TLR7 and systemic lupus erythematosus: Lactobacillus fermentum CECT5716 and Bifidobacterium breve CECT7263 treatment restored the Th17/Treg balance in MLNs and reduced vascular Th1, and Th17 infiltration to restore endothelial function in a mouse lupus model induced by activating TLR-7 (89).