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Invitrogen™ IL-21 Mouse Uncoated ELISA Kit

Uncoated ELISA Kit

Brand:  Invitrogen™ 88-8210-88

Code : NEW

Additional Details : Weight : 0.23750kg

Product Code. 15581207

  • £301.00 / Pack of 10


Estimated Shipment
22-12-2020
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Includes: Capture Antibody: Pre-titrated, purified antibody
Detection Antibody. Pre-titrated, biotin-conjugated antibody
Standard. Recombinant cytokine for generating standard curve and calibrating samples
Coating Buffer. 10X PBS ELISA Coating Buffer
Assay Diluent. 5X concentrated
Detection enzyme. Pre-titrated Avidin-HRP
Substrate Solution. Tetramethylbenzidine (TMB) Substrate Solution

Description

Description

IL-21 is a 17 kDa immunomodulatory cytokine produced mainly by Natural Killer Cells (NKT), T helper (Th) 17 and T follicular helper (TFH) cells. In TFH cells, IL-21 expression leads to autocrine signaling through the IL-21 receptor (IL-21R) and STAT3, which leads to additional transcriptional activation by Bcl6. As with IFN gamma for Th1 and IL-4 for Th2 cells, IL-21 is critical for TFH cell development and effector function. IL-21 plays a role in T cell-dependent B cell differentiation into plasma cells and memory cells, stimulation of IgG production and induction of apoptotic signaling in naive B cells. In Th17 cells, IL-21 expression and autocrine feedback through STAT3, IRF4 and ROR gamma t lead to upregulation of the IL-23R, thereby preparing Th17 cells for maturation and maintenance by the inflammatory cytokine IL-23. While upregulating IRF4 and ROR gamma t, IL-21 also mediates the downregulation of Foxp3. IL-21 deficient mice are protected from developing colitis upon chemical treatment by their inability to upregulate Th17-associated molecules. In comparison, elevated levels of IL-21 are present in chemically-induced colitis mouse models.
Specifications

Specifications

Q9ES17
Biotin
60505
ELISA Kit
16 pg/mL
2°C to 8°C
24 hr. 30 min.
G0S19-1,LD78ALPHA,MIP-1-alpha,MIP1A,SCYA3
10 x 96 Tests
Supernatant
Colorimetric Microplate Reader
16-2,000 pg/mL
ELISA
Capture Antibody: Pre-titrated; purified antibody, Detection Antibody: Pre-titrated; biotin-conjugated antibody, Standard: Recombinant cytokine for generating standard curve and calibrating samples, Coating Buffer: 10X PBS ELISA Coating Buffer, Assay Diluent: 5X concentrated, Detection enzyme: Pre-titrated Avidin-HRP, Substrate Solution: Tetramethylbenzidine (TMB) Substrate Solution, Certificate of Analysis: Lot-specific instructions for dilution of antibodies and standards, 96 Well Plate: NUNC Maxisorp flat-bottom (included with product Cat. Nos. ending in suffixes -22; -44; -76; -86)
RUO
Serum, 100 μL|Supernatant, 100 μL
1 hr. 45 min.
Mouse
Interleukin-21
Mouse
HRP
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SDS
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For Research Use Only