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( Kwang Hyun Park ),( Seung Ii Jeong ),( Ji Ye Mok ),( Jung Keun Cho ),( Ji Min Park ),( In Hwa Jeon ),( Hyeon Soo Kim ),( Seon Il Jang ) 한국응용생명화학회 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.2
In a previous study, our group showed that the effective microorganism substance (EM-S) produced by fermentation of medicinal plants with effective microorganisms has an anti-inflammatory effect on atopic dermatitis-like lesions in NC/Nga mice. However, the possible anti-inflammatory effect and skin barrier function of EM-S for inflammatory cell infiltration, Interleukin-4 (IL-4) production, C-C chemokine receptor 10 (CCR10), and filaggrin (FLG) expression were not reported. Therefore, effects of EM-S on the development of atopic dermatitislike skin lesions in NC/Nga mice were evaluated. Efficacy of EM-S was judged by measurement of scratching behavior, T-cell subset infiltration, cytokine production, and FLG expression. Topical application of EM-S significantly reduced scratching behavior in NC/Nga mice caused by house dust mite antigen (Dermatophagoides farinse extract, DfE) sensitization. IL-4 production and CD4+ and CD45+ cell infiltrations were significantly reduced by EM-S. CCR10 expression was also significantly inhibited by EM-S. EM-S treatment also increased the level of FLG reduced by DfE sensitization. These results demonstrate EM-S, when applied topically, may be an effective substance for management of atopic dermatitis patients.
Park, Kwang-Hyun,Jeong, Seung-Il,Mok, Ji-Ye,Cho, Jung-Keun,Park, Ji-Min,Jeon, In-Hwa,Kim, Hyeon-Soo,Jang, Seon-Il The Korean Society for Applied Biological Chemistr 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.2
In a previous study, our group showed that the effective microorganism substance (EM-S) produced by fermentation of medicinal plants with effective microorganisms has an antiinflammatory effect on atopic dermatitis-like lesions in NC/Nga mice. However, the possible antiinflammatory effect and skin barrier function of EM-S for inflammatory cell infiltration, Interleukin-4 (IL-4) production, C-C chemokine receptor 10 (CCR10), and filaggrin (FLG) expression were not reported. Therefore, effects of EM-S on the development of atopic dermatitislike skin lesions in NC/Nga mice were evaluated. Efficacy of EM-S was judged by measurement of scratching behavior, T-cell subset infiltration, cytokine production, and FLG expression. Topical application of EM-S significantly reduced scratching behavior in NC/Nga mice caused by house dust mite antigen (Dermatophagoides farinse extract, DfE) sensitization. IL-4 production and $CD4^+$ and $CD45^+$ cell infiltrations were significantly reduced by EM-S. CCR10 expression was also significantly inhibited by EM-S. EM-S treatment also increased the level of FLG reduced by DfE sensitization. These results demonstrate EM-S, when applied topically, may be an effective substance for management of atopic dermatitis patients.
관절1호방이 Collagen Ⅱ로 유발된 관절염 억제에 관한 연구
한규진 ( Kyu Jin Han ),진광선 ( Kwang Seon Jin ),신혜란 ( Hye Ran Shin ),윤일지 ( Il Ji Yoon ),최승훈 ( Seung Hoon Choi ),오민석 ( Min Seok Oh ) 한방재활의학과학회 2005 한방재활의학과학회지 Vol.15 No.4
Objectives : The aim of this study was to know the immunity responses of Gwanjulbang-1(Quanjiefang-1)(hereinafter referred to GJB-1) to on Rheumatoid Arthritis in Collagen-induced Arthritis(CIA) Mice Methods : For this purpose, experiments were performed to measure the cytotoxicity against mLFC, hFLSs and the production of proinflammatory cytokines IL-1β, IL-6, TNF-α, IFN-γ in hFLSs and the production of pro-inflammatory cytokines IL-4, IL-10 and the value of CD3+(T), CD19+(B), CD3+/CD69+, CD4, γδ T cells, CD4+/CD25+ Results : 1. The cytotoxicity against mLFC, hFLSs were not measured. 2. The production of pro-inflammatory cytokines IFN-γ were reduced in hFLSs. 3. The production of pro-inflammatory cytokines IL-4, IL-10 were increased. 4. Statistically significant value of CD3+(T), CD19+(B), CD3+/CD69+, CD4, γδ T cells, CD4+/CD25+ compared with control group, wild type, MTX. Conclusions : Comparison of the results for this study showed that GJB-1 had immunomodulatory effects of suppressing or enhancing. So we expect that GJB-1 should be used as a effective drugs for not only rheumatoid arthritis but also another auto-immune disease. Therefore we have to survey continuously in looking for the effective substance and mechanism in the future.
신선기보탕(神仙氣步湯)이 Collagen Ⅱ 유발관절염(誘發關節炎)의 발생 및 치료에 미치는 영향
구본길 ( Bon Kil Koo ),신혜란 ( Hye Lan Shin ),진광선 ( Kwang Seon Jin ),윤일지 ( Il Ji Yoon ),오민석 ( Min Suck Oh ) 한방재활의학과학회 2005 한방재활의학과학회지 Vol.15 No.4
Objectives: Cytokines play key roles in spontaneous autoimmune arthritis in CIA(collagen induced arthritis) mice, a model of rheumatoid arthritis. The object of study is to evaluate the effect of IL-6, TNF-α on development of collagen induced arthritis, on humoral and cellular immunity and on the endogenous production of IL-6, TNF-α in DBA/1J mice. Methods: DBA/1J mice were immunized with 100㎍ bovine type II collagen in 0.1㎖ Freund`s complete adjuvant. There are three groups in this study, Which are wild type(WT), CIA-control and CIA-SSKBT(350㎎/㎏). Levels of anti-collagen antibodies, serum IL-6 and TNF-α were measured at the end of study. At week 6, CIA-control group developed arthritis while CIA-SSKBT group showed far less incidence and severity of arthritis. Result and Conclusions: This study shows that SSKBT inhibits inflammatory effect of IL-6, TNF-α.
최소자승법을 이용한 다수 베타 방출 핵종 혼합물의 방사능 분석
선광일,남욱원,공경남,김창규,이동명,이상국 대한방사선 방어학회 2001 방사선방어학회지 Vol.26 No.4
베타선 스펙트럼의 최대 에너지가 확실하게 구별되는 2개의 핵종만을 포함하는 혼합시료의 경우에는 최대 에너지가 다르다는 점을 이용하여 손쉽게 각 핵종의 방사능값을 측정할 수 있다. 그러나 3개 이상의 베타 방출 핵종이 포함된 혼합물에 대해서는 각 핵종의 스펙트럼이 서로 겹치기 때문에 이러한 방법으로 구해진 방사능값은 신뢰도가 떨어지게 된다. 따라서, 본 연구에서는 최소자승법을 이용하여 혼합물의 중첩된 베타선 스펙트럼을 각각 분리 정량분석할 수 있는 밥법을 제시하였다. 또한, 실제로 4개의 베타 방출 핵종 ^3H, ^14C, ^16Cl, 90Sr)이 혼합된 사료를 조제하여 본 분석법을 검증한 결과 최고치 Reference value)와 분석치가 7% 이내에서 잘 일치함을 보였다. It is possible to count and perform quench correction on two β-label samples so long as the maximum β-energies are sufficiently different. However, when the coventional technique is applied to the radioassay of a mixture of more than three nuclides, the reliability of the activiteis determined is considerably reduced, resulting from the large overlapping of liquid scintillation pulse height distributions of ezch nuclide. A technique that allows the activities of multiple β-labeled samples to be radioassayed was proposed by using the least square method. The technique was applied to mixture samples of ^3H, ^14C, ^16Cl, and ^90Sr. The analytical values were in good agreement with the reference values within 7% relstive error.
술폰화 폴리스티렌-디비닐벤젠 혼성중합막의 제조와 특성에 관한 연구
한정우,선용호,조영일,이광재 연세대학교 산업기술연구소 1991 논문집 Vol.23 No.1
Sulfonated polystyrene-divinylbenzene (PS-DVB) copolymer membranes were prepared using different diluents and varying diluent volume and DVB contents. All membranes were reinforced with Teviron (PVC) cloth. Three different diluents (toluene, cyclohexane, cyclohexanol) were used in the polymerization system. The membranes have been characterized by their swelling ratio, water content, ion-exchange capacity and mechanical strength. The volume as well as kind of diluents, and DVB content influenced these properties. As a result, water content and ion-exchange capacity decreased with increasing DVB concentration. Among diluents, cyclohexanol was the most efficient for building up the highest water content and ion-exchange capacity.
열처리 조건이 시금치의 이화학적 특성 및 영양 조성에 미치는 효과
이지선, 황인국, 유선미, 민상기, 김광일, 조연지, 최미정 忠北大學校 農業科學硏究所 2015 農業科學硏究 Vol.31 No.1
This study investigated the effect of thermal treatment (blanching) conditions on the physicochemical and nutritional properties of spinach. For thermal treatments, fresh spinach was treated by three blanching methods including boiled water, steam and pan frying treatments. At the varying time intervals of treatments, pH, color, shear force, proximate composition, organic acid content, peroxidase activity and microbial counts were evaluated. The pH of all treatments tended to increase with increasing blanching time, however, no significant differences among treatments were obtained. The shear force of spinach decreased with blanching time, particularly hot water treatment showed the rapid decrease in the shear force of spinach. The lightness of spinach showed similar pattern with shear force. For proximate compositions, the highest moisture content was found in hot water treatment, while crude protein and ash were highest in steam treatment. Due to the usage oil, pan frying treatment involved in the highest lipid content. The organic acid content treatment was in the order of hot water, pan frying and steam treatment. The thermal treatments attributed to low total plate count of spinach. In addition, thermophilic bacteria, coliform, mold and yeast were not detected in all thermal treatments. Peroxidase activity was lowered by applied thermal treatments. Based on the results, the best blanching condition for spinach was found in steam treatment for 60 s where the spinach showed the minimal changes in physicochemical and nutritional properties of spinach.
당뇨병 치료를 위한 SGLT2 억제제의 심혈관계 안전성 관련 최근 임상시험 결과고찰
김혜럼, 한나영, 유미선, 권광일, 윤휘열 충남대학교 약학대학 의약품개발연구소 2017 藥學論文集 Vol.32 No.-
Patients with type 2 diabetes have a two-to three-times greater risk of developing car-diovascular disease than people without diabetes, and the mortality rate from cardiovascular disease is also reported to increase. The reason why cardiovascular disease is more common in type 2 diabetic patients is not only that cardiovascular risk factors are more common than non-diabetic patients, but also that diabetes itself is an independent risk factor for cardiovascular disease. Since rosiglitazone. which was introduced as a treatment for type 2 diabetes in 2000, has been argued to increase cardiovascular disease sluch as myocardial infarction. there were clinical trials of cardiovascular safety of it such as DREAM. ADOPT and RECORD. As a result. rosiglitazone has been banned due to the risk of cardiovascular disease. The US FDA and other regulatory agencies have required clinical trials for type 2 diabetes treatments afterward. 1n this study. it is reviewed that recently developed SGL T2 inhibitors has cardiovascular benefits as a novel mechanism of type 2 diabetes treatment. SGL T2 inhibitors inhibit the renal sodium glucose co-transporter(SGLT2), thereby reducing glucose reabsorption and increasing excretion of it. and consequently lowering blood glucose levels. Recent papers on ongoing cardiovascular-related clinical trials of SGL T2 in-hibitors such as CANVAS. CANVAS-R. CREDENCE of canagliflozin, DECLARE-TIMI 58 of dapagliflozin. and EMPA -REG outcomes of empagliflozin were examined thoroughly as well.
송유림,Jang Mi Hee,Jang Boyun,Bae Su Jin,Bak Seon Been,Lee Sung Min,Yun Un-Jung,Lee Ju Hee,Park Sang Mi,Jung Dae Hwa,Sa Bok Suk,Song Jong Kuk,이은혜,김광연,Park Kwang-Il,김영우,김상찬 대한독성 유전단백체 학회 2022 Molecular & cellular toxicology Vol.18 No.2
Background Herbal prescriptions have various effects and their efficacy is potentiated by the use of combinations of medicinal herbs. Objective Jageum-Jung (JGJ) is a traditional oriental medical prescription composed of five herbs. It has been used for detoxifi cation, and as an anti-inflammatory and antitumor agent. However, the effect of JGJ on hepatic fibrogenesis is unclear. Results We investigated the role of JGJ in TGF-β1/smad signaling, which is implicated in fibrogenesis, and its hepatoprotective effect in CCl 4 -treated mice with liver fi brosis. Treatment of LX-2 cells with TGF-β induced expression of mediators (α-SMA, PAI-1, and MMP-2) of fibrogenesis and activation of proinflammatory cytokines (TNF-α, IL-1β, and IL-6). However, these were downregulated by pretreatment with JGJ. In mice, oral administration of JGJ prevented liver injury induced by CCl 4 , as indicated by decreases in the ALT and AST levels. Conclusions JGJ inhibits hepatic fibrogenesis and TGF-β1/Smad signaling.