Effect of total flavonoids of Chrysanthemum indicum on the apoptosis of synoviocytes in joint of adjuvant arthritis rats.
Chrysanthemum is a traditional Chinese medicine used in China to treat inflammatory diseases. The total flavonoids Chrysanthemum indicum (TFC) were extracted from the dried bud of Chrysanthemum indicum. Our previous study had demonstrated that TFC was a new class of effective anti-inflammation, analgesia and immunoloregulation agents. In this study, we established an adjuvant arthritis (AA) model by injection of Freund's Complete Adjuvant (FCA) to investigate the effect of TFC on the apoptosis of synoviocytes in AA Rats. Synoviocytes isolated from knee joint of rats were treated with different doses of TFC in vitro. Synoviocytes proliferation was measured by MTT assay, and DNA fragmentations were evaluated on agarose gel electrophoresis. The levels of caspase-3 cleaved fragments were analyzed by Western blot. The annexin V stain assay was used to explore the inhibition of caspase-3 on the amelioration of synoviocytes apoptosis. The results showed that TFC inhibited the proliferation of synoviocytes. Electrophoresis showed higher ladders of DNA bands in the TFC group. Cleaved fragments of caspase-3 were increased significantly. Furthermore, the apoptotic synoviocytes were markedly decreased by the caspase-3 specific inhibitor. These results suggest that TFC could induce synoviocytes apoptosis and suppress proliferation of synoviocytes in adjuvant-induced arthritis rats.
Chen
Xiao-Yu
XY
School of Pharmacy, Anhui Medical University, Hefei 230032, China. chenxiaoyuzlx@126.com
Li
Jun
J
Cheng
Wen-Ming
WM
Jiang
Hui
H
Xie
Xue-Feng
XF
Hu
Rong
R
D000818:Animals; D017209:Apoptosis / Q000187:drug effects*; D001169:Arthritis, Experimental / Q000139:chemically induced / Q000378:metabolism / Q000473:pathology*; D053148:Caspase 3 / Q000378:metabolism; D049109:Cell Proliferation / Q000187:drug effects; D002478:Cells, Cultured; D031202:Chrysanthemum / Q000737:chemistry*; D053938:DNA Fragmentation / Q000187:drug effects; D004195:Disease Models, Animal; D004305:Dose-Response Relationship, Drug; D004365:Drugs, Chinese Herbal / Q000494:pharmacology*; D005419:Flavonoids / Q000494:pharmacology*; D005620:Freund's Adjuvant; D007719:Knee Joint / Q000187:drug effects / Q000378:metabolism / Q000473:pathology*; D008297:Male; D051381:Rats; D017207:Rats, Sprague-Dawley; D013583:Synovial Membrane / Q000187:drug effects / Q000378:metabolism / Q000473:pathology*
D004365:Drugs, Chinese Herbal; D005419:Flavonoids; D005620:Freund's Adjuvant; D053148:Caspase 3