MSPGGroup III/group II mGlu antagonist CAS# 169209-64-7 |
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Quality Control & MSDS
Number of papers citing our products
Chemical structure
3D structure
| Cas No. | 169209-64-7 | SDF | Download SDF |
| PubChem ID | 3964410 | Appearance | Powder |
| Formula | C9H11NO5S | M.Wt | 245.25 |
| Type of Compound | N/A | Storage | Desiccate at -20°C |
| Solubility | Soluble to 100 mM in 1eq. NaOH | ||
| Chemical Name | 2-amino-2-(4-sulfophenyl)propanoic acid | ||
| SMILES | CC(C1=CC=C(C=C1)S(=O)(=O)O)(C(=O)O)N | ||
| Standard InChIKey | MVDSFPIEJILRME-UHFFFAOYSA-N | ||
| Standard InChI | InChI=1S/C9H11NO5S/c1-9(10,8(11)12)6-2-4-7(5-3-6)16(13,14)15/h2-5H,10H2,1H3,(H,11,12)(H,13,14,15) | ||
| 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 | Relatively non-selective antagonist of presynaptic mGlu receptors in neonatal rat spinal cord and adult rat cerebrocortical mGlu receptors. |
MSPG Dilution Calculator
MSPG Molarity Calculator
| 1 mg | 5 mg | 10 mg | 20 mg | 25 mg | |
| 1 mM | 4.0775 mL | 20.3874 mL | 40.7747 mL | 81.5494 mL | 101.9368 mL |
| 5 mM | 0.8155 mL | 4.0775 mL | 8.1549 mL | 16.3099 mL | 20.3874 mL |
| 10 mM | 0.4077 mL | 2.0387 mL | 4.0775 mL | 8.1549 mL | 10.1937 mL |
| 50 mM | 0.0815 mL | 0.4077 mL | 0.8155 mL | 1.631 mL | 2.0387 mL |
| 100 mM | 0.0408 mL | 0.2039 mL | 0.4077 mL | 0.8155 mL | 1.0194 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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Calcium-activated sustained firing responses distinguish accessory from main olfactory bulb mitral cells.[Pubmed:22553031]
J Neurosci. 2012 May 2;32(18):6251-62.
Many mammals rely on pheromones for mediating social interactions. Recent studies indicate that both the main olfactory system (MOS) and accessory olfactory system (AOS) detect and process pheromonal stimuli, yet the functional difference between these two chemosensory systems remains unclear. We hypothesized that the main functional distinction between the MOS and AOS is the type of sensory information processing performed by each system. Here we compared the electrophysiological responses of mitral cells recorded from the accessory olfactory bulb (AOB) and main olfactory bulb (MOB) in acute mouse brain slices to various stimuli and found them markedly different. The response of MOB mitral cells to brief (0.1 ms, 1-100 V) stimulation of their sensory afferents remained transient regardless of stimulus strength, whereas sufficiently strong stimuli evoked sustained firing in AOB mitral cells lasting up to several minutes. Using EPSC-like current injections (10-100 pA, 10 ms rise time constant, 5 s decay time constant) in the presence of various synaptic blockers (picrotoxin, CGP55845, APV, DNQX, E4CPG, and MSPG), we demonstrated that this difference is attributable to distinct intrinsic properties of the two neuronal populations. The AOB sustained responses were found to be mediated by calcium-activated nonselective cationic current induced by transient intense firing. This current was found to be at least partially mediated by TRPM4 channels activated by calcium influx. We hypothesize that the sustained activity of the AOS induces a new sensory state in the animal, reflecting its social context.
Novel potent selective phenylglycine antagonists of metabotropic glutamate receptors.[Pubmed:8864696]
Eur J Pharmacol. 1996 Aug 1;309(1):71-8.
The metabotropic glutamate (mGlu) receptor antagonist properties of novel phenylglycine analogues were investigated in adult rat cortical slices (mGlu receptors negatively coupled to adenylyl cyclase), neonatal rat cortical slices and in cultured rat cerebellar granule cells (mGlu receptors coupled to phosphoinositide hydrolysis). (RS)-alpha-methyl-4-phosphonophenylglycine (MPPG), (RS)-alpha-methyl-4-sulphonophenylglycine (MSPG), (RS)-alpha-methyl-4-tetrazolylphenylglycine (MTPG), (RS)-alpha-methyl-3-carboxymethyl-4-hydroxyphenylglycine (M3CM4HPG) and (RS)-alpha-methyl-4-hydroxy-3-phosphonomethylphenylglycine (M4H3PMPG) were demonstrated to have potent and selective effects against 10 microM L-2-amino-4-phosphonobutyrate (L-AP4)- and 0.3 microM (2S,1'S,2'S)-2-(2-carboxycyclopropyl)glycine (L-CCG-1)-mediated inhibition of forskolin-stimulated cAMP accumulation in the adult rat cortex. In contrast, these compounds demonstrated either weak or no antagonism at mGlu receptors coupled to phosphoinositide hydrolysis in either neonatal rat cortex or in cultured cerebellar granule cells. These compounds thus appear to be useful discriminatory pharmacological tools for mGlu receptors and form the basis for the further development of novel antagonists.
New phenylglycine derivatives with potent and selective antagonist activity at presynaptic glutamate receptors in neonatal rat spinal cord.[Pubmed:8532166]
Neuropharmacology. 1995 Aug;34(8):851-6.
The depression of the monosynaptic excitation of neonatal rat motoneurones produced by the metabotropic glutamate receptor (mGluR) agonists (1S,3S)-1-aminocyclopentane-1, 3-dicarboxylate (ACPD) or L-2-amino-4-phosphonobutyrate (L-AP4) was antagonized by three novel phenylglycine analogues: (RS)-alpha-methyl-4-sulphonophenylglycine (MSPG), (RS)-alpha-methyl-4-phosphonophenylglycine (MPPG) and (RS)-alpha-methyl-4-tetrazolylphenylglycine (MTPG). The potencies of all the new compounds were greater than that of the previously reported (RS)-alpha-methyl-4-carboxyphenylglycine (MCPG). For L-AP4-sensitive presynaptic mGluRs, the order of antagonist potency found was MPPG > MSPG > MTPG > MCPG. In contrast, the order of antagonist potency found for (1S,3S)-ACPD-sensitive presynaptic mGluRs was MTPG > MPPG > MSPG > MCPG. To date, MPPG (KD 9.2 microM) is the most potent L-AP4-sensitive receptor antagonist yet tested on the neonatal rat spinal cord. In addition, MTPG (KD 77 microM) is the most potent antagonist yet tested for (1S,3S)-ACPD-sensitive receptors in this preparation.
