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3-Nitropropionic acid

Irreversible mitochondrial respiratory complex II inhibitor CAS# 504-88-1

3-Nitropropionic acid

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Quality Control of 3-Nitropropionic acid

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Chemical structure

3-Nitropropionic acid

3D structure

Chemical Properties of 3-Nitropropionic acid

Cas No. 504-88-1 SDF Download SDF
PubChem ID 1678 Appearance Powder
Formula C3H5NO4 M.Wt 119.08
Type of Compound N/A Storage Desiccate at -20°C
Solubility DMSO : ≥ 130 mg/mL (1091.70 mM)
*"≥" means soluble, but saturation unknown.
SMILES C(C[N+](=O)[O-])C(=O)O
Standard InChIKey WBLZUCOIBUDNBV-UHFFFAOYSA-N
Standard InChI InChI=1S/C3H5NO4/c5-3(6)1-2-4(7)8/h1-2H2,(H,5,6)
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 3-Nitropropionic acid

DescriptionIrreversible mitochondrial respiratory complex II (succinate dehydrogenase) inhibitor; induces autophagy in SH-SY5Y cells. Recapitulates Huntington's disease-like pathology and symptoms in primate and rodent models.

3-Nitropropionic acid Dilution Calculator

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Preparing Stock Solutions of 3-Nitropropionic acid

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 8.3977 mL 41.9886 mL 83.9772 mL 167.9543 mL 209.9429 mL
5 mM 1.6795 mL 8.3977 mL 16.7954 mL 33.5909 mL 41.9886 mL
10 mM 0.8398 mL 4.1989 mL 8.3977 mL 16.7954 mL 20.9943 mL
50 mM 0.168 mL 0.8398 mL 1.6795 mL 3.3591 mL 4.1989 mL
100 mM 0.084 mL 0.4199 mL 0.8398 mL 1.6795 mL 2.0994 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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References on 3-Nitropropionic acid

Simultaneous blockade of NMDA receptors and PARP-1 activity synergistically alleviate immunoexcitotoxicity and bioenergetics in 3-nitropropionic acid intoxicated mice: Evidences from memantine and 3-aminobenzamide interventions.[Pubmed:28322842]

Eur J Pharmacol. 2017 May 15;803:148-158.

Interlink between excitotoxicity and cellular bioenergetics depletion is implicated as one of the central deteriorative pathways in many neurodegenerative diseases including Huntington's disease (HD). Chronic administration of 3-Nitropropionic acid (3-NP) depletes ATP and NAD(+;) and increases TNFalpha, IL-6 and glutamate content resulting in "immunoexcitotoxicity". Present study was designed to determine whether the combination of memantine (MN) and 3-aminobenzamide (3-AB), PARP inhibitor, can ameliorate immunoexcitotoxicity and improve bioenergetics in a better manner than individual administration against 3-NP intoxication in mice. Animals were divided into eight groups (n =20/group) and allocated to different treatment protocols. 3-NP (10mg/kg, i.p.) was administered once in 4 days interval for a period of 28 days (total dose: 70mg/kg; in seven divided doses). Striatal succinate dehydrogenase (SDH), ATP and NAD levels (as bioenergetic markers); glutamate, microglial marker (IBA-1), astroglial marker (GFAP), cytokines (TNF-alpha and IL-6), and neurotrophin (BDNF) as immunoexcitotoxicity components were measured. Combination treatment (MN +3-AB) decreased brain glutamate, down-regulated IBA-1, up-regulated GFAP and BDNF expressions in 3-NP intoxicated mice. Further, combination (COM) treatment restored ATP/NAD and SDH activity, and also improved motor performance; and thus conferred a synergetic neuroprotection than individual treatments. To conclude, simultaneous blockade of NMDAr and suppression of PARP activity is necessary to ameliorate immunoexcitotoxicity and improve bioenergetics in 3-NP induced neurodegeneration. Treatment with MN+3-AB can be an efficient regimen in the symptomatic management of HD, at least partly.

Mice deficient in L-12/15 lipoxygenase show increased vulnerability to 3-nitropropionic acid neurotoxicity.[Pubmed:28229935]

Neurosci Lett. 2017 Mar 16;643:65-69.

Considerable evidence supports a contributory role for leukocyte-type 12/15 Lipoxygenase (L-12/15 LO) in mediating hippocampal and cortical neuronal injury in models of Alzheimer's disease and stroke. Whether L-12/15 LO contributes to neuronal injury in a model of Huntington's disease (HD) has yet to be determined. HD is characterized by marked striatal neuronal loss, which can be mimicked in humans and animals by inhibition of mitochondrial complex II using 3-Nitropropionic acid (3-NP). Herein, we compared histological and behavioral outcomes between mice that were wild-type or null for L-12/15 LO following systemic injection of 3NP. We found that mice deficient in L-12/15 LO had a higher incidence of striatal lesions coincident with an increase in morbidity as compared to their wild-type littermate controls. This could not be explained by differential metabolism of 3-NP as striatal succinate dehydrogenase activity was inhibited to the same extent in both genotypes. The present results show that deleting L-12/15 LO is detrimental to the striatum in the setting of chronic, systemic 3-NP exposure and are consistent with the overall conclusion that region-specific effects may determine the ultimate outcome of L-12/15 LO activation in the setting of brain injury.

Neuroprotective effect of WIN55,212-2 against 3-nitropropionic acid-induced toxicity in the rat brain: involvement of CB1 and NMDA receptors.[Pubmed:28337258]

Am J Transl Res. 2017 Feb 15;9(2):261-274. eCollection 2017.

The endocannabinoid system (ECS), and agonists acting on cannabinoid receptors (CBr), are known to regulate several physiological events in the brain, including modulatory actions on excitatory events probably through N-methyl-D-aspartate receptor (NMDAr) activity. Actually, CBr agonists can be neuroprotective. The synthetic CBr agonist WIN55,212-2 acts mainly on CB1 receptor. In turn, the mitochondrial toxin 3-Nitropropionic acid (3-NP) produces striatal alterations in rats similar to those observed in the brain of Huntington's disease patients. Herein, the effects of WIN55,212-2 were tested on different endpoints of the 3-NP-induced toxicity in rat brain synaptosomes and striatal tissue. Motor activity was also evaluated. The 3-NP (1 mM)-induced mitochondrial dysfunction and lipid peroxidation was attenuated by WIN55,212-2 (1 microM) in synaptosomal fractions. The intrastriatal bilateral injection of 3-NP (500 nmol/microL) to rats increased lipid peroxidation and locomotor activity, augmented the rate of cell damage, and decreased the striatal density of neuronal cells. These alterations were accompanied by transcriptional changes in the NMDA (NR1 subunit) content. The administration of WIN55212-2 (1 mg/kg, i.p.) to rats for six consecutive days, before the 3-NP injection, exerted preventive effects on all alterations elicited by the toxin. The prevention of the 3-NP-induced NR1 transcriptional alterations by the CBr agonist together with the increase of CB1 content suggest an early reduction of the excitotoxic process via CBr activation. Our results demonstrate a protective role of WIN55,212-2 on the 3-NP-induced striatal neurotoxicity that could be partially related to the ECS stimulation and induction of NMDAr hypofunction, representing an effective therapeutic strategy at the experimental level for further studies.

Spatiotemporal expression of osteopontin in the striatum of rats subjected to the mitochondrial toxin 3-nitropropionic acid correlates with microcalcification.[Pubmed:28345671]

Sci Rep. 2017 Mar 27;7:45173.

Our aim was to elucidate whether osteopontin (OPN) is involved in the onset of mineralisation and progression of extracellular calcification in striatal lesions due to mitochondrial toxin 3-Nitropropionic acid exposure. OPN expression had two different patterns when observed using light microscopy. It was either localised to the Golgi complex in brain macrophages or had a small granular pattern scattered in the affected striatum. OPN labelling tended to increase in number and size over a 2-week period following the lesion. Ultrastructural investigations revealed that OPN is initially localised to degenerating mitochondria within distal dendrites, which were then progressively surrounded by profuse OPN on days 7-14. Electron probe microanalysis of OPN-positive and calcium-fixated neurites indicated that OPN accumulates selectively on the surfaces of degenerating calcifying dendrites, possibly via interactions between OPN and calcium. In addition, 3-dimensional reconstruction of OPN-positive neurites revealed that they are in direct contact with larger OPN-negative degenerating dendrites rather than with fragmented cell debris. Our overall results indicate that OPN expression is likely to correlate with the spatiotemporal progression of calcification in the affected striatum, and raise the possibility that OPN may play an important role in the initiation and progression of microcalcification in response to brain insults.

Mitochondrial impairment induced by 3-nitropropionic acid is enhanced by endogenous metalloprotease activity inhibition in cultured rat striatal neurons.[Pubmed:23643981]

Neurosci Lett. 2013 Jun 24;546:16-20.

Metalloproteases from the metzincin family mediate molecule processing at the cell membrane termed ectodomain shedding (ES). This mechanism enables the generation of intracellular and extracellular fragments from cell membrane molecules that exert additional functions involved in cell processes including cell death, beyond those of full length molecules. Micotoxin 3-Nitropropionic acid (3-NP) induces striatal neuronal degeneration in vivo and in vitro through mitochondrial complex II inhibition. In this study, we hypothesized that metalloproteases regulate mitochondrial activity in cultured rat striatal neurons undergoing degeneration. To test this idea, striatal neuronal cultures characterized by NeuN and GAD-67 expression were treated with 3-NP together with the metalloprotease inhibitor GM6001 and their mitochondrial activity was evaluated by 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay. Our results showed that metalloprotease inhibition potentiated mitochondrial activity impairment induced by 3-NP whereas the inhibitor alone had no effect. These results indicate that metalloproteases regulate and promote mitochondrial functionality in striatal neurons undergoing degeneration induced by 3-NP. Since NMDA receptor is involved in the excitotoxic neuronal death triggered by 3-NP and is known to undergo ES, we analyzed NMDAR subunit NR1 phenotypic distribution by immunofluorescence. 3-NP and GM6001 induced abnormal perinuclear NR1 accumulation that was not observed with 3-NP or GM6001 alone. This observation suggests that metalloproteases are involved in NR1 cellular reorganization induced by 3-NP, and that their inhibition results in abnormal NR1 distribution. Together results indicate that endogenous metalloproteases are activated during striatal neurodegeneration induced by 3-NP eliciting an adaptative or compensatory response that protects mitochondrial functionality.

3-Nitropropionic acid induces autophagy by forming mitochondrial permeability transition pores rather than activating the mitochondrial fission pathway.[Pubmed:22509855]

Br J Pharmacol. 2013 Jan;168(1):63-75.

BACKGROUND AND PURPOSE: Huntington's disease is a neurodegenerative process associated with mitochondrial alterations. Inhibitors of the electron-transport channel complex II, such as 3-Nitropropionic acid (3NP), are used to study the molecular and cellular pathways involved in this disease. We studied the effect of 3NP on mitochondrial morphology and its involvement in macrophagy. EXPERIMENTAL APPROACH: Pharmacological and biochemical methods were used to characterize the effects of 3NP on autophagy and mitochondrial morphology. SH-SY5Y cells were transfected with GFP-LC3, GFP-Drp1 or GFP-Bax to ascertain their role and intracellular localization after 3NP treatment using confocal microscopy. KEY RESULTS: Untreated SH-SY5Y cells presented a long, tubular and filamentous net of mitochondria. After 3NP (5 mM) treatment, mitochondria became shorter and rounder. 3NP induced formation of mitochondrial permeability transition pores, both in cell cultures and in isolated liver mitochondria, and this process was inhibited by cyclosporin A. Participation of the mitochondrial fission pathway was excluded because 3NP did not induce translocation of the dynamin-related protein 1 (Drp1) to the mitochondria. The Drp1 inhibitor Mdivi-1 did not affect the observed changes in mitochondrial morphology. Finally, scavengers of reactive oxygen species failed to prevent mitochondrial alterations, while cyclosporin A, but not Mdivi-1, prevented the generation of ROS. CONCLUSIONS AND IMPLICATIONS: There was a direct correlation between formation of mitochondrial permeability transition pores and autophagy induced by 3NP treatment. Activation of autophagy preceded the apoptotic process and was mediated, at least partly, by formation of reactive oxygen species and mitochondrial permeability transition pores.

3-nitropropionic acid is a suicide inhibitor of mitochondrial respiration that, upon oxidation by complex II, forms a covalent adduct with a catalytic base arginine in the active site of the enzyme.[Pubmed:16371358]

J Biol Chem. 2006 Mar 3;281(9):5965-72.

We report three new structures of mitochondrial respiratory Complex II (succinate ubiquinone oxidoreductase, E.C. 1.3.5.1) at up to 2.1 A resolution, with various inhibitors. The structures define the conformation of the bound inhibitors and suggest the residues involved in substrate binding and catalysis at the dicarboxylate site. In particular they support the role of Arg(297) as a general base catalyst accepting a proton in the dehydrogenation of succinate. The dicarboxylate ligand in oxaloacetate-containing crystals appears to be the same as that reported for Shewanella flavocytochrome c treated with fumarate. The plant and fungal toxin 3-Nitropropionic acid, an irreversible inactivator of succinate dehydrogenase, forms a covalent adduct with the side chain of Arg(297). The modification eliminates a trypsin cleavage site in the flavoprotein, and tandem mass spectroscopic analysis of the new fragment shows the mass of Arg(297) to be increased by 83 Da and to have the potential of losing 44 Da, consistent with decarboxylation, during fragmentation.

Description

3-Nitropropanoic acid (β-Nitropropionic acid) is an irreversible inhibitor of succinate dehydrogenase. 3-Nitropropanoic acid exhibits potent antimycobacterial activity with a MIC value of 3.3 μM.

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