MELANOTAN II

Chemical Makeup:

• Molecular Formula: C50, H69, N15, O9
• Molecular Weight: 1024.18 g/mol2
• Synonyms: MT-II, Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2, Melanotan-2

Sequence:

• Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-NH24

[MELANOTAN II] and Sexual Function

Research utilizing rodent models suggests that Melanotan II may influence sexual behavior through central nervous system pathways. In studies involving male rats, administration of the peptide was observed to facilitate erectile activity. This effect is hypothesized to be mediated primarily through the activation of MC4 receptors in the cavernous nerve and the medial preoptic area of the brain. Unlike phosphodiesterase inhibitors, which act peripherally on the vascular system, Melanotan II appears to initiate a signal cascade within the central nervous system that promotes physiological arousal.

[MELANOTAN II] and Pigmentation

The interaction between Melanotan II and the MC1 receptor on melanocytes has been a focal point of dermatological research. Activation of the MC1 receptor initiates melanogenesis, the process by which the pigment melanin is produced. In vitro and in vivo studies indicate that Melanotan II stimulates the synthesis of eumelanin, the photoprotective pigment responsible for skin darkening. Research suggests this mechanism could potentially offer a protective effect against ultraviolet (UV) radiation-induced DNA damage, although this remains a subject of ongoing investigation in photobiology.

[MELANOTAN II] and Appetite Regulation

Studies investigating metabolic regulation indicate that Melanotan II exerts anorexigenic (appetite-suppressing) effects in animal subjects. By binding to MC3 and MC4 receptors in the hypothalamus, specifically within the arcuate nucleus, the peptide has been shown to inhibit food intake. In murine models of diet-induced obesity, administration of Melanotan II was correlated with a reduction in visceral adipose tissue and an improvement in insulin sensitivity, suggesting a potential role for melanocortin agonists in the study of metabolic syndrome and energy balance.

[MELANOTAN II] and Energy Homeostasis

Beyond caloric intake, research indicates that Melanotan II may influence total energy expenditure. It has been observed that activation of the central melanocortin system enhances sympathetic nervous system outflow to brown adipose tissue, thereby promoting thermogenesis and lipid oxidation. Comparisons in knout-out mice models lacking the MC4 receptor have demonstrated that the integrity of this receptor pathway is essential for the lipolytic and thermogenic effects observed following Melanotan II administration.

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Side Effects:

In animal studies and limited human trials, adverse effects associated with Melanotan II administration have been documented. Common physiological responses observed include facial flushing, nausea, and emesis, which are often dose-dependent. Additionally, yawning and stretching behaviors have been noted in rodent models following central administration. Spontaneous erectile activity has been recorded in male subjects. Long-term safety data regarding potential effects on the cardiovascular system or pigmented lesion morphology is currently limited.

Disclaimer: ALL PRODUCTS ARE FOR RESEARCH USE ONLY (RUO). 

The content provided on this page is for educational and informational purposes only. This product is not a drug, supplement, food, or cosmetic and is not intended for the diagnosis, treatment, cure, or prevention of any disease. It is strictly intended for laboratory research and development use by qualified professionals. Not for human consumption or use.