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울금(鬱金)에서 분리된 demethoxycurcumin이 백서의 혈관재협착에 미치는 효과
길인호,정명수,신창호,배현옥,정헌택,이기남,Kil, In-Ho,Chong, Myong-Soo,Shin, Chang-Ho,Pae, Hyun-Ock,Chung, Hun-Taeg,Lee, Ki-Nam 대한예방한의학회 2008 대한예방한의학회지 Vol.12 No.3
The pathobiologic process of arterial stenosis following balloon angioplasty continues to be an enigmatic problem in clinical settings. This study investigates the ability of demethoxycurcumin, a curcuminoid isolated from Radix Curcumae, to attenuate balloon injury-induced neointima(NI) formation in the rat carotid artery. It was found that demethoxycurcumin induced inducible heme oxygenase(HO-1) expression and inhibited dose-dependently cellular proliferation in rat vascular smooth muscle cells. Perivascular application of demethoxycurcumin immediately following injury significantly reduced NI area and NI thickness 2 weeks post-injury. Interestingly, treatment with tin-protoporphyrin IX, a HO inhibitor, reversed the effects of demethoxycurcumin on NI formation. These results implicate demethoxycurcumin as a potent new therapeutic agent that is capable of reducing post-angioplasty arterial stenosis through induction of the HO-1 expression.