If you have spent any time exploring the world of peptide research, you will likely have encountered the Melanotan family of compounds. Within that family, the MT1 10mg research peptide, formally known as Afamelanotide, occupies a unique position. It is one of the most scientifically well-characterised synthetic peptides available for laboratory research, and unlike the vast majority of research peptides, it has progressed through formal clinical trial programmes in Europe, generating a body of published pharmacokinetic and safety data that most comparable compounds simply do not have.
This guide is written for qualified researchers, laboratory professionals, and academic institutions working with melanocortin peptides as part of formal research programmes, and scientifically curious individuals who want to understand what this compound actually is and why it matters in modern biochemistry and receptor biology.
Everything discussed here relates strictly to laboratory research and scientific investigation. Ascend Peptides UK supplies the MT1 10mg research peptide and other high-purity research peptides exclusively for laboratory use, not for personal, veterinary, or clinical application.
What Is Alpha-MSH and Why Does It Matter in Research?
To fully understand the MT1 10mg research peptide, you first need to understand its parent molecule: alpha-melanocyte-stimulating hormone, or α-MSH.
Alpha-MSH is a naturally occurring neuropeptide produced in the pituitary gland and other tissues. It is derived from a larger precursor protein called proopiomelanocortin (POMC) — a single precursor molecule that gives rise to a range of biologically important peptides depending on how it is enzymatically processed. Alpha-MSH itself is a 13-amino acid peptide that plays a central role in the melanocortin signalling system, one of the most widely studied receptor networks in biomedical research.
From a research perspective, α-MSH sits at the crossroads of several major scientific fields: pigmentation biology, inflammatory signalling, immune regulation, and neuropeptide research. Its receptor, the melanocortin 1 receptor (MC1R), is one of the most extensively characterised G-protein-coupled receptors in dermatological and pigmentation science. The downstream signalling cascade that MC1R activation initiates, particularly the cAMP–MITF–tyrosinase pathway, is central to understanding how melanin synthesis is regulated at the molecular level.
This is why α-MSH and its synthetic analogues have become important tools in laboratory research, and why the melanotan research peptide category continues to attract significant scientific interest globally.
What Makes MT-1 Different from Natural Alpha-MSH?
MT-1 (Afamelanotide), the compound sold as the MT1 10mg research peptide, is a synthetic analogue of α-MSH specifically engineered to perform more consistently in laboratory research settings. It differs from the endogenous peptide in two key structural modifications:
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A substitution of leucine with norleucine at position 4 of the peptide chain (Nle4)
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A substitution of phenylalanine with its D-isomer at position 7 (D-Phe7)
These two changes, giving MT-1 its formal scientific designation of [Nle4, D-Phe7]-α-MSH, have been observed to have effects in laboratory models on how the compound behaves in research conditions. Most importantly, they significantly increase its binding affinity at the MC1R compared to native α-MSH, while also dramatically improving its resistance to enzymatic degradation. The endogenous peptide is broken down rapidly in biological systems; the synthetic analogue is far more metabolically stable, making it a more tractable experimental tool.
In practical terms, this means MT-1 provides more consistent and sustained MC1R receptor stimulation in in vitro assays without the confounding variable of rapid peptide degradation that makes native α-MSH difficult to use reliably in controlled experiments. This is why the MT1 10mg research peptide has become the preferred compound for researchers specifically investigating MC1R-mediated signalling pathways.
Who Uses the MT1 Research Peptide and For What Purpose?
The MT1 10mg research peptide is used across a range of scientific disciplines. Here are the primary research contexts in which this compound plays a documented role:
Pigmentation Biology and Melanin Synthesis Research
The most extensively studied application of MT-1 in laboratory settings is its use as an MC1R agonist in melanogenesis research. By selectively activating MC1R on melanocyte cell lines, researchers can study the complete downstream signalling cascade: MC1R activation → adenylate cyclase stimulation → intracellular cAMP elevation → MITF upregulation → tyrosinase activation → melanin synthesis.
This well-characterised pathway makes MT-1 an indispensable tool for researchers investigating pigmentation biology at the molecular level. Studies published in journals including the Journal of Investigative Dermatology and Photochemistry and Photobiology have used this mechanistic framework extensively.
Photoprotection and UV Damage Research
A significant body of preclinical and clinical research has examined MT-1 in the context of UV-induced DNA damage models. Research using cell lines and animal models has explored whether MC1R-mediated melanin upregulation influences UV-induced DNA strand breaks and cyclobutane pyrimidine dimer (CPD) formation, the standard markers of UV genotoxic damage used in photobiology research.
This is one of the most scientifically substantiated research applications for this compound, with contributions from multiple independent research groups across Europe and North America.
Inflammatory and Immune Signalling Research
Beyond pigmentation biology, MC1R has been identified in research literature as playing a modulatory role in inflammatory signalling. Several preclinical studies have explored how MC1R activation influences macrophage activity, pro-inflammatory cytokine profiles, and NF-κB pathway behaviour in in vitro experimental systems.
MT-1, with its high MC1R selectivity, provides a precise molecular tool for this type of receptor-specific investigation, an advantage it holds clearly over the non-selective Melanotan II compound.
Dermatological Cell Biology Research
Research programmes examining the relationship between MC1R activation and skin cell behaviour have used MT-1 to investigate melanocyte proliferation, differentiation, and stress response mechanisms. Studies in keratinocyte and melanocyte co-culture models have explored how MC1R signalling influences intercellular communication within skin tissue architecture — an active area of investigation in dermatological research programmes at UK and European institutions.
Independent and Scientifically Engaged Researchers
Beyond formal institutional settings, there is a growing and genuinely engaged community of scientifically minded individuals who follow peptide research with real intellectual curiosity.
Understanding how MC1R signalling influences melanin synthesis, inflammatory pathways, and cellular behaviour is a fascinating area of biochemistry that is increasingly covered in mainstream science media and peer-reviewed journals accessible to non-specialists.
Ascend Peptides UK welcomes enquiries from all legitimate research interests. Our MT1 10mg research peptide is available to order directly from our website, supplied with full documentation and clearly labelled for research use only. If you are building a programme exploring high-purity research peptides for melanocortin biology, our product pages provide full specifications and straightforward ordering.
MT-1 vs MT-2: What Every Researcher Needs to Know
One of the most important distinctions in the Melanotan research peptide category is the difference between MT-1 and MT-2. These compounds are frequently discussed together, but they are structurally and pharmacologically distinct and using one in a protocol designed for the other will produce unreliable and difficult-to-interpret results.
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Property |
MT-1 (Afamelanotide) |
MT-2 (Melanotan II) |
|---|---|---|
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Amino acid length |
13 (tridecapeptide) |
7 (heptapeptide) |
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Molecular weight |
1,647.88 g/mol |
1,024.18 g/mol |
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Molecular formula |
C78H111N21O19 |
C50H69N15O9 |
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Receptor selectivity |
MC1R (highly selective) |
MC1R, MC3R, MC4R, MC5R |
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Structure |
Linear tridecapeptide |
Cyclic heptapeptide |
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PubChem CID |
16133813 |
25077388 |
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Primary research use |
Pigmentation, photoprotection, MC1R biology |
Broad melanocortin system studies |
The most critical difference for experimental design is receptor selectivity. MT-1 is a highly selective MC1R agonist. MT-2 (Melanotan II) is a non-selective agonist that simultaneously activates MC1R, MC3R, MC4R, and MC5R. This means any experimental data generated with MT-2 reflects the combined activity of four receptor subtypes, making it impossible to attribute specific findings to MC1R signalling alone. Researchers requiring clean MC1R-specific data must use MT-1. Researchers studying broader melanocortin system effects may choose MT-2 for its wider receptor engagement profile, but must account for this in their experimental interpretation.
Structurally, the compounds also differ fundamentally: MT-1 is a linear tridecapeptide (13 amino acids) while MT-2 is a cyclic heptapeptide (7 amino acids). These architectural differences produce meaningfully different binding dynamics, metabolic stability profiles, and experimental behaviours. They are not interchangeable research tools.
How to Source MT1 10mg in the UK: What to Look For
The quality of your research compound directly determines the reliability of your experimental results. When searching for an MT-1 supplier in the UK, these are the key quality indicators every researcher should verify before purchasing:
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HPLC-verified purity: Purity should be confirmed via high-performance liquid chromatography, ideally exceeding 98% for research-grade compounds.
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Mass spectrometry identity confirmation: Verifies the peptide’s molecular weight matches the expected structure of Afamelanotide (C78H111N21O19, MW 1,647.88 g/mol).
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Lyophilised format: Freeze-dried peptides maintain stability far better than liquid formats during storage and transit.
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Batch traceability: Essential for referencing specific production lots in published research and ensuring consistency across experiments.
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Third-party independent testing: CoA documentation from an independent analytical laboratory, not just in-house testing, is the gold standard for research-grade verification.
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Research-only labelling: All legitimate peptide research products should clearly state their intended use with no therapeutic or clinical claims.
At Ascend Peptides UK, our MT1 10mg research peptide meets all of these standards. Every batch is independently tested by Janoshik, a recognised third-party analytical laboratory, with a publicly verifiable Certificate of Analysis available for every vial. We are a UK-based peptide supplier serving the research community with high-purity research peptides backed by full documentation.
Reconstituting MT1 10mg: A Laboratory Reference
MT-1 10mg is supplied in lyophilised (freeze-dried) powder form and must be reconstituted before use in laboratory assays. This section is intended as a reference for qualified research personnel working under appropriate institutional guidelines.
Common reconstitution solvents referenced in published research include:
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Sterile bacteriostatic water the most widely used option for research peptides, providing extended stability in laboratory storage conditions. Ascend Peptides UK also supplies bacteriostatic water for research, so researchers can source both compounds from a single trusted UK supplier.
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Sterile saline (0.9% NaCl) is suitable for experimental systems requiring a physiologically compatible neutral pH environment.
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0.1M acetic acid is appropriate where mildly acidic reconstitution conditions are compatible with the experimental design, particularly for peptides with limited aqueous solubility at neutral pH.
Once reconstituted, MT-1 solutions should be aliquoted into single-use volumes to preserve compound integrity. Aliquots should be stored at -20°C and protected from direct light. Repeated freeze-thaw cycles should be avoided, as these degrade peptide structure and will produce inconsistent experimental results across repeated assays.
All reconstitution and handling of this compound should be performed by qualified laboratory personnel under standard aseptic conditions and in accordance with institutional safety protocols.
Research Compliance: What UK Researchers Need to Know
The MT1 10mg research peptide is classified as a research chemical in the United Kingdom. It is not a licensed general medicine, it is not approved for human consumption, and it must not be used in any clinical, veterinary, or diagnostic context outside of properly regulated research frameworks.
In terms of regulatory background, Afamelanotide did receive European Medicines Agency (EMA) approval as a specific licensed 16mg implant formulation under the brand name Scenesse, for the rare genetic condition erythropoietic protoporphyria (EPP). This is an entirely distinct formulation and clinical application from the 10mg lyophilised research compound, and it does not extend any licensed status to the research format. What this clinical history does provide, however, is an unusually extensive published pharmacokinetic and safety dataset, a significant research resource for UK scientists working in this area.
Researchers should also be aware that MT-1 and related melanocortin peptides are listed on the World Anti-Doping Agency (WADA) Prohibited List as substances banned at all times for athletes under anti-doping regulations. Any research programme involving human subjects must account for this classification.
For any in vivo animal research conducted in the UK, full compliance with the Animals (Scientific Procedures) Act 1986 (ASPA) is mandatory. This requires valid Home Office project and personal licences, as well as full institutional ethical approval before any experimental work.
All buyers, whether institutional researchers or individual purchasers, are responsible for ensuring their acquisition and use of this compound complies with applicable UK legislation and any institutional ethics requirements. Ascend Peptides UK provides fully compliant, research-only labelled products and does not make any health, performance, or clinical claims about any compound we supply.
Why Researchers Choose Ascend Peptides UK
Ascend Peptides UK is a dedicated research peptides company built specifically to serve the needs of laboratories, research institutions, and scientifically engaged individuals across the United Kingdom. Our MT1 10mg research peptide is one of over twenty independently verified research compounds available directly from our UK-based operation.
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High-purity research peptides: Every compound is independently tested by Janoshik before dispatch, with verifiable CoA documentation.
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UK-based peptide distributor: Fast, reliable delivery across the United Kingdom, with same-day dispatch for orders placed before 4 pm.
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Comprehensive product range: Melanotan research peptides, growth hormone peptides, mitochondrial compounds, skin research peptides, and essential laboratory supplies, including bacteriostatic water.
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Full documentation: Purity certificates, batch records, and clear research-use labelling on every product, no exceptions.
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Accessible ordering: Buy directly from our website with straightforward product pages and transparent pricing.
Whether you are a laboratory scientist looking for a trusted MT1 supplier UK, a research institution building a multi-compound melanocortin study, or a scientifically engaged individual exploring the MT1 research peptide category, Ascend Peptides UK is your reliable UK source for scientific research peptides.
Conclusion:
The MT1 10mg research peptide stands out among melanocortin research compounds for a combination of reasons that few comparable peptides can match: exceptional MC1R selectivity, a well-characterised downstream signalling pathway, metabolic stability superior to the endogenous parent molecule, and an unusually rich clinical evidence base generated through the EMA-approved Afamelanotide programme. Together, these properties make it an indispensable tool across pigmentation biology, photoprotection research, inflammatory signalling studies, and dermatological cell science.
As a trusted peptide supplier UK for the research community, Ascend Peptides UK is proud to provide the MT1 10mg research peptide and a full range of high-purity research compounds to support your scientific work, each backed by independent third-party analysis and dispatched from within the United Kingdom.
Frequently Asked Questions About MT1 10mg Research Peptide
Q: What is the MT1 10mg research peptide used for?
A: The MT1 10mg research peptide (Afamelanotide) is used in laboratory settings to study melanocortin 1 receptor (MC1R) biology, melanin synthesis pathways, photoprotection mechanisms at the cellular level, inflammatory signalling, and dermatological cell behaviour. It is a synthetic analogue of alpha-melanocyte-stimulating hormone (α-MSH) supplied strictly for in-vitro and preclinical research purposes, not for human or veterinary consumption.
Q: What is the difference between MT-1 and MT-2?
A: MT-1 (Afamelanotide) is a 13-amino acid linear tridecapeptide with high selectivity for the MC1R receptor. MT-2 (Melanotan II) is a shorter 7-amino acid cyclic heptapeptide that activates MC1R, MC3R, MC4R, and MC5R simultaneously. Their receptor profiles, molecular weights, and structures differ significantly, producing different experimental outcomes. MT-1 is the appropriate choice for research specifically targeting MC1R-mediated pathways; MT-2 is used when broader melanocortin system engagement is the research objective.
Q: What receptor does MT-1 target in research?
A: MT-1 acts as a highly selective agonist at the melanocortin 1 receptor (MC1R). Upon binding, it activates the Gs protein–adenylate cyclase pathway, increasing intracellular cAMP levels, which in turn stimulates the microphthalmia-associated transcription factor (MITF) and downstream tyrosinase enzyme activity, the key regulatory mechanism in melanin synthesis research.
Q: Is MT-1 legal to buy in the UK?
A: Yes. MT-1 is legal to purchase in the United Kingdom as a research chemical for legitimate scientific and laboratory use. It is not classified as a controlled substance under UK law. However, it is not a licensed general medicine and must not be used in humans or animals outside properly regulated research frameworks. All buyers are responsible for ensuring their use complies with applicable regulations.
Q: Has MT-1 been approved by any regulatory authority?
A: Yes. Afamelanotide received European Medicines Agency (EMA) approval under the brand name Scenesse as a 16mg implant formulation specifically for erythropoietic protoporphyria (EPP) a rare genetic phototoxicity condition. This is a distinct licensed formulation and does not apply to the 10mg lyophilised research compound. It does, however, provide researchers with access to an extensive published pharmacokinetic and clinical safety dataset, unusual for a compound in the research peptide category.
Q: What are the molecular identifiers for MT-1?
A: MT-1 (Afamelanotide) has a molecular formula of C78H111N21O19 and a molecular weight of 1,647.88 g/mol. Its peptide sequence is Ac-Ser-Tyr-Ser-Nle-Glu-His-D-Phe-Arg-Trp-Gly-Lys-Pro-Val-NH2. It is registered under PubChem CID 16133813. Identity and purity are confirmed by a third-party Certificate of Analysis for every batch supplied by Ascend Peptides UK.
Q: How should MT-1 10mg be stored in a laboratory?
A: Lyophilised MT-1 10mg should be stored at 2–8°C for short-term use, or at -20°C for long-term stability. Protect from direct light and moisture, as the compound is both light-sensitive and hygroscopic. Once reconstituted, solutions should be divided into single-use aliquots and stored at -20°C. Repeated freeze-thaw cycles should be avoided to preserve peptide integrity and experimental consistency.
Q: How do you reconstitute MT-1 10mg for laboratory use?
A: MT-1 10mg is supplied as a lyophilised powder and should be reconstituted under aseptic conditions by qualified laboratory personnel. Common solvents referenced in published research include sterile bacteriostatic water (most widely used for extended stability), sterile saline (0.9% NaCl), or 0.1M acetic acid, depending on experimental requirements. Reconstituted solutions should be aliquoted and stored at -20°C, with repeated freeze-thaw cycles avoided.
Q: What is the molecular weight of MT-1?
A: MT-1 (Afamelanotide) has a molecular weight of 1,647.88 g/mol. This is significantly higher than MT-2 (Melanotan II), which has a molecular weight of 1,024.18 g/mol, reflecting their different chain lengths of 13 versus 7 amino acids, respectively. Molecular weight and identity should always be verified via mass spectrometry when sourcing from a research peptide supplier.
Q: Where can I buy MT-1 10mg in the UK?
A: MT-1 10mg is available to order from Ascend Peptides UK. We are a UK-based peptide supplier providing high-purity research peptides with full third-party verified documentation to laboratories, research institutions, and verified researchers across the United Kingdom. Orders placed before 4 pm are dispatched the same day. All products are supplied for research use only.
Q: Is MT-1 prohibited by WADA?
A: Yes. MT-1 and related melanocortin peptides are listed on the World Anti-Doping Agency (WADA) Prohibited List as substances banned at all times for athletes subject to anti-doping regulations. Researchers working in sports science or performance physiology should be fully aware of this classification when designing any study protocols involving human subjects.
DISCLAIMER
All products supplied by Ascend Peptides UK are intended strictly for research purposes only. They are not intended for human consumption or for any therapeutic, diagnostic, or clinical use. None of the items offered are classified as medicinal products by the MHRA. It is the buyer’s responsibility to ensure all purchases comply with applicable laws and regulations. Ascend Peptides UK accepts no liability for misuse.
