(A) Relative Mx1, ISG15, and ISG54 mRNA levels in cell lines restrictive (HFt, RPE) or permissive (U2OS, SAOS) to HSV-1 ICP0-null mutant (ΔICP0) infection. Cells were mock treated, IFN-β (100 IU/ml) stimulated, or infected with ΔICP0 at an MOI of 1 PFU/cell for 9 h. n = 3, means (RQ) and standard deviations (RQmin/max) are shown and expressed relative to mock for each cell line (1). (B) Restrictive (HFt, RPE) or permissive (U2OS, SAOS) cell lines were infected with ΔICP0 at an MOI of 1 PFU/cell and treated with either DMSO or Ruxolitinib (Ruxo, 5μM). CRV was harvested at 48 hpi and titres determined on U2OS cells. n = 3, means and standard deviations shown and expressed as relative fold-change to DMSO titres (1) for each cell line. * P < 0.05, *** P < 0.001, ns (not significant); two-tailed t-test.