Multiplex Assay Kit for Glutathione Peroxidase 3, Plasma (GPX3) ,etc. by CBA (Cytometric Bead Array)
GSHPX3; GPx-P; GSHPx-P; GPXP; Plasma glutathione peroxidase; Extracellular glutathione peroxidase
Overview
Properties
- Product No.CMC992Ra
- Organism SpeciesRattus norvegicus (Rat) Same name, Different species.
- ApplicationsFLIA Kit for Antigen Detection.
Research use only - DownloadInstruction Manual
- CategoryEnzyme & Kinase
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Recovery
Matrices listed below were spiked with certain level of recombinant Glutathione Peroxidase 3, Plasma (GPX3) ,etc. by CBA (Cytometric Bead Array) and the recovery rates were calculated by comparing the measured value to the expected amount of Glutathione Peroxidase 3, Plasma (GPX3) ,etc. by CBA (Cytometric Bead Array) in samples.
| Matrix | Recovery range (%) | Average(%) |
| serum(n=5) | 79-92 | 86 |
| EDTA plasma(n=5) | 86-94 | 89 |
| heparin plasma(n=5) | 78-89 | 85 |
Precision
Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Glutathione Peroxidase 3, Plasma (GPX3) ,etc. by CBA (Cytometric Bead Array) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Glutathione Peroxidase 3, Plasma (GPX3) ,etc. by CBA (Cytometric Bead Array) 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 Glutathione Peroxidase 3, Plasma (GPX3) ,etc. by CBA (Cytometric Bead Array) 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) | 98-105% | 98-105% | 98-105% | 81-91% |
| EDTA plasma(n=5) | 97-104% | 87-96% | 94-102% | 84-101% |
| heparin plasma(n=5) | 96-105% | 84-98% | 94-102% | 98-105% |
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 |
Assay procedure summary
1. Add 200μL analysis buffer solution to each well of the plate for pre-wetting;
2. Preparation of standards, reagents and samples before the experiment;
3. Add 100μL standard or sample to each well, add 10μL magnetic beads, and incubate 120 minutes protect from light at 25°C on shaker;
4. Remove liquid on magnetic frame, add 100μL prepared Detection Reagent A. Incubate 60 minutes protect from light at 25°C on shaker;
5. Remove liquid on magnetic frame, add 100μL prepared Detection Reagent B, and incubate 30 minutes protect from light at 25°C on shaker;
6. Wash plate once on magnetic frame;
7. Add 100μL sheath fluid, swirl for 10 minutes, read on the machine.
Test principle
Anti-Glutathione Peroxidase 3, Plasma (GPX3) ,etc. by CBA (Cytometric Bead Array) antibody was coated on the surface of magnetic beads, to make solid phase carrier. Standard or sample were added to the magnetic beads, respectively, in which Glutathione Peroxidase 3, Plasma (GPX3) ,etc. by CBA (Cytometric Bead Array) was bound to the antibody connected to the solid phase carrier, and then biotinylated anti-Glutathione Peroxidase 3, Plasma (GPX3) ,etc. by CBA (Cytometric Bead Array) antibodies were added. PE-labeled avidin was added. There is a positive correlation between the concentration of Glutathione Peroxidase 3, Plasma (GPX3) ,etc. by CBA (Cytometric Bead Array) in the sample and corresponding value of MFI (Median Fluorescence Intensity). Flow Cytometer was used to determine and calculate the sample concentration.
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Citations
- Alteration in the intrafollicular thiol–redox system in infertile women with endometriosisPubmed:25376627
- Endothelial function impairment in STEMI patients with out-of-hospital cardiac arrest under therapeutic hypothermia treatment.pubmed:28087172
- Comparison of Extracellular and Intracellular Blood Compartments Highlights Redox Alterations in Alzheimer's and Mild Cognitive Impairment Patients.pubmed:27748187
- Burn Serum Increases Staphylococcus aureus Biofilm Formation via Oxidative Stress.pubmed:28702016
- Hydrogen peroxide-induced mitophagy contributes to laryngeal cancer cells survival via the upregulation of FUNDC1Pubmed: 30284230
- Kidney toxicity and response of selenium containing protein-glutathione peroxidase (Gpx3) to CdTe QDs on different levelsPubmed: 30535317
- Human Plasma Protein (s) Based Conceptual Diagnostic Tool for Altitude-Acclimation Assessment
- Dietary selenium deficiency or selenomethionine excess drastically alters organ selenium contents without altering the expression of most selenoproteins in mice
- Molecular mechanisms of lead-induced changes of selenium status in mice livers through interacting with selenoprotein P
- In vivo and in vitro studies on inactivation of selenium containing protein-glutathione peroxidase 3 in mice nephrocytes caused by leadPubmed: 32678766
- Selenium–GPX4 axis protects follicular helper T cells from ferroptosis34413521
- Experimental nephrotic syndrome in mice with an inducible deletion of podocin and the role of plasminogen in sodium retention
