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Effect of Chrysanthemum zawadskii var. latilobum on the release of inflammatory mediators from LPS-stimulated mouse macrophages

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주제분류한의학

초록

목적 : 구절초는 국화과에 속하는 다년생 초본으로 가을에 줄기와 잎을 가을에 채취한 것을 한약재로 사용하여 대한, 월경불순 등 각종 여성질환과 함께 위냉증, 소화불량, 감고, 폐렴, 기관지염, 배뇨장애 및 신경퇴행성 질환에 활용되고 있다. 본 연구에서는 LPS로 염증유도된 대식세포주를 활용하여 구절초의 항염증효능을 확인하고자 하였다. 방법 : 구절초 추출물의 항염증효과를 관찰하기 위하여 RAW264.7 대식세포주에서 MTT cytotoxic assay, iNOS 및 COX-2 발현, NO와 PGE2 생성 및 NF-κB 활성실험을 수행하였다. 결과 : 세포독성실험을 통하여 구절초 추출물의 안전성이 확인되었으며 LPS로 염증유도된 RAW264.7 대식세포주에서 증가된 iNOS의 발현이 감소되었음을 확인하였다. 또한 NO 및 PGE2의 생성을 억제하였다. 이러한 결과는 구절초가 염증매개물질의 생성을 억제하는 효과가 있음을 확인할 수 있었으며, NF-κB 활성도를 감소시킴을 관찰하였다. 결론 : 이러한 결과는 구절초가 NF-κB pathway를 조절해 줌으로써 항염증효과를 나타내는 것으로 사료된다.

참고문헌 (40)

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