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논문 기본 정보

자료유형
학술저널
저자정보
김승형 (대전대학교 한의과대학 동서생명과학연구원) 임흥빈 (충북대학교 농업생명환경대학 특용식물학과)
저널정보
대한본초학회 대한본초학회지(본초분과학회지) 대한본초학회지 제28권 제1호
발행연도
2013.1
수록면
65 - 71 (7page)

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Objectives : Asthma is a chronic, complex respiratory disease, caused by airway obstruction, airway eosinophilic inflammation(AEI), and airway hyperresponsiveness(AHR). This study was conducted to determine whether oral administration of crude water extracts of Pinellia ternate Breitenbach(PTB) has an antiasthmatic potential in the treatment of asthma in mice. Methods : Asthmatic AEI and AHR were induced by systemic sensitization to ovalbumin(OVA) by intratracheal instillation with 0.1 mg/mL suspension of diesel exhaust particles(DEP) once a week for 10 weeks in BALB/c mice. Crude PTB water extracts(50 mg/kg and 200 mg/kg) were orally administered 5 times a week for 10 weeks. Cyclosporin(10 mg/kg) was administrered the same manner as a positive control. Results : Long-term treatment with crude PTB water extracts suppressed the infiltration of inflammatory cells, including eosinophils, into airways from blood. It also reduced asthmatic AEI and AHR by attenuating the increase in the levels of cytokines such as interleukin(IL)-4, IL-5 and IL-13 in bronchoalveolar lavage fluid(BALF), as well as the levels of histamine and OVA-specific IgE in blood. However, the effect of crude PTB water extracts(200 mg/kg) was not likely to be stronger than that of cyclosporin(10 mg/kg). Conclusion : These results suggest that crude PTB water extracts have inhibitory effects on AEI and AHR in a mouse model of asthma and may act as a potential Th2 cytokine antagonist, and have a therapeutic effect on allergic asthma.

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