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Electroacupuncture on PC6 Prevents Opioid-Induced Nausea and Vomiting after Laparoscopic Surgery

Chinese Journal of Integrative Medicine 2013年第4期19卷 277-281页

作者： Siwoo Lee Myeong Soo Lee Deok hwa choi Su Kyung Lee Korea Institute of Oriental Medicine University of Science and Technology DaejeonSouth Korea Department of Anesthesiology Wonkwang University School of MedicineIksanSouth Korea Department of Oriental Rehabilitation Medicine Wonkwang University School of Oriental MedicineIksanSouth Korea

Objective： To investigate the treatment time dependence of electroacupuncture （EA） on Neiguan （PC6） for preventing postoperative nausea and vomiting （PONV）. Methods： One hundred and seventy-eight patients, who had received intravenous patient-controlled analgesia （PCA） with Fentanyl, were assigned randomly to three groups using random numbers： a pre-operative EA group （PrEA）, a post-operative EA group （PoEA）, and a non-acupuncture control group （NC）. An anesthetist evaluated the incidence and severity of nausea and vomiting for 48 h after surgery blindly. The main outcomes were severity and freguency of PONV, which were measured with a self-reported questionnaire and a confirmation from the anesthetist. The data were analyzed with ANOVA and Z-test. Results： The incidence of nausea and vomiting was significantly lower in the PrEA group than the NC group during 48 h after surgery （P〈0.01, P〈0.05）. The incidence of vomiting was also significantly lower in the PrEA group than the PoEA group （P〈0.05）. The PoEA subjects evidenced no significant differences compared with the NC subjects in terms of the incidence of nausea and vomiting （P〈0.05）. The severity of nausea was significantly lower in the PrEA group than in the NC and PoEA groups （P〈0.05）. Conclusions： EA on PC6 is effective in the prevention of PONV, and pre-operative acupuncture is more effective than post-operative acupuncture.

关键词： electroacupuncture Neiguan (PC6) postoperative nausea and vomiting

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Clinicopathologic factors influencing the accuracy of EUS for superficial esophageal carcinoma

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World Journal of Gastroenterology 2014年第20期20卷 6322-6328页

作者： Jung Im Jung Gwang Ha kim Hoseok I Do Youn Park Tae Kyun kim Young hwa Cho Yong Wan Sung Mun ki choi Bong Eun Lee Geun Am Song Department of Internal Medicine Pusan National University School of Medicine and Biomedical Research Institute Pusan National University Hospital Busan 602-739 South Korea Department of Chest Surgery Pusan National University School of Medicine Busan 602-739 South Korea Department of Pathology Pusan National University School of Medicine Busan 602-739 South Korea

AIM: To identify clinicopathologic factors influencing the accuracy of a high-frequency catheter probe endoscopic ultrasonography (EUS) for superficial esophageal carcinomas (SECs).

关键词： Esophageal cancer Endoscopic ultrasonography Accuracy

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Differential transcriptional regulation of the NANOG gene in chicken primordial germ cells and embryonic stem cells

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Journal of Animal Science and Biotechnology 2021年第3期12卷 877-890页

作者： Hee Jung choi So Dam Jin Deivendran Rengaraj Jin hwa kim Bertrand Pain Jae Yong Han Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences Seoul National UniversitySeoul 08826South Korea Univ Lyon UniversitéLyon 1INSERMINRAEStem Cell and Brain Research InstituteU1208USC136169500 BronFrance Institute for Biomedical Sciences Shinshu UniversityMinamiminowaNagano 399-4598Japan

Background:NANOG is a core transcription factor(TF)in embryonic stem cells(ESCs)and primordial germ cells(PGCs).Regulation of the NANOG gene by TFs,epigenetic factors,and autoregulatory factors is well characterized in ESCs,and transcriptional regulation of NANOG is well established in these *** NANOG plays a key role in germ cells,the molecular mechanism underlying its transcriptional regulation in PGCs has not been ***,we investigated the mechanism that regulates transcription of the chicken NANOG(cNANOG)gene in PGCs and ***:We first identified the transcription start site of cNANOG by 5′-rapid amplification of cDNA ends PCR ***,we measured the promoter activity of various 5′flanking regions of cNANOG in chicken PGCs and ESCs using the luciferase reporter *** expression required transcriptional regulatory elements,which were positively regulated by POU5F3(OCT4)and SOX2 and negatively regulated by TP53 in *** proximal region of the cNANOG promoter contains a positive transcriptional regulatory element(CCAAT/enhancer-binding protein(CEBP)-binding site)in ***,small interfering RNA-mediated knockdown demonstrated that POU5F3,SOX2,and CEBP played a role in cell type-specific transcription of ***:We show for the first time that different trans-regulatory elements control transcription of cNANOG in a cell type-specific *** finding might help to elucidate the mechanism that regulates cNANOG expression in PGCs and ESCs.

关键词： Chicken Embryonic stem cells NANOG gene Primordial germ cells Regulatory elements

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Design of 32 kbit one-time programmable memory for microcontroller units

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Journal of Central South University 2012年第12期19卷 3475-3483页

作者： JEON hwang-gon choi In-hwa HA Pan-bong kiM Young-hee Department of Electronic Engineering Changwon National University9 Sarim-DongChangwon 641-773Korea

A 32 kbit OTP(one-time programmable)memory for MCUs(micro-controller units)used in remote controllers was *** OTP memory is used for program and data *** is required to apply 5.5V to BL(bit-line)and 11V to WL(word-line)for a OTP cell of 0.35μm ETOX(EEPROM tunnel oxide)type by *** use 5V transistors on column data paths to reduce the area of column data paths since they require small *** addition,we secure device reliability by using HV(high-voltage)transistors in the WL ***,we change from a static logic to a dynamic logic used for the WL driver in the core ***,we optimize the WD(write data)switch ***,we can implement them with a small-area *** addition,we implement the address predecoder with a small-area logic *** area of the designed 32 kbit OTP with 5V and HV devices is 674.725μm×258.75μm(=0.1745mm2)and is 56.3% smaller than that using 3.3V devices.

关键词： one-time programmable memory micro controller unit EEPROM tunnel oxide small-area

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SnO2@Co3O4 hollow nano-spheres for a Li-ion battery anode with extraordinary performance

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Nano Research 2014年第8期7卷 1128-1136页

作者： Won-Sik kim Yoon hwa Hong-Chan kim Jong-Hyun choi Hun-Joon Sohn Seong-Hyeon Hong Department of Materials Science and Engineering and Research Institute of Advanced Materials Seoul National University Seoul151-744 Republic of Korea

SnO2@Co3O4 hollow nano-spheres have been prepared using the template-based sol-gel coating technique and their electrochemical performance as an anode for lithium-ion battery （LIB） was investigated. The size of synthesized hollow spheres was about 50 nm with the shell thickness of 7-8 nm. The fabricated SnO2@Co3O4 hollow nano-sphere electrode exhibited an extraordinary reversible capacity （962 mAh-g-1 after 100 cycles at 100 mA-g-1）, good cyclability, and high rate capability, which was attributed to the Co-enhanced reversibility of the Li20 reduction reaction during cycling.

关键词： hollow sphere lithium-ion battery anode SnO2 Co3O4

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Subacute electroacupuncture at Baihui (GV 20) and Dazhui (GV 14) promotes post-stroke functional recovery via neurogenesis and astrogliosis in a photothrombotic stroke mouse model

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Journal of Traditional Chinese Medicine 2019年第6期39卷 833-841页

作者： Young-Wook Park Gi Yoon Heo Min Jae kim Seo-Yeon Lee Byung Tae choi hwa Kyoung Shin Division of Meridian and Structural Medicine School of Korean MedicinePusan National UniversityYangsanGyeongnam 50612Republic of Korea Department of Korean Medical Science School of Korean MedicinePusan National UniversityYangsanGyeongnam 50612Republic of Korea Graduate Training Program of Korean Medicine for Healthy-Aging Pusan National UniversityYangsanGyeongnam 50612Republic of Korea Korean Medical Science Research Center for Healthy-Aging Pusan National UniversityYangsanGyeongnam 50612Republic of Korea

OBJECTIVE:To investigate the optimal timing and underlying mechanism of electroacupuncture(EA)at Baihui(GV 20)and Dazhui(GV 14)for improved long-term functional recovery after focal cerebral ischemia in a photothrombotic stroke mouse ***:Totally 50 adult male C57 BL/6 J mice were assigned into 5 groups:(a)the control group,sham-operated mice(n=10);(b)the vehicle group,focal cerebral ischemia induction without EA(n=10);(c)the acute EA group,mice received EA immediately post-ischemia,followed by once-daily treatments for 7 consecutive days(n=10);(d)the subacute EA group,mice received EA 4 days post-ischemia,followed by once-daily treatments for 7 consecutive days(n=10);(e)the delayed EA *** stimulation(2 Hz,2 V for 20 min)was applied to acupuncture points(acupoints),Baihui(GV 20)and Dazhui(GV 14),once a day for 7 consecutive days beginning immediately(acute treatment),4 d(subacute treatment)and 10 d(delayed treatment)after focal cerebral ischemia in C57 BL/6 J *** assessments were conducted 21 and 28 d post-ischemia and histopathological analyses were performed 28 days ***:The subacute EA treatment at Baihui(GV20)and Dazhui(GV 14)significantly improved functional recovery compared to the vehicle group 28 d after ischemic brain injury,although brain atrophy was not *** number of Neu N+and Neu N+/Brd U+cells as well as GFAP intensity in the ipsilateral cortex were significantly increased in the subacute group compared to the vehicle group 28 d *** concluded that EA stimulation 4 d post-ischemia(subacute treatment)enhanced neurogenesis and astrogliosis,likely contributing to long-term functional recovery following focal cerebral ***:Our findings suggest that the timing of the EA therapy at Baihui(GV 20)and Dazhui(GV 14)determines the therapeutic effects in mice with focal cerebral ischemia induced by photothrombotic occlusion.

关键词： Electroacupuncture Stroke Astrocytes Neurogenesis Post-stroke remodeling

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Effects of oxygen concentration and flow rate on cognitive ability and physiological responses in the elderly

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Neural Regeneration Research 2013年第3期8卷 264-269页

作者： Hyun-Jun kim Hyun-Kyung Park Dae-Woon Lim Mi-Hyun choi Hyun-Joo kim In-hwa Lee Hyung-Sik kim Jin-Seung choi Gye-Rae Tack Soon-Cheol Chung Department of Obstetrics & Gynecology Konkuk University Department of Laboratory Medicine Seoul Clinical Laboratories Department of Information & Communication Engineering Dongguk University Department of Biomedical Engineering Research Institute of Biomedical EngineeringCollege of Biomedical & Health ScienceKonkuk University

The supply of highly concentrated oxygen positively affects cognitive processing in normal young adults. However, there have been few reports on changes in cognitive ability in elderly subjects following highly concentrated oxygen administration. This study investigated changes in cognitive ability, blood oxygen saturation （%）, and heart rate （beats/min） in normal elderly subjects at three different levels of oxygen [21% （1 L/min）, 93% （1 L/min）, and 93% （5 L/min）] administered during a 1-back task. Eight elderly male （75.3 ＋ 4.3 years old） and 10 female （71.1 ＋ 3.9 years old） subjects, who were normal in cognitive ability as shown by a score of more than 24 points in the Mini-Mental State Examination-Korea, participated in the experiment. The experiment consisted of an adaptation phase after the start of oxygen administration （3 minutes）, a control phase to obtain stable baseline measurements of heart rate and blood oxygen saturation before the task （2 minutes） and a task phase during which the 1-back task was performed （2 minutes）. Three levels of oxygen were administered throughout the three phases （7 minutes）. Blood oxygen saturation and heart rate were measured during each phase. Our results show that blood oxygen saturation increased, heart rate decreased, and response time in the 1-back task decreased as the concentration and amount of administered oxygen increased. This shows that administration of sufficient oxygen for optimal cognitive functioning increases blood oxygen saturation and decreases heart rate.

关键词： neural regeneration clinical practice highly concentrated oxygen cognitive task 1-back task cognitive ability blood oxygen saturation heart rate physiological responses elderly grant-supported paper neuroregeneration

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Low skeletal muscle mass is associated with non-alcoholic fatty liver disease in Korean adults： the Fifth Korea National Health and Nutrition Examination Survey

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Hepatobiliary & Pancreatic Diseases International 2016年第1期15卷 39-47页

作者： hee yeon kim chang wook kim chung-hwa park jong young choi kyungdo han anwar t merchant yong-moon park division of hepatology department of internal medicinecollege of medicinethe catholic university of korea222Banpo-daeroSeocho-guSeou1 06591Republic of Korea department of biostatistics college of medicinethe catholic university of korea222Banpo-daeroSeocho-guSeou1 06591Republic of Korea department of epidemiology and biostatistics arnold school of public healthuniversity of south carolinaColumbiaSC 29208USA epidemiology branch national institute of environmental health sciencesnational institutes of healthdepartment of health and human servicesResearch Triangle ParkNC 27709USA

BACKGROUND： Sarcopenia and non-alcoholic fatty liver dis- ease （NAFLD） share similar pathophysiological mechanisms, and the relationship between sarcopenia and NAFLD has been recently investigated. The study investigated whether low skel- etal muscle mass is differentially associated with NAFLD by gender in Korean adults. METHODS： We conducted a cross-sectional analysis of the data from the Fifth Korea National Health and Nutrition Examination Survey. The skeletal muscle index （SMI） was obtained by the appendicular skeletal muscle mass divided by the weight. NAFLD was defined as a fatty liver index （FLI）〉60 in the absence of other chronic liver disease. RESULTS： Among the included subjects, 18.3% （SE： 1.4%） in men and 7.0% （SE： 0.7%） in women were classified as having FLI-defined NAFLD. Most of the risk factors for FLI-defined NAFLD showed a significant negative correlation with the SMI in both genders. Multiple logistic regression analysis showed that low SMI was associated with FLI-defined NAFLD, inde- pendent of other metabolic and lifestyle parameters in both genders [males： odds ratio （OR）=1.35; 95% confidence inter- val （CI）： 1.17-1.54; females： OR=1.36; 95% CI： 1.18-1.55]. The magnitude of the association between FLI-defined NAFLD and low SMI was higher in middle aged to elderly males （OR-1.50; 95% CI： 1.22-1.84） than in males less than 45 years of age （OR=1.25; 95% CI： 1.02-1.52） and in premenopausal females （OR=l.50; 95% CI： 1.12-2.03） than in postmenopausal females （OR-1.36; 95% CI： 1.20-1.54）.CONCLUSIONS： Low SMI is associated with the risk of FLI- defined NAFLD independent of other well-known metabolic risk factors in both genders. This association may differ ac- cording to age group or menopausal status. Further studies are warranted to confirm this relationship.

关键词： Korea National Health and Nutrition Examination Survey non-alcoholic fatty liver disease sarcopenia skeletal muscle

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A novel chitosan nanocapsule for enhanced skin penetration of cyclosporin A and effective hair growth in vivo

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Nano Research 2019年第12期12卷 3024-3030页

作者： Jin Sil Lee Youngmin hwang Hyeryeon Oh Sunghyun kim Jin-hwa kim Jeung-Hoon Lee Yong Chui Shin Giyoong Tae Won II choi Center for Convergence Bioceramic Materials Convergence R&D DivisionKorea Institute of Ceramic Engineering and Technology202Osongsaengmyeong l-rof Osong-eupHeungdeok-guCheongjuChungbuk 28160Republic of Korea School of Materials Science and Engineering Gwangju Institute of Science and Technology123 Cheomdan-gwagiroBuk-guGwangju 61005Republic of Korea SkiNMED Co. Ltd.Daejeon 34028Republic of Korea Amicogen Inc.64 Dongburo 1259JinsungJinju 52621Republic of Korea

Hair loss due to medical conditions,such as alopecia,male pattern baldness,and cancer chemotherapy treatment,has been a comm onproblem for many in *** n A(CsA),a fungal metabolite,has been reported to be a hair growth modulatory agent and is apotential drug for hair ***,the effect of topical application of CsA is limited by its poor water *** deliverysystems developed to enhance its solubility still showed poor skin *** overcome these limitations,in this study,we have developed a novel chitosan nanocapsule platform using Pluro nic F127 and chitosan without any chemical crosslinking or complicated preparati on steps for the enhanced water solubility and high tran sdermal penetration of *** chitosan nanocapsules(ChiNCs)optimized in terms of structural stability by using chitosan with various molecular weights ranging from 3 to 100 kDa enhanced the skin permeation of CsA through humancadaver skin in *** administration of the CsA loaded ChiNCs in creased the hair follicles by c.a.7 times higher than that of thecontrol group,and effectively induced hair growth in C57BL/6 mice in *** results suggest that ChiNCs could be used as a platform foreffective transdermal delivery of various hydrophobic drugs.

关键词： chitosan nanocapsule cyclosporin A transdermal delivery hair growth

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Antimicrobial activity and synergism of Sami-Hyanglyun-hwan with ciprofloxacin against methicillin-resistant Staphylococcus aureus

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Asian Pacific Journal of Tropical Medicine 2015年第7期8卷 536-540页

作者： Jang-Gi choi Ji-Young choi Su-Hyun Mun Ok-hwa Kang Preeti Bharaj Dong-Won Shin Myong-Soo Chong Dong-Yeul Kwon Department of Oriental Pharmacy College of Pharmacy Wonkwang University Wonkwang Oriental Medicines Research Institute Center of Excellence in Infectious Disease Research Department of Biomedical Sciences Paul L. Foster School of Medicine Texas Tech University Health Sciences Center Department of Third Medicine Professional Graduate School of Oriental Medicine Wonkwang University BK21 Plus Team Professional Graduate School of Oriental Medicine Wonkwang University Department of Oriental Medicine Resources Sunchon National University

Objective: To investigate the antibacterial activity of SHHextracted with either water or ethanol against methicillin-resistant Staphylococcus aureus(MRSA) and combinatory antimicrobial effect with ciprofloxacin(CIP) by time kill assay and checkerboard dilution test. Methods: The antibacterial activity determined by broth dilution method indicated that the antibacterial activity of Sami-Hyanglyun-hwan(SHH) water extract(SHHW) and SHH ethanol extract(SHHE) ranged from 250 to 2000 μg/m L and 125 to 1000 μg/m L against MRSA, respectively. Results: In the checkerboard method, the combinations of SHHE with CIP had a partial synergistic or synergistic effect against MRSA. The time-kill curves showed that a combined SHHE and CIP treatment reduced the bacterial counts dramatically after 24 h. Conclusions: The present study demonstrates the therapeutic ability of SHHE against MRSA infections.

关键词： Sami-Hyanglyun-hwan Methicillin-resistant Staphylococcus aureus Ciprofloxacin Synergy

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