ELISA/assay

Major Basic Protein (MBP) ELISA Kit

MBS2019468

48-Strip-Wells

540 USD

ELISA Kit

Major Basic Protein (MBP) ELISA Kit

Major Basic Protein (MBP)

PRG2; BMPG; Proteoglycan 2; Bone Marrow,Natural Killer Cell Activator; Eosinophil Granule Major Basic Protein; Proteoglycan 2,Bone Marrow; Pregnancy-associated major basic

major basic protein; Bone marrow proteoglycan; bone marrow proteoglycan; proteoglycan 2, bone marrow (natural killer cell activator, eosinophil granule major basic protein); Proteoglycan 2

MBP

PRG2; PRG2; MBP; BMPG; MBP1; MBP; BMPG; EMBP; MBP

PRG2_HUMAN

Human

222

This assay has high sensitivity and excellent specificity for detection of Major Basic Protein (MBP). No significant cross-reactivity or interference between Major Basic Protein (MBP) and analogues was observed.

For unopened kit: All the reagents should be kept according to the labels on vials. The Standard, Detection Reagent A, Detection Reagent B and the 96-well strip plate should be stored at -20 degree C upon receipt while the others should be at 4 degree C. For opened kit: When the kit is opened, the remaining reagents still need to be stored according to the above storage condition. Besides, please return the unused wells to the foil pouch containing the desiccant pack, and reseal along entire edge of zip-seal. 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.

Samples: Serum, plasma, tissue homogenates and other biological fluids. Assay Type: Sandwich. Detection Range: 3.13-200ng/mL. Sensitivity: Typically less than 1.16ng/mL.

Precision: Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Major Basic Protein (MBP) were tested 20 times on one plate, respectively. Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Major Basic Protein (MBP) were tested on 3 different plates, 8 replicates in each plate. CV(%) = SD/meanX100 . Intra-Assay: CV<10% . Inter-Assay: CV<12% . Assay Procedure Summary: 1. Prepare all reagents, samples and standards;. 2. Add 100uL standard or sample to each well. Incubate 2 hours at 37 degree C;. 3. Aspirate and add 100uL prepared Detection Reagent A. Incubate 1 hour at 37 degree C;. 4. Aspirate and wash 3 times;. 5. Add 100uL prepared Detection Reagent B. Incubate 30 minutes at 37 degree C;. 6. Aspirate and wash 5 times;. 7. Add 90uL Substrate Solution. Incubate 15-25 minutes at 37 degree C;. 8. Add 50uL Stop Solution. Read at 450nm immediately.

Principle of the Assay: 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 Major Basic Protein (MBP). Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated antibody specific to Major Basic Protein (MBP). 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 Major Basic Protein (MBP), 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 Major Basic Protein (MBP) in the samples is then determined by comparing the O.D. of the samples to the standard curve.

187415

AAA36203.1

P13727

23,901 Da

Asthma Pathway (83120); Asthma Pathway (532)

The protein encoded by this gene is the predominant constituent of the crystalline core of the eosinophil granule. High levels of the proform of this protein are also present in placenta and pregnancy serum, where it exists as a complex with several other proteins including pregnancy-associated plasma protein A (PAPPA), angiotensinogen (AGT), and C3dg. This protein may be involved in antiparasitic defense mechanisms as a cytotoxin and helminthotoxin, and in immune hypersensitivity reactions. The encoded protein contains a peptide that displays potent antimicrobial activity against Gram-positive bacteria, Gram-negative bacteria, and fungi. It is directly implicated in epithelial cell damage, exfoliation, and bronchospasm in allergic diseases. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2014]

PRG2: Cytotoxin and helminthotoxin. Also induces non-cytolytic histamine release from human basophils. Involved in antiparasitic defense mechanisms and immune hypersensitivity reactions. The proform acts as a proteinase inhibitor, reducing the activity of PAPPA. Protein type: Vesicle; Secreted, signal peptide; Secreted. Chromosomal Location of Human Ortholog: 11q12. Cellular Component: transport vesicle; extracellular region. Molecular Function: heparin binding; carbohydrate binding. Biological Process: positive regulation of interleukin-4 production; negative regulation of interleukin-10 production; defense response to bacterium; immune response; defense response to nematode

48-Strip-Wells

540 USD

96-Strip-Wells

730

5x96-Strip-Wells

2830

10x96-Strip-Wells

5080