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Cho, Eun-Sook,Jin, Byung-Rae,Sohn, Hung-Dae,Chol, Kwang-Ho,Kim, Soung-Ryul,Kang, Seok-Woo,Yun, Eun-Young,Kim, Sang-Hyun,Kim, Keun-Young Korean Society of Sericultural Science 1998 한국잠사곤충학회지 Vol.40 No.2
To construct transformed Bm5 cells, Autographa californica nuclear polyhedrosis virus (AcNPV)IE1 gene, an immediate early viral gene was firstly used in this study. AcNPV IE1 gene, which shares on 95.3% uncleotide sequence homology with Bombyx mori nuclear polyhedrosis virus (BmNPV) IE1 gene, was isolated and cloned into pBluescript. Neomycin gene from pKO-neo was inserted under the control of the IE1 promoter to yield pAcIE1-neo. The plasmid pAcIE1-neo was transfected into Bm5 or Sf9 cells, and neomycin-resistant cells were selected in TC100 medium containing 10% fetal bovine serum (FBS) and 1 mg/$m\ell$ G418 for two weeks. Individual clones were picked and each was amplified for further characterization. The genomic DNA from neomycin-resistnt cells was isolated and characterized by PCR using AcNPV IE1 gene-specific primers and by Southern blot analysis using neomycin gene probe. We concluded that AcNPV IE1 gene was functional in B. moridrived Bm5 cells as well as Spodaptera frugiperda-derived Sf9 cells to produce stably-transformed insect cells.
조은철(Eun Chol Cho),서진학(Jin Hak Suh),정웅윤(Woong Yun Chung),김호근(Ho geun Kim),박정수(Cheong Soo Park) 대한두경부종양학회 2001 대한두경부 종양학회지 Vol.17 No.2
Purpose: Most cases of primary hyperparathyroidism are due to parathyroid adenoma or parathyroid hyperplasia. Parathyroid carcinoma is a very rare cause of hyperparathyroidism. Although the diagnosis of parathyroid carcinoma is usually established by pathologic criteria especially of vascular or capsular invasion, some clinical and biochemical features differentiate it from benign forms of hyperparathyroidism. We under-took a retrospective study in 6 patients with parathyroid carcinoma, with the aim of conveying experience from management for this rare cause of hyperparathyroidism. Methods: Clinical symptoms, biochemical laboratory, radiologic, and intraoperative findings, local recurrence and distant metastasis were analyzed in 6 patients diagnosed pathologically as a parathyroid carcinoma after operation from 1992 to 2001. Results: Mean age was 50.2 years (33.0-60.0 years) and male to female ratio was 1:1. Neck mass was found in 5 patients, multiple bone pain in 3 patients and renal stone in 1 patient. One case has suffered from chronic renal failure for 19 years. Although preoperative laboratory evaluations showed the aspects of hyperparathyroidism in all cases, mean serum calcium level was 11.2mg/dl(10.5-12.1mg/dl), slightly elevated. Laboratory values after surgery were within the normal range in 5 cases. However, in one case with chronic renal failure, serum PTH levels, serially checked, were above the normal range. Any of imaging methods failed to suggest a parathyroid carcinoma preoperatively. Parathyroid adenoma was suspected in 3 cases, thyroid cancer in the other cases before surgery. The extent of resection was radical resection of parathyroid lesion with more than unilateral thyroid lobectomy and central compartment neck node dissection and in 2 cases, the resection of recurrent laryngeal nerve or strap muscles was added. During follow-up period, any local or systemic recurrence were not evident in all the cases. Conclusion: Although parathyroid carcinoma is a rare disease and its preoperative diagnosis, in our experience, could not easily be made, the understanding of characteristic clinical and biochemical feature could help diagnosis at first surgery. Radical resection without remaining residual tumor is most important for the management of the parathyroid cancer.
Adiponectin Concentrations: A Genome-wide Association Study
Jee, Sun Ha,Sull, Jae Woong,Lee, Jong-Eun,Shin, Chol,Park, Jongkeun,Kimm, Heejin,Cho, Eun-Young,Shin, Eun-Soon,Yun, Ji Eun,Park, Ji Wan,Kim, Sang Yeun,Lee, Sun Ju,Jee, Eun Jung,Baik, Inkyung,Kao, Lind Elsevier 2010 American journal of human genetics Vol.87 No.4
<P>Adiponectin is associated with obesity and insulin resistance. To date, there has been no genome-wide association study (GWAS) of adiponectin levels in Asians. Here we present a GWAS of a cohort of Korean volunteers. A total of 4,001 subjects were genotyped by using a genome-wide marker panel in a two-stage design (979 subjects initially and 3,022 in a second stage). Another 2,304 subjects were used for follow-up replication studies with selected markers. In the discovery phase, the top SNP associated with mean log adiponectin was rs3865188 in <I>CDH13</I> on chromosome 16 (p = 1.69 × 10<SUP>−15</SUP> in the initial sample, p = 6.58 × 10<SUP>−39</SUP> in the second genome-wide sample, and p = 2.12 × 10<SUP>−32</SUP> in the replication sample). The meta-analysis p value for rs3865188 in all 6,305 individuals was 2.82 × 10<SUP>−83</SUP>. The association of rs3865188 with high-molecular-weight adiponectin (p = 7.36 × 10<SUP>−58</SUP>) was even stronger in the third sample. A reporter assay that evaluated the effects of a <I>CDH13</I> promoter SNP in complete linkage disequilibrium with rs3865188 revealed that the major allele increased expression 2.2-fold. This study clearly shows that genetic variants in <I>CDH13</I> influence adiponectin levels in Korean adults.</P>
Eun Kyu Park,Hee Joon Kim,Choong Young Kim,Young Hoe Hur,Yang Seok Koh,Jung Chul Kim,Hyun Jong Kim,Jin Woong Kim,Chol Kyoon Cho 대한외과학회 2014 Annals of Surgical Treatment and Research(ASRT) Vol.87 No.2
Purpose: The aim of this study was to compare the therapeutic effects of radiofrequency ablation (RFA) and hepatic resection (HR) with regards to procedural morbidity, mortality, overall survival (OS) and disease-free survival (DFS) rates in hepatocellular carcinoma (HCC) patients. Methods: Retrospective studies were performed based on the medical records of 129 patients who underwent curative HR, and 57 who patients received RFA for HCC, between 2005 and 2009. The inclusion criteria of HCC were the presence of three or fewer nodules 3 cm or less in diameter or a single nodule of 5 cm or less. Results: The 1-, 3- and 5-year OS rates in the HR group were 91.3%, 78.8%, and 64.9%, compared to 94.4%, 74.0%, and 74.0% in the RFA group, with no significant difference between the two groups (P = 0.725). The estimated 1- and 3-year DFS rates were 70.0% and 53.0% in the HR group and 65.2% and 24.7% in the RFA group, respectively. The DFS rates of HR group were significantly higher than RFA group (P = 0.015). Multivariate analysis identified that recurrence (P = 0.036) and portal hypertension (P = 0.036) were associated with OS and that portal hypertension (P = 0.048) and increased serum a-FP (P = 0.008) were the factors significantly associated with DFS. Conclusion: HCC within Milan criteria should consider hepatectomy as the primary treatment if the patient"s liver function and general conditions are good enough to undergo surgical operation. But in that RFA revealed similar overall survival to HR, RFA can be an alternative therapy for patients who are eligible for surgical resection.
태권도 우수 선수와 비 우수선수 간의 최대산소섭취량, 체지방율, 등속성 근력의 비교 연구
조철훈(Cho Chul Hun),최철영(Choi Chul Young),이신언(Lee Sine Eou),신광철(Shin kwang chol),송은규(Song Eun Kyu),현석주(Hyun Suk Joo),이충영(Lee cheong young),박명수(Park myung su) 세계태권도문화학회 2011 세계태권도문화학회지 Vol.- No.2
Aimed at predicting leg muscular power and aerobic power formed centering around the physical composition and knee joints and maximum oxygen take-in of Taekwondo athletes, and the possibility of kinetic damage frequently occurring among Taekwondo athletes, and providing the basic data of training for Taekwondo skill improvement. Subjects composed of male applicants of Taekwondo athletes in K university located in Y region, Choongnam(group1-20persons) and physically strong male applicants (group2 -20persons), and rest heart rate(RHR), maximum heart rate(HRmax), maximum oxygen take-in(VO2max), body fat rate. 1.RHR, HRmax, Maximum oxygen take-in(VO2max), Body fat rate Rest heart rate(RHR) was 62.5±8.5beats/min and 69.9±9.9beats/min, where Taekowndo athletes were less by 7.4beats/min, and maximum heart rate was 178.9±9.7 beats/ min171.3±11.2beats/min where Taekwondo athlete group was shown to be different by 7.6beats/min, maximum oxygen take-in was 57.81±9.4㎖/㎏/min in Taekwondo athlete group and 44.3±9.8㎖/㎏/min in general public, where the former was higher by 13.5㎖/㎏/min. And body fat rate was 10.1±5.6% in Taekwondo athlete group and 17.5±5.0% in the general public, where Taekwondo athlete group was less by 7.4%. 2. Change of Muscular Power It was indicated that the quadriceps muscle(Q/BW(%)) of Taekwondo athlete group(Q/BW(%)) left 242.4±31.3 right 236.5±32.7, hamstring muscle of Taekwondo athlete group(H/BW(%)) left 159.4±32.5 right 164.4±32.5, the thigh extendibility and bendability of Taekwondo athlete group( EQH/ BW(%)) left 328.9±62.0 right 321.5±62.0, the thigh quadriceps muscle of the general public group(Q/BW(%)) left 177.6±33.7 right 181.4±30.2, the hamstring muscle of the general public(H/BW(%)) left 112.1±25.1 right 117.8±21.7, the thigh extendibility and bendability of the general public group(EQH/ BW(%)) left 277.8±64.5 right was 279.5±65.1, which was different. As a result of comparing and analyzing rest heart rate, maximum heart rate, maximum oxygen take-in, and body fat rate between the general public group not exercising, and Taekwondo athlete group. It was indicated to be significant and correlated in maximum oxygen take-in, and body fat rate between groups.
조영민(Cho Youngmin),신은경(Shin Eun-Kyoung),조기철(Cho Ki-Chol),권순박(Kwon Soon-Bark),박덕신(Park Duck-Shin),정우성(Jung Woo-Sung),빈형구(Bin Hyung-Goo) 한국철도학회 2009 한국철도학회 학술발표대회논문집 Vol.2009 No.11월
The particulate matters (PM) concentration in subway stations are often high due to the continuous incoming and generation of them by train and passengers. However, the exact origin of PM is not known yet. In this study, the PM concentration of a subway station was continuously monitored and analyzed to examine what affects the PM concentrations of the station. It was observed that the PM concentration at platform was higher than that at outdoor air. In addition, the PM concentration was very low at late night time, and quite high at rush-hours. The components of PM will be analyzed to explain where the PM comes from in our next study.