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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Bee venom induces apoptosis through caspase-3 activation in synovial fibroblasts of patients with rheumatoid arthritis.

Bee venom (BV) has been used traditionally for the control of pain and inflammation in various chronic inflammatory diseases, including rheumatoid arthritis (RA) in Oriental medicine. However, it is still unclear how BV exerts its beneficial effects on the clinical course of RA patients. To investigate the effect of BV on the treatment of rheumatoid synovitis, we examined the inhibition of cell growth and induction of apoptosis in human rheumatoid synovial fibroblasts. Rheumatoid synovial fibroblasts were surgically obtained from patients with RA. Cell proliferation and viability were assessed by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The apoptosis of synovial cells treated with 10 microg/ml BV for 24 h was identified by 4,6-diamidino-2-phenylindole (DAPI) staining, terminal deoxynucleotidyl transferase-mediated dUTP nick end labelling (TUNEL) assay, DNA fragmentation assay, RT-PCR, and Western blot analysis. It was demonstrated that rheumatoid synovial cells treated with 10 microg/ml BV for 24 h exhibited apoptotic features and fragmentation of DNA. In addition, BV induces apoptosis in rheumatoid synovial cells through a decrease in BCL2 expression and an increase in BAX and caspase-3 (CASP3) expression. It is suggested that BV inhibits the proliferation of rheumatoid synovial cells through induction of apoptosis by CASP3 activation.[1]

References

  1. Bee venom induces apoptosis through caspase-3 activation in synovial fibroblasts of patients with rheumatoid arthritis. Hong, S.J., Rim, G.S., Yang, H.I., Yin, C.S., Koh, H.G., Jang, M.H., Kim, C.J., Choe, B.K., Chung, J.H. Toxicon (2005) [Pubmed]
 
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