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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
개원의의 진료의뢰시 기대요인 및 만족도에 관한 연구 : 협력병원체제 여부를 중심으로
김동일,김해준,윤석준,문영배 한국의료QA학회 2002 한국의료질향상학회지 Vol.9 No.2
Background : This research, as a part of improving management process of college hospital in this rapidly changing circumstances, is searching for the actual state of private clinics referring patients to referral center including college hospitals. Methods : This research examined the sense of satisfaction and requesting degree in using referral center and by analyzing the correlation and differences among factors such as primary factors regarded as selecting ones in referring patients to a referral center in college hospital and expecting factors expected to be supported to patients and cooperative hospitals. Results : The main researched results are as follows. First, as for the primary factors, the differences between cooperative and uncooperative hospitals revealed the fact that choosing target hospital in accordance with cooperative relation and convenient process in referring patients are important. Second, satisfaction rates, analyzed from the paired t-test revealed kindness and convenience as the top priorities, while sending patients back again and benefit of supporting such as the use of facilities were revealed as the least satisfactory aspects, despite the fact that they should be fulfilled through actual service. Conclusion : The recognition of the practitioner is examined and analyzed in this research by examining primary factors in selecting college hospitals, expecting factors expected to be supported to patients and satisfaction degree, which are expected to be used as basic materials for the development of referral center of college hospitals.
최문영 ( Choe Mun Yeong ),송현주 ( Song Hyeon Ju ),김미연 ( Kim Mi Yeon ),이영숙 ( Lee Yeong Sug ),김승정 ( Kim Seung Jeong ),최규복 ( Choe Gyu Bog ),윤견일 ( Yun Gyeon Il ),강덕희 ( Kang Deog Hui ),박기덕 ( Park Gi Deog ) 대한신장학회 2004 Kidney Research and Clinical Practice Vol.23 No.2
Baclofen, a derivative of the inhibitory neurotransmitter gamma-aminobutyric acid (GABA), is used for the treatment of muscle spasm, intractable hiccups and multiple sclerosis. It is mostly excreted by glomerular filtration with a clearance that is proportional to creatinine clearance. Early hemodialysis is a treatment of the choice for baclofen-induced neurologic complication in renal failure patients. We experienced a 57-year-old hemodialysis patient with right arm muscle spasm who developed baclofen-associated encephalopathy by a single dose of oral baclofen (10 mg). He admitted to the hospital with the symptom of stuporous mental status with no specific focal neurologic signs. Brain CT imaging and blood biochemistry showed no specific abnormality. EEG revealed the typical metabolic encephalopathy findings, such as triphasic wave and frontal lobe syndrome with delta wave. After daily hemodialysis for 3 days, there was a complete recovery of an altered mentality. After one month later, the follow-up EEG showed normal finding with the resolution of abnormal waves. We report this case with a review of relevant literature. Baclofen should be used carefully, and rather recommended not to be administered in patients with renal failure. (Korean J Nephrol 2004;23(2):353-357)
Mun-Jang Jeon,Won Il Choi,Kwang-Sik Choi,Yeong-Jin Chung,Sang-Chul Shin 한국응용곤충학회 2006 Journal of Asia-Pacific Entomology Vol.9 No.3
To understand influence of two species of parasitoids on host population dynamics, adult population dynamics of pine needle gall midge (PNGM), Thecodiplosis japonensis and two species of parasitoids, Inostemma matsutama and Inostemma seoulis were observed using emergence traps from 1986 to 2005. Density of PNGM decreased after outbreaks in 1986 and 1987 and showed density-dependent regulation. Relationships between density of PNGM and its parasitoids were linear except the period of outbreak regardless of parasitoids species. Relationships between host density and parasitism of I. matsutama and I. seoulis were density-independent and inverse density -dependent, respectively. I. seoulis was the dominant parasitoid against PNGM. Interspecific competition between two parasitoids was not strong and temporal niche segregation between two parasitoids was a possible mechanism for coexistence of two parasitoids. The parasitoid complex responded to changes in host density more sensitively than single parasitoid species. These results suggested that two parasitoid can stabilize PNGM population density without strong negative effects on each species of parasitoids.
Yeong-Sang Jung,Hyun-Il Lee,Mun-Ho Jung,Jeong-Ho Lee,Jeong-Tae Kim,Jae E Yang 한국토양비료학회 2015 한국토양비료학회지 Vol.48 No.5
Decision of available soil depth based on soil physical and hydraulic properties for the 3<SUP>rd</SUP> Landscape Vegetation Project in the Incheon International Airport was attempted. The soil samples were collected from the 8 sites at different depths, 0-20 and 20-60cm, for the three project fields, A, B, and C area. Physical and chemical properties including particle size distribution, organic matter content and electrical conductivity were analyzed. Hydrological properties including bulk density and water holding capacity at different water potential, -6 kPa, -10 kPa, -33 kPa, and -1500 kPa were calculated by SPAW model of Saxton and Rawls (2006), and air entry value was calculated by Campbell model (1985). Based on physical and hydrological limitation, feasibility and design criteria of soil depth for vegetation and landfill were recommended. Since the soil salinity of the soil in area A area was 19.18 dS m<SUP>-1</SUP> in top soil and 22.27 dS m<SUP>-1</SUP> in deep soil, respectively, landscape vegetation without amendment would not be possible on this area. Available soil depth required for vegetation was 2.51 m that would secure root zone water holding capacity, capillary fringe, and porosity. Available soil depth required for landscape vegetation of the B area soil was 1.51 m including capillary fringe 0.14 m and available depth for 10% porosity 1.35 m. The soils in this area were feasible for landscape vegetation. The soil in area C was feasible for bottom fill purpose only due to low water holding capacity.