Fig. 1From: Anti-arthritic property of crude extracts of Piptadeniastrum africanum (Mimosaceae) in complete Freund’s adjuvant-induced arthritis in ratsEffect of crude extracts of Piptadeniastrum africanum on TNF-α (a) and IL-1β (b) secretion levels by THP-1 activated by LPS. Data represent mean ± SD of triplicates. a P < 0.05, b P < 0.01 when compared with that of the control: PMA + LPSBack to article page