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生物来源
mouse
重组
expressed in E. coli
方案
≥97% (SDS-PAGE)
表单
lyophilized powder
效能
40-120 ng/mL ED50
分子量
predicted mol wt ~14.4 kDa
包装
pkg of 10 μg
储存条件
avoid repeated freeze/thaw cycles
技术
cell culture | mammalian: suitable
杂质
endotoxin, tested
UniProt登记号
储存温度
−20°C
基因信息
mouse ... Il21(60505)
生化/生理作用
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.
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.
外形
Lyophilized from a 0.2 μm filtered solution in phosphate buffered saline containing 0.5 mg bovine serum albumin.
分析说明
The biological activity is measured by its ability to induce proliferation of human N1186 T cells.
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
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
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
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
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
Deepak Mittal et al.
Cancer research, 76(2), 264-274 (2016-01-09)
The HER2/ErbB2 monoclonal antibody (mAb) trastuzumab is combined with chemotherapy as a standard-of-care for newly diagnosed HER2(+) breast cancer patients, but some patients treated with this combination therapy experience early relapse. Our analysis of data from a clinical trial evaluating
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