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Clinicopathologic factors influencing the accuracy of EUS for superficial esophageal carcinoma.
Jung, Jung Im,Kim, Gwang Ha,I, Hoseok,Park, Do Youn,Kim, Tae Kyun,Cho, Young Hwa,Sung, Yong Wan,Choi, Mun Ki,Lee, Bong Eun,Song, Geun Am WJG Press 2014 WORLD JOURNAL OF GASTROENTEROLOGY Vol.20 No.20
<P>To identify clinicopathologic factors influencing the accuracy of a high-frequency catheter probe endoscopic ultrasonography (EUS) for superficial esophageal carcinomas (SECs).</P>
문윤정(Youn-Jung Mun),오진주(Jin-Joo Oh) 한국보건교육건강증진학회 2013 보건교육건강증진학회지 Vol.30 No.5
Objectives: The purpose of this study was to examine the effect of the horticultural activity program on high school students’ stress, self-esteem and quality of life. Methods: Research method used in this was nonequivalent control group pre-test and post-test design. The number of students in experimental and control group were 25 students; The horticultural activities were conducted 15 times twice a week from May 30<SUP>th</SUP> 2012 to July 18<SUP>th</SUP> 2012. Results: There were statistically significant differences of stress scores(F=12.678, p=.001) self-esteem scores(t=-2.836, p=.009), quality of life scores (t=-2.958, p=.007) between the experimental and control group. Conclusions: Based on the results, horticultural activity program for high school students was effective in decreasing stress, increasing self-esteem and quality of life. Therefore the horticultural activity program can be adopted as a effective intervention for high school students.
( Hyung-seop Youn ),( Tae Gyun Kim ),( Mun-kyoung Kim ),( Gil Bu Kang ),( Jung Youn Kang ),( Jung-gyu Lee ),( Jun Yop An ),( Kyoung Ryoung Park ),( Youngjin Lee ),( Young Jun Im ),( Jun Hyuck Lee ),( 전남대학교 약품개발연구소 2016 약품개발연구지 Vol.25 No.-
Ouinolinate phosphoribosyltransferase (QPRT) catalyses the production of nicotinic acid Mononucleotide, a precursor of de novo biosynthesis of the ubiquitous coenzyme nicotinamide adenine dinucleotide. QPRT is also essential for maintaining the homeostasis of quinolinic acid in the brain, a possible neurptoxin causing various neurodegenerative diseases. Although QPRT has been extensively analysed, the molecular basis of the reaction catalyzed by human QPRT remains unclear. Here, we present the crystal structures of hexameric human QPRT in the apo form and its complexes With reactant or product. We found that the interaction between dimeric subunits was dramatically altered during the reaction process by conformational changes of two flexible loops in the active site at the dimer-dimer interface. In addition, the N-terminal short helix α1 was identified as a critical hexamer stabilizer. The structural features, size distribution, heat aggregation and ITC studies of the full-length enzyme and the enzyme lacking helix α1 stroungly suggest that human QPRT acts as a hexamer for cooperative reactant binding via three dimeric subunits and maintaining stability. Based on our comparison of human QPRT structures in the apo and complex forms, we propose a drug design strategy targeting malignant glioma.
콩기름 저장 중 휘발성분에 대한 LED와 형광등 광원 조사의 영향
박인선(In-Seon Park),최덕주(Duck-Joo Choi),윤예리(Aye-Ree Youn),이윤정(Youn-Jung Lee),김윤경(Youn-Kyeong Kim),김문호(Mun-Ho Kim),최소례(So-Rye Choi),김기화(Ki Hwa Kim),동혜민(Hyemin Dong),한현정(Hyun Jung Han),노봉수(Bong Soo Noh) 한국식품과학회 2013 한국식품과학회지 Vol.45 No.6
본 연구는 전자코를 이용하여 시판 콩기름의 휘발성분이 파장에 영향을 받는지 알아보고자 암실과 형광등 및 파장이 다른 LED 광원을 PE 용기에 조사하면서 12주 동안 변화되는 휘발성분의 패턴 변화를 분석하였다. 콩기름의 휘발성분의 변화는 저장기간 동안 암실 처리구에서 가장 적고 천천히 일어났으며, 형광등 처리구에서 가장 크고 급격한 변화가 일어나는 것을 보여주었다. 저장 초기인 4주에는 형광등 처리구를 제외한 모든 처리구에서 미세한 변화가 일어났으며, 저장 12주에는 형광등 처리구 다음으로 파란색과 백색 LED 처리구에서 큰 변화를 보여준 반면 초록색 LED 처리구에서는 변화가 적었다. 파란색과 흰색 LED 처리구는 저장 12주째에서 급격한 휘발성분의 변화가 나타났다. 하지만 빨간색과 초록색 LED 조사 시에는 8주째에 급격한 휘발성분이 생성된 것에 비하여, 저장 12주째에는 휘발성분의 변화가 매우 감소하는 것을 보여주었다. 또한 초록색 LED 처리구에서 가장 적은 변화를 보였다. 이러한 결과를 토대로 볼 때 초록색 LED 광원에서 콩기름을 전시 판매하는 것이 바람직하며, 형광등과 파란색, 백색 LED 광원은 바람직하지 못한 것으로 판단된다. 또한, 전시 판매가 아니라면 암실에서 저장하는 것이 가장 바람직할 것으로 예상되는 바이다. Soybean oil was stored in polyethylene for 12 weeks at 20oC. The influence of LED (light emitting diode) irradiation on four different wavelengths and fluorescent light was investigated. The pattern changes of volatile components in soybean oil was analyzed by electronic nose based on mass spectrometer. The obtained data from electronic nose were analyzed by discrimination function analysis. Under fluorescent light, the discriminant function first score (DF1) was significantly moved from positive position to negative one after 4-12 weeks. It means that the volatile compounds related to quality of lipid. It was shown to increase slowly due to green light of LED treatment, while blue and white LED light was influenced significantly as well as fluorescent light irradiation. Selection of LED irradiation would provide to keep good quality of soybean oil under distribution chain system.
Insoo Kim,Kikyoung Yi,이주희,Kyumin Kim,Soyoung Youn,서수연,Jiyeon Kim,Jung mun choi,정석훈 대한수면학회 2019 sleep medicine research Vol.10 No.2
Sleep Med Res > Volume 10(2); 2019 > Article Original Article Sleep Medicine Research (SMR) 2019; 10(2): 83-89. Published online: Dec 31, 2019 DOI: https://doi.org/10.17241/smr.2019.00451 Dysfunctional Beliefs about Sleep in Cancer Patients Can Mediate the Effect of Fear of Progression on Insomnia Insoo Kim, MD1, Kikyoung Yi, MD2, Joohee Lee, MD1, Kyumin Kim, MD1, Soyoung Youn, MD1, Sooyeon Suh, PhD3, Jiyeon Kim, PhD4, Jung Mun Choi, BA1, Seockhoon Chung, MD, PhD1 1Department of Psychiatry, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea 2Department of Psychiatry, Yongin Mental Health, Yongin, Korea 3Department of Psychology, Sungshin Women’s University, Seoul, Korea 4Department of Art Therapy, Hanyang Cyber University, Seoul, Korea Correspondence: Seockhoon Chung, MD, PhD, Department of Psychiatry, Asan Medical Center, University of Ulsan College of Medicine, 86 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea, Tel +82-2-3010-3411, Fax +82-2-485-8381, E-mail schung@amc.seoul.kr Received Oct 21, 2019 Revised Nov 1, 2019 Accepted Nov 5, 2019 Copyright© 2019 The Korean Society of Sleep Medicine Abstract Background and Objective The role of the dysfunctional belief about sleep is important for the development of insomnia among cancer patients. This study intended to investigate whether dysfunctional belief about sleep mediates the relationship between fear of progression and insomnia in cancer patients. Methods Three hundred and thirty-seven cancer patients participated in our study. Dysfunctional belief about sleep, severity of insomnia, depression, fear of progression, and anxiety were measured using the following questionnaires: Cancer-related Dysfunctional Beliefs about Sleep (C-DBS); Insomnia Severity Index (ISI); Patient Health Questionnaire-9 (PHQ-9); Fear of Progression (FoP); and the state subcategory of State and Trait Anxiety Inventory (STAI). Path analysis was used to clarify the relationships among the variables. Since C-DBS consists of two items, i.e., Q1-immune & Q2-recurrence, we implemented an additional path analysis including these variables separately. Results C-DBS mediated the effect of FoP (β = 0.36, p < 0.001) and patient sex (β = 0.13, p = 0.009) on ISI. PHQ-9 (β = 0.32, p < 0.001) and STAI (β = -0.09, p = 0.071) had a direct influence on ISI scores. In our second path analysis, Q1-immune item mediated the effect of FoP (β = 0.19, p < 0.001) on ISI, and Q2-recurrence item mediated the effect of FoP (β = 0.23, p < 0.001) and patient sex (β = 0.09, p = 0.019) on ISI. Conclusions Our path analysis model indicated that C-DBS mediates the effect of FoP and patient sex on ISI. Our second path analysis results suggested that there could be an internal process of Q1 and Q2 item. Efforts to reduce dysfunctional beliefs should be considered as well as management of fear of progression for better sleep of cancer patients.