I4032
Interleukin-21 from mouse
≥97% (SDS-PAGE), recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture
Sinónimos:
IL-21
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About This Item
Productos recomendados
biological source
mouse
recombinant
expressed in E. coli
assay
≥97% (SDS-PAGE)
form
lyophilized powder
potency
40-120 ng/mL ED50
mol wt
predicted mol wt ~14.4 kDa
packaging
pkg of 10 μg
storage condition
avoid repeated freeze/thaw cycles
technique(s)
cell culture | mammalian: suitable
impurities
endotoxin, tested
UniProt accession no.
storage temp.
−20°C
Gene Information
mouse ... Il21(60505)
Biochem/physiol Actions
IL-21 (interleukin-21) belongs to the IL-2 cytokine family. It is secreted by CD4+ T, natural killer (NK) and Th17 cells. IL-21 associates with IL-21 receptor and participates in B-cell proliferation, differentiation as well as apoptosis. It also promotes the cytotoxic activity of CD8+ T cells and natural killer cells.IL-21 plays a crucial role in the differentiation of follicular helper T cells. It also exhibits antitumor activity. It is also involved in the activation of JAK-STAT (Janus kinase - signal transducer and activator of transcription), PI3K (phosphatidylinositol 3-kinase) and MAPK (mitogen activated protein kinase) pathways.
IL-21 and its receptor have important roles in T and B cell proliferation and natural killer cell maturation. Human and mouse IL-21 share 57% amino acid identity.
Physical form
Lyophilized from a 0.2 μm filtered solution in phosphate buffered saline containing 0.5 mg bovine serum albumin.
Analysis Note
The biological activity is measured by its ability to induce proliferation of human N1186 T cells.
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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S Lajoie et al.
Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology, 44(7), 976-985 (2014-05-09)
Interleukin-21 (IL-21) has been implicated in the development of Th2-mediated immune responses; however, the exact role it plays in allergic diseases is not well understood. To elucidate the contribution of IL-21 receptor signalling to Th2-dependent immune responses in the lung.
Cecile M Krejsa et al.
PloS one, 8(6), e67256-e67256 (2013-07-05)
Rituximab, a monoclonal antibody targeting CD20 on B cells, is currently used to treat many subtypes of B cell lymphomas. However, treatment is not curative and response rates are variable. Recombinant interleukin-21 (rIL-21) is a cytokine that enhances immune effector
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