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Human Malate dehydrogenase, cytoplasmic (MDH1) ELISA Kit (HUEB2192)

SKU:
HUEB2192
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P40925
ELISA Type:
Sandwich
Reactivity:
Human
€649
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Description

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Human Malate dehydrogenase, cytoplasmic (MDH1) ELISA Kit

The Human Malate Dehydrogenase Cytoplasmic (MDH1) ELISA Kit is a reliable and sensitive tool for the quantitative measurement of MDH1 levels in human serum, plasma, and cell culture supernatants. This kit offers high specificity and accuracy, ensuring consistent and trustworthy results for various research applications.MDH1 is a key enzyme involved in the citric acid cycle, playing a crucial role in energy production and metabolism. The dysregulation of MDH1 has been linked to various diseases, including cancer, metabolic disorders, and neurodegenerative conditions, making it a valuable biomarker for studying these pathologies and developing potential treatments.

With its easy-to-use format and robust performance, the Human MDH1 ELISA Kit is an essential tool for researchers interested in investigating the role of MDH1 in health and disease. Trust in this kit to provide precise and reliable data for your research needs.

Product Name:Human Malate dehydrogenase, cytoplasmic (MDH1) ELISA Kit
SKU:HUEB2192
Size:96T
Target:Human Malate dehydrogenase, cytoplasmic (MDH1)
Synonyms:Cytosolic malate dehydrogenase, Diiodophenylpyruvate reductase, MDHA
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Human
Detection Range:0.156-10ng/mL
Sensitivity:0.084ng/mL
Intra CV:Provided with the Kit
Inter CV:Provided with the Kit
Linearity:Provided with the Kit
Recovery:Provided with the Kit
Uniprot:P40925
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant human Malate dehydrogenase, cytoplasmic
Sub Unit:Homodimer.
Research Area:Metabolism
Subcellular Location:Cytoplasm
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:MDH1: Malate dehydrogenase catalyzes the reversible oxidation of malate to oxaloacetate, utilizing the NAD/NADH cofactor system in the citric acid cycle. The protein encoded by this gene is localized to the cytoplasm and may play pivotal roles in the malate-aspartate shuttle that operates in the metabolic coordination between cytosol and mitochondria. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene.[provided by RefSeq, Nov 2010]
UniProt Protein Details:

Protein type:EC 1.1.1.96; Carbohydrate Metabolism - pyruvate; Oxidoreductase; Carbohydrate Metabolism - citrate (TCA) cycle; EC 1.1.1.37; Carbohydrate Metabolism - glyoxylate and dicarboxylate

Chromosomal Location of Human Ortholog: 2p13.3

Cellular Component: centrosome; extracellular space; mitochondrion; cytoplasm; cytosol

Molecular Function:malic enzyme activity; L-malate dehydrogenase activity; diiodophenylpyruvate reductase activity; NAD binding

Biological Process: malate metabolic process; oxaloacetate metabolic process; NADH metabolic process; tricarboxylic acid cycle; carbohydrate metabolic process; glucose metabolic process; cellular carbohydrate metabolic process; pathogenesis; gluconeogenesis

NCBI Summary:This gene encodes an enzyme that catalyzes the NAD/NADH-dependent, reversible oxidation of malate to oxaloacetate in many metabolic pathways, including the citric acid cycle. Two main isozymes are known to exist in eukaryotic cells: one is found in the mitochondrial matrix and the other in the cytoplasm. This gene encodes the cytosolic isozyme, which plays a key role in the malate-aspartate shuttle that allows malate to pass through the mitochondrial membrane to be transformed into oxaloacetate for further cellular processes. Alternatively spliced transcript variants have been found for this gene. A recent study showed that a C-terminally extended isoform is produced by use of an alternative in-frame translation termination codon via a stop codon readthrough mechanism, and that this isoform is localized in the peroxisomes. Pseudogenes have been identified on chromosomes X and 6. [provided by RefSeq, Feb 2016]
UniProt Code:P40925
NCBI GenInfo Identifier:1708967
NCBI Gene ID:4190
NCBI Accession:P40925.4
UniProt Related Accession:P40925
Molecular Weight:~ 36kDa
NCBI Full Name:Malate dehydrogenase, cytoplasmic
NCBI Synonym Full Names:malate dehydrogenase 1
NCBI Official Symbol:MDH1
NCBI Official Synonym Symbols:MDHA; MOR2; MDH-s; HEL-S-32; MGC:1375
NCBI Protein Information:malate dehydrogenase, cytoplasmic; malate dehydrogenase, peroxisomal
UniProt Protein Name:Malate dehydrogenase, cytoplasmic
UniProt Synonym Protein Names:Cytosolic malate dehydrogenase; Diiodophenylpyruvate reductase (EC:1.1.1.96)
Protein Family:Malate dehydrogenase
UniProt Gene Name:MDH1
UniProt Entry Name:MDHC_HUMAN
Component Quantity (96 Assays) Storage
ELISA Microplate (Dismountable) 8×12 strips -20°C
Lyophilized Standard 2 -20°C
Sample Diluent 20ml -20°C
Assay Diluent A 10mL -20°C
Assay Diluent B 10mL -20°C
Detection Reagent A 120µL -20°C
Detection Reagent B 120µL -20°C
Wash Buffer 30mL 4°C
Substrate 10mL 4°C
Stop Solution 10mL 4°C
Plate Sealer 5 -

Other materials and equipment required:

  • Microplate reader with 450 nm wavelength filter
  • Multichannel Pipette, Pipette, microcentrifuge tubes and disposable pipette tips
  • Incubator
  • Deionized or distilled water
  • Absorbent paper
  • Buffer resevoir

*Note: The below protocol is a sample protocol. Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.

Allow all reagents to reach room temperature (Please do not dissolve the reagents at 37°C directly). All the reagents should be mixed thoroughly by gently swirling before pipetting. Avoid foaming. Keep appropriate numbers of strips for 1 experiment and remove extra strips from microtiter plate. Removed strips should be resealed and stored at -20°C until the kits expiry date. Prepare all reagents, working standards and samples as directed in the previous sections. Please predict the concentration before assaying. If values for these are not within the range of the standard curve, users must determine the optimal sample dilutions for their experiments. We recommend running all samples in duplicate.

Step
1. Add Sample: Add 100µL of Standard, Blank, or Sample per well. The blank well is added with Sample diluent. Solutions are added to the bottom of micro ELISA plate well, avoid inside wall touching and foaming as possible. Mix it gently. Cover the plate with sealer we provided. Incubate for 120 minutes at 37°C.
2. Remove the liquid from each well, don't wash. Add 100µL of Detection Reagent A working solution to each well. Cover with the Plate sealer. Gently tap the plate to ensure thorough mixing. Incubate for 1 hour at 37°C. Note: if Detection Reagent A appears cloudy warm to room temperature until solution is uniform.
3. Aspirate each well and wash, repeating the process three times. Wash by filling each well with Wash Buffer (approximately 400µL) (a squirt bottle, multi-channel pipette,manifold dispenser or automated washer are needed). Complete removal of liquid at each step is essential. After the last wash, completely remove remaining Wash Buffer by aspirating or decanting. Invert the plate and pat it against thick clean absorbent paper.
4. Add 100µL of Detection Reagent B working solution to each well. Cover with the Plate sealer. Incubate for 60 minutes at 37°C.
5. Repeat the wash process for five times as conducted in step 3.
6. Add 90µL of Substrate Solution to each well. Cover with a new Plate sealer and incubate for 10-20 minutes at 37°C. Protect the plate from light. The reaction time can be shortened or extended according to the actual color change, but this should not exceed more than 30 minutes. When apparent gradient appears in standard wells, user should terminatethe reaction.
7. Add 50µL of Stop Solution to each well. If color change does not appear uniform, gently tap the plate to ensure thorough mixing.
8. Determine the optical density (OD value) of each well at once, using a micro-plate reader set to 450 nm. User should open the micro-plate reader in advance, preheat the instrument, and set the testing parameters.
9. After experiment, store all reagents according to the specified storage temperature respectively until their expiry.

When carrying out an ELISA assay it is important to prepare your samples in order to achieve the best possible results. Below we have a list of procedures for the preparation of samples for different sample types.

Sample Type Protocol
Serum If using serum separator tubes, allow samples to clot for 30 minutes at room temperature. Centrifuge for 10 minutes at 1,000x g. Collect the serum fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. If serum separator tubes are not being used, allow samples to clot overnight at 2-8°C. Centrifuge for 10 minutes at 1,000x g. Remove serum and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles.
Plasma Collect plasma using EDTA or heparin as an anticoagulant. Centrifuge samples at 4°C for 15 mins at 1000 × g within 30 mins of collection. Collect the plasma fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. Note: Over haemolysed samples are not suitable for use with this kit.
Urine & Cerebrospinal Fluid Collect the urine (mid-stream) in a sterile container, centrifuge for 20 mins at 2000-3000 rpm. Remove supernatant and assay immediately. If any precipitation is detected, repeat the centrifugation step. A similar protocol can be used for cerebrospinal fluid.
Cell culture supernatant Collect the cell culture media by pipette, followed by centrifugation at 4°C for 20 mins at 1500 rpm. Collect the clear supernatant and assay immediately.
Cell lysates Solubilize cells in lysis buffer and allow to sit on ice for 30 minutes. Centrifuge tubes at 14,000 x g for 5 minutes to remove insoluble material. Aliquot the supernatant into a new tube and discard the remaining whole cell extract. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Tissue homogenates The preparation of tissue homogenates will vary depending upon tissue type. Rinse tissue with 1X PBS to remove excess blood & homogenize in 20ml of 1X PBS (including protease inhibitors) and store overnight at ≤ -20°C. Two freeze-thaw cycles are required to break the cell membranes. To further disrupt the cell membranes you can sonicate the samples. Centrifuge homogenates for 5 mins at 5000xg. Remove the supernatant and assay immediately or aliquot and store at -20°C or -80°C.
Tissue lysates Rinse tissue with PBS, cut into 1-2 mm pieces, and homogenize with a tissue homogenizer in PBS. Add an equal volume of RIPA buffer containing protease inhibitors and lyse tissues at room temperature for 30 minutes with gentle agitation. Centrifuge to remove debris. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Breast Milk Collect milk samples and centrifuge at 10,000 x g for 60 min at 4°C. Aliquot the supernatant and assay. For long term use, store samples at -80°C. Minimize freeze/thaw cycles.

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