Inhibition of IL-6 secretion in M1 cells: ED50 = <0.5ng/mL. The specific activity of recombinant mouse LIF is > 2 x 106 IU/mg.
Purity
>95% (by SDS-PAGE).
Product Form
Lyophilized
Concentration
Reconstitution dependent.
Formulation
Lyophilized from Phosphate Buffered Saline, pH 7.4 (0.22µm filter sterilized).
Endotoxin Level
<0.1 EU/µg.
Storage
Shipped at 4°C. Lyophilized: Store at -20°C to -80°C up to 1 year from the date of receipt. Reconstituted: Aliquot and store at -20°C for 3 months or 2-8°C for up to 1 week. Avoid freeze/thaw cycles.