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논문 기본 정보

자료유형
학술저널
저자정보
한준승 (한국과학기술연구원) Khandoker Asiqur Rahaman (Doping Control Center Korea Institute of Science and Technology) 서지은 (한국과학기술연구원) HASAN MAHBUB (한국과학기술연구원) 이경태 (경희대학교) 민호필 (한국과학기술연구원) 이강미 (한국과학기술연구원) 박주형 (한국과학기술연구원) 김호준 (한국과학기술연구원) 김기훈 (한국과학기술연구원) 손정현 (한국과학기술연구원) 이재익 (한국과학기술연구원) 권오승 (한국과학기술연구원)
저널정보
한국약제학회 Journal of Pharmaceutical Investigation Journal of Pharmaceutical Investigation 제46권 제7호
발행연도
2016.12
수록면
685 - 695 (11page)

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We investigated the role of sub-chronic administration of human chorionic gonadotropin (hCG) in an experimental autoimmune encephalomyelitis (EAE) mice model as a multiple sclerosis (MS) model. MS is a disease of malfunctioned immune system where infiltrating immune cells are stimulated by matrix metalloproteinase (MMP) activation and cause blood?brain barrier disruption followed by the destruction of myelin sheath by concurrent activation of cytokines. hCG is responsible for the expression and activation of MMPs and regulation of cytokines in different cells. Mice were implanted with the osmotic pump containing hCG and luteinizing hormone (LH) which maintain their release for 4 weeks with constant velocity. The activities of MMP-9 and NADPH oxidase and the levels of cytokines were measured in the plasma and the CNS tissues. The hCG treated EAE mice showed a decrease in body weights, increased mortality, accelerated onset stage and amplified EAE severity. MMP- 9 activity was increased significantly in the EAE?hCG group compared to EAE group in both CNS and plasma. We also found increased activity of NADPH oxidase in plasma at onset stage and in brain tissues at day 38. IL-6 and IL-4 levels in brain tissue were found significantly higher in EAE?hCG group than in EAE group. EAE?LH group mice showed early onset patterns like EAE+hCG group and MMP-9 and NADPH oxidase levels were higher than EAE group, but cytokines levels were not significantly different from EAE group. We suggest that hCG treatment should be considered carefully as multiple or constant hCG treatment could exacerbate aggravation of MS induction and clinical symptoms.

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