# KLOW peptide References & Citation Register

> KLOW peptide references — the full citation register for the component literature on KPV, GHK-Cu, BPC-157 and TB-500/thymosin beta-4, with DOIs and PubMed links for every quantitative claim on the site.

Every quantitative claim on this site resolves to an entry below — each one a study of a single constituent, never of the blend, with DOI or PubMed link.

## How to read this register

Each citation below documents a single constituent of the KLOW peptide — KPV, GHK-Cu, BPC-157 or thymosin beta-4 / TB-500 — or the regulatory and review record. None studies the four-peptide blend, because no such study exists. The numbering matches the inline markers across the site. Where a claim cites a finding for native thymosin beta-4, the entry says so, since the short TB-500 fragment does not automatically inherit the native protein's results. This is the [full reference list](/references) for every quantitative claim catalogued here.

## References

[1] Malinda KM, et al. Thymosin beta4 accelerates wound healing. J Invest Dermatol. 1999. (Finding for full-length native thymosin beta-4, not the TB-500 fragment.) https://pubmed.ncbi.nlm.nih.gov/10469335/
[2] Staresinic M, et al. Gastric pentadecapeptide BPC 157 accelerates healing of transected rat Achilles tendon and in vitro stimulates tendocytes growth. J Orthop Res. 2003;21:976-983. https://pubmed.ncbi.nlm.nih.gov/14554208/
[3] Dalmasso G, Charrier-Hisamuddin L, Nguyen HT, Yan Y, Sitaraman S, Merlin D. PepT1-mediated tripeptide KPV uptake reduces intestinal inflammation. Gastroenterology. 2008;134(1):166-178. https://pubmed.ncbi.nlm.nih.gov/18061177/
[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. https://pmc.ncbi.nlm.nih.gov/articles/PMC4508379/
[5] 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/
[6] Philp D, et al. Thymosin beta4 increases hair growth by activation of hair follicle stem cells. FASEB J. 2004. https://pubmed.ncbi.nlm.nih.gov/14657002/
[7] Trachy RE, Fors TD, Pickart L, Uno H. The hair follicle-stimulating properties of peptide copper complexes. Results in C3H mice. Annals of the New York Academy of Sciences. 1991;642:468-469. https://pubmed.ncbi.nlm.nih.gov/1809108/
[8] Pyo HK, Yoo HG, Won CH, Lee SH, Kang YJ, Eun HC, Cho KH, Kim KH. The effect of tripeptide-copper complex on human hair growth in vitro. Archives of Pharmacal Research. 2007;30(7):834-839. (Tests AHK-Cu, an analog of GHK-Cu.) https://pubmed.ncbi.nlm.nih.gov/17703734/
[9] Philp D, et al. Thymosin beta 4 induces hair growth via stem cell migration and differentiation. Ann N Y Acad Sci. 2007. https://pubmed.ncbi.nlm.nih.gov/17947589/
[10] Mendias CL, Awan TM. Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance. Sports Med. 2026. https://pubmed.ncbi.nlm.nih.gov/41966639/
[11] Editorial synthesis of the KLOW corpus: no controlled study has tested the four-peptide KLOW blend against monotherapy, a subset, or placebo; component half-lives differ markedly, producing a pharmacokinetic mismatch within a single co-formulated vial. (Mechanistic/structural caution drawn from the cited component literature, references 1-5.) https://pmc.ncbi.nlm.nih.gov/articles/PMC4508379/
[12] Lee E, Burgess K. Safety of Intravenous Infusion of BPC157 in Humans: A Pilot Study. Altern Ther Health Med. 2025. https://pubmed.ncbi.nlm.nih.gov/40131143/
[13] Zhou F, et al. In situ mucoadhesive hydrogel capturing tripeptide KPV: the anti-inflammatory, antibacterial and repairing effect. Biomater Sci. 2022;10(7):1644-1655. https://pubmed.ncbi.nlm.nih.gov/34846053/
[14] Zhang Q, et al. Self-Cross-Linked Hydrogel of Cysteamine-Grafted gamma-Polyglutamic Acid Stabilized Tripeptide KPV for Treating Inflammatory Bowel Disease. ACS Biomater Sci Eng. 2021;7(10):4938-4949. https://pubmed.ncbi.nlm.nih.gov/34547895/
[15] Lin X, et al. KPV and RAPA Self-Assembled into Carrier-Free Nanodrugs for Vascular Calcification Therapy. Adv Healthc Mater. 2024. https://pubmed.ncbi.nlm.nih.gov/39252648/

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A monumental catalogue of the four-peptide KLOW record, inscribed per constituent with the unwritten blend study left a plainly marked lacuna — not a clinic, not an apothecary, not a prescription.