Western blot analysis of extracts from U-937 cells, untreated (-) or treated with Human Interferon-α1 (hIFN-α1) #8927 (10 ng/ml, 16 hr; +), using Viperin (D5T2X) Rabbit mAb (upper) and β-Actin (D6A8) Rabbit mAb #8457 (lower).