ZJ 43

GCP II and III/NAAG peptidase/NAALADase inhibitor CAS# 723331-20-2

ZJ 43

Catalog No. BCC2355----Order now to get a substantial discount!

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Quality Control of ZJ 43

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Chemical structure

ZJ 43

3D structure

Chemical Properties of ZJ 43

Cas No. 723331-20-2 SDF Download SDF
PubChem ID 11722553 Appearance Powder
Formula C12H20N2O7 M.Wt 304.3
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble in DMSO > 10 mM
Chemical Name (2S)-2-[[(1S)-1-carboxy-3-methylbutyl]carbamoylamino]pentanedioic acid
SMILES CC(C)CC(C(=O)O)NC(=O)NC(CCC(=O)O)C(=O)O
Standard InChIKey BSGWCSGMXAVYRT-YUMQZZPRSA-N
Standard InChI InChI=1S/C12H20N2O7/c1-6(2)5-8(11(19)20)14-12(21)13-7(10(17)18)3-4-9(15)16/h6-8H,3-5H2,1-2H3,(H,15,16)(H,17,18)(H,19,20)(H2,13,14,21)/t7-,8-/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.
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.
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.

Biological Activity of ZJ 43

DescriptionPotent inhibitor of glutamate carboxypeptidase II and III (GCP II and III/NAAG peptidase/NAALADase) (Ki values are 0.8 and 23 nM respectively) that inhibits the hydrolysis of NAAG (IC50 = 2.4 nM). Does not directly interact with NMDA or metabotropic glutamate receptors. Reduces neuronal degeneration in a rat model of traumatic brain injury (TBI) and reduces locomotor activity in the PCP-model of schizophrenia.

ZJ 43 Dilution Calculator

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Preparing Stock Solutions of ZJ 43

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 3.2862 mL 16.4312 mL 32.8623 mL 65.7246 mL 82.1558 mL
5 mM 0.6572 mL 3.2862 mL 6.5725 mL 13.1449 mL 16.4312 mL
10 mM 0.3286 mL 1.6431 mL 3.2862 mL 6.5725 mL 8.2156 mL
50 mM 0.0657 mL 0.3286 mL 0.6572 mL 1.3145 mL 1.6431 mL
100 mM 0.0329 mL 0.1643 mL 0.3286 mL 0.6572 mL 0.8216 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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Background on ZJ 43

IC50: 2.4 nM

ZJ-43 is a N-acetylaspartylglutamate (NAAG) peptidase inhibitor.

The peptide neurotransmitter N-acetylaspartylglutamate (NAAG) is reported to act as an agonist at group II metabotropic glutamate receptors. NAAG is inactivated by extracellular peptidase activity leading to yielding glutamate and N-acetylaspartate.

In vitro: As a potent inhibitor of glutamate carboxypeptidase II and III (GCP II and III) with Kivalues of 0.8 and 23 nM respectively, ZJ-43 inhibited the hydrolysis of NAAG via indirect interactions with NMDA or metabotropic glutamate receptors [1].

In vivo: Intravenous injection of ZJ-43 coiuld suppress both phases of the agitation behaviour induced by paw formalin injection in the rat neuropathic pain model. Moreover, intravenous administration of ZJ-43 attenuated the level of mechanical allodynia induced by the nerve ligation. These effects of ZJ-43 in both the formalin test and the partial sciatic nerve ligation model were completely antagonized by pretreatment with LY-341495, which was a highly selective group II mGluR antagonist [1].

Clinical trial: N/A

Reference:
[1] Yamamoto T1,Hirasawa S,Wroblewska B,Grajkowska E,Zhou J,Kozikowski A,Wroblewski J,Neale JH.  Antinociceptive effects of N-acetylaspartylglutamate (NAAG) peptidase inhibitors ZJ-11, ZJ-17 and ZJ-43 in the rat formalin test and in the rat neuropathic pain model. Eur J Neurosci.2004 Jul;20(2):483-94.

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References on ZJ 43

Antinociceptive effects of N-acetylaspartylglutamate (NAAG) peptidase inhibitors ZJ-11, ZJ-17 and ZJ-43 in the rat formalin test and in the rat neuropathic pain model.[Pubmed:15233757]

Eur J Neurosci. 2004 Jul;20(2):483-94.

The peptide neurotransmitter N-acetylaspartylglutamate (NAAG) acts as an agonist at group II metabotropic glutamate receptors (mGluRs). NAAG is inactivated by extracellular peptidase activity yielding glutamate and N-acetylaspartate. We recently developed a series of potent NAAG peptidase inhibitors, including ZJ-11, ZJ-17 and ZJ-43. In the present study, we examined the effects of intrathecally administered ZJ-11 and ZJ-17 and intravenously administered ZJ-11 and ZJ-43 in the rat formalin test (an inflammatory pain model) and in the rat partial sciatic nerve ligation model (a neuropathic pain model). Intrathecal injection of ZJ-11 or ZJ-17 or intravenous injection of ZJ-11 or ZJ-43 suppressed both phases of the agitation behaviour induced by paw formalin injection. Intrathecal and intravenous injection of ZJ-11 suppressed the expression of Fos-like immunoreactivity, induced by paw formalin injection, in laminae I-II in segments L4-L5 of the spinal cord, suggesting an action on sensory spinal transmission. Partial sciatic nerve ligation induced significant mechanical allodynia 7 days after the nerve injury. Intrathecal injection of ZJ-11 or ZJ-17 or intravenous administration of ZJ-11 or ZJ-43 attenuated the level of mechanical allodynia induced by this nerve ligation. These effects of intrathecally or intravenously administered ZJ compounds in both the formalin test and the partial sciatic nerve ligation model were completely antagonized by pretreatment with LY-341495, a highly selective group II mGluR antagonist. Thus, elevation of extracellular NAAG, induced by the inhibition of NAAG peptidase, activates group II mGluRs and produces an analgesic effect in neuropathic and inflammatory and pain models. In contrast, peptidase inhibition did not affect the threshold for withdrawal from a noxious mechanical stimulus or from an acute thermal stimulus in the hotplate test.

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