Mouse IL-21 Recombinant Protein LyophilizedIMSIL21RLY2UG
Mouse IL-21 Recombinant Protein Lyophilized from Innovative Research has been recombinantly produced in E. coli. This is a Lyophilized protein buffered in with a purity of Greater than 98% by SDS-PAGE gel and HPLC analyses.
Endotoxin level is less than 0.1 ng per and#956;g (1EU/and#956;g)..
- Species: Mouse
- Target: Il21
Purity: Greater than 98% by SDS-PAGE gel and HPLC analyses.
Endotoxin level is less than 0.1 ng per and#956;g (1EU/and#956;g).
- Source: E. coli
- Storage Conditions: The lyophilized IL-21 recombinant protein is stable for at least 2 years from date of receipt at -20°C. Reconstituted IL-21 is stable for at least 3 months when stored in working aliquots with a carrier protein at -20°C. As with any protein, exposing IL-21 recombinant protein to repeated freeze / thaw cycles is not recommended. When working with proteins care should be taken to keep recombinant protein at a cool and stable temperature.
IL-21 is a pleiotropic cytokine produced by CD4+ T cells in response to antigenic stimulation. Its action generally enhances antigen-specific responses of immune cells. The biological effects of IL-21 include induction of differentiation of T-cells-stimulated-B-cells into plasma cells and memory B-cells, stimulation (in conjunction) with IL-4 of IgG production, and induction of apoptotic effects in naïve B-cells and stimulated B-cells in the absence of T-cell signaling. Additionally, IL-21 promotes the anti-tumor activity of CD8+ T-cells and NK cells. IL-21 exerts its effect through binding to a specific type I cytokine receptor, IL-21R, which also contains the gamma chain (?c) found in other cytokine receptors including IL-2, IL-4, IL-7, IL-9 and IL-15. The IL-21/IL-21R interaction triggers a cascade of events which includes activation of the tyrosine kinases JAK1 and JAK3, followed by activation of the transcription factors STAT1 and STAT3. Recombinant murine IL-21 is a 15.0 kDa protein consisting of 130 amino acid residues.
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This material is sold for in-vitro use only for manufacturing and research. This material is not suitable for human or animal use. While we make every effort to ensure the safety of our products, we recommend handling any biological materials with standard precautions as if capable of spreading infectious disease. The statements herin are offered for informational purposes only to be used solely for your consideration, investigation, and verification.
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