BIBO 3304 trifluoroacetateNPY Y1 receptor antagonist,highly selective CAS# 191868-14-1 |
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Quality Control & MSDS
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| Cas No. | 191868-14-1 | SDF | Download SDF |
| PubChem ID | 5311022 | Appearance | Powder |
| Formula | C29H35N7O3 | M.Wt | 529.6 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Solubility | Soluble to 100 mM in DMSO and to 100 mM in ethanol | ||
| Chemical Name | (2R)-N-[[4-[(carbamoylamino)methyl]phenyl]methyl]-5-(diaminomethylideneamino)-2-[(2,2-diphenylacetyl)amino]pentanamide | ||
| SMILES | C1=CC=C(C=C1)C(C2=CC=CC=C2)C(=O)NC(CCCN=C(N)N)C(=O)NCC3=CC=C(C=C3)CNC(=O)N | ||
| Standard InChIKey | TVMJSGGZULFVCZ-XMMPIXPASA-N | ||
| Standard InChI | InChI=1S/C29H35N7O3/c30-28(31)33-17-7-12-24(26(37)34-18-20-13-15-21(16-14-20)19-35-29(32)39)36-27(38)25(22-8-3-1-4-9-22)23-10-5-2-6-11-23/h1-6,8-11,13-16,24-25H,7,12,17-19H2,(H,34,37)(H,36,38)(H4,30,31,33)(H3,32,35,39)/t24-/m1/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 | High affinity NPY Y1 receptor antagonist (IC50 values are 0.38 and 0.72 nM at human and rat receptors respectively) that displays > 2600-fold selectivity over Y2, Y4 and Y5 receptors. Inhibits NPY- and fasting-induced feeding in vivo following central administration. Also antagonizes anxiolytic-like effects of NPY. |
BIBO 3304 trifluoroacetate Dilution Calculator
BIBO 3304 trifluoroacetate Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 1.8882 mL | 9.4411 mL | 18.8822 mL | 37.7644 mL | 47.2054 mL |
| 5 mM | 0.3776 mL | 1.8882 mL | 3.7764 mL | 7.5529 mL | 9.4411 mL |
| 10 mM | 0.1888 mL | 0.9441 mL | 1.8882 mL | 3.7764 mL | 4.7205 mL |
| 50 mM | 0.0378 mL | 0.1888 mL | 0.3776 mL | 0.7553 mL | 0.9441 mL |
| 100 mM | 0.0189 mL | 0.0944 mL | 0.1888 mL | 0.3776 mL | 0.4721 mL |
| * Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations. | |||||
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BIBO 3304 is a high affinity NPY Y1 receptor antagonist with IC50 values of 0.72 and 0.38 nM at rat and human receptors respectively [1].
Neuropeptide Y is a 36 amino acid polypeptide that is expressed in the hypothalamus. It is an endocrine and neuronal messenger involved in many physiological processes such as elevates blood pressure and stimulates food intake [1].
BIBO 3304 displayed high affinity (IC50=0.69+0.16 nM) for the human Y1 receptor stably expressed in BHK cells and a higher affinity(IC50=0.38+0.06 nM) for SK-N-MC cells, a human neuroblastoma cell line endogenously expressing the Y1 receptor. BIBO 3304 exhibited selective binding to the Y1 receptor subtype and more than 1000 ± 10,000-fold lower affinity for the human Y2 receptor, the human and rat Y4 receptor as well as the human and rat Y5 receptor. In SK-N-MC cells, the NPY induced inhibition of cAMP synthesis was antagonized by 100 nM BIBO 3304 with a pKb of 9.1+0.4 [1].
In a rat model, BIBO 3304 inhibited feeding response mediated by 1mg NPY in a dose-dependent way. A dose of 30mg caused an approximately 50% inhibition (1.87+0.3 g, n=18). BIBO 3304 (30mg) had no effect on noradrenaline or galanin induced feeding. However, it can block the feeding response mediated by NPY (2 ± 36) (1mg), NPY (3 ± 36) (1mg) and [Leu31, Pro34]NPY (2mg) [1]. BIBO 3304 also antagonizes anxiolytic-like effects of NPY in the basolateral nucleus of the amygdala in rats [2].
References:
[1]. Wieland HA, Engel W, Eberlein W, et al. Subtype selectivity of the novel nonpeptide neuropeptide Y Y1 receptor antagonist BIBO 3304 and its effect on feeding in rodents. Br J Pharmacol, 1998, 125(3): 549-55.
[2]. Sajdyk TJ, Vandergriff MG, Gehlert DR. Amygdalar neuropeptide Y Y1 receptors mediate the anxiolytic-like actions of neuropeptide Y in the social interaction test. Eur J Pharmacol, 1999, 5;368(2-3): 143-147.
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Receptor subtypes Y1 and Y5 mediate neuropeptide Y induced feeding in the guinea-pig.[Pubmed:11959807]
Br J Pharmacol. 2002 Apr;135(8):2029-37.
1. Neuropeptide Y (NPY) is one of the most potent stimulants of food intake. It has been debated which receptor subtype mediates this response. Initially Y(1) was proposed, but later Y(5) was announced as a 'feeding' receptor in rats and mice. Very little is known regarding other mammals. The present study attempts to characterize the role of NPY in feeding behaviour in the distantly related guinea-pig. When infused intracerebroventricularly, NPY dose-dependently increased food intake. 2. PYY, (Leu(31),Pro(34))NPY and NPY(2 - 36) stimulated feeding, whereas NPY(13 - 36) had no effect. These data suggest that either Y(1) or Y(5) receptors or both may mediate NPY induced food intake in guinea-pigs. 3. The Y(1) receptor antagonists, BIBO 3304 and H 409/22 displayed nanomolar affinity for the Y(1) receptor (K(i) values 1.1+/-0.2 nM and 5.6+/-0.9 nM, respectively), but low affinity for the Y(2) or Y(5) receptors. When guinea-pigs were pretreated with BIBO 3304 and H 409/22, the response to NPY was inhibited. 4. The Y(5) antagonist, CGP 71683A had high affinity for the Y(5) receptor (K(i) 1.3+/-0.05 nM) without having any significant activities at the Y(1) and Y(2) receptors. When CGP 71683A was infused into brain ventricles, the feeding response to NPY was attenuated. 5. The present study shows that NPY stimulates feeding in guinea-pigs through Y(1) and Y(5) receptors. As the guinea-pig is very distantly related to the rat and mouse, this suggests that both Y(1) and Y(5) receptors may mediate NPY-induced hyperphagia also in other orders of mammals.
Amygdalar neuropeptide Y Y1 receptors mediate the anxiolytic-like actions of neuropeptide Y in the social interaction test.[Pubmed:10193650]
Eur J Pharmacol. 1999 Mar 5;368(2-3):143-7.
The effects of intra-amygdalar neuropeptide Y infusions were assessed in rats using the social interaction test. Neuropeptide Y administered into the central nucleus of the amygdala did not alter behavior, while injections into the basolateral nucleus of the amygdala produced an increased social interaction time. Furthermore, the anxiolytic-like effect was antagonized by co-administration of the potent neuropeptide Y Y1 receptor antagonist ((R)-N-[[4-(aminocarbonylaminomethyl)-phenyl]methyl]-N2-(diphen ylacetyl)-argininamide trifluoroacetate) 3304, but not with the inactive enantiomer ((R)-N-[[4-(aminocarbonylaminomethyl)-phenyl]methyl]-N2-(diphen ylacetyl)-argininamide trifluoroacetate) 3457. Therefore, neuropeptide Y produces an anxiolytic-like effect in the social interaction test through neuropetide Y Y1 receptors located in the basolateral amygdala.
Subtype selectivity of the novel nonpeptide neuropeptide Y Y1 receptor antagonist BIBO 3304 and its effect on feeding in rodents.[Pubmed:9806339]
Br J Pharmacol. 1998 Oct;125(3):549-55.
1. The novel Y1-selective argininamide derivative BIBO 3304 ((R)-N-[[4-(aminocarbonylaminomethyl)-phenyl]methyl]-N2-(diphen ylacetyl)-argininamide trifluoroacetate) has been synthesized and was examined for its subtype selectivity, its in vitro antagonistic properties and its food intake inhibitory properties. 2. BIBO 3304 displayed subnanomolar affinity for both the human and the rat Y1 receptor (IC50 values 0.38+/-0.06 nM and 0.72+/-0.42 nM, respectively). The inactive enantiomer of BIBO 3304 (BIBO 3457) had low affinity for both the human and rat Y1 receptor subtype (IC50> 1000 nM). BIBO 3304 showed low affinity for the human Y2 receptor, human and rat Y4 receptor as well as for the human and rat Y5 receptor (IC50 values > 1000 nM). 3. 30 microg BIBO 3304 administered into the paraventricular nucleus inhibited the feeding response induced by 1 microg NPY as well as the hyperphagia induced by a 24 h fast implying a role for Y1 receptors in NPY mediated feeding. The inactive enantiomer had no effect. 4. BIBO 3304 inhibits neither the galanin nor the noradrenaline induced orexigenic response. but it blocked feeding behaviour elicited by both [Leu31, Pro24]NPY and NPY (3 36) suggesting an interplay between different NPY receptor subtypes in feeding behavior. 5. The present study reveals that BIBO 3304 is a subtype selective nonpeptide antagonist with subnanomolar affinity for the Y1 receptor subtype that significantly inhibits food intake induced by application of NPY or by fasting.
