Interleukin 21 (IL21) Antibody (Biotin)

Product specifications

Primary Antibodies

Interleukin 21 (IL21)

Rabbit

Human

WB: 0.5-2 µg/ml, IHC: 5-20 µg/ml, IF/ICC: 5-20 µg/ml. Optimal dilutions/concentrations should be determined by the end user.

Polyclonal

Biotin

IgG

Purified by antigen-specific affinity chromatography.

200 µl

1 ml

Liquid

WB, IHC, IF/ICC

0.01 M PBS, pH 7.4, containing 0.05% Proclin-300, 50% glycerol.

Shipped within 5-15 working days.

Aliquot and store at -20°C. Avoid repeated freeze/thaw cycles.

No

Za11,IL-21,CVID11

Antibody anti-IL21

RUO

Descripción

Interleukin 21 (IL21) is a potent cytokine produced primarily by activated CD4+ T cells, particularly T follicular helper (Tfh) cells and T helper 17 (Th17) cells. It belongs to the type I cytokine family and plays a critical role in regulating both innate and adaptive immune responses. IL-21 acts on a variety of immune cells, including B cells, T cells, natural killer (NK) cells, and dendritic cells (DCs), modulating their proliferation, differentiation, and functional activities. Its broad immunomodulatory effects make it a key regulator of immune homeostasis, inflammation, and host defense against pathogens and tumors. IL-21 is crucial for the development of germinal centers and the production of high-affinity antibodies, particularly through its regulation of B cell differentiation and antibody class switching. It also plays a significant role in promoting the cytotoxic activity of NK cells and CD8+ T cells, which are essential for anti-tumor and antiviral immunity

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