s-CD95L levels are also elevated in inflammatory and autoimmune disorders such as systemic lupus erythematosus (SLE) (Tauzin et al., 2011; Poissonnier et al., 2016), rheumatoid arthritis (RA) (Hashimoto et al., 1998), and acute lung injury (ALI) (Herrero et al., 2011). This evidence concerns the gene FASLG and rheumatoid arthritis.