Melanotan-2: Safety Profile & Research Summary
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Comprar peptídeo Melanotan 2 10mg (MT-2)Resumo da Pesquisa Pre-clinica
Key Preclinical Studies
| Estudo | Modelo | Principais Achados | Ref |
|---|---|---|---|
| Côté et al. (2017) | F344BN rats — 40-day study | Fat pads -35% to -55% (p<0.01/0.001); iBAT thermogenesis 3-fold ↑; food intake returned to normal by day 5 — body-weight endpoint via ↑ energy expenditure | [6] |
| Vemulapalli et al. (2001) | NZW rabbits — 66–133 µg/kg IV | Cavernosal pressure 3.2-fold ↑ (p<0.05); abolished by MC3/4 antagonist SHU 9119, pudendal nerve transection, or L-NAME → centrally-mediated NO release | [5] |
| Minakova et al. (2019) | MIA autism-model mice — 7-day study | Sociability index 3.1 → 26.3 (p<0.0001); anxiety unchanged; rescued social deficits to control levels | [11] |
| Ford et al. (2024) | Prairie voles (WT vs Oxtr-KO) — IP/ICV | Social context → NAcc Fos ↑ (p<0.01) in WT but NOT Oxtr-KO; non-social → PVN ativacao apenas → oxytocin-dependent social learning mechanism | [7] |
| Jain et al. (2018) | C57BL/6J mice — 10 mg/kg IP | Plasma histamine 4-fold ↑ (p<0.0001); profound hypothermia abolished in mast cell-deficient mice; SC route ↓ histamine 63% | [8] |
| Eliason et al. (2022) | C57BL/6J mice — NAcc microinjection | All doses ↓ food intake at 1,2,4,6h (p<0.05); diminuiu lever-pressing motivation; no aversive state or metabolic rate change | [10] |
| Wu et al. (2020) | B16-F10 melanoma mice — topical | Dramatically slowed tumor growth; ↑PTEN, ↓COX-2/PGE2, induziu cell death; inibiu migration/invasion | [14] |
Human Clinical Data
| Estudo | Population | Key Results | Ref |
|---|---|---|---|
| Dorr et al. (1996) — Phase I | n=3 healthy males | Tanning and tolerability endpoints | [1] |
| Wessells et al. (1998) — Psychogenic ED | n=10 men; duplo-cego crossover | Erectile-response endpoints | [3] |
| Wessells et al. (2000) — Organic ED | n=10 men; duplo-cego crossover | Erectile-response and sexual-desire endpoints | [9] |
Pharmacokinetics
| Parametro | Valor |
|---|---|
| Human Half-Life | ~1–2 hours (aprimorou vs α-MSH by cyclic structure) |
| BBB Penetration | Yes (diferentemente de Melanotan I) |
| Active Metabolite | Bremelanotide (PT-141) — deaminated, lacks C-terminal amide |
Os produtos oferecidos neste site são fornecidos apenas para estudos in vitro. Estudos in vitro (do latim: em vidro) são realizados fora do corpo. Estes produtos não são medicamentos ou fármacos e não foram aprovados pelo FDA dos EUA para prevenir, tratar ou curar qualquer condição médica, enfermidade ou doença. A introdução corporal de qualquer tipo em humanos ou animais é estritamente proibida por lei.
Apenas para Pesquisa Laboratorial. Não se destina ao uso humano, uso médico, uso diagnóstico ou uso veterinário.
TODOS OS ARTIGOS E INFORMAÇÕES SOBRE PRODUTOS FORNECIDOS NESTE SITE SÃO APENAS PARA FINS INFORMATIVOS E EDUCACIONAIS.
“Resumo da Pesquisa Pre-clinica Key Preclinical Studies EstudoModeloPrincipais AchadosRef Côté et al.”
Referencias
- Dorr RT, Lines R, Levine N, et al. Life Sciences. 1996;58(20):1777-1784.
- Hadley ME, Dorr RT. Peptides. 2006;27(4):921-930.
- Wessells H, Fuciarelli K, Hansen J, et al. The Journal of Urology. 1998;160(2):389-393.
- FDA Warning Letters regarding unauthorized marketing of Melanotan products.
- Vemulapalli R, Kurowski S, Salisbury B, et al. Activation of central melanocortin receptors by MT-II aumenta cavernosal pressure in rabbits pelo(a) neuronal release of NO. British Journal of Pharmacology. 2001;134(8):1705-1710.
- Côté I, et al. Activation do(a) central melanocortin system chronically reduz body mass sem the necessity of longo prazo caloric restriction. Canadian Journal of Physiology and Pharmacology. 2017.
- Ford CL, McDonough AA, Horie K, Young LJ. Melanocortin agonism in a social context ativa seletivamente nucleus accumbens in an oxytocin-dependent manner. Neuropharmacology. 2024;247:109848.
- Jain S, Panyutin A, Liu N, et al. Melanotan II causes hypothermia in mice by ativacao of mast cells and estimulacao of histamine 1 receptors. American Journal of Physiology-Endocrinology and Metabolism. 2018;315(3):E357-E366.
- Wessells H, Levine N, Hadley ME, Dorr RT, Hruby VJ. Urology. 2000;56(4):641-646.
- Eliason NL, Martin L, Low MJ, Sharpe AL. Melanocortin agonista do receptor melanotan-II microinjected no(a) nucleus accumbens diminui appetitive and consumptive responding for food. Neuropeptides. 2022;96:102289.
- Minakova E, Lang J, Medel-Matus JS, et al. PLoS ONE. 2019;14(1):e0210389.
- Ter Laak MP, et al. Melanotan II promove periferico(a) regeneracao nervosa in a rat sciatic nerve crush model. 2003.
- Evans-Brown M, Dawson RT, Chandler MD, McVeigh J. Use of melanotan I and II no(a) general population. BMJ. 2009;338:b566.
- Wu JC, Tsai HE, Hsiao YH, et al. International Journal of Molecular Sciences. 2020;21(2):681.
- Dreyer BA, Amer T, Fraser M. BMJ Case Reports. 2019;12(2):e227644.
- Nelson ME, Bryant SM, Aks SE. Clinical Toxicology. 2012;50(10):1169-1173.
- Peters B, Hadimeri H, Wahlberg R, Afghahi H. CEN Case Reports. 2020;9(2):159-161.
- Sivyer GW. Dermatology Practical & Conceptual. 2012.
- Ryakhovsky VV, Khachiyan GA, Kosovova NF, et al. The primeiro(a) preparative solution phase synthesis of melanotan II. Beilstein Journal of Organic Chemistry. 2008;4:39.
- Hjuler KF, Lorentzen HF. Melanoma associado(a) com the use of melanotan-II. Dermatology. 2014;228(1):34-36.
- Giuliano F, Clement P, Droupy S, et al. Neuroscience. 2006;138(1):293-301.
- Li G, Zhang Y, Wilsey JT, Scarpace PJ. Unabated anorexic and aprimorou thermogenic responses to melanotan II in diet-induziu ratos obesos. Journal of Endocrinology. 2004;182(1):123-132.
- King SH, et al. Current Topics in Medicinal Chemistry. 2007;7(11):1111-1119.
- Wessells H, Levine N, Hadley ME, Dorr RT, Hruby VJ. International Journal of Impotence Research. 2000;12(Suppl 4):S74-S79.
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Este conteudo e fornecido apenas para fins educacionais e informativos. Os produtos sao fornecidos apenas para estudos in vitro e nao sao medicamentos, drogas ou suplementos. Nao aprovado pela FDA para prevenir, tratar ou curar qualquer condicao.
