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Yoon‑Jin Lee,Kwan‑Sik Park,Byoung Joon Baek,Kyong‑Ae Lee,Sang‑Han Lee 대한독성 유전단백체 학회 2020 Molecular & cellular toxicology Vol.16 No.1
Backgrounds Arctigenin derived from the seeds of Arctium lappa Linnaeus is known as an anticancer drug candidate by targeting various pathways involved in anticancer therapy. Methods Using 2D monolayer and 3D spheroid culture systems in nasal septum carcinoma RPMI-2650 cells, the effects of arctigenin and dexamethasone on cell viability, ROS levels, ATP level, mitochondrial function, apoptosis and necroptosis were examined. Results The combination treatment of both compounds induced strong cytotoxicity, accompanied by increases of sub-G0/ G1 peak, annexin V-PE-positive cells, and ROS levels, loss of mitochondrial membrane potential, and decrease of cellular ATP content. These changes were observed as simultaneous induction of DNA damage, apoptosis, and necroptosis. A series of changes by arctigenin and dexamethasone were efficiently restored by decreasing ROS levels or supplementing ATP. Treatment of 3D spheroids with arctigenin and dexamethasone decreased cell viability in the spheroids, but it was slightly resistant than cells under 2D conditions. In addition, this phenomenon was accompanied by an increase in mediators for both apoptosis and necroptosis. Conclusion Results of this study suggest that the apoptosis and necroptosis-inducing effects of arctigenin are associated with ATP depletion due to oxidative mitochondrial dysfunction.
Chung, Sung Yun,Kim, Sunyoung,Lee, Ju‐,Hyuck,Kim, Kyongjun,Kim, Sang‐,Woo,Kang, Chong‐,Yun,Yoon, Seok‐,Jin,Kim, Youn Sang WILEY‐VCH Verlag 2012 ADVANCED MATERIALS Vol.24 No.45
<P>An all‐solution‐processed flexible piezoelectric nanogenerator, composed of polycrystalline ZnO thin film and functional polymer layers such as P3HT/PCBM and PEDOT:PSS, generates energy through a mechanical rolling and muscle stretching system. On page 6022, Youn Sang Kim, Sang‐Woo Kim, and co‐workers show that this all‐solution‐processed nanogenerator is feasible as a piezoelectric patchable device and is promising for use in future energy harvesters such as wearable human patches and mobile electronics. </P>
Choi, Dukhyun,Choi, Min-Yeol,Choi, Won Mook,Shin, Hyeon-Jin,Park, Hyun-Kyu,Seo, Ju-Seok,Park, Jongbong,Yoon, Seon-Mi,Chae, Seung Jin,Lee, Young Hee,Kim, Sang-Woo,Choi, Jae-Young,Lee, Sang Yoon,Kim, Jo WILEY-VCH Verlag 2010 ADVANCED MATERIALS Vol.22 No.19
<B>Graphic Abstract</B> <P>The cover shows an image of fully rollable transparent nanogenerators synthesized using chemical vapor deposition grown large-scale graphene sheets as transparent electrodes and piezoelectric ZnO nanorod arrays. Sang-Woo Kim, Jae-Young Choi, and co-workers report on p. 2187 the electrical and structural stability of the nanogenerators, with excellent charge scavenging performance under external mechanical loads such as bending and rolling. This study shows that graphene-based nanogenerators are very promising for self-powered rollable transparent device applications. <img src='wiley_img_2010/09359648-2010-22-19-ADMA201090066-content.gif' alt='wiley_img_2010/09359648-2010-22-19-ADMA201090066-content'> </P>
( Sang Hee Park ),( Soo Hyun Cho ),( Hae Jin Yoon ) 대한가정학회 2012 International Journal of Human Ecology Vol.13 No.1
The effect of nutritional information on healthier menu choices have been reflected in previous research and nutrition policy efforts. This study further examines the relationship between healthy menu choices and three consumer characteristics - Future Orientation, Regulatory Focus, and Need for Cognition. A 3 x 3 experimental design was used with varying food types (burger sandwiches, sub sandwiches, and salad dressing) and the degree of nutritional information (no information, total calories only, and full nutrition information). It was found that having more nutritional information, and individuals with Future Orientation and Promotion Focus were associated with the choice of healthier menus. More specifically, those with high Consideration of Future Consequences and with Promotion Orientation switched their choices to the healthier ones with the provision of nutritional information.