Topoisomerase I Inhibitors

Publication Title: 
Arthritis and Rheumatism

OBJECTIVE: Chebulagic acid (CHE) from the immature seeds of Terminalia chebula was identified from a natural product library as a potent suppressor of T cell activity. This study examined the effectiveness of CHE against the onset and progression of collagen-induced arthritis (CIA) in mice. METHODS: Arthritis was induced in DBA/1J mice by subcutaneous immunization with bovine type II collagen on days 0 and 21. CHE was administered intraperitoneally for 3 weeks, either as prophylaxis (10 or 20 mg/kg) before disease onset or as therapy (20 mg/kg) after disease onset.

Lee, Sang-Ik
Hyun, Pung-Mi
Kim, Seung-Hyung
Kim, Kyoung-Shin
Lee, Sang-Keun
Kim, Byoung-Soo
Maeng, Pil Jae
Lim, Jong-Soon
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