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Human NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial (NDUFS7) ELISA Kit (HUEB1817)

SKU:
HUEB1817
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
O75251
Range:
0.312-20 ng/ml
ELISA Type:
Sandwich
Synonyms:
NDUFS7, NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial, PSST subunit, Complex I-20kD, CI-20kD, NADH-ubiquinone oxidoreductase 20 kDa subunit, PSST, CI-20, MY017
Reactivity:
Human
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Description

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Human NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial (NDUFS7) ELISA Kit

The Human NADH dehydrogenase (ubiquinone) iron-sulfur protein 7, mitochondrial (NDUFS7) ELISA Kit is specifically designed for the precise detection of NDUFS7 levels in human serum, plasma, and cell culture supernatants. This kit offers exceptional sensitivity and specificity, ensuring dependable and consistent results for a variety of research applications.NDUFS7 is a vital protein involved in the electron transport chain within mitochondria, playing a crucial role in cellular energy production.

Dysregulation of NDUFS7 has been linked to various disorders, including mitochondrial diseases and neurodegenerative conditions. As such, NDUFS7 serves as a valuable biomarker for investigating these diseases and exploring potential therapeutic interventions.Overall, the Human NDUFS7 ELISA Kit provides researchers with a powerful tool for studying the role of NDUFS7 in health and disease, offering a reliable means of quantifying NDUFS7 levels in biological samples.

Product Name:Human NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial (NDUFS7) ELISA Kit
SKU:HUEB1817
Size:96T
Target:Human NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial (NDUFS7)
Synonyms:Complex I-20kD, NADH-ubiquinone oxidoreductase 20 kDa subunit, PSST subunit, CI-20kD
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Human
Detection Range:0.312-20ng/ml
Sensitivity:0.12ng/mL
Intra CV:4.5%
Inter CV:8.3%
Linearity:
Sample1:21:41:81:16
Serum(N=5)101-111%98-109%95-104%101-110%
EDTA Plasma(N=5)97-107%106-116%109-117%106-115%
Heparin Plasma(N=5)81-91%105-115%100-108%87-96%
Recovery:
Sample TypeAverage(%)Recovery Range(%)
Serum9488-100
Plasma9690-102
Function:Core subunit of the mitochondrial membrane respiratory chain NADH dehydrogenase (Complex I) that is believed to belong to the minimal assembly required for catalysis. Complex I functions in the transfer of electrons from NADH to the respiratory chain. The immediate electron acceptor for the enzyme is believed to be ubiquinone.
Uniprot:O75251
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant human NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial
Sub Unit:Complex I is composed of 45 different subunits This is a component of the iron-sulfur (IP) fragment of the enzyme.
Research Area:Neurosciences
Subcellular Location:Mitochondrion
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:NDUFS7: Core subunit of the mitochondrial membrane respiratory chain NADH dehydrogenase (Complex I) that is believed to belong to the minimal assembly required for catalysis. Complex I functions in the transfer of electrons from NADH to the respiratory chain. The immediate electron acceptor for the enzyme is believed to be ubiquinone. Defects in NDUFS7 are a cause of Leigh syndrome (LS). LS is a severe neurological disorder characterized by bilaterally symmetrical necrotic lesions in subcortical brain regions. Defects in NDUFS7 are a cause of mitochondrial complex I deficiency (MT-C1D). A disorder of the mitochondrial respiratory chain that causes a wide range of clinical disorders, from lethal neonatal disease to adult-onset neurodegenerative disorders. Phenotypes include macrocephaly with progressive leukodystrophy, non-specific encephalopathy, cardiomyopathy, myopathy, liver disease, Leigh syndrome, Leber hereditary optic neuropathy, and some forms of Parkinson disease. Belongs to the complex I 20 kDa subunit family.
UniProt Protein Details:

Protein type:Mitochondrial; Energy Metabolism - oxidative phosphorylation; EC 1.6.5.3; Oxidoreductase; EC 1.6.99.3

Chromosomal Location of Human Ortholog: 19p13.3

Cellular Component: mitochondrial matrix; mitochondrial respiratory chain complex I

Molecular Function:NADH dehydrogenase activity; protein binding

Biological Process: mitochondrial electron transport, NADH to ubiquinone; mitochondrial respiratory chain complex I assembly

Disease: Leigh Syndrome

NCBI Summary:This gene encodes a protein that is a subunit of one of the complexes that forms the mitochondrial respiratory chain. This protein is one of over 40 subunits found in complex I, the nicotinamide adenine dinucleotide (NADH):ubiquinone oxidoreductase. This complex functions in the transfer of electrons from NADH to the respiratory chain, and ubiquinone is believed to be the immediate electron acceptor for the enzyme. Mutations in this gene cause Leigh syndrome due to mitochondrial complex I deficiency, a severe neurological disorder that results in bilaterally symmetrical necrotic lesions in subcortical brain regions. [provided by RefSeq, Jul 2008]
UniProt Code:O75251
NCBI GenInfo Identifier:90110040
NCBI Gene ID:374291
NCBI Accession:O75251.3
UniProt Secondary Accession:O75251,Q2T9H7, Q9BV17, B3KRI2,
UniProt Related Accession:O75251
Molecular Weight:22,203 Da
NCBI Full Name:NADH dehydrogenase
NCBI Synonym Full Names:NADH:ubiquinone oxidoreductase core subunit S7
NCBI Official Symbol:NDUFS7
NCBI Official Synonym Symbols:PSST; CI-20; MY017; CI-20KD
NCBI Protein Information:NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial
UniProt Protein Name:NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial
UniProt Synonym Protein Names:Complex I-20kD; CI-20kD; NADH-ubiquinone oxidoreductase 20 kDa subunit; PSST subunit
Protein Family:NADH dehydrogenase [ubiquinone] iron-sulfur protein
UniProt Gene Name:NDUFS7
UniProt Entry Name:NDUS7_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.
ELISA
Human NDUFS7 / NADH dehydrogenase [ubiquinone] iron-sulfur protein 7, mitochondrial ELISA Kit

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