Key Product Details

Species Reactivity

Mouse

Applications

CyTOF-ready, Intracellular Staining by Flow Cytometry, Western Blot

Label

DyLight 488 (Excitation = 493 nm, Emission = 518 nm)

Antibody Source

Recombinant Monoclonal Rat IgG2B Clone # 149204

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

View all IL-21 Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant mouse IL-21
Pro25-Ser146
Accession # Q9ES17

Reactivity Notes

0

Specificity

Detects mouse IL-21 in Western blots. Does not cross-react with recombinant human IL‑21, recombinant mouse (rm) IL‑15, or rmIL‑12.

Clonality

Monoclonal

Host

Rat

Isotype

IgG2B

Applications for IL-21 Antibody (149204) [DyLight 488]

Application
Recommended Usage

CyTOF-ready

Optimal dilutions of this antibody should be experimentally determined.

Intracellular Staining by Flow Cytometry

Optimal dilutions of this antibody should be experimentally determined.

Western Blot

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Formulation

50mM Sodium Borate

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C in the dark.

Background: IL-21

IL-21 (Interleukin-21) is member of the family of cytokines that utilize the common gamma chain as a receptor subunit. This subunit is also a component of the receptors for IL-2, IL-4, IL-7, IL-9, and IL-15. IL-21 is produced by activated T follicular helper cells (Tfh), Th17 cells, and NKT cells. It exerts its biological effects through a heterodimeric receptor complex of the common gamma chain and the IL-21-specific IL-21 R. IL-21 supports Tfh cell development, immunoglobulin affinity maturation, plasma cell differentiation, B cell memory responses, and the migration of dendritic cells to draining lymph nodes. It costimulates the activation, proliferation, and survival of CD8+ T cells and NKT cells and promotes Th17 cell polarization. It blocks the generation of regulatory T cells and their suppressive effects on CD4+ T cells. In addition, IL-21 suppresses cutaneous hypersensitivity reactions by limiting allergen-specific IgE production and mast cell degranulation.

Long Name

Interleukin 21

Alternate Names

CVID11, IL21, Za11

Gene Symbol

IL21

Additional IL-21 Products

Product Documents for IL-21 Antibody (149204) [DyLight 488]

Product Datasheets

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Download SDS

Product Specific Notices for IL-21 Antibody (149204) [DyLight 488]

DyLight (R) is a trademark of Thermo Fisher Scientific Inc. and its subsidiaries.

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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