IFIT1 and measles: Berchtold et al. (2013) demonstrated that sarcoma cell lines susceptible for measles vaccine virus infection display a weaker, delayed or lacking expression of the virus-recognition receptor retinoic inducible gene-1 (RIG-1), the interferon-induced protein with tetratricopeptide repeats 1 (IFIT1) and a delayed or transient phosphorylation of Stat1 compared to measles vaccine virus resistant sarcoma cell lines.