IFNA17 and systemic lupus erythematosus: Additionally, this study also identified statistically significant negative correlations between the following: Lactobacillus and three lupus activity indexes (Cr, BUN and anti-dsDNA); Sutterella and three lupus activity indexes (BUN, anti-dsDNA and IFN-α); BUN and anti-dsDNA and Anaerostipes; BUN and Adlercreutzia; and Cr and Allobaculum (Figure 6).