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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Chi-Keung Wan et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(30), 9394-9399 (2015-07-15)
IL-21 is a type I cytokine essential for immune cell differentiation and function. Although IL-21 can activate several STAT family transcription factors, previous studies focused mainly on the role of STAT3 in IL-21 signaling. Here, we investigated the role of
Mark J Kwakkenbos et al.
Nature medicine, 16(1), 123-128 (2009-12-22)
The B cell lymphoma-6 (Bcl-6) and Bcl-xL proteins are expressed in germinal center B cells and enable them to endure the proliferative and mutagenic environment of the germinal center. By introducing these genes into peripheral blood memory B cells and
Antigen-specific monoclonal antibodies isolated from B cells expressing constitutively active STAT5.
Ferenc A Scheeren et al.
PloS one, 6(4), e17189-e17189 (2011-04-29)
Fully human monoclonal antibodies directed against specific pathogens have a high therapeutic potential, but are difficult to generate. Memory B cells were immortalized by expressing an inducible active mutant of the transcription factor Signal Transducer and Activator of Transcription 5
Taishi Takahara et al.
Cancer science, 107(11), 1572-1580 (2016-08-26)
Diffuse large B-cell lymphoma (DLBCL) is the most common subtype of malignant lymphoma; it derives from germinal center B cells. Although DLBCL harbors many genetic alterations, synergistic roles between such alterations in the development of lymphoma are largely undefined. We
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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