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Invitrogen
LXA4 Competitive ELISA Kit
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Product Specifications
Analytical sensitivity
0.47 ng/mL
Assay range
0.78-50 ng/mL
Sample type/volume
Plasma
50 µL
Serum
50 µL
Hands-on time
1 hr 20 min
Time-to-result
2 hr 30 min
Homogenous (no wash)
No
Interassay CV
<10%
Intraassay CV
<10%
Instrument
Absorbance Microplate Reader
Product size
96 Tests
Contents
Pre-coated 96 well plate, Standard, Biotinylated Detection Antibody, HRP Conjugate, Standard & Sample Diluent, Biotinylated Detection Antibody Diluent, HRP Conjugate Diluent, Wash Buffer, TMB Substrate, Stop Solution, Plate Sealer
Shipping conditions
Wet ice
Storage
Refer to product documentation for component specific storage temperature.
Protein name
LXA4
Protein family
Specialized pro-resolving mediators
Species (tested)
All
Assay kit format
Competitive ELISA
Detector antibody conjugate
Biotin
Label or dye
HRP
About This Kit
The multispecies Lipoxin A4 (LXA4) ELISA quantitates LXA4 in serum, plasma, and other biological fluids
Principle of the method:
The Competitive multispecies ELISA research-use-only kit is designed to quantitatively measure Lipoxin A4 (LXA4) independent of species. A LXA4 standard is provided to generate a standard curve for the assay and all samples are read off a user-generated standard curve. Standards or diluted samples are pipetted into a coated microtiter plate and Biotinylated Detection Ab specific to LXA4is added. Excess conjugate and unbound sample or standard are washed from the plate, and Avidin conjugated to Horseradish Peroxidase (HRP) is added to each well and incubated. Then a TMB substrate solution is added to each well. The enzyme-substrate reaction is terminated by the addition of stop solution and the color change is measured on a microplate reader. The concentration of LXA4 in the samples is then determined by comparing the OD of the samples to the standard curve.
Rigorous validation:
Each manufactured lot of this ELISA kit is quality tested for criteria such as sensitivity, specificity, precision, and lot-to-lot consistency. See manual for more information on validation.
Target information
Lipoxin A4 (LXA4) is a potent lipid mediator that plays a crucial role in resolving inflammation and promoting tissue repair. It is a member of the lipoxin family of eicosanoids, which are derived from arachidonic acid metabolism. LXA4 is primarily produced by leukocytes, including neutrophils, monocytes, and macrophages, in response to inflammatory stimuli. LXA4 exerts its anti-inflammatory and pro-resolving effects by binding to specific receptors on target cells, including ALX/FPR2 and GPR32. These receptors are expressed on various immune cells, endothelial cells, and epithelial cells, and their activation leads to the inhibition of pro-inflammatory signaling pathways and the induction of tissue repair processes. The structure of LXA4 is characterized by a 5S, 6R, 15S-trihydroxy-7E, 9E, 11Z, 13E-eicosatetraenoic acid backbone, with a hydroxyl group at position 17 and a carboxylic acid group at position 16. LXA4 is a stereoisomer of another lipoxin, LXB4, which has an opposite configuration at position 5 and a reduced hydroxyl group at position 15.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases : Lipoxin A4
Performance Guarantee
If an Invitrogen™ immunoassay doesn't perform as described on our website or datasheet,we'll replace the product at no cost to you, or provide you with a credit for a future purchase.*
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