Mini Samples ELISA Kit for Angiopoietin Like Protein 8 (ANGPTL8) 
RIFL; TD26; C19orf80; Lipasin; Betatrophin; Hepatocellular Carcinoma-Associated Protein TD26
- UOM
- FOB US$ 647.00 US$ 924.00 US$ 4,158.00 US$ 7,854.00 US$ 64,680.00
- Quantity
Overview
Properties
- Product No.MEW803Hu
- Organism SpeciesHomo sapiens (Human) Same name, Different species.
- ApplicationsEnzyme-linked immunosorbent assay for Antigen Detection.
Research use only - DownloadInstruction Manual
- CategoryDevelopmental science
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Packages (Simulation)
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Packages (Simulation)
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Results demonstration
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Typical Standard Curve
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ISO9001: 2008, ISO13485: 2003 Registered
Recovery
Matrices listed below were spiked with certain level of recombinant Mini Samples Angiopoietin Like Protein 8 (ANGPTL8) and the recovery rates were calculated by comparing the measured value to the expected amount of Mini Samples Angiopoietin Like Protein 8 (ANGPTL8) in samples.
| Matrix | Recovery range (%) | Average(%) |
| serum(n=5) | 88-101 | 97 |
| EDTA plasma(n=5) | 90-98 | 93 |
| heparin plasma(n=5) | 90-103 | 101 |
Precision
Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Mini Samples Angiopoietin Like Protein 8 (ANGPTL8) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Mini Samples Angiopoietin Like Protein 8 (ANGPTL8) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%
Linearity
The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Mini Samples Angiopoietin Like Protein 8 (ANGPTL8) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
| Sample | 1:2 | 1:4 | 1:8 | 1:16 |
| serum(n=5) | 78-97% | 98-105% | 85-105% | 83-90% |
| EDTA plasma(n=5) | 79-88% | 78-90% | 92-104% | 98-105% |
| heparin plasma(n=5) | 98-105% | 85-97% | 95-104% | 93-104% |
Stability
The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.
Reagents and materials provided
| Reagents | Quantity | Reagents | Quantity |
| Pre-coated, ready to use 96-well strip plate | 1 | Plate sealer for 96 wells | 4 |
| Standard | 2 | Standard Diluent | 1×20mL |
| Detection Reagent A | 1×60µL | Assay Diluent A | 1×6mL |
| Detection Reagent B | 1×60µL | Assay Diluent B | 1×6mL |
| TMB Substrate | 1×4.5mL | Stop Solution | 1×3mL |
| Wash Buffer (30 × concentrate) | 1×10mL | Instruction manual | 1 |
Assay procedure summary
1. Prepare all reagents, samples and standards;
2. Add 25µL standard or sample to each well. Incubate 1 hour at 37°C;
3. Aspirate and add 25µL prepared Detection Reagent A. Incubate 1 hour at 37°C;
4. Aspirate and wash 3 times;
5. Add 25µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
6. Aspirate and wash 5 times;
7. Add 25µL Substrate Solution. Incubate 10-20 minutes at 37°C;
8. Add 20µL Stop Solution. Read at 450nm immediately.
Test principle
The test principle applied in this kit is Sandwich enzyme immunoassay. The microtiter plate provided in this kit has been pre-coated with an antibody specific to Mini Samples Angiopoietin Like Protein 8 (ANGPTL8). Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to Mini Samples Angiopoietin Like Protein 8 (ANGPTL8). Next, Avidin conjugated to Horseradish Peroxidase (HRP) is added to each microplate well and incubated. After TMB substrate solution is added, only those wells that contain Mini Samples Angiopoietin Like Protein 8 (ANGPTL8), biotin-conjugated antibody and enzyme-conjugated Avidin will exhibit a change in color. The enzyme-substrate reaction is terminated by the addition of sulphuric acid solution and the color change is measured spectrophotometrically at a wavelength of 450nm ± 10nm. The concentration of Mini Samples Angiopoietin Like Protein 8 (ANGPTL8) in the samples is then determined by comparing the O.D. of the samples to the standard curve.
Giveaways
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Citations
- Increased Maternal and Cord Blood Betatrophin in Gestational DiabetesPubMed: 26115519
- Serum betatrophin level increased in subjects with metabolic syndrome: a case-control studywp-content:10563
- Serum betatrophin level increased in subjects with nonalcoholic fatty liver diseasefiles:ijcem0020951.pdf
- Resolving Discrepant Findings on ANGPTL8 in β-Cell Proliferation: A Collaborative Approach to Resolving the Betatrophin Controversypubmed:27410263
- Relationship between serum betatrophin levels and the first-phase of glucose-stimulated insulin secretionpubmed:27554132
- Aumento del nivel de betatrofina en suero en sujetos con síndrome metabólico: estudio de casos y controles:
- Levels of betatrophin decrease during pregnancy despite increased insulin resistance, beta-cellfunction and triglyceride levels.pubmed:27555469
- Decreased circulating levels of betatrophin in Chinese women with polycystic ovary syndrome:
- Serum concentrations of betatrophin and its association with indirect indices of insulin resistance and beta cell function in women with polycystic ovary …pubmed:28702052
- Angiopoietin-like protein 8: an attractive biomarker for the evaluation of subjects with insulin resistance and related disorderspubmed:28965028
- ANGPTL8 (Betatrophin) Role in Diabetes and Metabolic Diseasespubmed:28722798
- The Correlation Between Circulating Betatrophin and Insulin Resistance in General Population: A Meta-Analysispubmed:28931172
- ANGPTL8: an important regulator in metabolic disordersPubmed:29719529
- ChREBP Reciprocally Regulates Liver and Plasma Triacylglycerol Levels in Different MannersPubmed: 30405056
- Angptl8 mediates food-driven resetting of hepatic circadian clock in micePubmed: 31388006
- The Impact of Psoriasis and Metabolic Syndrome on the Systemic Inflammation and Oxidative Damage to Nucleic AcidsPubmed: 32537470
- Genetic and Metabolic Determinants of Plasma Levels of ANGPTL833619548
- Association of betatrophin amounts with 25-(OH) D levels in patients with gestational diabetes mellitus33879746
- Effect of Ileal Transposition (IT) on Angiopoietin-Like Protein-8 (ANGPTL8) and Pentraxin (PTX3) Plasma Level in Sprague-Dawley Rats Fed High-Fat Diet?¡34035808