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Merck

I4032

Sigma-Aldrich

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

MDL number:
UNSPSC Code:
12352202
NACRES:
NA.32

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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Mantle cell lymphoma (MCL) is a distinct subtype of non-Hodgkin lymphoma characterized by overexpression of cyclin D1 in 95% of patients. MCL patients experience frequent relapses resulting in median survival of 3 to 5 years, requiring more efficient therapeutic regimens.
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Passive transfer of antibodies not only provides immediate short-term protection against disease, but also can be exploited as a therapeutic tool. However, the 'humanization' of murine monoclonal antibodies (mAbs) is a time-consuming and expensive process that has the inherent drawback
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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

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