED irradiation alone. GHK-Cu also stimulates epidermal basal cells, markedly increasing integrins and p63 expression while promoting more cuboidal cell shapes indicative of enhanced stemness properties. This stem cell activation suggests GHK-Cu may help maintain the regenerative capacity of skin tissue.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe peptide demonstrates particular effectiveness in photo-damaged skin, reducing hyperpigmentation and UV-induced damage while improving overall skin texture and firmness. GHK-Cu's ability to restore replicative vitality to irradiated fibroblasts indicates protective effects against radiation damage, with implications for post-procedure recovery following laser treatments, chemical peels, and other aesthetic interventions. Studies using the Broad Institute's Connectivity Map found that GHK significantly increased expression of DNA repair genes with 47 genes stimulated and 5 genes suppressed, providing a mechanism for cellular recovery from various forms of damage.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003e\u003cstrong\u003eSources:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-2.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePickart L, Vasquez-Soltero JM, Margolina A. GHK peptide as a natural modulator of multiple cellular pathways in skin regeneration. Biomed Res Int. 2015;2015:648108.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4508379\/\"\u003ehttps:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4508379\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePickart L, Margolina A. Regenerative and protective actions of the GHK-Cu peptide in the light of the new gene data. Int J Mol Sci. 2018;19(7):1987.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6073405\/\"\u003ehttps:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6073405\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eHsiao D, et al. In vitro and in vivo studies of pH-sensitive GHK-Cu-incorporated polyaspartic and polyacrylic acid superabsorbent polymer. ACS Omega. 2019;4(7):12265-12273.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/acsomega.9b00655\"\u003ehttps:\/\/pubs.acs.org\/doi\/10.1021\/acsomega.9b00655\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"font-claude-response-body-bold text-text-100 mt-1\"\u003eHair Growth and Follicle Stimulation\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eGHK-Cu demonstrates significant potential for promoting hair growth and enlarging hair follicles through multiple mechanisms affecting the hair growth cycle. When used to treat wounds, researchers observed that hair follicles surrounding treated areas appeared notably enlarged, suggesting GHK-Cu plays a role in preventing follicular miniaturization and potentially increasing follicle size. Subsequent studies have confirmed these observations, with research showing GHK-Cu can increase hair follicle size and improve hair shaft thickness in experimental models.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe peptide influences the hair growth cycle by extending the anagen (growth) phase while reducing the duration of the catagen (regression) phase. This temporal modulation results in improved hair density, increased length potential, and reduced shedding. Research using ionic liquid-based microemulsion delivery systems for GHK-Cu demonstrated that treated hair follicles entered early growth stages within 6 days, exhibiting hyperpigmentation and hair regrowth. Calculations based on hair cycle scoring confirmed earlier transitions to growth phases compared to control treatments, with effects appearing faster than FDA-approved 5% minoxidil.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eGHK-Cu promotes angiogenesis in scalp tissue, improving blood circulation at the capillary level—critical for hair growth since each follicle receives blood and oxygen from a solitary capillary. Studies show the peptide stimulates secretion of vascular endothelial growth factor (VEGF) and hepatocyte growth factor (HGF) from hair follicle cells, with experimental formulations producing the most significant increases in these growth factors. VEGF's role in angiogenesis suggests GHK-Cu contributes to formation of vascular networks supporting hair follicle nutrition.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe peptide's anti-inflammatory properties create a healthier scalp environment by reducing chronic inflammation that can damage follicles and lead to miniaturization. GHK-Cu reduces key inflammatory markers including TNF-alpha and IL-6, helping calm scalp conditions that interfere with normal hair growth. Research indicates the peptide may support activation of dermal papilla cells and follicle stem cells, both essential for initiating new hair growth and maintaining follicle function.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eStudies examining copper ions show they provide up to 90% inhibition of type 1 5-alpha reductase at 0.12 micrograms per milliliter, offering 50% reduction in activity. Type 1 5-alpha reductase is the enzyme that produces follicle-damaging dihydrotestosterone (DHT) in hair follicles. Copper ions demonstrate more specific inhibition of type 1 5-alpha reductase compared to finasteride, which primarily targets the type 2 form, suggesting GHK-Cu may help reduce DHT's negative effects on follicles through this mechanism.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eImmunofluorescence analysis reveals that GHK-Cu treatment leads to upregulated CD31 expression in scalp tissue, indicating enhanced angiogenesis. Studies also show dermal thickening effects, improved extracellular matrix support, and activation of the Wnt\/β-catenin signaling pathway—factors involved in hair growth regulation. Clinical observations document improvements in hair count, hair diameter, and overall scalp coverage in subjects using GHK-Cu for androgenetic alopecia, though the peptide's effectiveness appears optimized when applied consistently over several months.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003e\u003cstrong\u003eSources:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-2.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eLiu T, et al. Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application. J Mol Liq. 2023;381:121791.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10643103\/\"\u003ehttps:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10643103\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePickart L, Margolina A. Regenerative and protective actions of the GHK-Cu peptide in the light of the new gene data. Int J Mol Sci. 2018;19(7):1987.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6073405\/\"\u003ehttps:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6073405\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eIslam R, et al. Tripeptides Ghk and GhkCu-modified silver nanoparticles for enhanced antibacterial and wound healing activities. J Colloid Interface Sci. 2024;660:411-426.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0927776524000432\"\u003ehttps:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0927776524000432\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"font-claude-response-body-bold text-text-100 mt-1\"\u003eGene Expression and Cellular Modulation\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eGHK-Cu exhibits extraordinary gene-modulating capabilities, with research demonstrating it affects expression of 31.2% of human genes at levels showing greater than or equal to 50% change. Using gene expression data from the Broad Institute's measurement of 13,424 human genes, analysis revealed GHK increases gene expression in 59% of affected genes while suppressing expression in 41%. This extensive modulation appears to reset gene expression patterns toward healthier states characteristic of younger tissue.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eIn 2010, researchers used the Broad Institute's Connectivity Map to identify potential treatments for aggressive metastatic colon cancer. From 1,309 bioactive molecules screened, the computer analysis selected GHK at 1 micromolar and securinine at 18 micromolar as the optimal agents capable of reversing expression of 54 gene sets overexpressed in malignant invasive colon cancer. The affected genes included critical \"node molecules\" (YWHAB, MAP3K5, LMNA, APP, GNAQ, F3, NFATC2, and TGM2) involved in regulating multiple biochemical pathways. GHK suppressed RNA production in 70% of these 54 overexpressed genes, demonstrating powerful regulatory capacity.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eStudies examining chronic obstructive pulmonary disease (COPD) reveal GHK's ability to reverse pathological gene expression signatures. Research identified 127 genes whose expression was significantly altered in COPD patients, with more severe emphysema symptoms correlating with degree of gene expression changes. Genes associated with inflammation were upregulated while genes involved in tissue remodeling and repair were markedly downregulated. Using the Connectivity Map, researchers identified GHK as a compound capable of reversing these changes, switching gene expression from destruction patterns to healthy remodeling profiles.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eGHK demonstrates particular effects on genes involved in cellular stress responses and protection. The peptide stimulates 41 genes in the ubiquitin\/proteasome system while suppressing only 1, indicating enhanced cellular \"cleansing\" capacity for removing damaged proteins. For DNA repair genes, GHK was primarily stimulatory (47 genes up, 5 genes down), with particularly strong effects on genes like XRCC5 (369% increase) and BRCA2 (189% increase)—both critical for maintaining genomic stability.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eAnalysis of antioxidant and inflammatory genes reveals GHK increases expression of 14 antioxidant genes while suppressing 2 pro-oxidant genes. The peptide increases expression of TLE1 (an NF-κB inhibitor) by 762% and IL18BP (another NF-κB inhibitor) by 295%, potentially inhibiting inflammatory NF-κB protein activity despite increasing NF-κB2 expression by 103%. This pattern suggests sophisticated regulatory control rather than simple up- or down-regulation.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eStudies using fetal lung fibroblasts found GHK induces dose-response gene expression changes in 329 genes associated with extracellular matrix composition. When three lines of human cancer cells (SH-SY5Y neuroblastoma, U937 histolytic cells, breast cancer cells) were incubated with 1-10 nanomolar GHK, the programmed cell death system (apoptosis) was reactivated and cell growth inhibited, suggesting the peptide can restore normal growth control mechanisms in dysregulated cells.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003e\u003cstrong\u003eSources:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-2.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePickart L, Margolina A. Regenerative and protective actions of the GHK-Cu peptide in the light of the new gene data. Int J Mol Sci. 2018;19(7):1987.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6073405\/\"\u003ehttps:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6073405\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eCampbell JD, et al. A gene expression signature of emphysema-related lung destruction and its reversal by the tripeptide GHK. Genome Med. 2012;4(8):67.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/genomemedicine.biomedcentral.com\/articles\/10.1186\/gm367\"\u003ehttps:\/\/genomemedicine.biomedcentral.com\/articles\/10.1186\/gm367\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePickart L, et al. GHK and DNA: Resetting the human genome to health. Biomed Res Int. 2014;2014:151479.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4180391\/\"\u003ehttps:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC4180391\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"font-claude-response-body-bold text-text-100 mt-1\"\u003eAnti-Inflammatory and Antioxidant Effects\u003c\/h4\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eGHK-Cu demonstrates potent anti-inflammatory properties through multiple mechanisms that reduce tissue damage and promote healing. Research shows the peptide suppresses secretion of pro-inflammatory cytokines including interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-α), and transforming growth factor-beta (TGF-β). In dermal fibroblasts, GHK-Cu reduces TNF-alpha-induced secretion of IL-6, a major positive regulator of fibrinogen synthesis and inflammatory responses. Studies in sebocytes show GHK suppresses IL-6 gene expression, contributing to reduced inflammatory signaling.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eIn animal models of acute lung injury induced by lipopolysaccharide (LPS), GHK-Cu treatment reduced reactive oxygen species (ROS) production and increased superoxide dismutase (SOD) activity while decreasing TNF-α and IL-6 production. These effects occurred through suppression of NF-κB p65 and p38 MAPK signaling pathways—key inflammatory cascades. GHK-Cu attenuated LPS-induced lung histological alterations and suppressed infiltration of inflammatory cells into lung parenchyma, demonstrating protective effects against acute inflammatory damage.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eStudies examining ischemic wounds reveal GHK-Cu treatment decreases concentrations of metalloproteinases 2 and 9 along with tumor necrosis factor-beta compared to vehicle-treated or untreated wounds. Research in colitis models shows GHK-Cu produces beneficial anti-inflammatory effects, reducing intestinal inflammation and promoting mucosal healing. The peptide's anti-inflammatory actions extend systemically, with evidence showing injected GHK-Cu protects against cortisone-induced inhibition of wound healing in mice, rats, and pigs.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eGHK-Cu's antioxidant properties complement its anti-inflammatory effects. The peptide increases expression of 14 antioxidant genes while suppressing 2 pro-oxidant genes, creating a cellular environment more resistant to oxidative stress. In wound healing models, GHK attached to biotin and bound to collagen pads produced higher levels of protein antioxidants in wound tissue. Research shows GHK-Cu reduces iron release from ferritin by 87%, preventing iron-catalyzed lipid peroxidation—a chain reaction producing free radicals that damage DNA, proteins, and cell membranes.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eThe peptide blocks ferritin channels, preventing release of tissue-damaging free iron after tissue injury. This iron-sequestering capability is particularly important because excess free iron directly enters cells, concentrates in mitochondria, disrupts oxidative phosphorylation, catalyzes lipid peroxidation, and ultimately leads to cell death. By preventing iron-mediated oxidative damage, GHK-Cu protects tissues during the vulnerable post-injury period when normal iron homeostasis is disrupted.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003eStudies in wound healing show GHK-Cu elevates levels of glutathione and ascorbic acid—both critical cellular antioxidants. In diabetic wound models, GHK-Cu treatment resulted in higher levels of these protective molecules along with increased activation of antioxidant enzymes. The peptide's ability to increase superoxide dismutase activity is particularly significant, as SOD catalyzes the dismutation of superoxide radicals into less harmful molecules, providing a first line of defense against oxidative stress.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body whitespace-normal break-words\"\u003e\u003cstrong\u003eSources:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc space-y-2.5 pl-7\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePark JR, et al. The tri-peptide GHK-Cu complex ameliorates lipopolysaccharide-induced acute lung injury in mice. Oncotarget. 2016;7(36):58405-58417.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/www.oncotarget.com\/article\/11168\/text\/\"\u003ehttps:\/\/www.oncotarget.com\/article\/11168\/text\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePickart L, Vasquez-Soltero JM, Margolina A. The human tripeptide GHK-Cu in prevention of oxidative stress and degenerative conditions of aging: Implications for cognitive health. Oxid Med Cell Longev. 2012;2012:324832.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC3359723\/\"\u003ehttps:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC3359723\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePickart L, Margolina A. Regenerative and protective actions of the GHK-Cu peptide in the light of the new gene data. Int J Mol Sci. 2018;19(7):1987.\u003cspan\u003e \u003c\/span\u003e\u003ca class=\"underline\" href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6073405\/\"\u003ehttps:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC6073405\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"research-disclaimer\"\u003e\u003cem\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe research articles listed above are for informational purposes only. This product is intended for research use only and not for human or veterinary use.\u003c\/em\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"CHEATCODES","offers":[{"title":"Default Title","offer_id":44287001395315,"sku":null,"price":47.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/2316\/4787\/files\/ghk_50mg.png?v=1775966051","url":"https:\/\/cheatcodespeptides.com\/products\/ghk-cu","provider":"CHEATCODES","version":"1.0","type":"link"}