ELISA Kit for Cytochrome P450 2E1 (CYP2E1) Rattus norvegicus (Rat) Sandwich ELISA

CPE1; CYPIIE1; P450-J; P450C2E; 4-nitrophenol 2-hydroxylase; Cytochrome P450 Family 2 Subfamily E 1; Cytochrome P450,Subfamily IIE(Ethanol-Inducible)Polypeptide 1

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  • ELISA Kit for Cytochrome P450 2E1 (CYP2E1) Packages (Simulation)
  • ELISA Kit for Cytochrome P450 2E1 (CYP2E1) Packages (Simulation)
  • ELISA Kit for Cytochrome P450 2E1 (CYP2E1) Results demonstration
  • SEA988Ra.jpg Typical Standard Curve
  • Certificate ISO9001: 2008, ISO13485: 2003 Registered

Recovery

Matrices listed below were spiked with certain level of recombinant Cytochrome P450 2E1 (CYP2E1) and the recovery rates were calculated by comparing the measured value to the expected amount of Cytochrome P450 2E1 (CYP2E1) in samples.

Matrix Recovery range (%) Average(%)
serum(n=5) 86-96 90
EDTA plasma(n=5) 83-97 93
heparin plasma(n=5) 81-101 88

Precision

Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Cytochrome P450 2E1 (CYP2E1) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Cytochrome P450 2E1 (CYP2E1) 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 Cytochrome P450 2E1 (CYP2E1) 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) 96-104% 98-105% 78-104% 90-103%
EDTA plasma(n=5) 83-102% 78-101% 92-103% 79-97%
heparin plasma(n=5) 92-101% 94-105% 96-104% 79-94%

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 1×120µL Assay Diluent A 1×12mL
Detection Reagent B 1×120µL Assay Diluent B 1×12mL
TMB Substrate 1×9mL Stop Solution 1×6mL
Wash Buffer (30 × concentrate) 1×20mL Instruction manual 1

Assay procedure summary

1. Prepare all reagents, samples and standards;
2. Add 100µL standard or sample to each well. Incubate 1 hours at 37°C;
3. Aspirate and add 100µL prepared Detection Reagent A. Incubate 1 hour at 37°C;
4. Aspirate and wash 3 times;
5. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
6. Aspirate and wash 5 times;
7. Add 90µL Substrate Solution. Incubate 10-20 minutes at 37°C;
8. Add 50µL Stop Solution. Read at 450nm immediately.

ELISA Kit for Cytochrome P450 2E1 (CYP2E1)

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 Cytochrome P450 2E1 (CYP2E1). Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to Cytochrome P450 2E1 (CYP2E1). 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 Cytochrome P450 2E1 (CYP2E1), 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 Cytochrome P450 2E1 (CYP2E1) in the samples is then determined by comparing the O.D. of the samples to the standard curve.

Citations

  • Hepatoprotective effect of ethanolic extract of Curcuma longa on thioacetamide induced liver cirrhosis in ratsPubMed: PMC3605171
  • Mechanism of Hepatoprotective Effect of Boesenbergia rotunda in Thioacetamide-Induced Liver Damage in RatsPubMed: PMC3749608
  • CCl4-induced hepatotoxicity: protective effect of rutin on p53, CYP2E1 and the antioxidative status in ratPubMed: PMC3519517
  • Hepatoprotective Effect of Methanolic Stem Extract of Bush Cane (Costus Afer) on Immunologic Response Generated Reactive Oxygen Species (ROS) in Alcohol Induced Liver Cirrhosis in Rats. Ajbpr:Source
  • Pass-predicted hepatoprotective activity of Caesalpinia sappan in thioacetamide-induced liver fibrosis in ratsPubmed:24701154
  • Protective effect of Djulis (Chenopodium formosanum) and its bioactive compounds against carbon tetrachloride-induced liver injury, in vivopublication:307092820
  • Haloperidol loaded carboxymethyl chitosan nanoparticles reduce Oxidative stress, Mitochondria dysfunction and DNA damage in hepatic cells of male rats.59f7c85aaca272607e2d8d7a
  • Toxicity assessment due to prenatal and lactational exposure to lead, cadmium and mercury mixturesPubmed: 31639605
  • Oxidative Stress Parameters in the Liver of Growing Male Rats Receiving Various Alcoholic BeveragesPubmed: 31935882
  • Ellagic Acid Prevents Binge Alcohol-Induced Leaky Gut and Liver Injury through Inhibiting Gut Dysbiosis and Oxidative Stress34573017

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