Description
| Product Name: | Mouse SOD2 ELISA Kit |
| Product Code: | MOFI01121 |
| Size: | 96 Assays |
| Alias: | SOD2, IPO-B, Mn SOD, SOD, Mitochodrial, indophenoloxidase B, IPOB, manganese-containing superoxide dismutase, mangano-superoxide dismutase, Mn superoxide dismutase, MNSOD, MVCD6, superoxide dismutase [Mn], mitochondrial, superoxide dismutase 2, mitochondrial |
| Detection Method: | Sandwich ELISA |
| Application: | This immunoassay kit allows for the in vitro quantitative determination of Mouse SOD2 concentrations in serum plasma and other biological fluids. |
| Sensitivity: | 0.188ng/ml |
| Range: | 0.313-20ng/ml |
| Storage: | 4°C for 6 months |
| Note: | For Research Use Only |
| Recovery: | Matrices listed below were spiked with certain level of Mouse SOD2 and the recovery rates were calculated by comparing the measured value to the expected amount of Mouse SOD2 in samples. | ||||||||||||||||
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| Linearity: | The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Mouse SOD2 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected. | ||||||||||||||||
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| Intra Assay: | CV <8% | ||||||||||||||||
| Inter Assay: | CV <10% |
| Component | Quantity | Storage |
| ELISA Microplate (Dismountable) | 8×12 strips | 4°C for 6 months |
| Lyophilized Standard | 2 | 4°C/-20°C |
| Sample/Standard Dilution Buffer | 20ml | 4°C |
| Biotin-labeled Antibody(Concentrated) | 120ul | 4°C (Protect from light) |
| Antibody Dilution Buffer | 10ml | 4°C |
| HRP-Streptavidin Conjugate(SABC) | 120ul | 4°C (Protect from light) |
| SABC Dilution Buffer | 10ml | 4°C |
| TMB Substrate | 10ml | 4°C (Protect from light) |
| Stop Solution | 10ml | 4°C |
| Wash Buffer(25X) | 30ml | 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
| Uniprot | P09671 |
| UniProt Protein Function: | SOD2: Destroys superoxide anion radicals which are normally produced within the cells and which are toxic to biological systems. Genetic variation in SOD2 is associated with susceptibility to microvascular complications of diabetes type 6 (MVCD6). These are pathological conditions that develop in numerous tissues and organs as a consequence of diabetes mellitus. They include diabetic retinopathy, diabetic nephropathy leading to end-stage renal disease, and diabetic neuropathy. Diabetic retinopathy remains the major cause of new- onset blindness among diabetic adults. It is characterized by vascular permeability and increased tissue ischemia and angiogenesis. Belongs to the iron/manganese superoxide dismutase family. 2 isoforms of the human protein are produced by alternative splicing. |
| UniProt Protein Details: | Protein type:EC 1.15.1.1; Oxidoreductase; Mitochondrial Cellular Component: mitochondrion; cytoplasm; mitochondrial inner membrane; intracellular; myelin sheath Molecular Function:identical protein binding; protein binding; DNA binding; manganese ion binding; metal ion binding; superoxide dismutase activity; oxidoreductase activity; oxygen binding Biological Process: oxygen homeostasis; positive regulation of nitric oxide biosynthetic process; removal of superoxide radicals; heart development; locomotory behavior; vasodilation; post-embryonic development; age-dependent response to oxidative stress; protein homotetramerization; negative regulation of cell proliferation; apoptotic mitochondrial changes; glutathione metabolic process; sensory perception of sound; regulation of mitochondrial membrane potential; acetylcholine vasodilation involved in regulation of systemic arterial blood pressure; regulation of catalytic activity; regulation of blood pressure; response to gamma radiation; hemopoiesis; response to axon injury; negative regulation of neuron apoptosis; protein homooligomerization; response to drug; response to nutrient levels; erythrophore differentiation; mitochondrion organization and biogenesis; release of cytochrome c from mitochondria; response to superoxide; superoxide metabolic process; liver development; negative regulation of fat cell differentiation; regulation of transcription from RNA polymerase II promoter; iron ion homeostasis; response to reactive oxygen species; response to hyperoxia; DNA damage response, signal transduction resulting in induction of apoptosis; response to hydrogen peroxide; age-dependent response to reactive oxygen species; negative regulation of fibroblast proliferation; detection of oxygen; hydrogen peroxide metabolic process; neuron development; response to oxidative stress; response to activity; induction of apoptosis by oxidative stress; superoxide release; hydrogen peroxide biosynthetic process; negative regulation of apoptosis |
| UniProt Code: | P09671 |
| NCBI GenInfo Identifier: | 31980762 |
| NCBI Gene ID: | 20656 |
| NCBI Accession: | NP_038699.2 |
| UniProt Secondary Accession: | P09671,Q64670, Q8VEM5, |
| UniProt Related Accession: | P09671 |
| Molecular Weight: | 24,603 Da |
| NCBI Full Name: | superoxide dismutase |
| NCBI Synonym Full Names: | superoxide dismutase 2, mitochondrial |
| NCBI Official Symbol: | Sod2 |
| NCBI Official Synonym Symbols: | MnSOD; Sod-2 |
| NCBI Protein Information: | superoxide dismutase [Mn], mitochondrial; superoxide dismutase [Mn], mitochondrial; manganese SOD; manganese superoxide dismutase |
| UniProt Protein Name: | Superoxide dismutase [Mn], mitochondrial |
| Protein Family: | Superoxide dismutase |
| UniProt Gene Name: | Sod2 |
| UniProt Entry Name: | SODM_MOUSE |
*Note: Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.
| Step | Procedure |
| 1. | Set standard, test sample and control (zero) wells on the pre-coated plate respectively, and then, record their positions. It is recommended to measure each standard and sample in duplicate. Wash plate 2 times before adding standard, sample and control (zero) wells! |
| 2. | Aliquot 0.1ml standard solutions into the standard wells. |
| 3. | Add 0.1 ml of Sample / Standard dilution buffer into the control (zero) well. |
| 4. | Add 0.1 ml of properly diluted sample (Human serum, plasma, tissue homogenates and other biological fluids.) into test sample wells. |
| 5. | Seal the plate with a cover and incubate at 37 °C for 90 min. |
| 6. | Remove the cover and discard the plate content, clap the plate on the absorbent filter papers or other absorbent material. Do NOT let the wells completely dry at any time. Wash plate X2. |
| 7. | Add 0.1 ml of Biotin- detection antibody working solution into the above wells (standard, test sample & zero wells). Add the solution at the bottom of each well without touching the side wall. |
| 8. | Seal the plate with a cover and incubate at 37°C for 60 min. |
| 9. | Remove the cover, and wash plate 3 times with Wash buffer. Let wash buffer rest in wells for 1 min between each wash. |
| 10. | Add 0.1 ml of SABC working solution into each well, cover the plate and incubate at 37°C for 30 min. |
| 11. | Remove the cover and wash plate 5 times with Wash buffer, and each time let the wash buffer stay in the wells for 1-2 min. |
| 12. | Add 90 µL of TMB substrate into each well, cover the plate and incubate at 37°C in dark within 10-20 min. (Note: This incubation time is for reference use only, the optimal time should be determined by end user.) And the shades of blue can be seen in the first 3-4 wells (with most concentrated standard solutions), the other wells show no obvious color. |
| 13. | Add 50 µL of Stop solution into each well and mix thoroughly. The color changes into yellow immediately. |
| 14. | Read the O.D. absorbance at 450 nm in a microplate reader immediately after adding the stop solution. |
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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