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파킨슨병 모델 흰쥐에서 침치료에 의한 microglia 활성화 억제에 관한 연구
황정연 ( Jeong Yeon Hwang ),최일환 ( Il Hwan Choi ),박재현 ( Jae Hyun Park ),강전모 ( Jun Mo Kang ),박히준 ( Hi Joon Park ),임사비나 ( Sabina Lim ) 대한경락경혈학회 2007 Korean Journal of Acupuncture Vol.24 No.1
Objectives: Although the cause of neuronal death of Parkinson`s disease remains unclear, increasing evidence points to the role of inflammatory processes. And the hallmark of brain inflammation is the activation of microglia. This study was performed to prove the effect of acupuncture on inhibiting microglial activation. Methods: The rat models which were injected with 6-hydroxydopamine were treated with acupuncture once a day on LR3 (太衝) and GB34 (陽陵泉). To prove the effect of inhibiting microglial activation, we examined the tyrosine hydroxylase (TH) immunopositive neurons and CD11b immunohistochemistry in the substantia nigra. Results: There were 18% (third day), 32% (seventh day) loss of TH-positive cell bodies in the control group and 23% (third day), 26% (seventh day) in the acupuncture group, whereas 3% (third day), 10% (seventh day) in vehicle group. The difference of optical density in substantia nigra was evaluated by subtracting log inverse gray value of contralateral side from that of ipsilateral side. With regards to the result of CD11b immunohistochemistry, acupuncture group showed significantly inhibited microglial activation compared with control group (p<0.01) on the seventh day. Conclusions: Acupuncture showed the effect of inhibition of microglial activation in seventh day. However, the effect of protection of TH positive cell bodies was not shown. So we need longer investigation of the effect of acupuncture on Parkinson`s disease.
대식세포에서 산화질소 생성에 대한 當歸 에탄올 추출물의 억제효과
정미영,박히준,정지행,김진용,강전모,이나경,임사비나 WHO COLLABORATING CENTRE FOR TRADITIONAL MEDICINE 2007 東西醫學硏究所 論文集 Vol.2007 No.-
Objective : The Angelica gigas Nakai ethanol extract (AGE) was investigated to compare nitric oxide (NO) production and NF-kB activity from RAW 264.7 cells, since NO and nuclear factor-kB(NF-kB) have been shown to be factors implicated In inflammatory disease. Method : AGE was prepared by extracting medicinal herb with 70% (v/v) ethanol solution. We investigated production nitric oxide (NO) and inducible nitric oxide synthase (iNOS) gene expression by ARE in LPS-stimulated RAW 264.7 macrophage cells. We also investigated inhibition of LPS-induced activation of NF-kB on western blot. Result : LPS-induced RAW 264.7 cells increascd NO production and ,iNOS expression. Upon treatment with AGE, nitrite production was significantly inhibited in a concentration-dependent manner compared to the untreated control. AGE inhibited this LPS-induced ,iNOS mRNA and protein in a dose-dependent manner. AGE markedly inhibited the expression of iNOS mRNA and protein at a concentration of 100 μg/ml. LPS-induced RAW 264.7 cells with AGE blocked inhibitory factor-kBα degradation. Conclusion : This study shows that AGE seems to attenuate inflammation through inhibition of NO production and iNOS expression by blockade of NF-kB activation in LPS-stimulated RAW 264.7 cells.
박히준,이제현,김수영,심범상,구헌종,강전모,최일환,이재동,김남재,이지숙,임사비나 EAST-WEST MEDICAL RESEARCH INSTITUTE KYUNG HEE UNI 2005 東西醫學硏究所 論文集 Vol.2005 No.-
Objective : The use of herbal therapy is becoming an increasingly attractive approach for the treatment of various inflammatory disorders. The Alpiniae officinari Rhizoma is popular in Aisa as a traditional herbal medicine. Alpiniae officinari Rhizoma is a species of the ginger family(Zingiberacease). Method : This study was performed to investigate the anti-inflammatory effect of Alpiniae officinari Rhizoma extract by the methods of "carrageenan induced paw edema" and "Lipopolysaccharide-induced inflammatory mediators in mouse macrophage RAW 264.7 cells". Result : We suggest that Alpiniae officinari Rhizoma extract decreased paw volume induced by plantar injection of carrageenan. Also Alpiniae officinari Rhizoma extract inhibited nitric oxide, prostaglandin E₂production and induced nitric oxide synthase, cyclooxygenase-2 protein expression in Mouse macrophage RAW 264.7 cells stimulated with lipopolysaccharide. Conclusion : This study shows that Alpiniae officinari Rhizoma extract seems to have anti-inflammatory effect by inhibition of nitric oxide, prostaglandin E_(2) production and nitric oxide synthase, cyclooxygenase-2 protein expression.
박히준,이지숙,이재동,김남재,표지희,강전모,최일환,김수영,심범상,이제헌,임사비나 EAST-WEST MEDICAL RESEARCH INSTITUTE KYUNG HEE UNI 2005 東西醫學硏究所 論文集 Vol.2005 No.-
Objectives : Cinnamomi Ramulus (CR), the young twing of Cinnamomi loureirii nees, has been used for treating symptoms related to pain. rheumatic arthritis and inflammation in Korean herb medicine. This study was carried out to investigate the anti-inflammatory effect of CR in vivo and in vitro. Methods : Extracts of CR were prepared and the chemical components of the extracts were examined by gas chromatography-mass spectrometry (GC-MS). The extracts were administrated to the rat paw edema model induced by carrageenan to evaluate the anti-inflammatory effect of CR. The expressions of nitric oxide (NO). prostaglandin E2(PGE2), inducible nitric oxide synthase (iNOS) and cyclooxygenase (COX)-2 were also quantified in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages to survey the effect of CR in vitro. The main components were cinnamaldechyde and coumarin. Results : We examined the anti-inflammatory activity of the 80% ethanol extract of Cinnamomi Ramulus in vivo by using carrageenan-induced rat paw edema model. Maximum inhibition of 54.9% was noted at the dose of 1000㎎/㎏ after 2 hours of drug administration in carrageenan-induced rat paw edema and this showed a potent anti-inflammatory effect. Conclusions : The results showed that Cinnamomi Ramulus suppressed dose-dependently LPS-induced NO production in RAW 264.7 macrophages and also decreased iNOS protein expression. Cinnamomi Ramulus also showed a significant inhibitory effect in LPS-induced PGE2 production and COX-2 expression.