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황순이,조미정,김상찬,지선영,Hwang, Sun-Yi,Jo, Mi-Jeong,Kim, Sang-Chan,Jee, Seon-Young 대한한방안이비인후피부과학회 2009 한방안이비인후피부과학회지 Vol.22 No.2
Objectives : The present study was examined to evaluate the anti-inflammatory effects of the Humulus japonicus MeOH extracts (HJE) in vivo. Methods : The effects of HJE on anti-inflammation were measured by production of NO, iNOS (inducible Nitric Oxide Synthase), COX-2, I$\kappa$B$\alpha$ (Inhibitor kappa B alpha), NF$\kappa$B (Nuclear Factor kappa B), TNF-$\alpha$ (Tumor Necrosis Factor-alpha) and IL-1$\beta$ (Interleukin-1$\beta$), IL-6 in Raw 264.7 macrophage cells stimulated with LPS. Results : 1. All concentrations of HJE(0.03 and 0.10 mg/ml) had no significant cytotoxicity in Raw 264.7 cell during the entire experimental period. 2. The level of NO and iNOS in culture medium was dramatically increased by LPS application. However, these increases were dose-dependently(0.03 and 0.10 mg/ml) attenuated by treatment with HJE. 3. HJE extract reduced PGE2 levels in a dose-dependent manner as a consequence of inhibition of COX-2 protein expression in Raw 264.7 macrophage cells stimulated with LPS. 4. 0.10 mg/ml HJE significantly inhibited the phosphorylation of I$\kappa$B$\alpha$ indicating the suppression of NF-$\kappa$B pathway in Raw 264.7 macrophage cells stimulated with LPS. 5. 0.10 mg/ml HJE significantly inhibited the production of TNF-$\alpha$ in Raw 264.7 macrophage cells stimulated with LPS. 6. All concentrations of HJE significantly inhibited the production of IL-1$\beta$, IL-6 in Raw 264.7 macrophage cells stimulated with LPS. Conclusions : These results provide evidences that therapeutic effect of HJE on heat syndrome, especially due to the acute inflammation, are partly due to the reduction of some of inflammatory factors by inhibiting iNOS and COX-2 through the suppression of p-I$\kappa$B$\alpha$. Moreover, it suggests that the mechanism of action of HJE comes from the suppression of inflammatory mediators, such as NO, PGE$_2$ and pro-inflammatory cytokines.
황순이,조원준,지선영,이상곤,황보민,Hwang, Sun-Yi,Cho, Won-Joon,Jee, Seon-Young,Lee, Sang-Kon,Hwang-Bo, Min 대한한방안이비인후피부과학회 2006 한방안이비인후피부과학회지 Vol.19 No.3
Acne, which intrucdes the pilosebaceous unit, is a chronic inflammatory disease. The symptom of comedones, papules, pustules, cysts, nodules and scar mainly raises on the face, upper back, shoulder and neck. The cause of acne is the secreting growth of sebum, abnormal follicular keratiniziation, the form of group of propionibacterium acnes, and the respones of inflammation etc. But the original mechanism of the cytobiologic level is exactly not known yet. We treated three patients suffered from acne with acupuncture, venesection, Chungsangbangpung-tang, wet dressing with Gamihwangryunhaedok-tang. After treatments we observed the improvement. Based on this study, it is considered that acupuncture, venesection, Chungsangbangpung-tang wet drssing with Gamihwangryunhaedok-tang can be applied to the management of acne.
율초(?草) 추출물이 Rat의 paw edema에 미치는 영향
황순이,정호준,장우석,조미정,김상찬,지선영,Hwang, Sun-Yi,Jung, Ho-Jun,Jang, Woo-Seok,Jo, Mi-Jeong,Kim, Sang-Chan,Jee, Seon-Young 대한한방안이비인후피부과학회 2009 한방안이비인후피부과학회지 Vol.22 No.3
Objectives : The present study was examined to evaluate the anti-inflammatory effects of the Humulus japonicus MeOH extracts (HJE) in the carrageenan-induced paw edema model in rats. Methods : The effects of HJE on anti-inflammation were measured in the carrageenan-induced paw edema model in rats and infiltrated Inflammatory Cells. Results : 1. HJE (1.0 g/kg) and dexamethasone effectively inhibited paw edema measured 1~4 h after carrageenan injection. HJE (0.3 g/kg) effectively inhibited paw edema measured 1, 3, 4 hr. 2. In histopathological study in rats, 1.0 g/kg HJE and dexamethasone effectively inhibited the increases of hind paw skin thicknesses and inflammatory cell infiltrations induced by carrageenan treatment. But quite similar histopathological changes were detected in 0.3 g/kg HJE treated group as compared with carrageenan control.
황순이,황보민,지선영,이상곤,조원준,Hwang, Sun-Yi,HwangBo, Min,Jee, Seon-Young,Lee, Sang-Kon,Cho, Won-Joon 대한한방안이비인후피부과학회 2006 한방안이비인후피부과학회지 Vol.19 No.2
Vertigo is a subtype of dizziness in which there is an illusion of movement, most commonly rotation. Acute peripheral vestibulopathy is one of the most common clinical neurologic syndromes at my age with the acute onset of vertigo, nausea, and vomiting lasting for several days and not associated with auditory or neurologic symptoms. Most affected patients gradually improve over one to two weaks, but some develop recurrent episode. We treated two patients suffered from vertigo, nausea & vomiting, nystagmus, headache with herbal medicine, acupuncture, cupping-treatment. After treatment we observed the improvement. Based on this study, it is considered that oriental medical treatment can be applied to the management of vestibular neuronitis.
아토피 피부염 환자에서 칠엽담(七葉膽)을 함유한 화장품의 임상적 연구
황순이,황보민,지선영,김소연,권영규,서정철,Hwang, Sun-Yi,Hwang, Bo-Min,Jee, Seon-Young,Kim, So-Youn,Kwon, Young-Gyu,Seo, Jung-chul 대한한방안이비인후피부과학회 2007 한방안이비인후피부과학회지 Vol.20 No.3
Objectives : This study was conducted to test patients with Atopic Dermatitis by external application with Gynostemma Pentaphyllum MAKINO in cosmetics. Methods : We gave scores to 59 patients who visited the Dept. of Oriental Medical Opthalmology & Otolaryngology & Dermatology of Daegu Hanny Oriental Medical Center from July 1st, 2005 to December 31th. We checked the clinic index score(extent. intensity : the degree of erythema, induration or papulation, puritus, excorination, lichenification, scaling or dryness, erosion or oozing or weeping. the degree of itching), Eosinophil count and IgE. Results : There are 46 patients we could check by clinic index score, and 44 patients by laboratory. 1. In the 46 cases clinic index score was significantly decreased between the before- and afterexternal application treatment periods(P<0.01). 2. The 46 cases was devided into two types (moist heat type and blood dryness type) by intensity. External application of Gynostemma Pentaphyllum MAKINO in cosmetics did not significant change by two types. 3. In the 44 laboratory cases, the number of eosinophil counts was decreased but the number of IgE was significantly increased. Conclusions : Considering the above results, we have concluded that cosmetics with Gynostemma Pentaphyllum MAKINO have the remedical effect for Atopic Dermatitis.
황선남(Sun-Nam Hwang),김청수(Chung-Soo Kim),손이근(YI-Geun Shon),임성규(Sungkyoo Lim) 한국조명·전기설비학회 2010 한국조명·전기설비학회 학술대회논문집 Vol.2010 No.9월
LCD(liquid Crystal Display) TV용 백라이트의 광원으로서 연광원이 개발되었으며, 이를 이용한 조명 기기를 제작 및 평가하였다. 면광원은 유리성형을 통하여 채널을 형성하였으며 채널의 모양을 최적화하여 면광원을 이용한 조명 기기의 효율을 향상시킬 수 있었다. 본 논문에서는 특히 PAR Lamp Type을 위한 면광원을 제작하였으며, 다운라이트용 면광원으로 광 효율 특성에 관한 연구를 하였다. 작은 크기의 면광원을 통하여 광효율이 56.5[lm/W]를 갖는 다운라이트를 제작하였다.
황선이,양병곤,Hwang, Sun-Yi,Yang, Byung-Gon 한국음성학회 2006 음성과학 Vol.13 No.3
This study examined how well Korean undergraduate students perceived linked or clear English speech and attempted to find areas of difficulty in their English listening caused by phonological variations. Thirty nine undergraduate students participated in listening sessions. They were divided into high and low groups by their TOEIC listening scores. Samples of linked speech included such phonological processes as linking, palatalization, flapping, and deletion. Results showed that the students had more problem perceiving linked speech than perceiving clear speech. Secondly, both the higher and the lower groups scored low on the linked speech. The lower group had more score difference between linked and clear speech. Thirdly, the students' scores increased from the speech with flapping, through deletion, palatalization, to linking. Finally, there was a strong positive correlation between their TOEIC listening scores and the perception scores. Further studies would be desirable on the level of improvement of TOEIC scores by training the students' listening ability using the linked speech.