Stabilization of human fibroblast interferon purified on concanavalin A-agarose

Improved large scale purification procedure of natural human fibroblast interferon

Human fibroblast interferon, produced in tissue culture by a superinduction procedure, was purified 10,000-fold by chromatography to ca 50% purity as judged by SDS-PAGE. The specific activity of the interferon preparation is 2 X 10(8) and the yield is 70%. The interferon preparation is suitable for clinical use.

Large scale purification of human fibroblast interferon

Human fibroblast interferon was partially purified, about 4,000-fold, on a chromatographic tandem of columns: concanavalin A-agarose leads to phenyl-agarose, to a specific activity of ca 4 x 10(7). The overall recovery of interferon activity was ca 60%.