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Inhibitory Effect of Curcumin on Norovirus Infection and its Mechanism : Curcumin을 이용한 항노로바이러스 효과 및 기전연구

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Authors
이길재
Advisor
고광표
Major
보건대학원 환경보건학과
Issue Date
2016-08
Publisher
서울대학교 보건대학원
Keywords
항바이러스물질
Description
학위논문 (석사)-- 서울대학교 보건대학원 : 환경보건학과 환경보건학전공, 2016. 8. 고광표.
Abstract
Norovirus outbreak is a major public health burden across the world. In immunocompromised hosts, norovirus can establish chronic infection. Chronically infected hosts have potential to act as a reservoir of emergent norovirus strain. The safe and affordable therapeutic agents to control chronic norovirus infection are required. Phytonutrients have been used as supplements in traditional medicine to enhance immune responses or resistance to infectious diseases. In this study, the effect of curcumin on chronic norovirus infection was evaluated using mouse model. C57BL/6 mice were orally inoculated with curcumin daily for 34 days and infected with murine norovirus (MNoV) CR6 strain. Viral loads were quantified in stool and tissue samples by realtime PCR. Curcumin reduced MNoV in colon and mesenteric lymph nodes (MLN). Type I interferons (IFNs) were also enhanced in those tissues. Inhibition was not observed in ileum and peyers patch (PP). Microbial community was assessed using 16S rRNA sequencing to understand tissue-specific MNoV inhibition. Family Mogibacteriaceae was changed significantly only in colon. Family Mogibacteriaceae abundance and virus quantity showed a weak negative correlation using correlation analysis. These results suggest that curcumin enhanced type I interferons in large intestines resulting in inhibition of MNoV. Specific enteric bacteria may be related to control MNoV.
Language
English
URI
https://hdl.handle.net/10371/128251
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Graduate School of Public Health (보건대학원)Dept. of Environmental Health (환경보건학과)Theses (Master's Degree_환경보건학과)
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