# GHK-Cu Research References: Citations and Source Documents

> Full citation list for GHK-Cu research summaries on this site — PubMed, PMC, and DOI links to every cited study.

## References: The GHK-Cu Research Record

Every quantitative claim on this site cites a source in this list. GHK-Cu citations are numbered sequentially and linked to their PubMed, PMC, or DOI entries. The full citation list is also available as [research.md](/research.md) for plain-text access.

All studies were retrieved from peer-reviewed journals or preprint archives with PMC or PubMed accession numbers. No citations on this site are to vendor sites, supplement blogs, or unverified sources.

## References

[1] Maquart FX, Pickart L, Laurent M, Gillery P, Monboisse JC, Borel JP. Stimulation of collagen synthesis in fibroblast cultures by the tripeptide-copper complex glycyl-L-histidyl-L-lysine-Cu2+. FEBS Letters. 1988;238(2):343-6. https://pubmed.ncbi.nlm.nih.gov/3169264/
[2] Pickart L, Margolina A. Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data. International Journal of Molecular Sciences. 2018;19(7):1987. https://pmc.ncbi.nlm.nih.gov/articles/PMC6073405/
[3] Pickart L, Vasquez-Soltero JM, Margolina A. GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration. BioMed Research International. 2015;2015:648108. https://pmc.ncbi.nlm.nih.gov/articles/PMC4508379/
[4] Pickart L, Vasquez-Soltero JM, Margolina A. GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration. BioMed Research International. 2015;2015:648108. [12-week photoaging clinical trial in 71 women] https://pmc.ncbi.nlm.nih.gov/articles/PMC4508379/
[5] Pickart L, Vasquez-Soltero JM, Margolina A. GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration. BioMed Research International. 2015;2015:648108. [keratinocyte proliferation comparative data] https://pmc.ncbi.nlm.nih.gov/articles/PMC4508379/
[6] Pickart L, Margolina A. Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data. International Journal of Molecular Sciences. 2018;19(7):1987. [nano-lipid carrier 8-week RCT, 31.6% wrinkle reduction] https://pmc.ncbi.nlm.nih.gov/articles/PMC6073405/
[7] Pickart L, Margolina A. Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data. International Journal of Molecular Sciences. 2018;19(7):1987. [collagen dressing, diabetic/ischemic rat wounds, 9-fold collagen increase] https://pmc.ncbi.nlm.nih.gov/articles/PMC6073405/
[8] Wang X, Liu B, Xu Q, Sun H, Shi M, Wang D, Guo M, Yu J, Zhao C, Feng B. GHK-Cu-liposomes accelerate scald wound healing in mice by promoting cell proliferation and angiogenesis. Wound Repair and Regeneration. 2017;25(2):270-278. https://pubmed.ncbi.nlm.nih.gov/28370978/
[9] Pickart L, Margolina A. Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data. International Journal of Molecular Sciences. 2018;19(7):1987. [antioxidant assay: 100% LDL oxidation inhibition, 87% ferritin iron release reduction] https://pmc.ncbi.nlm.nih.gov/articles/PMC6073405/
[10] Zhang Q, Yan L, Lu J, Zhou X. Glycyl-L-histidyl-L-lysine-Cu2+ attenuates cigarette smoke-induced pulmonary emphysema and inflammation by reducing oxidative stress pathway. Frontiers in Molecular Biosciences. 2022;9:925700. https://pmc.ncbi.nlm.nih.gov/articles/PMC9354777/
[11] Zhou XM, et al. GHK Peptide Inhibits Bleomycin-Induced Pulmonary Fibrosis in Mice by Suppressing TGFβ1/Smad-Mediated Epithelial-to-Mesenchymal Transition. Frontiers in Pharmacology. 2017;8:904. https://pmc.ncbi.nlm.nih.gov/articles/PMC5733019/
[12] Lee WJ, Sim HB, Jang YH, Lee SJ, Kim DW, Yim SH. Efficacy of a Complex of 5-Aminolevulinic Acid and Glycyl-Histidyl-Lysine Peptide on Hair Growth. Annals of Dermatology. 2016;28(4):438-443. https://pmc.ncbi.nlm.nih.gov/articles/PMC4969472/
[13] Liu T, Liu Y, Zhao X, Zhang L, Wang W, Bai D, Liao Y, Wang Z, Wang M, Zhang J. Thermodynamically stable ionic liquid microemulsions pioneer pathways for topical delivery and peptide application. Bioactive Materials. 2023;32:262-279. https://pmc.ncbi.nlm.nih.gov/articles/PMC10643103/
[14] Tucker M, Keely A, Park JY, Rosenfeld M, Wezeman J, Mangalindan R, Ratner D, Ladiges W. Intranasal GHK peptide enhances resilience to cognitive decline in aging mice. Aging Pathobiology and Therapeutics (preprint: bioRxiv). 2023. https://pmc.ncbi.nlm.nih.gov/articles/PMC10680828/
[15] Tucker M, Liao GY, Park JY, Rosenfeld M, Wezeman J, Mangalindan R, Ratner D, Darvas M, Ladiges W. Behavioral and neuropathological features of Alzheimer's disease are attenuated in 5xFAD mice treated with intranasal GHK peptide. bioRxiv (Preprint). 2023. https://pmc.ncbi.nlm.nih.gov/articles/PMC10690187/
[16] Pickart L, Margolina A. Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data. International Journal of Molecular Sciences. 2018;19(7):1987. [cancer gene suppression and apoptosis data] https://pmc.ncbi.nlm.nih.gov/articles/PMC6073405/
[17] He Q, Mazzola J, Ladiges W. The naturally occurring peptide GHK reverses age-related fibrosis by modulating myofibroblast function. Aging Pathobiology and Therapeutics. 2024;6(4):158-163. https://pmc.ncbi.nlm.nih.gov/articles/PMC12352503/
[18] Bian Y, Deng M, Liu J, Hou G, et al. The glycyl-l-histidyl-l-lysine-Cu2+ tripeptide complex attenuates lung inflammation and fibrosis in silicosis by targeting peroxiredoxin 6. Redox Biology. 2024;74:103237. https://pmc.ncbi.nlm.nih.gov/articles/PMC11228880/
[19] The tripeptide-copper complex glycyl-L-histidyl-L-lysine-Cu2+ stimulates matrix metalloproteinase-2 expression by fibroblast cultures. Life Sciences. 2000;67(18):2257-65. https://pubmed.ncbi.nlm.nih.gov/11045606/
[20] Hostynek JJ, Dreher F, Maibach HI. Human skin penetration of a copper tripeptide in vitro as a function of skin layer. Inflammation Research. 2010;59(11):983-992. https://pmc.ncbi.nlm.nih.gov/articles/PMC3016279/
[21] Pickart L, Margolina A. Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data. International Journal of Molecular Sciences. 2018;19(7):1987. [COPD gene reversal, integrin β1, acute lung injury] https://pmc.ncbi.nlm.nih.gov/articles/PMC6073405/
[22] Pickart L, Margolina A. Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data. International Journal of Molecular Sciences. 2018;19(7):1987. [fibrinogen beta chain 475% downregulation] https://pmc.ncbi.nlm.nih.gov/articles/PMC6073405/
[23] Pickart L, Vasquez-Soltero JM, Margolina A. The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline. Brain Sciences. 2017;7(2):20. https://pmc.ncbi.nlm.nih.gov/articles/PMC5332963/
[24] Mortazavi SM, Mohammadi Vadoud SA, Moghimi HR. Topically applied GHK as an anti-wrinkle peptide: Advantages, problems and prospective. BioImpacts. 2025;15:30071. https://pmc.ncbi.nlm.nih.gov/articles/PMC11830136/
[25] Pickart L. The human tri-peptide GHK and tissue remodeling. Journal of Biomaterials Science, Polymer Edition. 2008;19(8):969-988. https://pubmed.ncbi.nlm.nih.gov/18644225/

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Wound healing, collagen, and tissue remodeling: plain-language summaries of the GHK-Cu research record, cited study by study, written by no clinic and sold by no one.