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폐포 대식세포 및 단핵구가 Interleukin-2 Enhanced Natural Killer 및 LAK Activity에 미치는 영향
조철호 ( Jo Cheol Ho ),김병일 ( Kim Byeong Il ),김세규 ( Kim Se Gyu ),천선희 ( Cheon Seon Hui ),김형중 ( Kim Hyeong Jung ),장준 ( Jang Jun ),안철민 ( An Cheol Min ),김성규 ( Kim Seong Gyu ),이원영 ( Lee Won Yeong ),윤정구 ( Yun J 대한내과학회 1992 대한내과학회지 Vol.42 No.5
Alveolar macrophages (AM) are thought to function as primary effector cells against tumors growing in the lung. Systemic administration of lymphokine activated killer (LAK) cells and IL-2 resulted in partial antitumor response in patients with advanced cancer. LAK activity is influenced by various factors. We studied the effects of AM and blood monocytes from healthy donors on IL-2 enhanced NK activity against K-562 cells and LAK activity against Raji cells utilizing a 4h ^(51)Cr release assay. The following results were obtained: 1) The addition of different doses of human blood monocytes showed no suppression or enhancement of IL-2 enhanced NK and LAK activity. 2) The addition of high dose of AM (Lymphocyte: AM=1:1) significantly suppressed IL-2 enhanced NK activity. Smaller doses of AM (Lymphocyte: AM= 10:1and 100:1) did not suppress IL-2 enhanced NK activity. 3) The addition of high dose of AM (Lymphocyte: AM = 1:1 and 10:1) significantly suppressed LAK activity. The smallest dose of AM (Lymphocyte: AM= 100:1) did not suppress LAK activity. In conclusion, IL-2 enhanced NK and LAK activity were dose-dependently suppressed by human alveolar macrophages. However IL-2 enhanced NK and LAK activity were not suppressed by blood monocytes.
Kang, Jae Seung,Kim, Ha Na,Jung, Da Jung,Kim, Jee Eun,Mun, Ga Hee,Kim, Yeong Seok,Cho, Daeho,Shin, Dong Hoon,Hwang, Young-Il,Lee, Wang Jae Williams & Wilkins 2007 The Journal of investigative dermatology Vol.127 No.3
It is well known that UVB (290–320 nm) induces inflammation in skin by the transcription and release of cytokines and chemokines from skin keratinocytes. In addition, it is considered that intracellular reactive oxygen species (ROS) plays an important role in UVB-induced inflammatory response in the skin. Therefore, we investigated the effect of vitamin C, a potent antioxidant, on the regulation of UVB-induced skin inflammation via the modulation of chemokines production. Vitamin C uptake into keratinocytes is increased by UVB irradiation in a time- and dose-dependent manner through the translocation of sodium-dependent vitamin C transporter-1 (SVCT-1), a vitamin C-specific transporter, from the cytosol to the membrane. To evaluate the effect of vitamin C on the chemokine mRNA expression, we performed RNase protection assay. As a result, there was a remarkable change in chemokine mRNA expression, especially IL-8 and monocyte chemoattractant protein (MCP)-1 expression. In addition, increased IL-8 and MCP-1 mRNA expressions were suppressed by vitamin C treatment. We also confirmed the results of protein levels measured by ELISA. Taken together, vitamin C uptake is increased in UVB-irradiated keratinocytes through the translocation of SVCT-1 and regulates inflammatory response in the skin via the downregulation of IL-8 and MCP-1 production.Journal of Investigative Dermatology (2007) 127, 698–706. doi:10.1038/sj.jid.5700572; published online 28 September 2006
대장암 주변에서 관찰되는 백색반점의 병리조직학적 특성과 임상적 의의
김효종,조진만,장린,동석호,김윤화,장영운,박일랑,김병호,이정일 대한소화기내시경학회 1999 Clinical Endoscopy Vol.19 No.4
Background/Aims: To investigate the difference between colorectal adenocarcinomas with white spots (foamy cells) and those without white spots, clinically and histopathologically, were examined 37 cases of colorectal adenocarcinomas were classified in this study. Methods: Two groups: those with white spots and those without. In each case, evidence of lymph node and liver metastasis was sought. Immunoreactive staining for macrophage was performed. Results: Increased incidence of exophytic tumors was found (73%, p=0.028) in the group with white spots. The incidences of lymph node metastasis were 33% vs. 45% between the group with white spots and the group of without, but the difference was not statistically significant. Conclusions: These results suggested that foamy cells might have a beneficial role in colorectal cancer, although they were not statistically significant. Therefore, further prospective study be warranted.
Circulating IL-4 Levels in Lupus nephritis is increased and downregulated by cyclophosphamide
김성일 ( Sung Il Kim ),조미라 ( Mi La Cho ),이신석 ( Shin Seok Lee ),주영실 ( Yeong Shil Joo ),김완욱 ( Wan Uk Kim ),민준기 ( Jun Ki Min ),홍연식 ( Yeon Sik Hong ),이상헌 ( Sang Heon Lee ),박성환 ( Sung Hwan Park ),조철수 ( Chul S 대한내과학회 1998 대한내과학회 추계학술발표논문집 Vol.1998 No.1
Proportion And Characteristics Of Transient Nodules In A Retrospective Analysis Of Pulmonary Nodules
( Jin Yeong Yu ),( Su Young Chi ),( Hee Jung Ban ),( Yong Soo Kwon ),( In Jae Oh ),( Kyu Sik Kim ),( Yu Il Kim1 ),( Sung Chul Lim ),( Song Choi ),( Yun Hyeon Kim ),( Young Chul Kim ) 대한내과학회 2011 대한내과학회 추계학술대회 Vol.2011 No.-
Chang-Min Lee(이창민),Jeong Hyun Chang(장정현),In Duk Jung(정인덕),Young-Il Jeong(정영일),Noh Kyung Tae(노경태),Hee-ju Park(박희주),Jong-Suk Kim(김종석),Yong Kyoo Shin(신용규),Sung Nam Park(박성남),Yeong-Min Park(박영민) 한국생명과학회 2009 생명과학회지 Vol.19 No.6
Naringin은 레몬, 오렌지에서 발견되는 flavonoid계열에 속하는 물질로 여러 식물과 과일에 다량 함유되어 있다. 항암, 항산화 작용을 하는 것으로 알려져 있는 Naringin을 ovalbumin (OVA)으로 유도한 천식(asthma) 생쥐모델을 이용하여 치료효과를 알아 보았다. 기관지 폐포 세척액을 회수하여 백혈구의 수적 변화, 제2형 협조T세포(Th2 cell)가 생산하는 IL-4, IL-5의 생산에 미치는 영향과 폐조직에서 matrix metalloproteinase (MMP)-9 활성을 측정하였다. 또한, 최근에 Th1/Th2 전사인자로서 GATA-3가 밝혀졌는데 이번 실험에서 Naringin이 ovalbumin (OVA)으로 유도한 천식(asthma) 생쥐모델에서 Th1, Th2 싸이토카인과 유전자 발현을 조절할 수 있는가에 대하여 알아보았다 그 결과 기관지 폐포 세척액에서 OVA로 감작하여 천식을 유도한 실험군에서는 호산구의 현저한 증가, Th2 형 싸이토카인(IL-4, IL-5)의 증가가 관찰되었다. 그러나 Naringin을 투여한 그룹에서는 OVA의 감작에 의하여 증가한 각종 염증성 지표들이 감소하거나 정상화 되었다. 또한 OVA에 의하여 증가된 기도저항성이 Naringin 투여에 의하여 감소하였으며 폐조직의 염증성 소견도 뚜렷하게 감소되었다. 이와 같은 연구 결과는 Naringin이 천식의 치료에 유용하게 쓰일 수 있음을 시사해준다. The common word flavonoids is often used to classify a family of natural compounds, highly abundant in all higher plants, that have received significant therapeutic interest in recent years. Naringin is associated with a reduced risk of heart disease, neurodegenerative disease, cancer and other chronic diseases; however the molecular basis of this effect remains to be elucidated. Thus we attempted to elucidate the anti-allergic effect of Naringin in ovalbumin (OVA)-induced asthma model mice. The OVA-induced mice showed allergic reactions in the airways. These included an increase in the number of eosinophils in bronchoalveolar lavage (BAL) fluid, an increase in inflammatory cell infiltration into the lung around blood vessels and airways, airway luminal narrowing, and the development of airway hyper-responsiveness (AHR). The administration of Naringin before the last airway OVA challenge resulted in a significant inhibition of all asthmatic reactions. Accordingly, this study may provide evidence that Naringin plays a critical role in the amelioration of the pathogenetic process of asthma in mice. These findings provide new insight into the immunopharmacological role of Naringin in terms of its effects on asthma in mice.
필딩의 "새로운 글쓰기"와 이중적 재현 : 『조셉 앤드류즈』를 중심으로
김일영 한국영어영문학회 2003 영어 영문학 Vol.49 No.3
The purpose of this paper is to investigate Fielding's view of world and literature by analysing the nature of dual representation in Joseph Andrews. The dual representation in Joseph Andrews is the result of mixing two literary genres, that is, comedy and romance, which form a striking contrast with each other in their literary modes. Along with its romantic devices such as Andrew's birthmark and his fear of incest, elements of romance in Joseph Andrews are Presented in the Plot of the novel, which is characterized by the happy marriage between its hero and heroin, while the genre of comedy is manifested in the realistic and comic description of a series of adventures which Adams and Joseph undergo during their journey to Adams's parish. Fielding, however, did not employ these genres separately in this novel. In the dual light of comedy and romance, he represents Betty's story and the story of Wilson, which are described simultaneously in the languages of vulgar comedy and ideal romance. The reason that Fielding mixes two distinctive genres in Joseph Andrews is that Fielding, a Christian writer who believes in Providence, regards the world as the embodiment of Providence, whereas he, a former justice, is aware of the unrealizability of such poetic justice in this world. With Fielding, who underwent epistemological crisis in the transitional period, the dual representation of mixed genres in Joseph Andrews is not a matter of choice, but a requirement indispensable for the manifestation of his dual attitude to life and world.
Kim, Seung-Hun,Park, Hee-Ju,Lee, Chang-Min,Choi, Il-Whan,Moon, Dong-Oh,Roh, Hwan-Jung,Lee, Hern-Ku,Park, Yeong-Min Elsevier 2006 FEBS letters Vol.580 No.7
<P><B>Abstract</B></P><P>Epigallocatechin-3-gallate (EGCG), a major form of tea catechin, has anti-allergic properties. To elucidate the anti-allergic mechanisms of EGCG, we investigated its regulation of matrix metalloproteinase (MMP-9) expression in toluene diisocyanate (TDI)-inhalation lung tissues as well as TNF-α and Th2 cytokine (IL-5) production in BAL fluid. Compared with untreated asthmatic mice those administrated with EGCG had significantly reduced asthmatic reaction. Also, increased reactive oxygen species (ROS) generation by TDI inhalation was diminished by administration of EGCG in BAL fluid. These results suggest that EGCG regulates inflammatory cell migration possibly by suppressing MMP-9 production and ROS generation, and indicate that EGCG may be useful as an adjuvant therapy for bronchial asthma.</P>
점포내 VMD요소가 SPA 브랜드 정체성에 미치는 영향
김소영, 손지훈, 심효진, 신동훈, 정일호, 홍동우, 김은영 충북대학교 생활과학연구소 2013 생활과학연구논총 Vol.17 No.2
This study was to examine the effect of VMD factors on brand identity for SPA brands. As brand stimulus, four SPA brands(e.g., Basic House, Codes combine, Uniqlo, Zara) were selected by pretest. For collecting data, a self-administered questionnaire was developed based on the literatures and intercept survey was conducted. A total 508 usable responses were obtained from consumers who shopped at the selected brands' stores. For data analysis, descriptive statistics, factor analysis, and regression analysis were used. As perceived by consumers, VMD consisted of seven factors: lightening, scent, color, layout, music, window display, and item presentation. The VMD factor was significantly related to brand identity for the SPA brands. Specifically, brand awareness was predicted by color, layout and item presentation; brand association strength was predicted by color, layout, and widow display; favorable brand association was predicted by item presentation; salience of brand association was predicted by color and music; and brand image association was predicted by color, layout, music, and item presentation. Thus, this study discussed a managerial implication for SPA retailers to develop a visual merchandising strategy in the competitive marketplace.
네트워크를 근간으로하는 분산 시스템을 위한 CNU File Server의 구현
김봉환,황영원,이광일,김상하 충남대학교 자연과학연구소 1993 忠南科學硏究誌 Vol.20 No.1
A file server provides remote centralized storage of data to computers connected to it via a communication network: it facilitates data sharing among autonomous computers and support of inexpensive computers that have limited or no secondary storage. The prototype of CNU File Server(CNUFS) is designed, and the implementation aspacts and initial experiences with applications are discussed in this paper.