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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*
복합문화공간의 색채계획 : 수원시 영통구 상업지구를 중심으로
서주환,여화선,최선주,박선영,김옥경,승지현,김홍균 경희대학교 부설 디자인연구원 2007 예술· 디자인학연구 Vol.10 No.1
The recognition on leisure living which have been enjoyed by prestige level from popular persons is now widely spreaded in modern capitalism society and change of the leisure living influenced very much to the society and Industry. The 5 day work per week system expanded to the school and contemporary leisure living of the people is recognised as one culture with various contents. This change of leisure living made a recognition on the need for a space for leisure culture contents, which related to a creation of Complex-culture facility to contain various type of multiple leisure culture. The Complex-culture facility is mainly focused on the entertainment space with increased leisure living, which is consist of important element of the Complex-culture facility as performance space, exhibition, sports and shopping space to construct performance hall, theater, exhibition room, sports center, shopping mall, leisure space and plaza. This study, therefore, will Investigate on the function and value of color, and review on the cases of Complex-cultural facility and then choose a space of cultural element lack. It will recompose in Complex-cultural facility.
Yeo, Min-Kyung,Kim, Jin-Man,Suh, Kwang-Sun,Kim, Seok-Hyung,Lee, Ok-Jun,Kim, Kyung-Hee Neoplasia Press 2018 Translational oncology Vol.11 No.1
<P>Partitioning defective (Par) proteins regulate cell polarity and differentiation. Par3, Par6β, and protein kinase Cζ (PKCζ), which are PAR complex members, have been shown to be associated with oncogenesis and progression. Herein, we report the expression pattern and clinical relevance of Par3, Par6β, and PKCζ in colorectal adenocarcinoma (CRAC). A total of 393 primary CRACs, 41 primary-metastatic CRAC pairs, 41 adenomas with low-grade dysplasia, and 41 nontumor colorectal tissue samples were examined by immunohistochemistry and Western blot assays for Par3, Par6β, and PKCζ protein expressions. The association Par3, Par6β, and PKCζ expressions and clinicopathologic factors, including patient survival, was evaluated. Primary CRACs and adenomas demonstrated higher levels of Par3, Par6β, and PKCζ than in nontumor colorectal epithelia. The expressions of Par3, Par6β, and PKCζ were higher in primary CRACs as compared to adenomas or in metastatic CRACs. Among primary CRACs, decreased Par3 expression was found to correlate with a high proliferation rate and poor histologic differentiation, decreased PKCζ expression was correlated with pathologic TNM stage (I-II vs III-IV) and lymph node metastasis, and decreased Par6β and PKCζ expressions were correlated with shortened overall survivals. In metastatic CRACs, decreased PKCζ expression was correlated with a shortened metastasis-free survival. While increased Par3, Par6β, and PKCζ expressions were implicated in tumorigenesis, decreased expressions of Par3, Par6β, and PKCζ were found to be associated with worse clinicopathologic factors in CRAC. In particular, the results of our study suggest that PKCζ down-expression is an independent poor prognostic and metastatic factor for CRAC.</P>
Yeo, Min-Kyung,Choi, Song-Yi,Seong, In-Ock,Suh, Kwang-Sun,Kim, Jin Man,Kim, Kyung-Hee W.B. Saunders Co 2017 Human pathology Vol.68 No.-
<P>Programmed cell death 1 receptor (PD-1)/programmed death-1 ligand-1 (PD-L1) interaction has been linked to tumor immune evasion. PD-L1 expression has been indicated in identifying non-small cell lung carcinoma (NSCLC) patients for treatment with anti-PD-1 or anti-PD-L1 therapy. The goal of this study was to evaluate the clinicopathologic values of PD-L1 expression and single-nucleotide polymorphisms (SNPs) in the PD-L1 gene in lung adenocarcinoma (ADC) and squamous cell carcinoma (SqCC). The 147 NSCLC tissues consisted of 84 samples of ADC and 63 samples of SqCC. All tissue microarray paraffin blocks were used for PD-L1 immunohistochemical assays with 22C3, SP263, and SP142 clones. Three SNPs in the PD-L1 gene, rs4143815, rs822336, and rs822337, were genotyped using SNP pyrosequencing. The PD-L1 expression was significantly higher in SqCC than in ADC. Among ADCs, PD-L1 expression was significantly higher in papillary and solid types than in lepidic and acinar types. Statistical associations of the PD-L1 expression with a shorter disease-free survival outcome and lymph node metastasis in the ADCs were found but no associations in SqCCs. Among the three SNPs, the rs4143815 genotype CC was statistically associated with positive 22C3 PD-L1 labeling in NSCLCs. The rs4143815 genotype GG instead showed a trend of shorter survival outcomes but did not reach statistical significance in the ADCs. Our results showed a significantly higher prevalence of positive PD-L1 expression in lung SqCC than in ADC. However, the PD-L1 expression and rs4143815 genotype GG might be useful for the prediction of poor prognosis in lung ADC cases.</P>
( Yeo Kyung Lee ),( Jo Eun Kim ),( Hyun Ju Oh ),( Kyung Sun Park ),( Soo Kyung Kim ),( Seok Won Park ),( Moon Jong Kim ),( Yong Wook Cho1 ) 대한내과학회 2011 The Korean Journal of Internal Medicine Vol.26 No.4
Background/Aims: The proper treatment of subclinical hypothyroidism and the normal range of serum thyroid stimulating hormone (TSH) concentration are intensely debated. However, few reports have investigated TSH concentrations in Asian ethnic groups. Therefore, the present study was designed to define the TSH reference range in a Korean population and to investigate the metabolic significance of TSH concentration. Methods: We enrolled patients who underwent medical examination at the CHA Bundang Medical Center. Anthropometric data were evaluated, and serum TSH, free T4, and lipid profiles were assayed. Results: A total of 7,270 subjects were included. Mean TSH concentration of the study population was 1.82 ± 0.95 mU/L, and we observed a sex-related difference in TSH concentration (male, 1.67 ± 0.87 mU/L; female, 2.02 ± 1.01 mU/L; p < 0.01). When the 2.5 and 97.5 percentiles were calculated, 95% TSH reference limits were 0.52-4.29 mU/L. TSH concentration was higher in elderly subjects, during winter, in postmenopausal women, and in obese males. Moreover, TSH showed significantly positive correlations with serum total cholesterol, triglyceride, and low density lipoprotein cholesterol regardless of sex, age, season, obesity, or menopausal status (all p < 0.01). Finally, TSH concentration was positively related to the prevalence of metabolic syndrome. Conclusions: We demonstrated the association between TSH concentration within the normal reference range and serum lipid levels. TSH concentration varies according to sex, age, season, and body mass index (only in males). Moreover, high normal TSH levels were significantly associated with an increased prevalence of metabolic syndrome, which may be of importance when evaluating subjects with high normal TSH concentration.
YEO, MIN-KYUNG,LEE, YONG-MOON,SEONG, IN-OCK,CHOI, SONG-YI,SUH, KWANG-SUN,SONG, KYU SANG,LEE, CHOONG-SIK,KIM, JIN MAN,KIM, KYUNG-HEE Potamitis Press 2016 Anticancer research Vol.36 No.12
<P>Aim: Cluster of differentiation 24 (CD24) is known to be a putative marker of stem cell and tumor metastasis. This study aimed to verify the clinicopathological value of CD24 expression in colorectal adenocarcinoma (CRAC). Materials and Methods: A total of seven whole tissue sections of malignant polyps including the sequence non-neoplastic colorectal tissue adenoma CRAC, 48 adenomas and 161 CRACs arranged as tissue microarray were examined by immunohistochemistry for CD24 protein expression. Association of CD24 expression with clinicopathological parameters were also studied. Results: CD24 was not detected in normal mucosal epithelia. Cytoplasmic CD24 expression was higher in CRAC than in adenoma (p<0.001). In CRACs, cytoplasmic CD24 expression was inversely correlated with poor differentiation (grades 1 to 3), tumor size, and pathological TNM stage (I to III versus IV) (p=0.005, p=0.034, and p=0.006, respectively). Statistical correlations between high CD24 expression and longer overall and disease freesurvival were found (p=0.023 and p=0.033, respectively). Conclusion: Our findings suggest that up-regulation of CD24 expression in CRAC occurs at malignant transformation but is a marker of good prognosis, being down-regulated in pathological TNM stage IV. CD24 expression may be a challenging diagnostic marker in differentiating early invasive CRAC from adenoma and may serve as a prognostic marker in patients with CRAC.</P>
Ezetimibe가 말기 신부전 환자의 혈중 지질 및 혈전 지표에 미치는 영향
박경선 ( Kyung Sun Park ),여영선 ( Young Sun Yeo ),유미현 ( Mi Hyun Yoo ),최준석 ( Jun Seok Choi ),장지웅 ( Ji Woong Jang ),부선진 ( Sun Jin Boo ),유동준 ( Dong Jun Yoo ),김순배 ( Soon Bae Kim ) 대한내과학회 2009 대한내과학회지 Vol.77 No.4
Background/Aims: Dyslipidemia is one of the major causes of cardiovascular disease in end-stage renal disease (ESRD) patients. Most of them are dyslipidemic despite the use of lipid-lowering agents. Ezetimibe is a novel chemical entity that inhibits the intestinal absorption of dietary and biliary cholesterol. This study evaluated the effects of ezetimibe on the lipid profile, inflammation markers, endothelial injury, and thrombogenesis in ESRD patients. Methods: Sixty-five patients with serum low-density lipoprotein (LDL)-cholesterol levels≥100 mg/d were recruited: 33 patients were on hemodialysis and 32 patients were on peritoneal dialysis. They were assigned randomly to the ezetimibe (10 mg) monotherapy group and the ezetimibe (10 mg) plus simvastatin (10 mg) combination therapy group. Both drugs were administered for 8 weeks. Results: There were no significant differences in the baseline demographic and laboratory characteristics between the two groups. In the monotherapy group, the total and LDL-cholesterol levels were reduced by 14.7 and 21.9%, respectively. There were no changes in the high-density lipoprotein (HDL)-cholesterol or triglyceride levels. Fibrinogen increased significantly (p=0.04). In the combination therapy group, the total and LDL-cholesterol levels were reduced by 29.8 and 42.4%, respectively. There was an additional 15.1% reduction in total cholesterol and an additional 20.5% reduction in LDL cholesterol compared with monotherapy. Several patients complained of minor adverse effects and only one patient in the ezetimibe monotherapy group discontinued medication, because of diarrhea. Conclusions: In ESRD patients, ezetimibe used as combination therapy with a statin is more effective than ezetimibe monotherapy in ESRD patients. (Korean J Med 77:461-471, 2009)