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Hyunah Kim,Hyun Kyung Kim,Hyun-Na Koo,Gil-Hah Kim 한국응용곤충학회 2014 한국응용곤충학회 학술대회논문집 Vol.2014 No.10
The two spotted mite, Tetranychus urticae Koch, is a global pest, and has developed severe resistance to several types of acaricides. Acequinocyl-resistant strain and bifenazate-resistant strain of T. urticae showed higher relative activity level of glutathion-S-transferases (GSTs) than susceptible strain. Studies of resistance in T. urticae have focused on classical detoxifying enzyme system, such as GSTs. We examined the expression of six GSTs genes in T. urticae belong to five different cytosolic classes, including two in delta, one in omega, one in mu, one in zeta, and one mitochondrial GSTs class, kappa. RT-qPCR results showed that, among these six GSTs genes, the relative expression level of delta 1 was significantly higher in bifenazate-resistant strain than in other strains (susceptible, abamectin, acequinocyl, etoxazole and pyridaben strain). Expression level of the delta 2 was also higher in acequinocyl-resistant strain than in other strains. The elevated GSTs gene transcripts following exposure to acequinocyl, bifenazate might be one of the mechanisms involved in detoxification of these acaricide. These results may be caused by different mechanisms in the resistance development of T. urticae to these two different types of acaricides.
Future Prospects of Health Management Systems Using Cellular Phones
Kim, Hun-Sung,Hwang, Yunji,Lee, Jae-Ho,Oh, Hye Young,Kim, Yi-Jun,Kwon, Hyeon Yoon,Kang, Hyoseung,Kim, Hyunah,Park, Rae Woong,Kim, Ju Han Mary Ann Liebert 2014 TELEMEDICINE JOURNAL AND E HEALTH Vol.20 No.6
<P>Cellular phones enable communication between healthcare providers and patients for prevention, diagnosis, and treatment of diseases. However, few studies have examined the user-friendliness or effectiveness of cellular phone-based medical informatics (CPBMI) for healthcare.</P>
Sung Il Kim,Won Jin Kang,Yeseul Choi,Hyunah Kim,Bueyong Park,Hyun Kyung Kim,Hyun-Ha Koo,Gil-Hah Kim 한국응용곤충학회 2018 한국응용곤충학회 학술대회논문집 Vol.2018 No.04
The two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae), is one of the most important pest species devastating many horticultural and ornamental crops and fruit trees. In the present study, a field strain was collected in January 2001 and has been selected for sixteen years with acequinocyl. The resistance ratio calculated from the LC50 of eggs and adults was 191- and 4,237-fold, respectively. The laboratory-selected acequinocyl resistance (LSAR16) strain was screened with 11 acaricides for cross-resistance. The detoxifying enzyme activities and quantitative real-time PCR analysis were performed in the LSAR16 strain. Crossing experiments revealed that LSAR16 strain was inherited maternally, incompletely dominant and monogenic. Most importantly, we identified two new point-mutations at mitochondrial cytb from acequinocyl resistant T. urticae.
Sung-chan Yang,Byung-Eon Noh,Eun Jung Lee,Bong Gu song,Hyunwoo Kim,Tea-Kyu Kim,Seong Yoon Kim,Won Il Park,Hyung-Woo Lim,Hak Seon Lee,Gi-Hun Kim,Chang won Jang,Jin Hwan Jeon,Se Jin Jeong,Hyunah Kim,Kyu 한국응용곤충학회 2017 한국응용곤충학회 학술대회논문집 Vol.2017 No.04
We performed a survey for flavivirus infection and distribution of Aedes albopictus that known as Zika and Dengue virus vector using black–light trap and BG-sentinel trap around urban area in Korea. Mosquitoes were collected in 27 cities during March to November (twice a month) year 2016. Total numbers of mosquitoes collected 102,102 including 19 species 8 genera during collecting period. Total 21,467 Ae. albopictus was collected that 20,961(24.3%) by BG-sentinel trap and 506 (3.2%) by Black-light trap in urban area. Trap index(trap/night) of Ae. albopictus was showed highest in Hamyang (TI:992.3) and lowest in Taebaek (TI:0.3) there was only collected by Black-light trap. A total of 894 pools from all collecting Ae. albopictus were performed a Flavivirus detection. Flavivirus was not detected during study period. This study may provide basic information for surveillance of imported diseases (include Zika virus) and vectors in Korea.
Current Clinical Status of Telehealth in Korea: Categories, Scientific Basis, and Obstacles
Kim, Hun-Sung,Kim, Hyunah,Lee, Suehyun,Lee, Kye Hwa,Kim, Ju Han Korean Society of Medical Informatics 2015 Healthcare Informatics Research Vol.21 No.4
<P><B>Objectives</B></P><P>Through telehealth, medical services have expanded beyond spatial boundaries and are now available in living spaces outside of hospitals. It can also contribute to patient medical knowledge improvement because patients can access their hospital records and data from home. However, concepts of telehealth are rather vague in Korea.</P><P><B>Methods</B></P><P>We refer to several clinical reports to determine the current clinical status of and obstacles to telehealth in Korea.</P><P><B>Results</B></P><P>Patients' health conditions are now reported regularly to doctors remotely, and patients can receive varied assistance. Self-improvement based on minute details that are beyond medical staff's reach is another possible benefit that may be realized with the help of a variety of medical equipment (sensors). The feasibility, clinical effect, and cost-benefit of telehealth have been verified by scientific evidence.</P><P><B>Conclusions</B></P><P>Patients will be able to improve their treatment adherence by receiving help from various professionals, such as doctors, nurses, nutritionists, and sports therapists. This means that the actual treatment time per patient will increase as well. Ultimately, this will increase the quality of patients' self-administration of care to impede disease progression and prevent complications.</P>
N ‐(Biphenyl‐3‐ylmethyl)ethanamines as G protein‐biased agonists of 5‐HT 7 R
Kim Doyoung,Lee Jieon,Kwag Rina,Kim Hyunbin,Oh Hyunji,문봉진,Kim Hak Joong,Seong Jihye,Jeon Byungsun,Kang Taek,Choo Hyunah 대한화학회 2022 Bulletin of the Korean Chemical Society Vol.43 No.1
There has been much attention to biased ligands of G protein-coupled receptors (GPCRs) for potential pharmacological benefits. Recently, we reported N- ((6-chloro-2’-methoxy-[1,1’-biphenyl]-3-yl)methyl)ethanamine 1 as G proteinbiased agonist of 5-HT7R, which could be used as a chemical probe for the study on treatment discovery of autism spectrum disorder. Herein, we describe the synthesis of derivatives of the compound 1 and their biological evaluations in both G protein and β-arrestin signaling pathway. Total 16 compounds were synthesized and evaluated, and the compounds 3c, 3f, 3i, and 3p could be called as G protein-biased agonists like the compound 1. Among the four compounds, the compound 3c was the best in efficacy with an Emax value of 73% and the compound 3f was the most potent agonist with an EC50 value of 0.094 μM.