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Mitochondria-mediated defense mechanisms against pathogens in Caenorhabditis elegans
( Sujeong Kwon ),( Eun Ji E. Kim ),( Seung-jae V. Lee ) 생화학분자생물학회 2018 BMB Reports Vol.51 No.6
Mitochondria are crucial organelles that generate cellular energy and metabolites. Recent studies indicate that mitochondria also regulate immunity. In this review, we discuss key roles of mitochondria in immunity against pathogen infection and underlying mechanisms, focusing on discoveries using Caenorhabditis elegans. Various mitochondrial processes, including mitochondrial surveillance mechanisms, mitochondrial unfolded protein response (UPR<sup>mt</sup>), mitophagy, and reactive oxygen species (ROS) production, contribute to immune responses and resistance of C. elegans against pathogens. Biological processes of C. elegans are usually conserved across phyla. Thus, understanding the mechanisms of mitochondria-mediated defense responses in C. elegans may provide insights into similar mechanisms in complex organisms, including mammals. [BMB Reports 2018; 51(6): 274-279]
문수정(Sujeong Moon),공재철(Jaecheol Kong),권영달(Youngdal Kwon),송용선(Yongsun Song),한아름(A-Lum Han),권영미(Youngmi Kwon),이수경(Sukyung Lee) 한국한의학연구원 2010 한국한의학연구원논문집 Vol.16 No.3
The aim of this review is to investigate clinical studies on oriental medicine treatment for obesity in Korean literature and to propose for the better method of clinical studies in order to seek more effective treatment. Electric searches were performed with NDSL, National assembly library, RISS4U, DBPIA, KISS, KMBASE, KoreaMed, Korean traditional knowledge portal and Oasis. Also, 21 major journals associated with oriental medicine in Korea were searched manually. Eighty three studies were included and analyzed in terms of study design, subjects, interventions, results and evaluation of safety. The numbers of controlled, non-controlled and case studies are respectively 26(31%), 43(52%) and 14(17%). Studies using sample size less than 30 accounts for 49% and studies using subjects diagnosed as obese or overweight by specific criteria were 35(42%). Studies which used more than 2 interventions or co-interventions were 76%. Clinical studies which used single herbal medicine were few and clinically studied single herbal medicine were limited to ephedra. More than half of 83 studies were studied for 8 weeks and less. 12% of 69 studies(except case studies) were not statistically analyzed and studies which evaluated safety of intervention were 22(27%) and reported adverse events were 9(11%). To improve the quality of clinical studies on oriental medicine treatment for obesity, studies need to use restricted number of interventions and subjects need to specifically diagnosed as overweight or obese. In addition, various kinds of single herbs need to be clinically studied based on experimental studies and herbalogy.
Sujeong Min,Si Woo Lee,Byeong-Ryeol Choi,Chang Gyu Park,Si Hyeock Lee,Deok Ho Kwon 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.10
Nilaparvata lugens Stål is one of the important migratory pests of rice paddy fields in Korea. Resistance levels to nine insecticides were monitored in 12 local strains and correlation analysis was conducted to determine cross-resistance relationships among the tested insecticides. The local strains revealed 1.3- to 28.0-, 1.6- to 6.0-, 2.8- to 237.0-, 0.6- to 0.9-, and 0.7- to 1.3-fold resistance to carbamates, organophosphates, neonicotinoids, fipronil and etofenprox, respectively. Organophosphates revealed moderate correlations with benzofuranyl methylcarbamate (r = 0.566 - 0.614, p > 0.01). Three neonicotinoids were not correlated each other, but imidacloprid and clothianidin were moderately correlated with several benzofuranyl methylcarbamate and organophosphate insecticides (r = 0.590 - 0.705, p > 0.05), indicating that unknown common factors (such as detoxification enzymes) might contribute to resistance to both insecticides. Fipronil and etofenprox exhibited low levels of resistance and cross-resistance with other insecticides, suggesting their potential as an effective insecticide for field application. Resistance level monitoring and correlation analysis would be valuable for the selection of appropriate insecticides to control insecticide-resistant N. lugenes, a typical migratory pest in Korea.