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Research Articles

Scientific insights and research findings on peptide applications in laboratory studies.

February 2026

Triple-Receptor Agonism in Metabolic Research

Research Focus: GLP-3 RT

Exploring the synergistic effects of simultaneous GLP-1, GIP, and glucagon receptor activation in laboratory metabolic studies.

Key Findings:

  • ▸Superior weight reduction compared to single-receptor approaches in preclinical models
  • ▸Enhanced glucose homeostasis through multi-pathway activation
  • ▸Dose-dependent metabolic improvements across multiple markers
  • ▸Potential applications in obesity and diabetes research

References:

Jastreboff, A. M., et al. (2023). "Triple–Hormone-Receptor Agonist Retatrutide for Obesity — A Phase 2 Trial." New England Journal of Medicine, 389(6), 514-526.

Rosenstock, J., et al. (2023). "Retatrutide, a GIP, GLP-1 and glucagon receptor agonist, for people with type 2 diabetes: a randomised, double-blind, placebo and active-controlled, parallel-group, phase 2 trial." The Lancet, 402(10401), 529-544.

Sanyal, A. J., et al. (2024). "Triple hormone receptor agonist retatrutide for metabolic dysfunction-associated steatotic liver disease: a randomized phase 24 trial." Nature Medicine, 30(6), 1639-1647.

Abouelmagd, A. A., et al. (2025). "Efficacy and safety of retatrutide, a novel GLP-1, GIP, and glucagon receptor agonist for obesity treatment: a systematic review and meta-analysis of randomized controlled trials." Baylor University Medical Center Proceedings, 38(1), 1-10.

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January 2026

Copper Peptides in Regenerative Research

Research Focus: GHK-Cu

Comprehensive review of GHK-Cu's mechanisms in tissue repair, collagen synthesis, and cellular regeneration processes.

Key Findings:

  • ▸Modulation of 4,000+ genes with focus on DNA repair pathways
  • ▸25.4-fold increase in collagen IV synthesis when combined with hyaluronic acid
  • ▸Demonstrated wound healing acceleration in diabetic models
  • ▸Anti-inflammatory effects comparable to corticosteroids in research settings

References:

Pickart, L., et al. (2012). "GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration." BioMed Research International, 2012, Article ID 648108.

Pickart, L., & Margolina, A. (2018). "Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data." International Journal of Molecular Sciences, 19(7), 1987.

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December 2025

Neuroprotective Peptides in Cognitive Research

Research Focus: Semax

Investigation of BDNF-enhancing peptides and their applications in neurological research and cognitive function studies.

Key Findings:

  • ▸Increased BDNF and NGF production supporting neuronal growth
  • ▸Neuroprotective effects against oxidative stress and beta-amyloid accumulation
  • ▸Improved cognitive markers in attention and memory research
  • ▸Potential applications in stroke recovery and neurodegenerative research

References:

Koroleva, S. V., & Myasoedov, N. F. (2018). "Semax as a Universal Drug for Therapy and Research." Biology Bulletin, 45(6), 589-600.

Filippenkov, I. B., et al. (2020). "Novel Insights into the Protective Properties of ACTH(4-7)PGP (Semax) Peptide at the Transcriptome Level Following Cerebral Ischemia-Reperfusion in Rats." Genes, 11(6), 681.

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Research Use Only: All articles reference laboratory research and preclinical studies. Products are not intended for human consumption or therapeutic use.

The statements on this website have not been evaluated by the U.S. Food and Drug Administration. The products and information provided by PepHQ are not intended to diagnose, treat, cure, or prevent any disease. PepHQ is a research chemical supplier. We are not a compounding pharmacy or compounding facility as defined under Section 503A of the Federal Food, Drug, and Cosmetic Act, nor are we an outsourcing facility as defined under Section 503B.

All products are sold for research, laboratory, or analytical purposes only, and are not for human consumption.

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