Recombinant Human Interleukin-35/IL-35

Description :

Recombinant Human Interleukin-35 is produced by our Mammalian expression system and the target gene encoding Arg21-Lys229&Arg23-Ser219 is expressed with a Fc tag at the C-terminus.

Formulation :

Lyophilized from a 0.2 um filtered solution of PBS, pH7.4.

Purity :

Greater than 80% as determined by reducing SDS-PAGE.

Endotoxin :

Less than 0.1 ng/ug (1 IEU/ug) as determined by LAL test.

Reconstitution :

Always centrifuge tubes before opening. Do not mix by vortex or pipetting.
It is not recommended to reconstitute to a concentration less than 100 米g/ml.
Dissolve the lyophilized protein in ddH2O.
Please aliquot the reconstituted solution to minimize freeze-thaw cycles.

Storage :

Lyophilized protein should be stored at ＜ -20℃, though stable at room temperature for 3 weeks.
Reconstituted protein solution can be stored at 4-7℃ for 2-7 days.
Aliquots of reconstituted samples are stable at ＜ -20℃ for 3 months.

Background :

Interleukin-35 is a newest and potent suppressive cytokine of the IL-12 family. Unlike other members of the IL-12 family which are produced mainly by antigen-presenting cells (APCs), IL-35 has been identified as a potentially immunosuppressive cytokine primarily produced by regulatory T (Treg) cells, and to a lesser extent by activated dendritic cells and macrophages. IL-35 is composed of the IL-12 p35 subunit and the IL-27 Epstein每Barr virus-induced protein 3 (EBI3) subunit. IL-35 plays an important role in many disease models and has been recently shown to have additional functions aside from inhibition of proliferation, including inducing its own expression in non-Treg cells.