IL-15 is an immunomodulating cytokine that stimulates the proliferation of T lymphocytes and shares many biological properties with IL-2. IL-15 exerts its biological activites primarily on T cells. It is also essential in the development, survival and activation of NK cells. Increased expression of IL-15 has been implicated with rheumatoid arthritis, inflammatory bowl disease and diseases affiliated with retroviruses HIV and HTLV-I. Human IL-15 is biologically active on mouse cells as measured by the dose-dependent stimulation of the proliferation of mouse CTLL cells. Recombinant rat IL-15 is a 13.5kD protein consisting of 115aa.
Source:
Recombinant protein corresponding to rat IL-15, expressed in E.coli.
Biological Activity:
Determined by the dose-dependant stimulation of the proliferation of murine CTLL-2 cells. The ED50 was found to be <10ng/ml
Specific Activity:
>1x10e5units/mg
Endotoxin:
<0.1ng/ug (1EU/ug)
AA Sequence:
MNWIDVRYDL EKIESLIQFI HIDTTLYTDS DFHPSCKVTA MNCFLLELQV ILHEYSNMTL NETVRNVLYL ANSTLSSNKN VIESGCKECE ELEERNFTEF LQSFIHIVQM FINTS
Storage and Stability:
May be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
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