Mouse Lysosomal alpha-Glucosidase / GAA ELISA Kit
- SKU:
- MOFI00197
- Product Type:
- ELISA Kit
- Size:
- 96 Assays
- Uniprot:
- P70699
- Sensitivity:
- 0.469ng/ml
- Range:
- 0.781-50ng/ml
- ELISA Type:
- Sandwich
- Synonyms:
- Gaa, Acid alpha-Glucosidase, Acid Maltase, LYAG, Acid maltase, Aglucosidase alfa
- Reactivity:
- Mouse
Description
Mouse Lysosomal alpha-Glucosidase/GAA ELISA Kit
The Mouse Lysosomal Alpha-Glucosidase (GAA) ELISA Kit is designed for the accurate detection of GAA levels in mouse serum, plasma, and tissue lysates. This kit offers high sensitivity and specificity, providing reliable and consistent results for a variety of research applications.GAA is an important enzyme involved in the breakdown of glycogen within lysosomes, playing a crucial role in the maintenance of cellular energy levels.
Dysregulation of GAA activity has been linked to metabolic disorders such as Pompe disease, making it a valuable biomarker for studying these conditions and developing therapeutic interventions.With its user-friendly protocol and robust performance, the Mouse Lysosomal Alpha-Glucosidase (GAA) ELISA Kit is an essential tool for researchers studying lysosomal storage disorders and exploring potential treatments targeting GAA activity.
| Product Name: | Mouse Lysosomal alpha-Glucosidase / GAA ELISA Kit |
| Product Code: | MOFI00197 |
| Size: | 96 Assays |
| Alias: | Gaa, Acid alpha-Glucosidase, Acid Maltase, LYAG, Acid maltase, Aglucosidase alfa |
| Detection Method: | Sandwich ELISA |
| Application: | This immunoassay kit allows for the in vitro quantitative determination of Mouse Gaa concentrations in serum plasma and other biological fluids. |
| Sensitivity: | 0.469ng/ml |
| Range: | 0.781-50ng/ml |
| Storage: | 4°C for 6 months |
| Note: | For Research Use Only |
| Recovery: | Matrices listed below were spiked with certain level of Mouse Gaa and the recovery rates were calculated by comparing the measured value to the expected amount of Mouse Gaa in samples. | ||||||||||||||||
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| Linearity: | The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Mouse Gaa 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 | P70699 |
| UniProt Protein Function: | GAA: Essential for the degradation of glygogen to glucose in lysosomes. Defects in GAA are the cause of glycogen storage disease type 2 (GSD2); also called acid alpha-glucosidase (GAA) deficiency or acid maltase deficiency (AMD). GSD2 is a metabolic disorder with a broad clinical spectrum. The severe infantile form, or Pompe disease, presents at birth with massive accumulation of glycogen in muscle, heart and liver. Cardiomyopathy and muscular hypotonia are the cardinal features of this form whose life expectancy is less than two years. The juvenile and adult forms present as limb-girdle muscular dystrophy beginning in the lower limbs. Final outcome depends on respiratory muscle failure. Patients with the adult form can be free of clinical symptoms for most of their life but finally develop a slowly progressive myopathy. Belongs to the glycosyl hydrolase 31 family. |
| UniProt Protein Details: | Protein type:Carbohydrate Metabolism - galactose; Carbohydrate Metabolism - starch and sucrose; Contractile; EC 3.2.1.20; Hydrolase Chromosomal Location of Human Ortholog: 17q25.3 Cellular Component: lysosomal lumen; lysosomal membrane; lysosome; membrane Molecular Function:alpha-glucosidase activity; oligo-1,6-glucosidase activity Biological Process: cardiac muscle contraction; diaphragm contraction; glucose metabolic process; glycogen catabolic process; lysosome organization and biogenesis; maltose metabolic process; sucrose metabolic process; vacuolar sequestering Disease: Glycogen Storage Disease Ii |
| NCBI Summary: | This gene encodes lysosomal alpha-glucosidase, which is essential for the degradation of glycogen to glucose in lysosomes. The encoded preproprotein is proteolytically processed to generate multiple intermediate forms and the mature form of the enzyme. Defects in this gene are the cause of glycogen storage disease II, also known as Pompe's disease, which is an autosomal recessive disorder with a broad clinical spectrum. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2016] |
| UniProt Code: | P70699 |
| NCBI GenInfo Identifier: | 119393891 |
| NCBI Gene ID: | 2548 |
| NCBI Accession: | NP_000143.2 |
| UniProt Secondary Accession: | P70699,P70699, Q6P7A9, |
| UniProt Related Accession: | P10253 |
| Molecular Weight: | 105,324 Da |
| NCBI Full Name: | lysosomal alpha-glucosidase preproprotein |
| NCBI Synonym Full Names: | glucosidase alpha, acid |
| NCBI Official Symbol: | GAAÂ Â |
| NCBI Official Synonym Symbols: | LYAGÂ Â |
| NCBI Protein Information: | lysosomal alpha-glucosidase |
| UniProt Protein Name: | Lysosomal alpha-glucosidase |
| UniProt Synonym Protein Names: | Acid maltase; Aglucosidase alfa |
| Protein Family: | Lysosomal alpha-glucosidase |
| UniProt Gene Name: | GAAÂ Â |
*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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