Abstract:
OBJECTIVE:Crude preparations of Fun-boi (Stephania tetrandra), a traditional antirheumatic herb, have been reported to have immunomodulatory effects on both cell-mediated and humoral immunity in vitro, but little is known about the mode of action in vivo. The objective of this study was therefore to evaluate the efficacy of Fun-boi against arthritis and its effect on the immune system. METHODS:Mice were divided into the following 3 groups of 7 mice each: 1) a normal group, not treated to cause collagen-induced arthritis (CIA), received water orally; 2) a control group with CIA received water orally; and 3) the Fun-boi group with CIA, received Fun-boi (3 mg/g body weight/day) orally. We analyzed the arthritis score, the serum anti-type II collagen (CII) antibody level, and the percentage of the following lymphocyte subsets from lymphoid organs: B220, CD3/CD4, CD3/CD8 and CD40L/CD4 lymphocytes from blood or lymph nodes; and CD4-CD8-, CD4+CD8+, CD4+CD8- and CD4-CD8+ from the thymus. RESULTS:Fun-boi therapy markedly reduced the severity of arthritis (p < 0.001) and tended to reduce the serum anti-CII antibody level (p = 0.06). Whereas CII immunization of DBA/1J mice caused a significant redistribution of CD3/CD8 lymphocytes from blood or lymph nodes, Fun-boi therapy caused significant normalization of the same types of lymphocyte subsets from lymph nodes, but did not affect the CD4 or CD4/CD40L lymphocyte subsets. CONCLUSION:These results demonstrate that Fun-boi therapy exerts therapeutic effects in CIA mice, possibly by causing immunomodulatory effects at specific sites.
journal_name
Clin Exp Rheumatoljournal_title
Clinical and experimental rheumatologyauthors
Niizawa A,Kogure T,Hai LX,Fujinaga H,Takahashi K,Shimada Y,Terasawa Kkeywords:
subject
Has Abstractpub_date
2003-01-01 00:00:00pages
57-62issue
1eissn
0392-856Xissn
1593-098Xjournal_volume
21pub_type
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journal_title:Clinical and experimental rheumatology
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