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Figure 5 | Arthritis Research & Therapy

Figure 5

From: Hepatocyte growth factor prevents lupus nephritis in a murine lupus model of chronic graft-versus-host disease

Figure 5

Effect of hepatocyte growth factor (HGF) on B cell MHC class II expression. (a) Chronic graft-versus-host disease (GVHD) mice were treated as described in Figure 1. At 2 weeks after GVHD induction, spleens were removed and the mean fluorescence intensity of MHC class II (I-Ab) expression on B220+ cells determined. Data represent mean ± SD for four mice per group. *p < 0.05. (b) B220+ cells from BDF1 mice (2 × 106/ml) were cultured with mouse recombinant IL-4 (10 ng/ml) in the presence or absence of human recombinant HGF (10 ng/ml) for 48 h, and mean fluorescence intensity of MHC class II (I-Ab) expression on B220+ cells determined. Data represent mean ± SD of three independent experiments. *p < 0.05. (c) CD4+ T cells from DBA/2 (H-2d) mice (4 × 106/ml/well) were cultured with irradiated (20 Gy) CD11c+ dendritic cell (DCs) from BDF1 (H-2b×d) mice (1 × 106/ml/well) in the presence or absence of human recombinant HGF (10 ng/ml). After 72 h, viable cells (1 × 106/ml) were cultured with B220+ cells from BDF1 mice (2 × 106/ml) for 48 h and mean fluorescence intensity of MHC class II (I-Ab) expression on B220+ cells determined. Data represent mean ± SD of three independent experiments. *p < 0.05.

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