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지구성운동이 난소절제 모델의 대동맥에서 에스트로겐 수용체, Endothelin-1 및 eNOS에 미치는 효과
전종귀 ( Jong-kui Jun ),박희근 ( Hee-geun Park ),이위 ( Wei Li ),이영란 ( Young-ran Lee ),정준현 ( Jun-hyun Jung ),이왕록 ( Wang-lok Lee ),이상기 ( Sang-ki Lee ) 한국운동생리학회(구 한국운동과학회) 2016 운동과학 Vol.25 No.3
PURPOSE: This study was to investigate effect of endurance exercise on estrogen receptors, endothelin-1, eNOS and ERK expression in aorta of ovariectomized rats. METHODS: Female (Fischer 344, n=40) rat of 6 weeks ages were divided into 3 groups; Sham-control (SO, n=10), OVX-control (SC, n=10), OVX-low intensity exercise (OL, n=10), OVX-moderate intensity exercise (OM, n=10). The two exercise training groups ran on treadmill for 60 min/day, 5 times/week at 18 and 26 m/min for 16 weeks. Western blotting was used to analysis rat aortas and target proteins. The statistical evaluation was performed using one way ANOVA and post-hoc test. p<.05 was considered statistical significant. RESULTS: In comparison with OV group, OM group showed significantly lower body weight gain and TG. Expression of estrogen receptor α (ERα) and ET-1, not estrogen receptor β (ERβ), in OV was significantly higher than SC, but they were significantly recovered in both of OL and OM compared with OV. Both of OL and OM significantly increased phosphorylation of eNOS and ERK compared with OV. CONCLUSIONS: These results suggest that endurance exercise training may improve the vascular function through suppression of ET-1 and activation of eNOS, ERK and ERα in aorta of ovariectomized rats.
박광오 ( Kwang O Park ),전종현 ( Jong Hyun Jun ),장활식 ( Hwal Sik Chang ) 한국정보시스템학회 2014 情報시스템硏究 Vol.23 No.4
The purpose of this study is to identify and comprehensively explain the SCM-related factors involved in the realization of RTE, including the quality of information concerning SCM, the quality of SCM partnerships, and relationship controlling factors (planning control, behavioral control, and outcome control). This study systematizes the interactions among these factors into a form of a model, elucidating how these interactions affect and shape RTE characteristics. To validate the research model proposed in the study, filed survey was conducted with 79 staffs in Korean company using SCM. The findings of the study can be summarized as follows: First, the quality of information concerning SCM had significant effect on the quality of SCM partnerships, planning control, behavioral control, and outcome control. Not only does the quality of SCM information directly influence the quality of SCM partnerships, planning control, behavioral control, and outcome control; but it also indirect influence on forecasting, agility, and visibility of SCM though its influence on the different forms of relationship control. Second, the quality of SCM partnerships also had significant effect on planning control, behavioral control, and outcome control. In addition to directly influencing these forms of relationship control, the quality of SCM partnerships also indirectly influenced forecasting, agility, and visibility though its influence on relationship control. Third, planning control significantly influenced forecasting, agility and visibility. Fourth, behavioral control significantly influenced forecasting, but neither agility nor visibility. Fifth, outcome control had significant influence on forecasting, agility, and visibility.
장활식 ( Hwal Sik Chang ),전종현 ( Jong Hyun Jun ),박광오 ( Kwang Oh Park ) 한국정보시스템학회 2011 情報시스템硏究 Vol.20 No.3
To date, SCM research has mainly focused on the effects of controlled variables on SCM success and emphasized adoption strategies and critical success factors. Consequently, the effects of more uncontrolled variables such as partnership between SCM partners have been largely ignored. The purpose of this study, therefore, is to examine the effects of both controlled variables and uncontrolled variables on SCM performance through affecting RTE characteristics. The six factors examined in this study include Quality of information, partnership quality, Forecasting, Agility, Visibility, and SCM performance. In this study, SCM Performance was divided into three categories: Quality Performance, Cost Performance, Delivery Performance. All factors were examined from the perspective of part suppliers. The results of this study can be summarized as follows. First, SCM information quality positively affected SCM partnership quality, Forecasting, Agility, Visibility. Second, SCM partnership quality positively affected Forecasting, Agility. But, SCM partnership quality showed no significant effect on Visibility. Third, Forecasting had a significant impact on SCM performance. According to the detailed result of measuring SCM performance with Quality Performance, Cost Performance, Delivery Performance, although Forecasting affects Cost Performance, Delivery Performance directly, it does not affect Quality Performance directly. Fourth, Agility also had a significant impact on SCM performance. According to the detailed result of measuring SCM performance, Agility has significant impact on Quality Performance, Cost Performance, Delivery Performance. Fifth, Visibility, as expected, had a significant impact on SCM performance. According to the detailed result of measuring SCM performance, Visibility has significant impact on Quality Performance, Cost Performance, Delivery Performance.
대학 캠퍼스 내 에너지저장장치 연계에 따른 잉여 수소에너지 생산에 관한 연구
최봉기(Bong-Gi Choi),전종현(Jong-Hyun Jun),김성열(Sung-Yul Kim) 대한전기학회 2018 전기학회논문지 P Vol.67 No.2
Depending on how the energy storage system(ESS) is used in a system that can construct a microgrid by using an independent power source such as campus, surplus power can be generated that can not be charged to the ESS. For example, assuming that heat is supplied by a fuel cell in the case of a system in which thermal self-sustaining is prioritized, the fuel cell capacity required differs depending on the heat load. The amount of surplus power that can not be stored in the ESS will appear differently depending on the load operation of the fuel cell for each cycle. This power is hydrogenated through a water electrolytic device to present the amount of hydrogen energy that can be operated for each cycle. Therefore, this paper propose the possibility of utilizing University campus as a hydrogen station.
이기주(Ki Joo Lee),문정빈(Jeong Bin Moon),한수연(Soo Yeon Han),김미하(Mi Ha Kim),기숙현(Sook Hyeun Kee),박중신(Joong Shin Park),전종관(Jong Kwan Jun),윤보현(Bo Hyun Yoon),신희철(Hee Chul Syn) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.9
Far Eastern countries including Korea show the high prevalence of hepatitis B virus carriers, so that the incidence of liver cirrhosis is higher than in western countries. But pregnancies with liver cirrhosis are rarely encountered in clinical settings, since liver cirrhosis usually develops after childbearing ages and often causes the disturbance of estrogen metabolism, resulting in severe menstrual irregularity and infertility. Therefore, little is known about the interactions between liver cirrhosis and pregnancy. Liver cirrhosis and portal hypertension are not contraindications to pregnancy but necessitate intensive monitoring throughout pregnancy because the complications of liver cirrhosis, which pose additional risks during pregnancy, are numerous and unpredictable. We report 3 cases of pregnancies in patients with liver cirrhosis with brief review of the literature.
복합 운동프로그램이 초등학생의 신체구성, 혈중지질 및 체력에 미치는 영향
전종귀,이왕록,박희근,정준현,이영란,신동원,이경숙 충남대학교 체육과학연구소 2006 體育科學硏究誌 Vol.23 No.1
The purpose of the present study was to examine the effects of combined training on the changes of body composition, blood lipid profile and fitness in elementary school students. Thirty subjects participated in the present study. The subjects were divided into two groups either exercise group for 10weeks(15n) or control group for 10weeks(l5n) The results were described as follows; 1) There were significant differences in the body weight and lean body mass after the exercise program between two groups. 2) There were no significant differences in the blood TC, HDL-C, LDL-C, TG concentration after the exercise program between two groups. 3) There were significant differences in the sit-up and flexibility after the exercise group between two groups. In conclusion, it might be thought that the combined training improved the levels of body composition and health-related fitness in elementary subjects.