Metabolism Assays

Malate Dehydrogenase Assay (Colorimetric) (BA0131)

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SKU:
BA0131
Product Type:
Assay
Detection Method:
Colorimetric
Instrument:
Microplate Reader
Sample Type:
Biological Samples (Plasma, Serum, Erythrocytes, Tissue, Culture Media)
Research Area:
Ferroptosis
Research Area:
TCA Cycle
Research Area:
Urea
Research Area:
Plant & Environmental Stress
Research Area:
Enzyme Activity
Research Area:
Diabetes & Obesity

Description

ELISA Kit Technical ManualMSDS

Malate Dehydrogenase Assay

Malate dehydrogenase (MDH) (EC 1.1.1.37) is an enzyme which reversibly catalyzes the oxidation of L-malate to oxaloacetate in the presence of NAD. There are 2 isoforms in eukaryotic cells: MDH1 and MDH2. MDH1 found in the cytoplasm and plays a key part in the malate-aspartate shuttle for transporting malate into the mitochondria. MDH2 is a mitochondrial enzyme which participates in the TCA cycle that reversibly converts L-malate into oxaloacetate. Higher MDH activities are found in some neurodegenerative diseases such as Alzheimer's disease.

Assay Genie's non-radioactive, colorimetric Malate Dehydrogenase assay is based on the reduction of the tetrazolium salt MTT in a NADH-coupled enzymatic reaction to a reduced form of MTT which exhibits an absorption maximum at 565 nm. The increase in absorbance at 565 nm is proportional to the enzyme activity.

Applications

For quantitative determination of L-malate dehydrogenase enzyme activity and drug effects on malate dehydrogenase metabolism.

Key Features

  • Fast and sensitive. Linear detection range (20 uL sample): 0.5 to 65 U/L for 20 min reaction at 37°C.
  • Convenient and high-throughput. Homogeneous "mix-incubate-measure" type assay. Can be readily automated on HTS liquid handling systems for processing thousands of samples per day.

Malate Dehydrogenase Assay Information

Kit Includes: Assay Buffer: 10 mL, Enzyme A: 120 uL, NAD/MTT: 1 mL, Enzyme B: 120 uL, Substrate: 600 uL, Calibrator: 1.5 mL
Kit Requires: Pipetting devices and accessories (e.g. multi-channel pipettor), clear flat- bottom 96-well plates, centrifuge tubes and plate reader.
Method of Detection: OD565nm
Detection Limit: 0.5 U/L
Samples: Biological samples (e.g. plasma, serum, erythrocytes, tissue and culture media).
Species: All
Protocol Length: 30 min
Size: 100 tests
Storage: Store all components at -20°C upon receiving
Shelf Life: 6 months

 

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