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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 235 - 243 (9page)
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Background Although Pasteurella multocida is highly prevalent pathogen in animals and plays an important role in swine respiratory diseases, only a few studies on the use of bacteriophages specific to Pasteurella multocida disease have been reported. Objective The object of this study was to investigate the therapeutic effect of specific P. multocida bacteriophages and to identify genes related to bacteriophage signaling utilizing RNA microarrays in swine nasal turbinate cells. Methods Pas-MUP-1 phages were applied 24 h prior to P. multocida infection (1 × 107 cfu/ml) at several concentrations of bacterial infection. Cells were incubated to detect cytokines and 24 h to detect mucin production. And real-time quantitative PCR was performed to examine related genes expression. To determine the change of total gene expression based on P. multocida and Pas-MUP-1 treatment, we performed RNA sequencing experiments. Results We found that P. multocida-infected PT-K75 cells show increased gene expression of IL-1β, IL-6, and Muc1 in a dose-dependent manner. Interestingly, these genes resulted in decreased expression in P. multocida pretreated with the P. multocida-specific Pas-MUP-1 bacteriophage. RNA sequencing analysis revealed that bacteriophage administration regulated genes associated with immune and inflammatory responses, and the regulated genes were dramatically concentrated in the cytokine/chemokine-based signaling pathways. Pas-MUP-1 treatment was shown to regulate P. multocida induced gene expression in the bacteria. Conclusion These results suggest the specific bacteriophage has therapeutic potential as an alternative to antibiotic treatment to defend against P. multocida infection by altering inflammatory gene expression profiles.
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