Research Article

Antiarthritic Activity of Qi-Wu Rheumatism Granule (a Chinese Herbal Compound) on Complete Freund’s Adjuvant-Induced Arthritis in Rats

Figure 5

Immunohistochemical results of TNF-α in synovium (immunohistochemistry of TNF-α in the knee joints taken from control rats, AIA model rats, QWRG-treated rats of 1.0 g/kg, 2.0 g/kg, and 4.0 g/kg, and DEX-treated group. Magnification ×200. Tissues from three different rats in each group and 10 randomly selected areas from each slide were analyzed. Quantitative data (mean ± SD) are presented using the average density values of the TNF-α positive regions. versus control; , versus AIA group; versus DEX).
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