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Molecular imaging of atherosclerosis using reporter gene system
Ran Ji Yoo1,Yong Jin Lee 대한방사성의약품학회 2018 Journal of radiopharmaceuticals and molecular prob Vol.4 No.1
Macrophages play a key role in atherosclerotic plaque formation, but their participation has been discerned largely via ex vivo analyses of atherosclerotic lesions. Therefore, we aimed to identify atherosclerosis on noninvasive in vivo imaging using reporter gene system. This study demonstrated that recruitment of macrophages could be detected in atherosclerotic plaques of Apolipoprotein E knockout (ApoE-/-) mice with a sodium iodide symporter (NIS) gene imaging system using 99mTc-SPECT. This novel approach to tracking macrophages to atherosclerotic plaques in vivo could have applications in studies of arteriosclerotic vascular disease.
유애광,김옥란,정경옥,강지연 김천과학대학 1999 김천과학대학 논문집 Vol.25 No.-
The objectives of this study are to explore the health status, depression and self-integration of living-alone elderly and to evaluate a community health visiting program managed by nursing faculties and students. Study subjects were 28 residential or institutional living-alone elderly who were the clients of community health visitng program in department of nursing, Kimcheon Science College. Each data was collected through an interview with the nursing students who visit the client's home once a week. The major findings of the study were as follows: (1) About 89% of study subjects considered they were not in good health status and those who thought they were unhealthy compared to other people experienced more accident, trauma or disease. (2) The depression scores were negatively correlated with self-integration scores. Those who benefit governmental support show higher depression and lower self-esteem than that of economically independent subjects. The higher health status they were in, the lower depression and higher self-integration they felt. (3) Most subjects expressed satisfaction to the home visiting services offered by nursing students. However, the satisfaction rate for visible outcome, relevancy of service and nursing skill were relatively lower than other items like preference, attitude of students or visiting itself. In conclusion most living-alone elderly are in low physical and psychological health state, and health promotion programs like home visiting services should be developed.
김정일,김병권,김정원,채창호,이철호,강동묵,김지홍,김진하,김영욱,이영하,이지호,김정호,윤형렬,유철인,정백근,장태원,김운규,윤동영,강진욱,김종은,안진홍,이동준,장준호,이광영,송혜란,최영희,이용환,조병만,최홍렬,고상백,김은아,이유진,홍영습,정갑열,김정만,김준연 大韓産業醫學會 2004 대한직업환경의학회지 Vol.16 No.1
Objective: Occupational medicine specialists in the Busan, Ulsan and Kyung-Nam areas established an area-based occupational disease surveillance system and used this system to collected case information for the purpose of preventing occupational diseases Methods: l l hospital participated in this system. The authors selected five main diseases, which were hand-arm vibration syndrome (HAVS), work-related musculoskeletal disorder (WRMSD), occupational asthma, occupational skin disease and occupational and occupational lung cancer and established their case definitions. All cases were reported on the web, and real time analysis was conducted. Results: Between April 2001 and April 2003, 192 cases of HAVS, 118 cases of WRMSD, 33 cases of occupational asthma, 17 cases of occupational skin disease and 17 cases of occupational lung cancer (for a total of 377 cases of these five main diseases) were reported. most of the HAVS cases came from shipbuilding, and 172 of them (92.7%) were associated with grinding. Of the four main types of WRMSD, carpal tunnel syndrome (CTS) was the most prevalent with 46 cases and shipbuilding was also the main industry involved (83.9%). The ergonomic risk factors involved mainly associated with the hand. In 19 (57.6%) and 4 (12.1%) cases of occupational asthma, the agents involved. The causative agents of occupational lung cancer included Cr, welding fume, PAH, Ni, etc. 10(58.8%) of the cases were diagnosed as squamous cell carcinoma and 5(29.4%) as adenoma. Conclusion: This result showed that an area-based occupational disease surveillance system might provide an effective method of evaluating the prevalence of such diseases, however the Busan, Ulsan and Kyung-Nam provinces are too large to be treated as individual areas. Therefore, the authors suggest that each province should establish its own surveillance system.
Yoo, Ran Ji,Lee, Ji Woong,Lee, Kyo Chul,An, Gwang Il,Ko, In Ok,Chung, Wee Sup,Park, Ji Ae,Kim, Kyeong Min,Choi, Yang-Kyu,Kang, Joo Hyun,Lim, Sang Moo,Lee, Yong Jin 대한방사성의약품학회 2015 Journal of radiopharmaceuticals and molecular prob Vol.1 No.2
$^{64}Cu$-labeled diacetyl-bis($N^4$-methylthiosemicarbazone) is a promising agent for internal radiation therapy and imaging of hypoxic tissues. In the study, we confirmed hypoxia regions in VX2 tumor implanted rabbits with injection $^{64}Cu$-ATSM and $^{18}F$-FDG using positron emission tomography (PET)/computed tomography (CT). PET images with $^{18}F$-FDG and $^{64}Cu$-ATSM were obtained for 40 min by dynamic scan and additional delayed PET images of $^{64}Cu$-ATSM the acquired up to 48 hours. Correlation between intratumoral $O_2$ level and $^{64}Cu$-ATSM PET image was analyzed. $^{64}Cu$-ATSM and $^{18}F$-FDG were intravenously co-injected and the tumor was dissected and cut into slices for a dual-tracer autoradiographic analysis. In the PET imaging, $^{64}Cu$-ATSM in VX2 tumors displayed a specific uptake in hypoxic region for48 h. The uptake pattern of $^{64}Cu$-ATSM in VX2 tumor at 24 and 48 h did not match to the $^{18}F$-FDG. Through ROI analysis, in the early phase (dynamic scan), $^{18}F$-FDG has positive correlation with $^{64}Cu$-ATSM but late phase (24 and 48 h) of the $^{64}Cu$-ATSM showed negative correlation with $^{18}F$-FDG. High uptake of $^{64}Cu$-ATSM in hypoxic region was responded with significant decrease of oxygen pressure, which confirmed by $^{64}Cu$-ATSM PET imaging and autoradiographic analysis. In conclusion, $^{64}Cu$-ATSM can utilize for specific targeting of hypoxic region in tumor, and discrimination between necrotic- and viable hypoxic tissue.
Molecular imaging of atherosclerosis using reporter gene system
Yoo, Ran Ji,Lee, Kyochul,Kang, Joo Hyun,Lee, Yong Jin Korean Society of Radiopharmaceuticals and Molecul 2018 Journal of radiopharmaceuticals and molecular prob Vol.4 No.1
Macrophages play a key role in atherosclerotic plaque formation, but their participation has been discerned largely via ex vivo analyses of atherosclerotic lesions. Therefore, we aimed to identify atherosclerosis on noninvasive in vivo imaging using reporter gene system. This study demonstrated that recruitment of macrophages could be detected in atherosclerotic plaques of Apolipoprotein E knockout (ApoE-/-) mice with a sodium iodide symporter (NIS) gene imaging system using $^{99m}Tc-SPECT$. This novel approach to tracking macrophages to atherosclerotic plaques in vivo could have applications in studies of arteriosclerotic vascular disease.
Skin Whitening Effects of Functional Perilla frutescens Fractions Extracts
Ji Hye Yoo(유지혜),Hye Min Han(한혜민),Byeong Ju Kang(강병주),Mi Ran Jeon(전미란),Jae Hoo Choi(최재후),Chang Heum Kim(김창흠),Su Jin Yang(양수진),Si Young Lee(이시영),Jung Dae Lim(임정대),Yea Ji Lee(이예지),Nam Jun Kim(김남준),Jae Ge 한국약용작물학회 2016 한국약용작물학회 학술대회논문집 Vol.2016 No.1