The sensitivity is 2 µM (2 µmol/L).
MAK070
Oxaloacetate Assay Kit
sufficient for 100 colorimetric or fluorometric tests
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About This Item
UNSPSC Code:
12161503
NACRES:
NA.84
Recommended Products
usage
sufficient for 100 colorimetric or fluorometric tests
detection method
colorimetric
fluorometric
relevant disease(s)
cancer
storage temp.
−20°C
General description
Oxaloacetate (OAA) is an intermediate of both the TCA cycle and gluconeogenesis. It precedes citrate which is formed by the citrate synthase-mediated condensation of acetyl-CoA and OAA. OAA is also formed by the deamidation of aspartate or condensation of CO2 with pyruvate or PEP. Since mammals do not possess the enzymatic machinery to form TCA cycle intermediates from acetyl-CoA, OAA is one of the anaplerotic entry points via pyruvate and pyruvate carboxykinase. The Oxaloacetate Assay Kit provides a simple, sensitive and rapid means of quantifying OAA in a variety of samples.
Application
Oxaloacetate Assay Kit has been used to determine the concentration of oxaloacetate in samples.[1]
Suitability
Suitable for animal tissues, cell culture (adherent or suspension cells), serum and saliva.
Principle
In this kit, oxaloacetate concentration is determined by a coupled enzyme assay, which results in a colorimetric (570 nm)/fluorometric (lex = 535/lem = 587 nm) product, proportional to the oxaloacetate present. Typical detection ranges for this kit are 2–10 nmole (colorimetric) and 0.2–1 nmole (fluorometric).
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Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Resp. Sens. 1 - Skin Sens. 1
Storage Class Code
10 - Combustible liquids
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Huabo Wang et al.
The Journal of biological chemistry, 294(14), 5466-5486 (2019-02-14)
Eukaryotic cell metabolism consists of processes that generate available energy, such as glycolysis, the tricarboxylic acid (TCA) cycle, and oxidative phosphorylation (Oxphos), and those that consume it, including macromolecular synthesis, the maintenance of ionic gradients, and cellular detoxification. By converting
Zheng Li et al.
Stem cells (Dayton, Ohio), 37(12), 1542-1555 (2019-10-02)
Mitochondrial phosphoenolpyruvate carboxykinase (PCK2) is a rate-limiting enzyme that plays critical roles in multiple physiological processes. The decompensation of PCK2 leads to various energy metabolic disorders. However, little is known regarding the effects of PCK2 on osteogenesis by human mesenchymal
The transcription factor Cabut coordinates energy metabolism and the circadian clock in response to sugar sensing.
Bartok O, Teesalu M, Ashwall-Fluss R, et al.
The Embo Journal, 34(11), 1538-1553 (2015)
Hypoxia-reprogrammed tricarboxylic acid cycle promotes the growth of human breast tumorigenic cells.
Ke Tang et al.
Oncogene, 38(44), 6970-6984 (2019-08-15)
Clinical applications of antiangiogenic agents profoundly affect tumor cell behaviors via the resultant hypoxia. To date, how the hypoxia regulates tumor cells remains unclear. Here, we show that hypoxia promotes the growth of human breast tumorigenic cells that repopulate tumors
The transcription factor Cabut coordinates energy metabolism and the circadian clock in response to sugar sensing.
Bartok O, et al.
The Embo Journal, 34(11), 1538-1553 (2015)
Articles
Sigma article discusses tumor cell metabolic pathways, focusing on aerobic glycolysis and mitochondrial activity.
Fatty acid synthesis supports cancer cell proliferation, essential for membrane generation, protein modification, and bioenergetics.
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How sensitive is your oxaloacetate kit? Please do not just inidcate nmoles.Specify molar amounts per unit volume. For example nmoes/ml or umoles/liter. Thanks.
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Can this kit be used with samples like bacteria, plants, drosophila, yeast etc?
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We have optimized the kit with mammalian samples. However, theoretically these kits should work with samples from multiple species/sources. OAA is conserved through evolution. Since the optimal conditions depend on the sample type, the protocol has to be be adapted to fit the samples for efficient results. Please refer to this kit's citations to see what kind of samples have been used with this kit other than mammalian samples.
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Why is deproteinizing necessary for this assay?
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We suggest deproteinizing samples using a PCA/KOH protocol (BioVision, Cat. #K808-200) or passing the samples through 10 kDa molecular weight cut off spin columns (BioVision, Cat # 1997-25). This will get rid of much of the protein in the samples and can remove the enzymes which can be converting OAA to pyruvate already.
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Are trial sizes of this kit available?
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Unfortunately, we do not have trial sizes of this kit available. However,for customers based in the US or Canada, a 10% off list price introductory discount can be offered on the list price. For all other customers based out of this area our regional BioVision distributor should be contacted.
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Is it possible to use a different wavelength than recommended for the final analysis?
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It is always recommended to use the exact recommended wavelength for the most efficient results. However, most plate readers have flexibility in their band width of detection in increments of +/- 10 nm. Depending on this flexibility range, you can deviate from the recommended wavelengths within limits.
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What is the exact volume of sample required for this assay?
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There is no specific volume we can recommend for the amount any sample to be used since it is completely sample concentration and quality based. It is recommended to do a pilot expt with multiple sample volumes to determine the optimal volume which gives a reading within the linear range of the standard curve. Please refer to the citations for this product to see what other clients have used with similar sample types.
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Can individual components of this kit be purchased separately?
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Yes, any of the kit's components can be purchased separately without having to buy the whole kit. Please refer to the component Cat #s mentioned on the datasheet for ordering.
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Can frozen samples be used with this assay?
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Fresh samples are always preferred over frozen samples. However, frozen samples can also be used, provided, they were frozen right after isolation, were not freeze thawed multiple time (for which we recommend aliquoting the samples before freezing) and have been frozen for relatively short periods.
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