MT-2 Spray
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What is MT-2 Spray?
Chemical Structure of MT-2 Spray
MT-2 is a cyclic heptapeptide with the amino acid sequence Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2. The peptide contains seven amino acids forming a cyclic structure through a lactam bridge between the aspartic acid and lysine residues. Key structural features include:
- Peptide length: 7 amino acids in cyclic configuration
- Molecular type: Synthetic cyclic peptide hormone analog
- Structural modifications: Contains D-phenylalanine at position 7 and norleucine substitution at position 4
- Cyclization: Intramolecular lactam bridge creating conformational stability
- Receptor-binding motifs: His-D-Phe-Arg-Trp core sequence essential for melanocortin receptor interaction
- Formulation: Peptide dissolved in appropriate research-grade solvent system for spray delivery
The cyclic structure and amino acid modifications distinguish MT-2 from endogenous α-MSH, providing enhanced stability and receptor selectivity in laboratory applications.
What Are the Effects of MT-2 Spray?
Laboratory and preclinical studies have documented the following research applications and observed effects:
Cellular Pathways Studied:
- Melanocortin receptor activation (MC1R, MC3R, MC4R, MC5R subtypes)
- cAMP-dependent signaling cascade stimulation
- Tyrosinase enzyme activity modulation in melanocyte cultures
- Protein kinase A (PKA) pathway activation in experimental models
Mechanisms of Action:
- Competitive binding to melanocortin receptors with nanomolar affinity
- G-protein coupled receptor activation leading to adenylyl cyclase stimulation
- Transcriptional regulation of melanogenesis-related genes in vitro
- Modulation of POMC-derived peptide signaling pathways
Research Applications:
- Melanogenesis pathway investigation in cell culture systems
- Receptor pharmacology and binding affinity studies
- Signal transduction mechanism elucidation
- Comparative studies with endogenous α-MSH and related analogs
Experimental Models:
- In vitro: Melanocyte cell lines, receptor-transfected cell systems
- In vivo: Laboratory animal models for melanocortin system research
- Biochemical assays: Receptor binding, cAMP accumulation, enzyme activity
Research findings are applicable to understanding melanocortin system function, receptor pharmacology, and related physiological processes in controlled laboratory environments.
MT-2 Spray
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2026-01-20
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2026-01-16
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