IFNA1 and Schwartz-Jampel syndrome: Despite the fact that a significant number of SjS patients, if tested during clinic visits, can present with elevated levels of plasma IFN, the human transcriptome data indicate that few, if any, genes encoding an IFN per se exhibited up-regulation as compared to normal, healthy individuals (Hjelmervik et al., 2005; Emamian et al., 2009).