Anti-inflammatory activity of diindolylmethane alleviates Riemerella anatipestifer infection in ducksopen access
- Fernandez-Colorado, Cherry P.; Cammayo, Paula Leona T.; Flores, Rochelle A.; Nguyen, Binh T.; Kim, Woo H.; Kim, Suk; Lillehoj, Hyun S.; Min, Wongi
- Issue Date
- PUBLIC LIBRARY SCIENCE
- PLOS ONE, v.15, no.11
- Journal Title
- PLOS ONE
- 3,3'-Diindolylmethane (DIM) is found in cruciferous vegetables and is used to treat various inflammatory diseases because of its potential anti-inflammatory effects. To investigate effects of DIM in Riemerella anatipestifer-infected ducks which induce upregulation of inflammatory cytokines, ducks were treated orally with DIM at dose of 200 mg/kg/day and infected the following day with R. anatipestifer. Infected and DIM-treated ducks exhibited 14% increased survival rate and significantly decreased bacterial burden compared to infected untreated ducks. Next, the effect on the expression level of inflammatory cytokines (interleukin [IL]-17A, IL-17F, IL-6, IL-1 beta) of both in vitro and in vivo DIM-treated groups was monitored by quantitative reverse-transcription PCR (qRT-PCR). Generally, the expression levels of the cytokines were significantly reduced in DIM-treated splenic lymphocytes stimulated with killed R. anatipestifer compared to stimulated untreated splenic lymphocytes. Similarly, the expression levels of the cytokines were significantly reduced in the spleens and livers of DIM-treated R. anatipestifer-infected ducks compared to infected untreated ducks. This study demonstrated the ameliorative effects of DIM in ducks infected with R. anatipestifer. Thus, DIM can potentially be used to prevent and/or treat R. anatipestifer infection via inhibition of inflammatory cytokine expression.
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- 수의과대학 > Department of Veterinary Medicine > Journal Articles
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