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IL21 Rabbit anti-Human, Polyclonal, Proteintech Non-distribution product as customer accommodation.

Rabbit Polyclonal Antibody

Manufacturer:  Proteintech Group IncSupplier Diversity Partner 176251AP

Catalog No. 50-173-1690


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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 maintece 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

IL21
0.13 mg/mL
PBS with 50% glycerol and 0.1% sodium azide; pH 7.3
Q9HBE4
IL 21, IL21, interleukin 21, Za11
Rabbit
IgG
150 μL
-20°C
Primary
59067
Immunohistochemistry (Paraffin), Western Blot
Unconjugated
IL21
Liquid
IL21
IL21 Fusion Protein Ag11838
Antigen Affinity Chromatography
RUO
Antibody
Polyclonal
Human
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