Emodin Alleviates Lupus Nephritis in Rats by Regulating M1/M2 Macrophage Polarization

Figure 5

Effect of emodin on renal tissue injury in LN rats. (a) HE staining; (b) PAS staining. In PAS staining, the nucleus is blue, and the mesangial matrix, collagen fiber, basement membrane, fibrin, vascular hyaline, amyloidosis, and other positive reactions can be bright pink. Scale bar, 50 μm.