Human SPAST (Spastin) ELISA Kit (HUFI03457)
- SKU:
- HUFI03457
- Product Type:
- ELISA Kit
- Size:
- 96 Assays
- Uniprot:
- Q9UBP0
- Sensitivity:
- 0.094ng/ml
- Range:
- 0.156-10ng/ml
- ELISA Type:
- Sandwich
- Synonyms:
- ADPSP, FSP2, KIAA1083, SPAST, Spastic paraplegia 4 protein, spastin, SPG4
- Reactivity:
- Human
Frequently bought together:
Description
Human SPAST (Spastin) ELISA Kit (HUFI03457)
The Human SPAST (Spastin) ELISA Kit is specifically designed for the precise measurement of SPAST levels in human samples such as serum, plasma, and cell culture supernatants. This kit offers exceptional sensitivity and accuracy, guaranteeing dependable and consistent results for various research purposes.SPAST, also known as Spastin, is a key protein involved in microtubule severing and dynamics, playing a crucial role in cellular processes like cytoskeleton organization and intracellular trafficking.
Dysregulation of SPAST has been linked to neurodegenerative diseases like hereditary spastic paraplegia, making it a valuable biomarker for understanding these disorders and developing targeted treatments.With the Human SPAST ELISA Kit, researchers can effectively study SPAST levels in different biological samples, gaining insights into its role in health and diseases. This kit is a valuable tool for advancing research in neurology, molecular biology, and drug development.
| Product Name: | Human SPAST (Spastin) ELISA Kit |
| Product Code: | HUFI03457 |
| Size: | 96 Assays |
| Alias: | ADPSP ELISA Kit, FSP2 ELISA Kit, KIAA1083 ELISA Kit, SPAST ELISA Kit, Spastic paraplegia 4 protein ELISA Kit, spastin ELISA Kit, SPG4 ELISA Kit |
| Detection method: | Sandwich ELISA, Double Antibody |
| Application: | This immunoassay kit allows for the in vitro quantitative determination of Human SPAST (Spastin) concentrations in serum plasma and other biological fluids. |
| Sensitivity: | < 0.094ng/ml |
| Range: | 0.156-10ng/ml |
| Storage: | 4°C for 6 months |
| Note: | For Research Use Only |
| Recovery: | Matrices listed below were spiked with certain level of Human SPAST (Spastin) and the recovery rates were calculated by comparing the measured value to the expected amount of Human SPAST (Spastin) in samples. Enquire for more information. |
| Linearity: | The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Human SPAST (Spastin) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected. Enquire for more information. |
| CV(%): | 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 Protein Function: | spastin: ATP-dependent microtubule severing protein. Microtubule severing may promote reorganization of cellular microtubule arrays and the release of microtubules from the centrosome following nucleation. Required for membrane traffic from the endoplasmic reticulum (ER) to the Golgi and for completion of the abscission stage of cytokinesis. May also play a role in axon growth and the formation of axonal branches. Defects in SPAST are the cause of spastic paraplegia autosomal dominant type 4 (SPG4). Spastic paraplegia is a neurodegenerative disorder characterized by a slow, gradual, progressive weakness and spasticity of the lower limbs. Rate of progression and the severity of symptoms are quite variable. Initial symptoms may include difficulty with balance, weakness and stiffness in the legs, muscle spasms, and dragging the toes when walking. In some forms of the disorder, bladder symptoms (such as incontinence) may appear, or the weakness and stiffness may spread to other parts of the body. SPG4 is the most common form of autosomal dominant spastic paraplegias. Belongs to the AAA ATPase family. Spastin subfamily. 4 isoforms of the human protein are produced by alternative promoter. |
| UniProt Protein Details: | Protein type:Cytoskeletal; EC 3.6.4.3; Membrane protein, integral Chromosomal Location of Human Ortholog: 2p24-p21 Cellular Component: microtubule cytoskeleton; microtubule; centrosome; perinuclear region of cytoplasm; endoplasmic reticulum; cytoplasm; integral to membrane; spindle; cytoplasmic vesicle; midbody; nucleus; endosome Molecular Function:protein binding; microtubule binding; beta-tubulin binding; microtubule-severing ATPase activity; alpha-tubulin binding; ATP binding Biological Process: positive regulation of microtubule depolymerization; ER to Golgi vesicle-mediated transport; axonogenesis; metabolic process; microtubule severing; microtubule bundle formation; protein homooligomerization; cytoplasmic microtubule organization and biogenesis Disease: Spastic Paraplegia 4, Autosomal Dominant |
| NCBI Summary: | This gene encodes a member of the AAA (ATPases associated with a variety of cellular activities) protein family. Members of this protein family share an ATPase domain and have roles in diverse cellular processes including membrane trafficking, intracellular motility, organelle biogenesis, protein folding, and proteolysis. The encoded ATPase may be involved in the assembly or function of nuclear protein complexes. Two transcript variants encoding distinct isoforms have been identified for this gene. Other alternative splice variants have been described but their full length sequences have not been determined. Mutations associated with this gene cause the most frequent form of autosomal dominant spastic paraplegia 4. [provided by RefSeq, Jul 2008] |
| UniProt Code: | Q9UBP0 |
| NCBI GenInfo Identifier: | 40806170 |
| NCBI Gene ID: | 6683 |
| NCBI Accession: | NP_955468.1 |
| UniProt Secondary Accession: | Q9UBP0,Q9UPR9, A7E2A7, |
| UniProt Related Accession: | Q9UBP0 |
| Molecular Weight: | 1493.57 |
| NCBI Full Name: | spastin isoform 2 |
| NCBI Synonym Full Names: | spastin |
| NCBI Official Symbol: | SPAST |
| NCBI Official Synonym Symbols: | FSP2; SPG4; ADPSP |
| NCBI Protein Information: | spastin; spastic paraplegia 4 protein; spastic paraplegia 4 (autosomal dominant; spastin) |
| UniProt Protein Name: | Spastin |
| UniProt Synonym Protein Names: | Spastic paraplegia 4 protein |
| Protein Family: | Spastin |
| UniProt Gene Name: | SPAST |
| UniProt Entry Name: | SPAST_HUMAN |
*Note: Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.
Before adding to wells, equilibrate the SABC working solution and TMB substrate for at least 30 min at 37 °C. When diluting samples and reagents, they must be mixed completely and evenly. It is recommended to plot a standard curve for each test.
| Step | Protocol |
| 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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