LL-37: Chemical Properties
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Comprar péptido LL-37 5mg (Cathelicidin)24 Citas PubMedRevisado por EspecialistasÚltima Revisión: febrero de 2026
Propiedades Químicas
| Molecular Formula | C₂₀₅H₃₄₀N₆₀O₅₃ |
| Molecular Weight | 4493.33 Da |
| CAS Number | No establecido |
| PubChem CID | 16198951 |
| Sequence (1-Letter) | LLGDFFRKSKEKIGKEFKRIVQRIKDFLRNLVPRTES |
| Sequence (3-Letter) | Leu-Leu-Gly-Asp-Phe-Phe-Arg-Lys-Ser-Lys-Glu-Lys-Ile-Gly-Lys-Glu-Phe-Lys-Arg-Ile-Val-Gln-Arg-Ile-Lys-Asp-Phe-Leu-Arg-Asn-Leu-Val-Pro-Arg-Thr-Glu-Ser |
| Structure | Lineal, α-hélice anfipática (en membranas), libre de cisteína, motivo hélice-curvatura-hélice curvado (residuos 2–31) |
| Net Charge | +6 a pH fisiológico |
| Gene Origin | Gen CAMP, cromosoma 3p21.3 — codifica el precursor hCAP18 |
| Classification | Péptido Antimicrobiano de Catelicidina / Péptido de Defensa del Huésped |
| Clinical Name | Ropocamptide (Promore Pharma AB) |
Identificadores
| Purity Standard | ≥90–110% content by HPLC (UV at 217 nm) |
| Identity Confirmation | LC-MS molecular mass ~4493.33 Da |
| Counter-Ion | Acetate (synthetic peptide acetate salt via SPPS) |
| Detection Methods | RP-HPLC, LC-MS, amino acid analysis, ELISA, antimicrobial bioassays |
Editorial Research Note
“Resumen de Investigación Preclínica Estudios Preclínicos Clave EstudioModeloHallazgos ClaveRef Zhang et al.”
Referencias
- Johansson J, Gudmundsson GH, Rottenberg ME, et al. Journal of Biological Chemistry. 1998;273(6):3718-3724.
- Gudmundsson GH, Agerberth B, Odeberg J, et al. European Journal of Biochemistry. 1996;238(2):325-332.
- Ridyard KE, Overhage J. Antibiotics. 2021;10(6):650.
- Duplantier AJ, van Hoek ML. Frontiers in Immunology. 2013;4:143.
- Grönberg A, Mahlapuu M, Ståhle M, et al. Wound Repair and Regeneration. 2014;22(5):613-621.
- Yang B, Good D, Mosaiab T, et al. Significance of LL-37 on Immunomodulation and Disease Outcome. BioMed Research International. 2020;2020:8349712.
- Heilborn JD, Nilsson MF, Kratz G, et al. Journal of Investigative Dermatology. 2003;120(3):379-389.
- Scott MG, Davidson DJ, Gold MR, et al. The Journal of Immunology. 2002;169(7):3883-3891.
- Svensson D, Nilsson BO. Inflammation Research. 2025;74(1):36.
- Piktel E, Niemirowicz K, Wnorowska U, et al. The Role of Cathelicidin LL-37 in Cancer Development. Archivum Immunologiae et Therapiae Experimentalis. 2016;64(1):33-46.
- Zhang Z, Chen WQ, Zhang SQ, et al. Frontiers in Pharmacology. 2022;13:906625.
- Lu F, Zhu Y, Zhang G, Liu Z. Frontiers in Pharmacology. 2022;13:944147.
- Miranda E, Bramono K, Yunir E, et al. Archives of Dermatological Research. 2023;315(9):2623-2633.
- Seil M, Nagant C, Dehaye JP, et al. Pharmaceuticals. 2010;3(11):3435-3460.
- Ergün FC, Kars MD, Kars G. Development and Characterization of LL37 Antimicrobial-Peptide-Loaded Chitosan Nanoparticles. Polymers. 2025;17(13):1884.
- Mahlapuu M, Sidorowicz A, Mikosinski J, et al. Wound Repair and Regeneration. 2021;29(6):938-950.
- Ohuchi K, Ikawa T, Amagai R, et al. LL-37 Might Promote Local Invasion of Melanoma by Activating Melanoma Cells and Tumor-Associated Macrophages. Cancers. 2023;15(6):1678.
- Miura S, Garcet S, Li X, et al. Journal of Investigative Dermatology. 2023;143(5):832-841.e4.
- Lin X, Wang R, Mai S. Journal of Drug Delivery Science and Technology. 2020;60(9):102016.
- Wu WK, Wang G, Coffelt SB, et al. International Journal of Cancer. 2010;127(8):1741-1747.
- Alalwani SM, Sierigk J, Herr C, et al. European Journal of Immunology. 2010;40(4):1118-1126.
- Lozeau LD, Kole D, Dominko T, et al. Activity and toxicity of a recombinant LL37 antimicrobial peptide. Frontiers in Bioengineering and Biotechnology. 2016.
- Wan W, Zhang L, Lin Y, et al. Mitochondria-derived peptide MOTS-c: effects and mechanisms related to stress, metabolism and aging. Journal of Translational Medicine. 2023;21(1):36.
- M.D. Anderson Cancer Center. ClinicalTrials.gov Protocol NCT02225366. 2015.
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