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In Kyung Yoo,Chan Gyoo Kim,서영주,Younkyung Oh,백광호,Sun Moon Kim,김영대,Chul Hyun Lim,전정원,홍수진,Byoung Wook Bang,Joon Sung Kim,정준원 대한소화기내시경학회 2020 Clinical Endoscopy Vol.53 No.4
Background/Aims: Frequent bleeding after endoscopic resection (ER) has been reported in patients with end-stage renal disease (ESRD). We aimed to evaluate the association and clinical significance of bleeding with ER in ESRD patients on dialysis. Methods: Between February 2008 and December 2018, 7,571 patients, including 47 ESRD patients on dialysis who underwent ER forgastric neoplasia, were enrolled. A total of 47 ESRD patients on dialysis were propensity score-matched 1:10 to 470 non-ESRD patients,to adjust for between-group differences in variables such as age, sex, comorbidities, anticoagulation use, tumor characteristics, and ERmethod. Matching was performed using an optimal matching algorithm. For the matched data, clustered comparisons were performedusing the generalized estimating equation method. Medical records were retrospectively reviewed. Frequency and outcomes of post-ERbleeding were evaluated. Results: Bleeding was more frequent in the ESRD with dialysis group than in the non-ESRD group. ESRD with dialysis conferred asignificant risk of post-ER bleeding (odds ratio, 6.1; 95% confidence interval, 2.7–13.6; p<0.0001). All post-ER bleeding events werecontrolled using endoscopic hemostasis except in 1 non-ESRD case that needed surgery. Conclusions: ESRD with dialysis confers a bleeding risk after ER. However, all bleeding events could be managed endoscopicallywithout sequelae. Concern about bleeding should not stop endoscopists from performing ER in ESRD patients on dialysis.
Erdr1 Attenuates Dermatophagoides farina Body Extract-Induced Atopic Dermatitis in NC/Nga Mice
Kim, Kyung Eun,Jung, Myung Jin,Houh, Younkyung,Kim, Tae Sung,Lee, Wang Jae,Yang, Yoolhee,Bang, Sa Ik,Kim, Chang Han,Kim, Heejong,Park, Hyun Jeong,Cho, Daeho Williams & Wilkins 2017 The Journal of investigative dermatology Vol.137 No.8
Ji Hong Cheon,Na Na Lim,Geun Su Lee,Ki Hong Won,Sung Hoon Lee,Eun Young Kang,Hyun Kyung Lee,Younkyung Cho 대한재활의학회 2020 Annals of Rehabilitation Medicine Vol.44 No.1
Objective To investigate the differences of spinal curvature, thoracic sagittal mobility, and respiratory strength between patients with chronic neck pain (CNP) and people without cervical pain, and to determine the correlation between respiratory strength and thoracic mobility in CNP patients. Methods A total of 78 participants were finally included in this study, of whom 30 had no cervical pain and 48 had CNP. The Neck Disability Index (NDI), cervical lordotic curvature, thoracic kyphotic curvature, thoracic sagittal range of motion (ROM), maximal inspiratory pressure (MIP), and maximal expiratory pressure (MEP) were measured and analyzed. Results In males, thoracic sagittal ROMMEP-MIP and MEP showed a significant difference between the no cervical pain group and the CNP group. In females, thoracic kyphotic curvature, thoracic sagittal ROMMEP-MIP, MIP, and MEP were significantly different between the no cervical pain group and the CNP group. Thoracic kyphotic curvature was significantly correlated with MEP and MIP in all population groups, and significantly correlated with NDI in the female group. Thoracic sagittal ROMMEP-MIP had a significant linear relationship with NDI, MEP, and MIP in all population groups. Conclusion The thoracic mobility during forced respiration was reduced in patients with CNP and was correlated with respiratory strength. Changes in the biomechanics of the cervicothoracic spine and rib cage due to CNP may contribute to impairment of respiratory strength.
A Low-Power Scan Driver Circuit for Oxide TFTs
Jae-Eun Pi,MinKi Ryu,Chi-Sun Hwang,ShinHyuk Yang,Sang-Hee Ko Park,Sung-Min Yoon,HongKyun Leem,YounKyung Kim,JoonDong Kim,Hwan Sool Oh,KeeChan Park IEEE 2012 IEEE electron device letters Vol.33 No.8
<P>The scan driver composed of oxide thin-film transistors (TFTs) tends to exhibit anomalously high power consumption because the oxide TFT often has negative threshold voltage. In order to resolve this problem, we have invented a new scan driver circuit in which most TFTs are turned off with negative V<SUB>GS</SUB> and no TFT with zero V<SUB>GS</SUB> is located between the high and low supply voltages. As a result, we could maintain the power consumption within six times of the normal value in spite of the negative threshold voltage of the oxide TFT.</P>
Jung, Min Kyung,Park, Yoorim,Song, Seok Bean,Cheon, So Young,Park, Sunyoung,Houh, Younkyung,Ha, Soogyeong,Kim, Hee Jung,Park, Jung Min,Kim, Tae Sung,Lee, Wang Jae,Cho, Byung Joo,Bang, Sa Ik,Park, Hyun The Society for Investigative Dermatology, Inc 2011 The Journal of investigative dermatology Vol.131 No.10
Erythroid differentiation regulator (Erdr1) was first discovered in mouse leukemia cell lines and functions as a stress-related survival factor. This study investigated whether Erdr1 regulates murine melanoma progression, as well as the mechanism involved in Erdr1-regulated metastasis. The expression of Erdr1 is negatively correlated with IL-18 expression, which has a pro-cancer effect in melanoma. To study the role of Erdr1 as an anti-cancer factor, cell migration, invasion, and proliferation were measured. Erdr1 overexpression markedly inhibited the level of cell migration, invasion, and proliferation in B16F10 cells in vitro. In addition, Erdr1 overexpression significantly suppressed melanoma lung colonization, metastasis, and tumor growth in vivo. To identify the factors involved in Erdr1-reduced metastasis, heat shock protein 90 (HSP90), a well-known stress protein and contributor to tumor metastasis, was examined. We found that HSP90 was significantly decreased in Erdr1-overexpressing cells. Functional analysis demonstrated that HSP90 small-interfering RNA transfection reduced the migration ability and metastasis of melanoma. In conclusion, Erdr1 shows a powerful anti-metastasis effect that leads to the ability to reduce the metastatic potential of murine malignant melanoma cells. Erdr1 is an anti-metastatic factor that may be a possible therapeutic target for treatment of melanoma.