Research peptide encyclopedia
Neutral, in-vitro / preclinical profiles of research peptides, plus a live scientific search across the PubMed literature. For laboratory research only.
Research axes
Explore research peptides by area to find compounds relevant to your field of study.
Metabolic
Peptides studied in research on metabolism, lipid oxidation and appetite regulation.
Growth hormone
Compounds studied on GH secretion, IGF-1 pathways and anabolic signalling.
Tissue repair
Peptides studied on the repair of tissues, tendons, ligaments and wound healing.
Cognition & focus
Compounds studied on cognition, neuroprotection and synaptic plasticity.
Longevity & anti-ageing
Peptides studied on cellular senescence, telomeres and markers of ageing.
Skin & hair
Peptides studied on skin, collagen, hair and cutaneous anti-ageing.
Hormonal balance
Peptides studied on hormonal balance and the reproductive axis.
Immunity
Peptides studied on immune modulation and the body's defences.
Scientific search engine
Live results from PubMed (NCBI). Research literature only — no medical advice.
Ceruloplasmin, copper ions, and angiogenesis.
Raju KS, et al. · Journal of the National Cancer Institute · 1982
AI-Guided Design of Antimicrobial Peptide Hydrogels for Precise Treatment of Drug-resistant Bacterial Infections.
Jiang Z, et al. · Advanced materials (Deerfield Beach, Fla.) · 2025
Biomimetic Hydrogel Scaffolds with Copper Peptide-Functionalized RADA16 Nanofiber Improve Wound Healing in Diabetes.
Yang X, et al. · Macromolecular bioscience · 2022
Role of copper in angiogenesis and its medicinal implications.
Xie H, et al. · Current medicinal chemistry · 2009
Scandium-44: Diagnostic Feasibility in Tumor-Related Angiogenesis.
Trencsényi G, et al. · International journal of molecular sciences · 2023
Copper promotion of angiogenesis in isolated rat aortic ring: role of vascular endothelial growth factor.
Li QF, et al. · The Journal of nutritional biochemistry · 2014
A copper complex that combats triple negative breast cancer by restraining angiogenesis.
Zheng H, et al. · Dalton transactions (Cambridge, England : 2003) · 2023
NGR-Based Radiopharmaceuticals for Angiogenesis Imaging: A Preclinical Review.
Trencsényi G, et al. · International journal of molecular sciences · 2023
Copper(II) interaction with peptide fragments of histidine-proline-rich glycoprotein: Speciation, stability and binding details.
La Mendola D, et al. · Journal of inorganic biochemistry · 2012
Angiogenin and Copper Crossing in Wound Healing.
Cucci LM, et al. · International journal of molecular sciences · 2021
CTR1 silencing inhibits angiogenesis by limiting copper entry into endothelial cells.
Narayanan G, et al. · PloS one · 2013
Copper exposure induces autophagy and angiogenesis in liver cell via ATF4 activation independent of TFEB.
Zhang M, et al. · Toxicology · 2026
Copper Complexes with New Glycyl-l-histidyl-l-lysine-Hyaluronan Conjugates Show Antioxidant Properties and Osteogenic and Angiogenic Synergistic Effects.
Greco V, et al. · Bioconjugate chemistry · 2025
Exploring the Extended Biological Functions of the Human Copper Chaperone of Superoxide Dismutase 1.
Ge Y, et al. · The protein journal · 2019
Copper content in ascitic fluid is associated with angiogenesis and progression in ovarian cancer.
Onuma T, et al. · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2021
Peptide profiles

BPC-157
A pentadecapeptide studied in preclinical tissue-repair research.
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TB-500
A synthetic fragment related to Thymosin Beta-4, studied in cell-migration research.
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GHK-Cu
A copper tripeptide (Gly-His-Lys) studied in in-vitro dermatological research.
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AHK-Cu
A copper tripeptide (Ala-His-Lys) studied in vitro on the hair follicle.
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Retatrutide
A multi-receptor research compound studied in a metabolic context.
ReadPeptide directory
A broad index of research peptides — class-level descriptors, each linking to the PubMed literature. Research use only.
| Peptide | Category | Structure | Research application | PubMed |
|---|---|---|---|---|
| BPC-157 | Tissue repair | Pentadecapeptide (15 aa) | Studied in preclinical / in-vitro research on tissue repair. | View |
| TB-500 | Tissue repair | Thymosin β4 fragment | Studied in preclinical / in-vitro research on cell migration. | View |
| GHK-Cu | Skin & hair | Copper tripeptide (Gly-His-Lys) | Studied in preclinical / in-vitro research on the extracellular matrix. | View |
| AHK-Cu | Skin & hair | Copper tripeptide (Ala-His-Lys) | Studied in preclinical / in-vitro research on the hair follicle. | View |
| Retatrutide | Metabolic | Triple-receptor agonist (investigational) | Studied in preclinical / in-vitro research on metabolism. | View |
| Semaglutide | Metabolic | GLP-1 receptor agonist | Studied in preclinical / in-vitro research on metabolism. | View |
| Tirzepatide | Metabolic | Dual GIP/GLP-1 agonist | Studied in preclinical / in-vitro research on metabolism. | View |
| Cagrilintide | Metabolic | Amylin analogue | Studied in preclinical / in-vitro research on metabolism. | View |
| Survodutide | Metabolic | Dual GLP-1/glucagon agonist (investigational) | Studied in preclinical / in-vitro research on metabolism. | View |
| AOD-9604 | Metabolic | hGH fragment (176-191) | Studied in preclinical / in-vitro research on lipid metabolism. | View |
| MOTS-c | Metabolic | Mitochondrial-derived peptide | Studied in preclinical / in-vitro research on energy metabolism. | View |
| CJC-1295 | Growth hormone | GHRH analogue | Studied in preclinical / in-vitro research on GH secretion. | View |
| Ipamorelin | Growth hormone | Pentapeptide (ghrelin agonist) | Studied in preclinical / in-vitro research on GH secretion. | View |
| GHRP-2 | Growth hormone | GH-releasing hexapeptide | Studied in preclinical / in-vitro research on GH secretion. | View |
| GHRP-6 | Growth hormone | GH-releasing hexapeptide | Studied in preclinical / in-vitro research on GH secretion. | View |
| Sermorelin | Growth hormone | GHRH analogue (1-29) | Studied in preclinical / in-vitro research on GH secretion. | View |
| Tesamorelin | Growth hormone | GHRH analogue | Studied in preclinical / in-vitro research on metabolism and GH. | View |
| Hexarelin | Growth hormone | Hexapeptide (ghrelin agonist) | Studied in preclinical / in-vitro research on GH secretion. | View |
| IGF-1 LR3 | Growth hormone | Long-acting IGF-1 analogue | Studied in preclinical / in-vitro research on anabolic signalling (in vitro). | View |
| MK-677 (Ibutamoren) | Growth hormone | GH secretagogue (GHS-R agonist) | Studied in preclinical / in-vitro research on GH secretion. | View |
| Semax | Cognition & focus | Synthetic heptapeptide (ACTH-derived) | Studied in preclinical / in-vitro research on neuroprotection. | View |
| Selank | Cognition & focus | Synthetic heptapeptide (tuftsin-derived) | Studied in preclinical / in-vitro research on anxiolytic effects. | View |
| Cerebrolysin | Cognition & focus | Neurotrophic peptide mixture | Studied in preclinical / in-vitro research on neuroprotection. | View |
| Dihexa | Cognition & focus | Hexapeptide (angiotensin IV-derived) | Studied in preclinical / in-vitro research on synaptogenesis. | View |
| P-21 (P021) | Cognition & focus | CNTF-derived peptide | Studied in preclinical / in-vitro research on neurogenesis. | View |
| Epithalon | Longevity & anti-ageing | Tetrapeptide (Ala-Glu-Asp-Gly) | Studied in preclinical / in-vitro research on telomeres and ageing. | View |
| FOXO4-DRI | Longevity & anti-ageing | FOXO4-p53 interaction inhibitor peptide | Studied in preclinical / in-vitro research on cellular senescence. | View |
| Humanin | Longevity & anti-ageing | Mitochondrial-derived peptide | Studied in preclinical / in-vitro research on cytoprotection. | View |
| Thymalin | Immunity | Thymic peptide | Studied in preclinical / in-vitro research on immune modulation. | View |
| Thymosin Alpha-1 | Immunity | Thymic peptide (28 aa) | Studied in preclinical / in-vitro research on immune modulation. | View |
| LL-37 | Immunity | Antimicrobial peptide (cathelicidin) | Studied in preclinical / in-vitro research on innate immunity. | View |
| KPV | Immunity | Tripeptide (Lys-Pro-Val) | Studied in preclinical / in-vitro research on inflammation (in vitro). | View |
| ARA-290 (Cibinetide) | Tissue repair | EPO-derived peptide (11 aa) | Studied in preclinical / in-vitro research on anti-inflammation and neuroprotection. | View |
| PT-141 (Bremelanotide) | Hormonal balance | Cyclic melanocortin peptide | Studied in preclinical / in-vitro research on melanocortin receptors. | View |
| Kisspeptin-10 | Hormonal balance | Regulatory decapeptide | Studied in preclinical / in-vitro research on the reproductive axis. | View |
| Oxytocin | Hormonal balance | Nonapeptide (neurohormone) | Studied in preclinical / in-vitro research on social behaviour. | View |
| Melanotan II | Skin & hair | α-MSH analogue heptapeptide | Studied in preclinical / in-vitro research on melanocortin receptors. | View |
| SNAP-8 | Skin & hair | Octapeptide (acetyl octapeptide-3) | Studied in preclinical / in-vitro research on the appearance of wrinkles (in vitro). | View |
| PAL-GHK | Skin & hair | Palmitoylated tripeptide | Studied in preclinical / in-vitro research on collagen (in vitro). | View |
39 / 39 peptides · links to PubMed literature.
Research peptides — Research Use Only
- Not for human consumption
- Not for the diagnosis, treatment or prevention of any disease