MCL 0020Selective MC4 receptor antagonist CAS# 475498-26-1 |
- C646
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| Cas No. | 475498-26-1 | SDF | Download SDF |
| PubChem ID | 9938789 | Appearance | Powder |
| Formula | C34H39N7O4 | M.Wt | 609.73 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Solubility | Soluble to 2 mg/ml in 25% ethanol / water | ||
| Sequence | XRX (Modifications: X-1 = Ac-D-2-Nal, X-3 = 2-Nal & C-terminal amide) | ||
| Chemical Name | (2S)-2-[[(2R)-2-acetamido-3-naphthalen-2-ylpropanoyl]amino]-N-[(2R)-1-amino-3-naphthalen-2-yl-1-oxopropan-2-yl]-5-(diaminomethylideneamino)pentanamide | ||
| SMILES | CC(=O)NC(CC1=CC2=CC=CC=C2C=C1)C(=O)NC(CCCN=C(N)N)C(=O)NC(CC3=CC4=CC=CC=C4C=C3)C(=O)N | ||
| Standard InChIKey | FJFLYSMWSRRMRO-FRXPANAUSA-N | ||
| Standard InChI | InChI=1S/C34H39N7O4/c1-21(42)39-30(20-23-13-15-25-8-3-5-10-27(25)18-23)33(45)40-28(11-6-16-38-34(36)37)32(44)41-29(31(35)43)19-22-12-14-24-7-2-4-9-26(24)17-22/h2-5,7-10,12-15,17-18,28-30H,6,11,16,19-20H2,1H3,(H2,35,43)(H,39,42)(H,40,45)(H,41,44)(H4,36,37,38)/t28-,29+,30+/m0/s1 | ||
| General tips | For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months. We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months. Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it. |
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| About Packaging | 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial. 2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial. 3. Try to avoid loss or contamination during the experiment. |
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| Shipping Condition | Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request. | ||
| Description | Potent and selective melanocortin MC4 receptor antagonist (IC50 values are 11.63, 1115 and > 10 000 nM at MC4, MC3 and MC1 receptors respectively). Significantly reverses stress-induced anorexia but has no effect on food intake in free-feeding rats. Exhibits anxiolytic-like activity in vivo. |
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Involvement of the melanocortin MC4 receptor in stress-related behavior in rodents.[Pubmed:12909200]
Eur J Pharmacol. 2003 Aug 1;474(1):95-101.
The melanocortin subtype 4 (MC4) receptor has been postulated to be involved in stress and stress-related behavior. We made use of melanocortin MC4 receptor agonists and antagonist to investigate the relationship between the melanocortin MC4 receptor and stress related disorders. The nonspecific melanocortin receptor agonist alpha-melanocyte stimulating hormone (alpha-MSH) and the melanocortin MC4 receptor agonist, Ac-[Nle4,Asp5,D-Phe7,Lys10]alpha-MSH-(4-10)-NH2 (MT II) dose-dependently and significantly reduced the number of licking periods in the rat Vogel conflict test, suggesting that stimulation of the melanocortin MC4 receptor causes anxiogenic-like activity in rats. We synthesized a peptidemimetic melanocortin MC4 receptor selective antagonist, Ac-D-2Nal-Arg-2Nal-NH2 (MCL0020), which has high affinity for the melanocortin MC4 receptor with IC50 values of 11.63 +/- 1.48 nM, in contrast, the affinities for melanocortin MC1 and MC3 receptors were negligible. In addition, MCL0020 significantly attenuated the cAMP formation induced by alpha-MSH in COS-1 cells expressing the melanocortin MC4 receptor without affecting basal cAMP contents. Thus, we considered MCL0020 to be a selective melanocrotin MC4 receptor antagonist among melanocortin receptors. Restraint stress significantly reduced food intake in rats, and i.c.v. administration of MCL0020 dose-dependently and significantly attenuated restraint stress-induced anorexia without affecting food intake. Swim stress induced reduction in the time spent in the light area in the mouse light/dark exploration test, and MCL0020 significantly prevented it. Taken together our findings suggest that the melanocortin MC4 receptor might be related to stress-induced changes in behavior, and blockade of the melanocortin MC4 receptor may prevent stress-induced disorders such as anxiety.
