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IL-21 Monoclonal Antibody (mhalx21), PE-Cyanine7, eBioscience™, Invitrogen™

Rat Monoclonal Antibody

$207.00 - $472.00

Specifications

Antigen IL-21
Clone mhalx21
Concentration 0.2 mg/mL
Applications Flow Cytometry
Classification Monoclonal
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Products 2
Catalog Number Mfr. No. Quantity Price Quantity & Availability  
Catalog Number Mfr. No. Quantity Price Quantity & Availability  
25-721-380
Encompass_Preferred
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LIFE TECHNOLOGIES
25721380
25 μg
Each for $207.00
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25-721-382
Encompass_Preferred
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LIFE TECHNOLOGIES
25721382
100 μg
Each for $472.00
Only null left
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Description

Description

Description: The monoclonal antibody mhalx21 reacts with mouse interleukin-21 (IL-21). IL-21 is a 17 kDa immunomodulatory cytokine produced mainly by 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, IL-4 for Th2 and IL-17A for Th17, IL-21 is critical for Tfh cell effector function. This cytokine 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 maintece by the inflammatory cytokine IL-23. While upregulating IRF4 and ROR gamma t, IL-21 also mediates the downregulation of Foxp3. High levels of IL-21 are present in chemically-induced colitis models. IL-21-deficient mice are protected from developing colitis upon chemical treatment by their inability to upregulate Th17-associated molecules. Preliminary data suggest that clone mhalx21 recognizes a different epitope than anti-mouse IL-21 clone FFA21 (cat. 51-7211). Applications Reported: This mhalx21 antibody has been reported for use in intracellular staining followed by flow cytometric analysis.

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

IL-21
0.2 mg/mL
Monoclonal
Liquid
RUO
PBS with 0.09% sodium azide; pH 7.2
CVID11; CX2; il 21; IL21; IL-21; ILN; Interleukin; interleukin 21; Interleukin21; interleukin-21; interleukin-21 isoform; porcine interleukin-21; Za11
IL21
Primary
4°C, store in dark, DO NOT FREEZE!
IL21
mhalx21
Flow Cytometry
PE-Cyanine7
Rat
Mouse
Q9ES17
60505
IgG2a κ
Affinity chromatography
Antibody
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