Lys-γ3-MSH integrates a functional melanocortin-derived motif that helps explore receptor-interaction patterns. Its hydrophobic and charged residues contribute to structured conformational states. Researchers analyze solvent effects, binding equilibria, and motif-driven folding. Use cases span peptide ligand design, structural mimicry, and receptor-binding studies.
CAT No: R2613
CAS No:156159-18-1
Synonyms/Alias:Lys-gamma3-MSH;156159-18-1;AKOS024457716;PD079568;
Lys-gamma3-MSH, also known as Lysine-gamma3-melanocyte-stimulating hormone, is a synthetic peptide derivative of the melanocortin family, specifically engineered to investigate the roles of gamma-melanocyte-stimulating hormones in various biological systems. Characterized by the inclusion of a lysine residue, this compound offers enhanced stability and unique receptor binding properties that make it highly valuable for laboratory research. As an analog of naturally occurring gamma3-MSH, Lys-gamma3-MSH provides researchers with a robust tool to dissect the molecular mechanisms underlying melanocortin receptor signaling, particularly within the context of energy homeostasis, pigmentation, and inflammation. Its well-defined structure and predictable behavior in experimental settings have made it an essential reagent for advancing the understanding of peptide-receptor interactions and their downstream effects.
Receptor Pharmacology Studies: Lys-gamma3-MSH is widely utilized in receptor pharmacology to elucidate the specificity and affinity of melanocortin receptors, particularly MC3R and MC4R. By selectively activating or inhibiting these receptors, researchers can delineate the signaling pathways and physiological responses mediated by different melanocortin peptides. This process is critical for mapping the nuanced roles of various receptor subtypes in cellular communication and for identifying potential targets for therapeutic intervention in metabolic and neuroendocrine disorders. The peptide's structural modifications, including the lysine substitution, enable fine-tuned investigations into receptor-ligand interactions, offering detailed insights that are not easily achievable with endogenous ligands alone.
Metabolic Regulation Research: In the field of metabolic regulation, Lys-gamma3-MSH serves as a potent investigative tool for studying appetite control, energy expenditure, and adiposity. By modulating melanocortin pathways in animal and cellular models, scientists can observe changes in feeding behavior, lipid metabolism, and glucose homeostasis. These studies are instrumental in unraveling the complex neuropeptide networks that govern body weight and energy balance. The ability of this peptide to selectively interact with melanocortin receptors allows for targeted exploration of metabolic processes, facilitating the identification of novel molecular mechanisms that contribute to obesity and related metabolic disorders.
Pigmentation Pathways Analysis: Researchers frequently employ Lys-gamma3-MSH in the analysis of pigmentation pathways, given the melanocortin system's established role in melanogenesis. By introducing this peptide into melanocyte cultures or skin models, investigators can stimulate or inhibit melanin synthesis and assess the downstream effects on pigment production. These experiments are vital for understanding the regulation of skin color, the response to ultraviolet radiation, and the pathophysiology of pigmentary disorders. The unique properties of this analog make it particularly suitable for dissecting the differential effects of melanocortin peptides on pigment cell biology and for evaluating potential agents that modulate pigmentation.
Neuroinflammatory Mechanism Studies: The application of Lys-gamma3-MSH extends to neuroinflammation research, where it is used to probe the anti-inflammatory properties of melanocortin peptides in neural tissues. By administering the compound in vitro or in animal models, scientists can examine its effects on cytokine release, microglial activation, and neuronal protection. These studies contribute to a deeper understanding of how neuropeptides influence immune responses in the central nervous system and help identify pathways that may be targeted to mitigate neuroinflammatory conditions. The peptide's ability to modulate both immune and neuronal signaling renders it a valuable asset in the quest to unravel the complexities of brain-immune interactions.
Signal Transduction Investigation: Lys-gamma3-MSH is also instrumental in broader signal transduction studies, where it is used to explore the downstream effects of melanocortin receptor activation on intracellular signaling cascades. By tracking the activation of second messengers such as cyclic AMP, protein kinase A, and MAP kinases, researchers can map the intricate web of molecular events triggered by receptor engagement. This knowledge is crucial for understanding how extracellular signals are translated into specific cellular responses and for identifying points of intervention in disease-related signaling networks. The specificity and versatility of this peptide make it an indispensable tool for advancing signal transduction research across multiple biological systems.
Behavioral and Cognitive Function Research: In addition to its established roles, Lys-gamma3-MSH is increasingly being adopted in studies focused on behavioral and cognitive functions. By modulating melanocortin pathways in relevant animal models, researchers can assess changes in learning, memory, stress response, and social behaviors. These investigations shed light on the broader impact of melanocortin signaling in the central nervous system and provide a foundation for future studies into neuropsychiatric and neurodevelopmental disorders. The unique pharmacological profile of the peptide, combined with its capacity to selectively activate melanocortin receptors, ensures its continued importance in the exploration of complex brain functions and behavioral phenotypes.
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