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. 2018 May 14;5(1):e000259. doi: 10.1136/lupus-2018-000259

Figure 5.

Figure 5

TLR9 deficiency promotes aberrant B cell activation and myeloid expansion in imiquimod-induced autoimmunity. WT and Tlr9-/- mice were treated with imiquimod for 3 weeks. (A) Splenocytes were isolated and stained for CD45, CD19, CD21 and CD23 for MZ B cells. (B) Splenocytes were isolated and stained for CD45, CD11c, B220 and PDCA-1. Total pDC numbers were calculated. (C) mRNA levels of MX-1 in the spleen. (D) mRNA levels of ISG15 and IFIT1 in the spleen. (E) Splenocytes were isolated and stained for CD45, CD11b, Ly-6G for neutrophils. (F) Splenocytes were isolated and stained for CD45, CD11b, CD11c for CD11b+CD11c+ myeloid cells. (G) Splenocytes were isolated and stained for CD45, CD11b, Ly-6C and Ly-6G for proinflammatory monocytes. (H) mRNA levels of IL-1β, TNF-α and IL-12 p35 in the spleen. (I) Splenocytes were isolated and stained for CD45, CD11b and intracellularly stained for TNF-α and IL-12 p35 (n=6/group). cDC, conventional dendritic cell; IL, interleukin; MZ, marginal zone; pDC, plasmacytoid dendritic cell; TNF-α, tumour necrosis factor alpha; TLR, toll-like receptor; WT, wild type.