(RS)-CPP - CAS 100828-16-8
Category: Inhibitor
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Molecular Formula:
Molecular Weight:
NMDA Receptor
(RS)-CPP, a piperazin derivative, has been found to be an effective NMDA antagonist.
≥95% by HPLC
White Solid
(RS)-3-(2-Carboxypiperazin-4-yl)-propyl-1-phosphonic acid
Canonical SMILES:
1.The role of nitric oxide in striatal acetylcholine release induced by N-methyl-D-aspartate.
Ikarashi Y;Takahashi A;Ishimaru H;Shiobara T;Maruyama Y Neurochem Int. 1998 Sep;33(3):255-61.
Effect of nitric oxide (NO) on striatal acetylcholine (ACh) release induced by N-methyl-D-aspartate (NMDA) was investigated in freely moving rats by means of microdialysis. NMDA caused a significant increase in ACh release in the striatum, which was blocked by the specific NMDA receptor antagonists, (+/-)-3-(2-carboxypiperazin-4-yl)-propyl-1-phosphonic acid (CPP) and (+)-5-methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5,10-imine hydrogen maleate (MK-801), indicating that agonist-evoked increase in ACh release in the striatum was through an NMDA receptor-mediated mechanism. NG-monomethyl-L-arginine acetate salt (L-NMMA; a NO synthase inhibitor) facilitated NMDA-evoked increase in ACh release, while L-arginine (the precursor of NO) inhibited the ACh release. The increase by L-NMMA of ACh release induced by the NMDA was also blocked by L-arginine. These results suggest that NO induced by NMDA receptor-mediated mechanism in cholinergic neurons may mediate an inhibitory regulation of ACh release.
2.Proteolytic removal of the C-terminal transmembrane region of cytochrome f during extraction from turnip and charlock leaves generates a water-soluble monomeric form of the protein.
Gray JC;Rochford RJ;Packman LC Eur J Biochem. 1994 Jul 15;223(2):481-8.
Water-soluble, monomeric cytochrome f purified from leaves of turnip (Brassica rapa) and charlock (Sinapis arvensis) is approximately 3 kDa smaller than the protein in chloroplast thylakoid membranes determined by SDS/PAGE. Sequencing the N-terminal and C-terminal regions of the monomeric protein, by automated Edman degradation and carboxypeptidase P digestion, suggested the loss of 33 amino acid residues at the C-terminus by comparison to sequences of cytochrome f from other higher plants. This was confirmed by the isolation and nucleotide sequencing of the turnip petA gene and by determination of the molecular mass of the monomeric turnip protein by electrospray mass spectrometry. The turnip petA gene encodes a protein of 320 amino acid residues consisting of a presequence of 35 amino acid residues and a mature protein of 285 amino acid residues. The molecular mass of the monomeric turnip protein was 28,160.2 +/- 5.4 Da, indicating cleavage after Gln252 of the mature protein. Electrospray mass spectrometry of the monomeric charlock protein indicated the presence of two main forms with molecular masses of 28,135.1 +/- 5.5 Da and 27,750.7 +/- 4.3 Da corresponding to cleavage after Gln252 and Leu249, respectively.
3.The pharmacology of mesolimbic dopamine neurons: a dual-probe microdialysis study in the ventral tegmental area and nucleus accumbens of the rat brain.
Westerink BH;Kwint HF;deVries JB J Neurosci. 1996 Apr 15;16(8):2605-11.
Receptor-specific compounds were applied by retrograde microdialysis to the ventral tegmental area (VTA) of the rat brain. The effect of the intrategmental infusions on extracellular dopamine in the ipsilateral nucleus accumbens were recorded with a second microdialysis probe. Intrategmental infusion of muscimol (10-40 microM) or baclofen (50 microM) decreased extracellular dopamine in the nucleus accumbens. Intrategmental infusion of NMDA (1 mM, 15 min) or kainate (50 microM, 15 min) increased extracellular dopamine in the nucleus accumbens. The effects of the excitatory amino acids were suppressed by co-infusion of MK-801 (1 MM), (+)-3-amino-1-hydroxy-2-pyrrolidone [(+)-HA966; 1 mM], (+/-)-3(2-carboxypiperazin-4-yl)-propyl-1-phosphonic acid (CPP; 100 microM), and 6-cyano-7-nitroquinoxaline-2,3-dione (CNQX;300 microM). Intrategmental infusion of of carbachol (50 microM) increased extracellular dopamine in the nucleus accumbens. These results provide evidence for localization of GABAA, GABAB NMDA, non-NMDA, and cholinergic receptors on dopamine neurons in the VTA. Infusions of CPP, (+)-MK-801, (+)-HA966, CNQX, mecamylamine, atropine, or 3-[[(3,4-dichlorophenyl)methyl]propyl](diethoxymethyl) phosphonic acid (CGP 52432) into the VTA did not modify extracellular dopamine in the nucleus accumbens.
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CAS 100828-16-8 (RS)-CPP

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