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Invitrogen
Mouse IL-15 Recombinant Protein
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Product Details
14-8153-80
Product Specifications
Expression System
E. coli
Class
Recombinant
Type
Protein
Conjugate
Form
Liquid
Concentration
0.1 mg/mL
Amount
25 µg
Storage conditions
-80°C
Shipping conditions
Dry ice
Product Specific Information
Description: Mouse IL-15 is a 14-15 kDa factor, previously known as IL-T. IL-15 is produced by a variety of cells and has a role in the T cell-mediated immune response and the central nervous system. IL-15 binds to the beta and gamma subunits of the IL-2 receptor also known as CD25. IL-15 is a specific maturation factor for NK cells and mimics the BM microenvironment for NK cell development in vitro. It is reported that IL-15 delivers an anti-apoptotic and survival signal for NK, T, and B cells.
Applications Reported: Recombinant mouse IL-15 is biologically active.
Applications Tested: This recombinant mouse IL-15 has been tested in CTLL-2 cell proliferation assay with an observed ED50 of 100.0 ng/mL, corresponding to a specific activity of approximately 10e4 Units/mg.
Source: E. coli derived, Asn139-Ser152, accession number NM-008357, His-tagged on the N-terminus.
Bioactivity: The bioactivity of recombinant mouse IL-15 was determined by CTLL-2 cell proliferation assay. The ED50 in this assay is 100 ng/mL, which corresponds to a specific activity of 10e4 Units/mg.
Endotoxin: Less than 0.1 ng/ug cytokine as determined by the LAL assay. Purity: >98% as determined by SDS-PAGE.
Molecular Weight: 15 kDa.
Storage and handling: For best recovery, quick-spin vial prior to opening. Use in a sterile environment.
Purity: Greater than 90%, as determined by SDS-PAGE.
Aggregation: Less than 10%, as determined by HPLC.
Filtration: 0.2 µm post-manufacturing filtered.
Target Information
IL-15 (Interleukin 15 ) is a cytokine that regulates T and natural killer cell activation and proliferation. IL-15 and IL-2 share many biological activities as both have been found to bind common hematopoietin receptor subunits, and may compete for the same receptor, and thus negatively regulate each other's activity. The number of CD8+ memory cells is shown to be controlled by a balance between IL-15 and IL-2. IL-15 induces the activation of JAK kinases, as well as the phosphorylation and activation of transcription activators STAT3, STAT5, and STAT6. In mouse, studies suggest that IL-15 may increase the expression of apoptosis inhibitor Bcl-xL, possibly through the transcription activation activity of STAT6, and thus prevent apoptosis. IL-15 plays an important role in the growth and differentiation of T and B lymphocytes, natural killer cells, macrophages, and monocytes as well as activation of a number of important intracellular signaling molecules. As such, IL-15 could be essential for the immune responses, allograft rejection, and the pathogenesis of autoimmune diseases. Further, IL-15 is a widely expressed pro-inflammatory cytokine and has been shown to play a role in several inflammatory disorders, including rheumatoid arthritis, psoriasis and pulmonary inflammatory diseases. Emerging data suggest that IL-15 may serve as a good therapeutic target, as there appears to be a beneficial effect of IL-15 neutralization in models of psoriasis and diabetes.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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