Human IL-21 non-lytic Recombinant Protein Fc Tag Lyophilized from Innovative Research has been recombinantly produced in CHO cells. This is a Lyophilized protein buffered in Lyophilized from 0.2um-filtered solution in PBS. Reconstitute in 50 and#956;l sterile water. Add 1X PBS to the desired protein concentration. with a purity of >98% (SDS-PAGE). Endotoxin level is less than 0.06EU/ and#956;g protein (LAL test; Lonza)..More Details: Species: Human Target: IL21 Purity: >98% (SDS-PAGE). Endotoxin level is less than 0.06EU/ and#956;g protein (LAL test; Lonza). Source: CHO cells Storage Conditions: Stable for at least 1 year after receipt when stored at -20░C. Working aliquots are stable for up to 3 months when stored at -20░C.
Additional Information:
Interleukin-21 (IL-21) is a key factor in the transition between innate and adaptive immune responses secreted by activated T cells. The IL-21 receptor (IL-21R) is expressed in lymphoid tissue, in particular by NK, B, T and dendritic cells, macrophages and endothelial cells. Recent evidence suggests that IL-21 plays a supportive role in the proliferation of T and B cells and influences the cytolytic activity of natural killer cells. IL-21 has been shown to up-regulate genes associated with innate immunity and to inhibit the differentiation of naive T helper cells. IL-21 specifically inhibits IFN-gamma production from developing TH1 cells and is preferentially expressed by TH2 cells. Furthermore IL-21 has been identified as a growth and survival factor for human myeloma cells. IL-21/IL-21R interactions have a unique role in sequentially activating both innate and adaptive immune responses against poorly immunogenic tumors, leading to tumor rejection that is perforin dependent but IFN-gamma independent.This recombinant proteins is for research use only.. At Innovative Research we provide reliable, consistent products that deliver reliable, consistent results.
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