Abcam, ab178011, Human NADH dehydrogenase ELISA Kit (Complex I)

Size: 1 x 96Tests
Human NADH dehydrogenase ELISA Kit (Complex I) is a single-wash 90-min Simplestep used to quantify Human NADH dehydrogenase (Complex I) with a sensitivity of 430 ng/mL. The assay uses a simple mix-wash-read protocol with just one incubation and one wash step. - Colorimetric Sandwich ELISA - 450 nm readout : works on any standard plate reader - Cited in over 5 citations
Key facts
Detection method:Colorimetric,
Sample types:Cell culture extracts, Tissue Extracts,
Reacts with:Human,
Assay type:Sandwich (quantitative),
Sensitivity:= 430 ng/mL,
Range:3.13 - 200 µg/mL,
Assay time:1h 30m,
Assay Platform:Microplate

Product details:
Human NADH Dehydrogenase (Complex I) ELISA kit (ab178011) is a single-wash 90 min sandwich ELISA designed for the quantitative measurement of NADH Dehydrogenase protein in human cell and tissue extracts. It uses our proprietary SimpleStep ELISA® technology. Quantitate human NADH Dehydrogenase with 430 ng/ml sensitivity.
SimpleStep ELISA® technology employs capture antibodies conjugated to an affinity tag that is recognized by the monoclonal antibody used to coat our SimpleStep ELISA® plates. This approach to sandwich ELISA allows the formation of the antibody-analyte sandwich complex in a single step, significantly reducing assay time. See the SimpleStep ELISA® protocol summary in the image section for further details. Our SimpleStep ELISA® technology provides several benefits:
-Single-wash protocol reduces assay time to 90 minutes or less
-High sensitivity, specificity and reproducibility from superior antibodies
-Fully validated in biological samples
-96-wells plate breakable into 12 x 8 wells strips
A 384-well SimpleStep ELISA® microplate (
ab203359
) is available to use as an alternative to the 96-well microplate provided with SimpeStep ELISA® kits.
NADH dehydrogenase (NADH: ubiquinone reductase (H+-translocating), Complex I) is the first enzyme of the oxidative phosphorylation (OXPHOS) system within the mitochondrial inner membrane. NADH dehydrogenase is a large protein complex of 950,000 MW made up of 45-46 different subunits. Seven of the subunits of the complex are encoded on mitochondrial DNA (mtDNA), the remaining subunits are nuclear encoded, made in the cytosol and translocated into the organelle for assembly at the inner membrane. The enzyme complex catalyses electron entry from NADH via a flavin (FMN) and several non-heme iron centers. Mutations in mtDNA, or nuclear DNA genes encoding NADH dehydrogenase subunits or assembly factors are a common cause of genetic OXPHOS defects. Mutations or loss of mtDNA may cause enzymatic dysfunction by disrupting enzyme assembly or alternatively by specifically affecting enzymatic activity with no effect on enzyme assembly.
NADH dehydrogenase (like Complex III) has been proposed as a site of superoxide 'leak' from the mitochondrial OXPHOS system. Altered functioning and increased superoxide production by this complex has been proposed to contribute to several neurological disorders including Parkinson's disease. Also there is evidence of NADH Dehydrogenase involvement in diabetes.

Properties and Storage Information:
Shipped at conditions-Blue Ice, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions-+4°C, Storage information-+4°C

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
Complex I also known as NADH dehydrogenase or NADH:ubiquinone oxidoreductase is a large enzyme complex with a molecular mass of approximately 1000 kDa. It is expressed in the inner mitochondrial membrane of eukaryotic cells. As the first enzyme in the mitochondrial respiratory chain Complex I plays a critical mechanical role in cellular respiration. It transfers electrons from NADH to ubiquinone coupled with the translocation of protons across the inner mitochondrial membrane contributing to the generation of a proton gradient used to produce ATP.
Biological function summary
Complex I acts as an integral component of the mitochondrial respiratory chain which is a series of protein complexes involved in cellular energy production. As part of this complex system Complex I is essential for effective oxidative phosphorylation. Its activity is assessed using protein activity assays including immunocapture or complex activity assays and microplate assays. Complex I activity influences the overall efficiency of ATP production affecting energy-dependent cellular processes.
Pathways
Complex I functions within the electron transport chain one of the major pathways in cellular respiration. This pathway is vital for ATP synthesis providing the energy currency required by cells. Complex I works closely with other electron transport chain complexes such as Complex II (succinate dehydrogenase complex) and Complex III (cytochrome c reductase) to drive oxidation-reduction reactions and maintain cellular metabolism.
Defects in Complex I are linked with mitochondrial diseases and neurodegenerative disorders such as Leigh syndrome and Parkinson's disease. Mutations in Complex I subunits disrupt normal electron transport and ATP production leading to increased oxidative stress and neuronal cell damage. Other mitochondrial proteins such as cytochrome c oxidase are also implicated in these conditions emphasizing the interconnected nature of mitochondrial dysfunction in disease progression.