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Baek, Hee Sun,Lee, Youngok,Jang, Hea Min,Cho, Joonyong,Hyun, Myung Chul,Kim, Yeo Hyang,Hwang, Su-Kyeong,Cho, Min Hyun The Korean Pediatric Society 2020 Clinical and Experimental Pediatrics (CEP) Vol.63 No.4
Background: Acute kidney injury (AKI) is one of the most significant postoperative complications of pediatric cardiac surgery. Because serum creatinine has limitations as a diagnostic marker of AKI, new biomarkers including neutrophil gelatinase-associated lipocalin (NGAL), kidney injury molecule-1 (KIM-1), and interleukin-18 (IL-18) are being evaluated to overcome these limitations and detect AKI at an early stage after cardiac surgery. Purpose: This study aimed to investigate the clinical usefulness of these biomarkers in young children. Methods: Thirty patients with congenital heart diseases who underwent cardiac surgery using cardiopulmonary bypass (CPB) were selected, and their urine and blood samples were collected at baseline and 6, 24, and 48 hours after surgery. Serum creatinine and blood urea nitrogen levels as well as NGAL, KIM-1, and IL-18 levels in urine samples were measured, and clinical parameters were evaluated. Results: Of the 30 patients, 12 developed AKI within 48 hours after cardiac surgery. In the AKI group, 8 of 12 (66.6%) met AKI criteria after 24 hours, and urine KIM-1/creatinine (Cr) level (with adjustment of urine creatinine) peaked at 24 hours with significant difference from baseline level. Additionally, urine KIM-1/Cr level in the AKI group was significantly higher than in the non-AKI group at 6 hours. However, urine NGAL/Cr and IL-18/Cr levels showed no specific trend with time for 48 hours after cardiac surgery. Conclusion: It is suggested that urine KIM-1/Cr concentration could be considered a good biomarker for early AKI prediction after open cardiac surgery using CPB in young children with congenital heart diseases.
Protective Effects of N-acetylcystenine and Selenium against Doxorubicin Toxicity in Rats
Yeo-sung Yoon,Sun-don Kim,Min-hye Lee,Heung-shik S.Lee,In-se Lee,Je-kyung Sung,Eun-sung Park 대한수의학회 2003 Journal of Veterinary Science Vol.4 No.2
Effects of N-acetylcysteine and Selenium against Doxorubicin Toxicity in RatsEun-sung Park, Sun-don Kim1, Min-hye Lee, Heung-shik S. Lee, In-se Lee, Je-kyung Sung and Yeo-sung Yoon*
Purification and Characterization of Helicobacter pylori ${\gamma}$-Glutamyltranspeptidase
Song, Jae-Young,Choi, Yeo-Jeong,Kim, Jeong-Min,Kim, Yoo-Ree,Jo, Jin-Seong,Park, Jin-Sik,Park, Hee-Jin,Song, Yun-Gyu,Lee, Kon-Ho,Kang, Hyung-Lyun,Baik, Seung-Chul,Youn, Hee-Shang,Cho, Myung-Je,Rhee, Kw The Korean Society for Microbiology 2011 Journal of Bacteriology and Virology Vol.41 No.4
Gamma-glutamyltranspeptidase (GGT) was purified to electrophoretic homogeneity from the cell extract of H. pylori. The purified enzyme consisted of heavy and light subunits with molecular weights of 38 kDa and 21 kDa, respectively. N-terminal amino acid sequence of heavy and light subunits revealed that H. pylori GGT was processed into 3 parts for a signal peptide of 27 amino acid residues, a heavy subunit of 352 residues, and a light subunit of 188 residues during translation. The reaction rate for hydrolysis of ${\gamma}$-GpNA was 84.4 ${\mu}mol/min$ per milligram of protein, and that for the ${\gamma}$-glutamyl transfer from ${\gamma}$-GpNA to gly-gly was 23.8 ${\mu}mol/min$ per milligram of protein. The apparent Km values of H. pylori GGT for ${\gamma}$-glutamyl compounds were on the order of $10^{-3}$ to $10^{-4}$ M and those for acceptor peptides and amino acids were on the order of $10^{-1}$ to $10^{-2}$ M. The GGT protein kept approximately 80% of the initial enzymatic activity on incubation at $60^{\circ}C$ for 15 min. The optimum temperature and pH for reactions of both hydrolysis and transpeptidation were $40^{\circ}C$ and 9.0, respectively. The transpeptidation and hydrolysis reactions catalyzed by H. pylori GGT were strongly inhibited by L-Gln and moderately inhibited by L-Ala, L-Ser, ${\beta}$-chloro-L-Ala, and L-Glu. These results demonstrated that the biochemical properties of H. pylori GGT are different from those of other bacterial GGTs. Further, H. pylori GGT might degrade glutathione in the gastric mucous layer of humans if the enzyme could be secreted in the bacterial niches.
체육공원의 환경 색채에 관한 연구 : 수원시 체육공원을 중심으로
여화선,김신원,김민정 경희대학교 부설 디자인연구원 2008 예술· 디자인학연구 Vol.11 No.1
This paper studied general ideas of the color theory that affects the psychological response of the sports park users based on the color and then suggested an appropriate environmental color plan of the sports park in Suwon. Also, our purpose is to raise the efficiency of exercise and form vibrant and harmonious sports park with healthful surroundings. The place of investigation were Yeogisan sorts park(2004), Hwasan sports park(2005), youngheung sports park(2006) in Suwon, and the range of investigation was limited the three requisites for construction of a space in the sports park. This study was performed by analysis of the present condition of the place and suggested the color palette and color plan. There weren't used colors stand for symbolism and emphasis. Moreover, the place of investigation used the dark color and the turbid color that didn't match with nature and lessen the efficiency of exercise. The result of this study can be summarized as follows: Seven colors which stand for Suwon apply to environmental colors of the sports park. Green and Blue represent desire, wealth of Suwon city and planned the place which was in harmony with nature. We used Orange, Gold fitted 4 season for energetic and dynamic atmosphere. Also, we offer people with calmness and comfort by making use of Gray, Light gray and Silver. Environmental color of sports park improves the quality of cultural and social life for revitalizing of physical exercise. Furthermore, it leads a foothold in reinforcement of global competitiveness and revitalization of local economy through better image of city.
구민성,김윤희,여남회 東亞大學校附設스포츠科學硏究所 2001 스포츠科學硏究論文集 Vol.19 No.-
The purpose of this study was to investigate literature study of the effect of antioxidant during exercise. The study material were five journal of exercise science, master and doctoral theses, and antioxidants. Total thirty-five articles were selected this study. This study demonstrated that the mechanism of free radical and antioxidant did not find out during exercise and recovery. High intensity exercise or training produced on excess of free radical, but low-intensity exercise and antioxidant supplement were not. These results suggest that don’t forget Cooper’s advices: “Exercise must be at the center of any effective antioxidant action plan.” The reason; without regular exercise, your body’s internal defense against free radicals including natural endogenous antioxidants like SOD, GSH, Catalase may become too fragile for supplement to have their full effect.
한국인 주요우울장애 환자에서 혈중 ACTH, Cortisol 농도와 해밀턴 우울 평가 척도의 신체증상 항목과의 상관관계
여혜빈,김린,함병주,심세훈,권영준,정희연,정한용,한상우,이민수,이화영 대한생물치료정신의학회 2011 생물치료정신의학 Vol.17 No.2
Objectives:Hypothalamic-Pituitary-Adrenocortical(HPA) system dysregulation plays an important role in the pathophysiology of major depressive disorder. Medically unexplained somatic symptoms comprised the predominant complaints of korean patients with major depressive disorder. It might be related to dysregulation of HPA system and somatic symptoms. The aim of this study was to investigate the association between Hamilton Depression Rating Scale severity and the Plasma Adrenocorticotropic Hormone(ACTH) & Serum Cortisol level in Korean patients with major depressive disorder. Methods:Our study design was prospective. A total 111 hospitalized patients with major depressive disorder (DSM-IV) at Anam Hospital, Korea University Medical Center between Jan 2009 and May 2011 were selected. Hamilton Depression Rating Scale was measured by psychiatrist. Plasma ACTH, Serum Cortisol levels were analyzed at the time of admission. Results:There are significant correlations(p<0.05) between Hamilton Depression Rating Scale of somatic component(HAM-D 11-15 item) and Plasma ACTH and Serum Cortisol level. However, other HAM-D sub items were not significantly correlated with Plasma ACTH and Serum Cortisol level except somatic component. Conclusion:Our Study results suggest that hyperactivity of HPA axis might be correlation with somatic symptoms in korean patients with major depressive disorder.
윤여창,김연형,오민권 又石大學校 1998 論文集 Vol.20 No.-
In this paper, we propose a exploratory data analysis system on the World Wide Web, and can offer dynamic graphics. Graphics play an important role of any statistical analysis system. They provide the double role of visual display and diagnostic tool. To serve as a useful diagnostic tool, this system offers many kinds of exploratory data analysis. In order to explore these statistical graphics efficiently, this system might be divided into six windows, i.e. File, Exploratory Data Analysis. Statistic. Correlation, Distribution, Help. This system using JAVA programming language is composed with an easy-to-use environment even for novices in exploratory data analysis.
신민철,윤옥병,오승환,김여갑,이상철,신민철 大韓顎顔面成形再建外科學會 1996 Maxillofacial Plastic Reconstructive Surgery Vol.18 No.1
Mucoepidermoid carcinomas, first reported by Volkman(1895), form 6% to 9% of all salivary tumors. Two thirds affecting the parotid gland and the remaining third, the minor glands. As we could know from its name, mucoepidermoid carcinomas originate from ductal epithelium including squamous, mucous-secreting, and undifferentiated intermediate cells. Histologically, it is classified as well-differentiated (low grade), moderately-differentiated(intermediate grade), and poorly-differentiated (high grade) types and the treatment method and prognosis are influenced from its histological grade. We have experienced two cases of mucoepidermoid carcinoma treated surgically with good results and now would like to report these with review of literatures.