IL6 and systemic lupus erythematosus: The production of these cytokines in saliva of SLE patients was correlated with relative abundance of Selenomonas (IL-6 rho = 0.42, IL-33 rho = 0.44, p < 0.05) Prevotella denticola (IL-33 rho = 0.40, p < 0.05), Veilonella atypica (IL-33 rho = 0.50, p < 0.05), and Leptotrichia (IL-17 rho = 0.4, p < 0.05).