Effects of Rheum tanguticum polysaccharide on TNBS -induced colitis and CD4+ T cells in rats

Figure 1 Photographs of rats colon. A-D. TNBS-induced colitis with gross enlargement of the colon and large ulcers. E-H. TNBS with RTP₁, smaller ulcer area and reduced colon mass.

Figure 2 Western-blot analysis of CD4⁺ T cells isolated from me-senteric lymphoid node. Left: Saline, Middle: RTP₁, Right: TNBS.

Figure 3 Immunohistochemical analysis on CD4⁺ lymphocytes in mesenteric lymphoid nodes and colon tissues SABC × 400. A, C, E: Mesenteric lymphoid nodes. B, D, F: Colon tissues.