| 产品名称: |
setmelanotide |
| 规格或纯度: |
Moligand™ |
| 作用类型: |
激动剂 |
| 作用机制: |
黑色素皮质受体 4 激动剂 |
| 靶点: |
MC4R:0.27 nM(EC50); MC4:2.1 nM(Ki);MelanocortinReceptor |
| 体外研究: |
Setmelanotide decreases TNF-α/IFN-γ-induced chemokine expression in astrocytes and increases IL-6 and IL-11 mRNA and protein secretion via MC4R. Setmelanotide Induces CREB phosphorylation in astrocytes and setmelanotide treated astrocytes secrete factors that are able to modulate macrophage polarization into an anti-inflammatory phenotype |
| 体内研究: |
RM-493 and liraglutide co-treatment enhances weight loss in DIO mice and hypothalamic Glp-1r expression is higher in mice treated with the combination therapy after both acute and chronic treatment. Adjunctive administration of RM-493 and liraglutide improves glucose tolerance and insulin sensitivity, lowers fasting levels of glucose and insulin and decreases cholesterol levels beyond what can be achieved with the corresponding mono-therapies |
| 细胞实验: |
Cell lines: U373 astrocytoma cells Concentrations: 0.001 μM –10 μM Incubation Time: 1h, 4 h Method: Cells were treated with 0.001–10 μM setmelanotide for 1 h and thereafter with TNF-α and IFN-γ for 4 h. For blocking experiments, 10 μM SHU9119 (26) was added 30 min before addition of setmelanotide during 4 h. Astrocytes stimulate with setmelanotide and or SHU9119 (10 μM) for 4 h, replace the medium with macrophage culture medium and add the medium to the macrophages 24 h thereafter. From the medium, 100 μL is collected in Eppendorf tubes and stored at −80°C for ELISA assays. |
| 动物实验: |
Animal Models: Diet-induced obese mice Dosages: 3.6 μmol/kg/day Administration: s.c. |
| 参考文献: |
1. Kong Y Chen, et al. RM-493, a melanocortin-4 receptor (MC4R) agonist, increases resting energy expenditure in obese individuals. J Clin Endocrinol Metab. 2015 Apr;100(4):1639-45. 2. Alwin Kamermans, et al. Setmelanotide, a Novel, Selective Melanocortin Receptor-4 Agonist Exerts Anti-inflammatory Actions in Astrocytes and Promotes an Anti-inflammatory Macrophage Phenotype. Front Immunol. 2019 Oct 4;10:2312. 3. Christoffer Clemmensen, et al. Dual melanocortin-4 receptor and GLP-1 receptor agonism amplifies metabolic benefits in diet-induced obese mice. EMBO Mol Med. 2015 Mar; 7(3): 288–298. |
| 溶解性: |
Soluble in DMSO、H2O、Ethanol |
| 配置溶液浓度参考: |
|
1mg |
5mg |
10mg |
| 1 mM |
0.895 ml |
4.475 ml |
8.95 ml |
| 5 mM |
0.179 ml |
0.895 ml |
1.79 ml |
| 10 mM |
0.09 ml |
0.448 ml |
0.895 ml |
| 50 mM |
0.018 ml |
0.09 ml |
0.179 ml |
|
| 注意: |
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