Multiplex Assay Kit for Gastrin (GT) ,etc. by CBA (Cytometric Bead Array) 
GAST; GAS; Gastrin component I; Big gastrin; Gastrin component II; Gastrin component III
Overview
Properties
- Product No.CMB224Gu
- Organism SpeciesCavia (Guinea pig ) Same name, Different species.
- ApplicationsFLIA Kit for Antigen Detection.
Research use only - DownloadInstruction Manual
- CategoryMetabolic pathwayEndocrinologyGastroenterologyHormone metabolism
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Packages (Simulation)
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Packages (Simulation)
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ISO9001: 2008, ISO13485: 2003 Registered
Recovery
Matrices listed below were spiked with certain level of recombinant Gastrin (GT) ,etc. by CBA (Cytometric Bead Array) and the recovery rates were calculated by comparing the measured value to the expected amount of Gastrin (GT) ,etc. by CBA (Cytometric Bead Array) in samples.
| Matrix | Recovery range (%) | Average(%) |
| serum(n=5) | 93-105 | 99 |
| EDTA plasma(n=5) | 95-102 | 99 |
| heparin plasma(n=5) | 94-105 | 98 |
Precision
Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Gastrin (GT) ,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 Gastrin (GT) ,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 Gastrin (GT) ,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) | 88-97% | 94-102% | 96-105% | 86-94% |
| EDTA plasma(n=5) | 90-101% | 82-99% | 98-105% | 80-92% |
| heparin plasma(n=5) | 78-102% | 84-95% | 86-94% | 78-96% |
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 |
| 96-well plate | 1 | Plate sealer for 96 wells | 4 |
| Pre-Mixed Standard | 2 | Standard Diluent | 1×20mL |
| Pre-Mixed Magnetic beads (22#:GT) | 1 | Analysis buffer | 1×20mL |
| Pre-Mixed Detection Reagent A | 1×120μL | Assay Diluent A | 1×12mL |
| Detection Reagent B (PE-SA) | 1×120μL | Assay Diluent B | 1×12mL |
| Sheath Fluid | 1×10mL | Wash Buffer (30 × concentrate) | 1×20mL |
| Instruction manual | 1 |
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 50μL standard or sample to each well, add 50μL prepared Detection Reagent A, add 10μL magnetic beads, and incubate 90 minutes protect from light at 25°C on shaker;
4. Remove liquid on magnetic frame, add 100μL prepared Detection Reagent B, and incubate 30 minutes protect from light at 25°C on shaker;
5. Wash plate once on magnetic frame;
6. Add 100μL sheath fluid, swirl for 10 minutes, read on the machine.
Test principle
Anti-Gastrin (GT) ,etc. by CBA (Cytometric Bead Array) antibody was coated on the surface of magnetic beads. A competitive inhibition reaction is launched between biotin labeled Gastrin (GT) ,etc. by CBA (Cytometric Bead Array) and unlabeled Gastrin (GT) ,etc. by CBA (Cytometric Bead Array) (Standards or samples) with the pre-coated antibody specific to Gastrin (GT) ,etc. by CBA (Cytometric Bead Array). PE-labeled avidin was added. The amount of bound PE conjugate is reverse proportional to the concentration of Gastrin (GT) ,etc. by CBA (Cytometric Bead Array) in the sample, the intensity of MFI developed is reverse proportional to the concentration of Gastrin (GT) ,etc. by CBA (Cytometric Bead Array) in the sample. Flow Cytometer was used to determine and calculate the sample concentration.
Giveaways
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Citations
- Omeprazole improves the antiobesity and antidiabetic activity of Exendin-4 in db/db mice.PubMed: 22830490
- Liver-Derived Systemic Factors Drive b Cell Hyperplasia in Insulin-Resistant StatesPubMed: PMC3655439
- Lansoprazole enhances the antidiabetic effect of sitagliptin in mice with diet-induced obesity and healthy human subjectsPubmed: 24628303
- Combination of omeprazole with GLP-1 agonist therapy improves insulin sensitivity and antioxidant activity in liver in type 1 diabetic micePubmed: 24145087
- Roles of sphincter of Oddi motility and serum vasoactive intestinal peptide, gastrin and cholecystokinin octapeptideNCBI: PMC4000510
- 清醒状态下热射病大鼠胃肠动力与胃泌素、胃动素的变化Wjgnet:Source
- Effects of sphincter of Oddi motility on the formation of cholesterol gallstonesPubmed:27350732
- Engineering bioinspired bacteria-adhesive clay nanoparticles with a membrane-disruptiveproperty for the treatment of Helicobacter pylori infection.pubmed:27605059
- The Effect of Salt Intake and Potassium Supplementation on Serum Gastrin Levels in Chinese Adults: A Randomized Trialpubmed:28420122
- Positive enhancement of Lactobacillus fermentum HY01 on intestinal movements of mice having constipation10.1007/s13765-017-0327-3
- Protective Effect of Silkworm Pupa Oil on Hydrochloric Acid/Ethanol‐Induced Gastric UlcerPubmed: 30479041
- Ganjiang granule regulates cecal microflora and serum biochemical components in a rat model of constipation-predominant irritable bowel syndrome
- The Inhibitory Effects of Naringin in a Rat Model of Postoperative Intraperitoneal Adhesion FormationPubmed:35069760