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      • KCI등재

        선모(仙茅) 열수(熱水) 추출물의 Collagen 유발 관절염에 대한 약리 효능 연구

        서부일 ( Bu Il Seo ),노성수 ( Seong Soo Roh ),박지하 ( Ji Ha Park ),박찬익 ( Chan Ik Park ),구진숙 ( Jin Suk Koo ) 대한본초학회 2016 大韓本草學會誌 Vol.31 No.4

        Objectives:In Korean medicine, Curculiginis Rhizoma was treated for arthritis in remedy. But efficacy of Curculiginis Rhizoma on collagen induced arthritis was not revealed. Methods:Anti inflammatory effect of Curculiginis Rhizoma was researched in vitro with RAW264.7 cell and cell toxicity, levels of proinflammatory cytokines (TNF-α, IL-1β, IL-6 and IL-12) and PGE2 were analyzed by ELISA assay. Inflammatory protein were analyzed by western blotting assay (JNK, ERK, COX-2, TNF-α and IL-1β). In vivo, collagen induced arthritis mice model was used to evaluate anti-inflammation effect through arthritis index, immune cell number and cytokine levels (TNF-α, IL-6 and IL-1β) in serum. Results:ECR(Extract of Curculiginis Rhizoma) has not shown cell toxicity in 200 ㎍/㎖ on RAW264.7 cell. ECR suppressed releases of NO, TNF-α, IL-1β, IL-6, IL-12 and PGE2 on RAW264.7 cell treated with lipopolysacharide (1 ㎍/㎖). And ECR inhibited regulation of TNF-α, IL-1β and IL-6 mRNA, reduced protein release of JNK, ERK, iNOS, COX-2, IL-1β and TNF-α. AI of group treated with ECR 200 ㎎/㎏ and 100 ㎎/㎏ were significantly decreased compared to vihicle arthritis mice, the number of immune cell in foot joint was increased on control mice but those of group treated with ECR 200 ㎎/㎏ and 100 ㎎/㎏ were significantly reduced. This results correspond with contens of cytokines (TNF-α, IL-1β and IL-6) in serum. Conclusions:Curculiginis Rhizoma has anti-inflammation effect on RAW264.7 cell in vitro and collagen induced arthritis in vivo . So it is necessary to research more mechanism for cascade imfact.

      • SCISCIESCOPUS

        A novel role for bone-derived cells in ankylosing spondylitis: Focus on IL-23

        Jo, Sungsin,Koo, Bon San,Lee, Bitnara,Kwon, Eunji,Lee, Young Lim,Chung, Heekyoung,Sung, Il-Hoon,Park, Ye-Soo,Kim, Tae-Hwan Elsevier 2017 Biochemical and biophysical research communication Vol. No.

        <P><B>Abstract</B></P> <P>The main aim of this study are to explore the role of bone-derived cells (BdCs) in ankylosing spondylitis (AS) and determine the underlying molecular mechanisms of IL-23 production. Primary BdCs were isolated from diced bone of facet joints obtained during surgery from seven AS patients and seven disease control (Ct) patients. Osteoblastic activity of BdCs was assessed by measuring their alkaline phosphatase activity and by alizarin red staining. Osteoblast and endoplasmic reticulum (ER) stress-related genes were assessed by quantitative PCR, immunoblotting, immunofluorescence, and immunohistochemistry. In addition, expression of IL-23 in response to BIX (selective BIP inducer X)-induced ER stress was evaluated by qPCR and ELISA. Protein interaction and binding to IL-23 promoter were confirmed by Immunoprecipitation and Chromatin immunoprecipitation, respectively. Transcript levels of genes involved in osteoblast function, as well as of the ER stress marker were higher in the AS group than the Ct group, and elevated RUNX2, BiP and IL-23 expression were observed in the BdCs, serum, and bone biopsies from the AS group. BIX-induced ER stress stimulated osteoblastic activity and IL-23 secretion by upregulating RUNX2 expression. Furthermore, in AS BdCs, RUNX2 interacted with C/EBPβ to bind to IL-23 promoter and RUNX2 knockdown suppressed IL-23 secretion. These finding may provide a molecular mechanism involved in sustained ER stress in AS BdCs stimulates the activation of RUNX2 and C/EBPβ genes, leading to IL-23 production.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Bones and its-derived cells from patients with AS showed an increase in ER stress. </LI> <LI> IL-23 cytokine was significantly higher in AS patients than in healthy controls. </LI> <LI> Inducing ER stress in AS exhibited an increase of bone-related genes. </LI> <LI> Inducing ER stress in AS was accompanied with augmentation of IL-23 cytokine. </LI> <LI> ER stress-induced RUNX2 is involved in IL-23 secretion and bone-related genes. </LI> </UL> </P>

      • SCISCIESCOPUS

        Recovery of ionic liquid and sugars from hydrolyzed biomass using ion exclusion simulated moving bed chromatography

        Mai, Ngoc Lan,Nguyen, Nam Trung,Kim, Jin-Il,Park, Hyuk-Min,Lee, Sung-Kyun,Koo, Yoon-Mo Elsevier 2012 Journal of Chromatography A Vol.1227 No.-

        <P><B>Highlights</B></P><P>► Ionic liquid was successfully separated from aqueous sugar mixtures by ion exclusion SMB. ► Ionic liquid and sugar recovery yield depend on the SMB zone flow rates. ► Complete recovery of ionic liquid could be obtained by optimization of SMB zone configuration.</P> <P><B>Abstract</B></P><P>Efficient recovery of ionic liquid (IL) from aqueous mixture of ILs and sugars (which derived from enzymatic or chemical catalyzed hydrolysis of ILs-pretreated biomass) is a major drawback for commercialization of biofuel and platform chemicals production from biomass utilized ILs as pretreatment solvent. In this study, simulated moving bed (SMB) chromatography equipped with ion exclusion column (containing [Emim]<SUP>+</SUP> cation) was investigated to separate sugars (glucose and xylose) which are the main products from biomass hydrolysate and 1-Ethyl-3-methylimidazolium acetate (EmimAc) which is the ILs used for biomass pretreatment. A four-zone SMB system with a configuration of 2-2-2-2 (2 ion exclusion columns in each zone) was used to recover glucose, xylose and EmimAc from their aqueous mixture with yield of 71.38, 99.37 and 98.92%, respectively. Moreover, the optimization of SMB zone configuration by simulation results in a complete recovery of ILs. This result indicates that for the first time, ion exclusion SMB chromatography could be used for complete recovery of ILs from aqueous sugar mixture.</P>

      • KCI등재

        사람 치은 섬유아세포에서의 Tannerella forsythia 전세균, 막단백질, 당지질에 의한 염증성 사이토카인 발현

        김정은,이성훈,최봉규,구기태,김태일,이용무,구영,정종평,류인철,Kim, Jung-Eun,Lee, Sung-Hoon,Choi, Bong-Kyu,Koo, Ki-Tae,Kim, Tae-Il,Lee, Yong-Moo,Ku, Young,Chung, Chong-Pyoung,Rhyu, In-Chul 대한치주과학회 2008 Journal of Periodontal & Implant Science Vol.38 No.3

        Purpose: The purpose of this study was to investigate induction of cytokine expression in human gingival fibroblasts (HGFs) by whole cell and the components of T. forsythia. Material and Methods: After HGFs were treated with lipopolysaccharide (LPS), membrane protein isolated from T. forsythia or culture media of T. forsythia, the induction of interleukin (IL)-1, IL-6 and IL-8 was examined with real-time PCR and ELISA. Their induction ability of cytokines was compared with whole bacteria. Result: The expression of IL-6 and IL-8 was significantly induced in HGFs by whole bacteria and membrane protein. The expression of IL-$1{\beta}$ was induced by membrane protein of T. forsythia, not by whole bacteria. LPS and condition media of T. forsythia slightly activated HGFs. Conclusion: The membrane protein of T. forsythia could be one of virulence factors.

      • KCI등재

        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.

      • SCOPUSKCI등재

        골수이식 후 사이토카인과 골교체 생화학적표지자의 변화 및 상관관계

        민우성,강무일,한제호,강성구,오기원,이원영,김혜수,문성대,손현식,신완식,김춘추,윤건호,차봉연,이광우,손호영 대한내분비학회 2000 Endocrinology and metabolism Vol.15 No.1

        Background : Loss of bone mass is usually detected after BMT. The causes of bone loss are related with gonadal dysfunction and immunosuppressants. Cytokines, especially IL-6, play an important role in the pathogenesis of postmenopausal osteoporosis. However, the pathogenetic role of cytokines in post-BMT bone loss is unknown and data on the changes of cytokines in accordance with bone turnover markers are scarce. The aim of this study is to assess the relationship of bone turnover markers and cytokines of peripheral blood and bone marrow before and after allogeneic BMT. Methods : This prospective study included two analyses. The first was a study of 46 BMT recipients, examining the relationship between bone turnover markers and cytokines of serum which were measured before and 1, 2, 3, 4 week and 3 months after BMT. The second was a study of 14 BMT patients, measuring bone marrow plasma cytokines such as IL-6 and TNF-? at post-BMT 3 week and bone turnover marker at the same time to assess the relationship beween two parameters. Results : Serum ICTP, bone resorption marker, increased progressively until 4 weeks (peak) after BMT and then decreased thereafter. Serum osteocalcin, bone formation marker, decreased progressively until 3 weeks after BMT and then increased thereafter. There was positive correlation between serum ICTP and bone marrow IL-6 levels at the post-BMT 3 week with a statistical significance, but the correlation between bone turnover markers and bone marrow TNF-? or peripheral blood cytokines was not found. Conclusion : Our data suggest that the progressive increase of bone resorption after BMT is related with the increase of bone marrow IL-6, which is a potent stimulator of bone resorption in vivo(J Kor Soc Endocrinol 15:85-96, 2000).

      • SCOPUSKCI등재

        FK506과 cyclosporin A가 기관지상피세포, 단핵구, 림프구 및 폐포대식세포에서 $I{\kappa}B{\alpha}$ 분해 및 $IKK{\alpha}$ 활성에 미치는 효과

        윤호일,이창훈,이희석,이춘택,김영환,한성구,심영수,유철규,Yoon, Ho Il,Lee, Chang-Hoon,Lee, Hee-Seok,Lee, Choon-Taek,Kim, Young Whan,Han, Sung Koo,Shim, Young-Soo,Yoo, Chul-Gyu 대한결핵및호흡기학회 2003 Tuberculosis and Respiratory Diseases Vol.54 No.4

        연구배경 : Cyclosporin A(CsA)와 tacrolimus(FK506)은 현재 임상에서 널리 쓰이는 면역억제제이다. CsA와 FK506이 $I{\kappa}B/NF-{\kappa}B$ 경로에 미치는 영향에는 세포에 따라 다양한 효과가 알려져 있다. 그러나 CsA와 FK506이 기관지 상피세포에서 $I{\kappa}B/NF-{\kappa}B$ 경로에 미치는 효과에 관해서는 알려져 있지 않고, 각종 염증 세포에서의 차이에 관해서도 보고가 미미한 실정이다. 본 연구에서는 비염증세포인 기관지상피세포와, 폐의 염증에 중요한 역할을 하는 염증 세포(폐포대식세포, 단핵구, 림프구)에서 CsA와 FK506이 $I{\kappa}B{\alpha}$의 분해에 미치는 영향과 그 기전을 평가하였다. 방 법 : 비염증세포로는 BEAS-2B와 A549 세포주를 이용하였다. FK506 또는 CsA 전처치 후 TNF-${\alpha}$로 자극하고 anti-$I{\kappa}B{\alpha}$ 항체를 이용한 Western blot으로 $I{\kappa}B{\alpha}$의 분해 여부를 관찰하였다. 염증세포로는 폐포대식세포, 말초혈액 단핵구 및 림프구를 이용하였고, 역시 FK506 또는 CsA 전처치 후 TNF-${\alpha}$, IL-$1{\beta}$, LPS로 자극하고 anti-$I{\kappa}B{\alpha}$ 항체를 이용한 Western blot으로 $I{\kappa}B{\alpha}$의 분해 여부를 관찰하였다. IKK의 활성도는 GST-$I{\kappa}B{\alpha}$를 기질로 이용한 in vitro immune complex kinase assay로 평가하였다. 결 과 : 사용된 모든 세포에서 CsA와 FK506은 $I{\kappa}B{\alpha}$의 발현에 영향을 미치지 않았다. 기관지 상피세포에서 TNF-${\alpha}$ 자극에 의한 $I{\kappa}B{\alpha}$의 분해는 CsA의 전처치로 억제되었으나, FK506의 전처치로는 억제되지 않았다. 단핵구, 림프구 및 폐포대식세포에서 외부자극에 의한 $I{\kappa}B{\alpha}$의 분해는 CsA 또는 FK506의 전처치로 억제되었으나 IKK활성은 억제되지 않았다. 결 론 : CsA와 FK506은 각각 기관지 상피세포와 단핵구, 림프구, 폐포대식세포에서 외부 자극에 의한 $I{\kappa}B{\alpha}$의 분해를 억제하는데, 이는 IKK 활성화의 억제가 아닌 다른 경로를 통하는 것으로 생각된다. Background : Cyclosporin A(CsA) and tacrolimus(FK506) have been widely used as immunosuppressants. The effects of CsA, or FK506, on the $I{\kappa}B/NF-{\kappa}B$ pathway have been shown to vary according to the cell type. However, their effects on the $I{\kappa}B/NF-{\kappa}B$ pathway have not been reported in bronchial epithelial cells. In this study, the effects of CsA and FK506 on the $I{\kappa}B/NF-{\kappa}B$ pathway in bronchial epithelial cells, monocytes, lymphocytes and alveolar macrophages were evaluated. The relationship between their effects on the $I{\kappa}B/NF-{\kappa}B$ pathway and $I{\kappa}B$ kinase(IKK) activity was also investigated. Methods : BEAS-2B and A549 cells, pulmonary alveolar macrophages, peripheral blood monocytes and lymphocytes were used. The cells were pre-treated with CsA, or FK506, for various time periods, followed by stimulation with TNF-${\alpha}$, LPS or IL-$1{\beta}$. The $I{\kappa}B{\alpha}$ expressions were assayed by Western blot analyses. The IKK activity was evaluated by an in vitro immune complex kinase assay, using GST-$I{\kappa}B{\alpha}$ as the substrate. Results : Neither CsA nor FK506 affected the level of $I{\kappa}B{\alpha}$ expression in any of the cell types used in this study. CsA pre-treatment inhibited the TNF ${\alpha}$-induced $I{\kappa}B{\alpha}$ degradation in bronchial epithelial cells. In contrast, the TNF ${\alpha}$-induced $I{\kappa}B{\alpha}$ degradation was not affected by FK506 pre-treatment. However, FK506 suppressed the cytokine-induced $I{\kappa}B{\alpha}$ degradation in the pulmonary alveolar macrophages, peripheral blood monocytes and lymphocytes. The inhibitory effect of CsA, or FK506, on $I{\kappa}B{\alpha}$ degradation was not related to IKK. Conclusions : CsA and FK506 suppressed the $I{\kappa}B{\alpha}$ degradation in bronchial epithelial cells, monocytes, lymphocytes and alveolar macrophages, so this may not be mediated through IKK.

      • 국내 소집단 활동의 효과적인 지도에 관한 연구

        구일섭,김태성 남서울대학교 2005 남서울대학교 논문집 Vol.11 No.2

        The purpose of this study is to propose the effective guidance of Quality Small Group(or Quality Control Circles) activities. The Quality Small Group activities started in Japan during the 1960s. In the study, we have paid much attention to propose the guidances of the problems found during the initial stages and the appreciation of the achievements of Quality Small Group activities until now. We surveyed the previous proceedings of the company-wide, local and domestic contests of Quality Small Group activities, present some of them as evidences of our arguments, and try to establish principles of activation of that. We also suggest principles residing in the activities and propose the desirable direction of Quality Small Group movement in Korea. From the results of our analysis, we recognized that there are gaps between some subjective appraisers and team members. These should then be elaborated and grounded in the detailed and accessible directions.

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