ED50: <3.0 µg/ml, as determined by inhibiting IL-1a-dependent proliferation of murine D10.G4.1 helper T cells, corresponding to a specific activity of >333 IU/mg in the presence of 50 pg/ml rHuIL-1a.
Purity
>95% as determined by RP-HPLC and SDS-PAGE.
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from Phosphate Buffered Saline, pH 7.4.
Storage
Shipped at ambient temperature. Lyophilized: Short term (3 weeks) store at 25°C. Long term store desiccated below -18°C. Reconstituted: Short term (2-7 days) store at 4°C. Long term store below -18°C, it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid freeze/thaw cycles.
