Effects of Dimethoxycurcumin, a Synthetic Curcumin Analogue,on Nitric Oxide Production in RAW264.7 Macrophage (Dimethoxycurcumin 및 curcumin 합성유도체가 RAW264.7 대식세포의 nitric oxide 생성에 미치는 효과)

박성혁; Young Dal Kwon (권영달); SONG YUNG SUN (송용선); Shin, Byung Cheul (신병철)

Effects of Dimethoxycurcumin, a Synthetic Curcumin Analogue,on Nitric Oxide Production in RAW264.7 Macrophage

Journal of Korean Medicine Rehabilitation
Abbr : JKMR
2008, 18(1), pp.95-110
Publisher : The Korean Academy Of Oriental Rehabilitation Medicine
Research Area : Medicine and Pharmacy > Korean Medicine

박성혁 ¹, Young Dal Kwon ¹, SONG YUNG SUN ¹, Shin, Byung Cheul ²

¹원광대학교
²부산대학교

Accredited

ABSTRACT

목 적 : 급성 및 만성 염증 질환은 iNOS에 의해서 생성된 과량의 NO와 관련이 있다. 따라서 이러한 질병 치료를 목적으로 NO 생성 억제물질 또는 iNOS 발현 차단물질을 개발할 가치가 있다. 본 연구는 대사 안정성을 개선시킨 dimethoxycurcumin (DiMC)이 활성화된 대식세포에서 NO 생성 및 iNOS 발현을 제어할 수 있는지 조사하였다. 방 법 : RAW264.7 세포를 DiMC (양쪽 방향성 고리에 각각 2개의 methoxy group을 가짐), curcumin (양쪽 방향성 고리에 각각 1개의 methoxy group을 가짐), bis-demethoxycurcumin (양쪽 방향성 고리에 methoxy group이 없음; BDMC) 및 tetrahydrocurcumin (양쪽 방향성 고리에 각각 1개의 methoxy group을 가지고 있지만 중앙 7개 탄소 사슬에 이중결합이 없음; THC)로 각각 전처리한 후에 LPS로 자극하였다. 이들 전처리 물질의 효과를 비교하기 위하여, NO 생성, iNOS 발현, NF-kB p65 인산화 및 p65 DNA-binding 활성을 조사하였다. 결 과 : DiMC, curcumin 및 BDMC는 NO 생성, iNOS 발현 및 NF-kB 활성을 억제하였으며, 그 세기에 있어서 DiMC가 가장 크게 관찰되었고 그 다음 curcumin 그리고 BDMC 순으로 관찰되었다. THC는 어떠한 활성도 보이지 못했다. 결 론 : DiMC는 NO 생성 억제, iNOS 발현 차단 및 NF-kB 비활성을 유도할 수 있음을 알 수 있었다. 이러한 효과는 연속된 이중결합 및 methoxy group의 증가와 관련이 있는 것으로 판단된다.

KEYWORDS

Nitric oxide, Inducible nitric oxide synthase, Dimethoxycurcumin, Curcumin, Bis-demethoxycurcumin, Tetrahydrocurcumin, Macrophage

Citation status

* References for papers published after 2023 are currently being built.

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Journal of Korean Medicine Rehabilitation 2023 KCI Impact Factor : 0.6