# KLOW Peptide References — Cited Studies and Sources

> Full citation list for the KLOW peptide component literature: KPV, GHK-Cu, BPC-157 and TB-500 studies with DOIs, PMIDs and PubMed URLs.

The published record this field guide draws from — each study cited to its component arm, with DOI and PubMed link.

## Published references

The following studies are cited across this site. Each entry carries a DOI or PubMed URL. Where a study concerns a specific KLOW component, that attribution is noted.

## References

[1] Malinda KM, et al. Thymosin beta4 accelerates wound healing. J Invest Dermatol. 1999;113(3):364-368. 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(6):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] Lee E, Burgess K. Safety of Intravenous Infusion of BPC157 in Humans: A Pilot Study. Altern Ther Health Med. 2025;31(5):20-24. https://pubmed.ncbi.nlm.nih.gov/40131143/
[7] 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/
[8] Xiao X, et al. Multiple potential roles of thymosin β4 in the growth and development of hair follicles. J Cell Mol Med. 2021. https://pubmed.ncbi.nlm.nih.gov/33393222/
[9] Lane TF, Iruela-Arispe ML, Johnson RS, Sage EH. SPARC is a source of copper-binding peptides that stimulate angiogenesis. Journal of Cell Biology. 1994;125(4):929-943. https://pubmed.ncbi.nlm.nih.gov/7514608/
[10] Hsieh MJ, et al. Modulatory effects of BPC 157 on vasomotor tone and the activation of Src-Caveolin-1-endothelial nitric oxide synthase pathway. Sci Rep. 2020;10:17078. https://pubmed.ncbi.nlm.nih.gov/33051481/
[11] Jo JO, et al. Thymosin β4 induces the expression of vascular endothelial growth factor (VEGF) in a hypoxia-inducible factor (HIF)-1α-dependent manner. Biochim Biophys Acta. 2010. https://pubmed.ncbi.nlm.nih.gov/20691219/
[12] 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/
[13] Zhao Y, et al. Skin-adaptive film dressing with smart-release of growth factors accelerated diabetic wound healing. Int J Biol Macromol. 2022;222(Pt A):1738-1748. https://pubmed.ncbi.nlm.nih.gov/36240893/
[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] World Anti-Doping Agency (WADA). Prohibited List 2025. S2: Peptide Hormones, Growth Factors, Related Substances and Mimetics. https://www.wada-ama.org/en/prohibited-list
[16] Sikiric P, et al. The Stable Gastric Pentadecapeptide BPC 157 Pleiotropic Beneficial Activity and Its Possible Relations with Neurotransmitter Activity. Pharmaceuticals (Basel). 2024;17(4):461. https://pubmed.ncbi.nlm.nih.gov/38675421/

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Four mechanisms traced to their published sources — with the combination fog left exactly as the literature left it.