PMPA


Catalog No. size PriceQuantity
M6520-2 2mg solid $77
M6520-10 10mg solid $320

Description

Cas:173039-10-6

Product Information:

PMPA is a NAALADase inhibitor. PMPA increases threshold for electroconvulsions and enhances the antiseizure action of valproate against maximal electroshock-induced seizures in mice. Inhibition of NAALADase by 2-PMPA attenuates cocaine-induced relapse in rats: a NAAG-mGluR2/3-mediated mechanism. PMPA attenuates magnetic resonance BOLD signals in brain of anesthetized mice: evidence of a link between neuron NAAG release and hyperemia.

 

Chemical Formula: C6H11O7P

 

Exact Mass: 226.0242

 

Molecular Weight: 226.1208

 

Elemental Analysis: C, 31.87; H, 4.90; O, 49.53; P, 13.70

 

Synonym:

 

PMPA

NAALADase inhibitor

PMPA sodium

 

Chemical Name: 

2-(phosphonomethyl)pentanedioic acid

 

InChi Key:

ISEYJGQFXSTPMQ-UHFFFAOYSA-N

 

InChi Code: 

InChI=1S/C6H11O7P/c7-5(8)2-1-4(6(9)10)3-14(11,12)13/h4H,1-3H2,(H,7,8)(H,9,10)(H2,11,12,13)

 

Smiles Code:

O=C(O)C(CP(O)(O)=O)CCC(O)=O

 

 

Technical Data:

 

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

 

In Vitro:

2-PMPA is a potent and selective inhibitor of GCPII, an enzyme which catabolizes the abundant neuropeptide N-acetyl-aspartyl-glutamate (NAAG) to N-acetylaspartate (NAA) and glutamate. 2-PMPA demonstrates robust efficacy in numerous animal models of neurological disease. 2-PMPA is a highly polar compound with multiple negative charges causing significant challenges for analysis in biological matrices. 2-PMPA reduces ketamine-induced decrease of cell viability and increase of LDH levels in the mixed cultures but not in the neuronal cultures.

 

In Vivo:

Intraperitoneal administration of 100 mg/kg 2-PMPA results in maximum concentration in plasma of 275 μg/mL at 0.25 h. The half-life, area under the curve, apparent clearance, and volume of distribution are 0.64 h, 210 μg×h/mL, 7.93 mL/min/kg, and 0.44 L/kg, respectively. 2-PMPA at 250 mg/kg, in an anesthetized mouse, after an initial rise, produces a rapid decline and a striking attenuation in BOLD signals in gray matter. The signature of 2-PMPA on brain T2* signals in gray matter at both 167 and 250 mg/kg includes a significant initial rise lasting several minutes. 2-PMPA has neuroprotective activity in an animal model of stroke and anti-allodynic activity in CCI model. Administration of 2-PMPA (50mg/kg) produces a mean peak concentration of 2-PMPA of 29.66±8.1 μM. This concentration is about 100,000 fold more than is needed for inhibition of NAAG peptidase, and indicates very good penetration to the brain. Administration of 50 mg/kg 2-PMPA (i.p.) produces a continuously increasing extracellular NAAG concentration, which startes directly after application.

 

 

References

 

  1. Phosphonomethylpentanedioic Acid (2-PMPA). J Med Chem. 2016 Mar 24;59(6):2810-9. doi: 10.1021/acs.jmedchem.6b00062. PubMed PMID: 26930119.

 

  1. Rais R, Rojas C, Wozniak K, Wu Y, Zhao M, Tsukamoto T, Rudek MA, Slusher BS. Bioanalytical method for evaluating the pharmacokinetics of the GCP-II inhibitor 2-phosphonomethyl pentanedioic acid (2-PMPA). J Pharm Biomed Anal. 2014 Jan;88:162-9. doi: 10.1016/j.jpba.2013.08.028. PubMed PMID: 24055700; PubMed Central PMCID: PMC3891469.

 

  1. Lee SK, Kim H, Cheong YH, Kim MJ, Jo SA, Youn HS, Park SI. S1 pocket of glutamate carboxypeptidase II: a new binding site for amyloid-β degradation. Biochem Biophys Res Commun. 2013 Sep 6;438(4):765-71. doi: 10.1016/j.bbrc.2013.07.059. PubMed PMID: 23891752.

 

  1. Popik P, Kozela E, Wróbel M, Wozniak KM, Slusher BS. Morphine tolerance and reward but not expression of morphine dependence are inhibited by the selective glutamate carboxypeptidase II (GCP II, NAALADase) inhibitor, 2-PMPA. Neuropsychopharmacology. 2003 Mar;28(3):457-67. PubMed PMID: 12629525.

 

Products are for research use only. Not for human use.

 

 

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