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75篇 您的检索式:作者名="Hwi"
    题名 作者 年代 出处 被引量
1Pretreated Glehnia littoralis Extract Prevents Neuronal Death Following Transient Global Cerebral Ischemia through Increases of Superoxide Dismutase 1 and Brain-derived Neurotrophic Factor Expressions in the Gerbil Hippocampal Cornu Ammonis 1 Area显示文摘Joon Ha Park Tae-Kveono Lee Bing-Chun Yan Bich-Na Shin Ji Hyeon Ahn In Hye Kim Jeong Hwi Cho Jae-Chul Lee In Koo Hwang Jong Dai Kim Seongkweon Hong Young Joo Lee Moo-Ho Woll Il Jun Kang 2017Chinese Medical Journal2017,,15:10
2Pretreated quercetin protects gerbil hippocampal CA1 pyramidal neurons from transient cerebral ischemic injury by increasing the expression of antioxidant enzymes显示文摘Quercetin(QE; 3,5,7,3′,4′-pentahydroxyflavone), a well-known flavonoid, has been shown to prevent against neurodegenerative disorders and ischemic insults. However, few studies are reported regarding the neuroprotective mechanisms of QE after ischemic insults. Therefore, in this study, we investigated the effects of QE on ischemic injury and the expression of antioxidant enzymes in the hippocampal CA1 region of gerbils subjected to 5 minutes of transient cerebral ischemia. QE was pre-treated once daily for 15 days before ischemia. Pretreatment with QE protected hippocampal CA1 pyramidal neurons from ischemic injury, which was confirmed by neuronal nuclear antigen immunohistochemistry and Fluoro-Jade B histofluorescence staining. In addition, pretreatment with QE significantly increased the expression levels of endogenous antioxidant enzymes Cu/Zn superoxide dismutase, Mn superoxide dismutase, catalase and glutathione peroxidase in the hippocampal CA1 pyramidal neurons of animals with ischemic injury. These findings demonstrate that pretreated QE displayed strong neuroprotective effects against transient cerebral ischemia by increasing the expression of antioxidant enzymes.Bai Hui Chen Joon Ha Park Ji Hyeon Ahn Jeong Hwi Cho In Hye Kim Jae Chul Lee Moo-Ho Won Choong-Hyun Lee In Koo Hwang Jong-Dai Kim Il Jun Kang Jun Hwi Cho Bich Na Shin Yang Hee Kim Yun Lyul Lee Seung Min Park 2017Neural Regeneration Research2017,12,2:9
3Glehnia fittoralis Extract Promotes Neurogenesis in the Hippocampal Dentate Gyrus of the Adult Mouse through Increasing Expressions of Brain-Derived Neurotrophic Factor and Tropomyosin-Related Kinase B显示文摘Joon Ha Park Bich Na Shin Ji Hyeon Ahn Jeong Hwi Cho Tae-Kyeong Lee Jae-Chul Lee Yong Hwan Jeon II Jun Kang Ki-Yeon Yoo In Koo Hwang Choong Hyun Lee Yoo Hun Noh Sung-Su Kim Moo-Ho Won Jong Dai Kim 2018Chinese Medical Journal2018,,6:6
4Pretreated Oenan the Javanica extract increases anti-inflammatory cytokines, attenuates gliosis, and protects hippocampal neurons following transient global cerebral ischemia in gerbils显示文摘Recently,we have reported that Oenanthe javanica extract(OJE)displays strong neuroprotective effect against ischemic damage after transient global cerebral ischemia.However,neuroprotective mechanisms of OJE have not been fully identified.Thus,this study investigated the neuroprotection of OJE in the hippocampal CA1 area and its anti-inflammatory activity in gerbils subjected to 5 minutes of transient global cerebral ischemia.We treated the animals by intragastrical injection of OJE(100 and 200 mg/kg)once daily for 1 week prior to transient global cerebral ischemia.Neuroprotection of OJE was observed by immunohistochemistry for neuronal nuclear antigen and histofluorescence staining for Fluoro-Jade B.Immunohistochemistry of glial fibrillary acidic protein and ionized calcium-binding adapter molecule 1 was done for astrocytosis and microgliosis,respectively.To investigate the neuroprotective mechanisms of OJE,we performed immunohistochemistry of tumor necrosis factor-alpha and interleukin-2 for pro-inflammatory function and interleukin-4 and interleukin-13 for anti-inflammatory function.When we treated the animals by intragastrical administration of 200 mg/kg of OJE,hippocampal CA1 pyramidal neurons were protected from transient global cerebral ischemia and cerebral ischemia-induced gliosis was inhibited in the ischemic hippocampal CA1 area.We also found that interleukin-4 and-13 immunoreactivities were significantly increased in pyramidal neurons of the ischemic CA1 area after OJE pretreatment,and the increased immunoreactivities were sustained in the CA1 pyramidal neurons after transient global cerebral ischemia.However,OJE pretreatment did not increase interleukin-2 and tumor necrosis factor-alpha immunoreactivities in the CA1 pyramidal neurons.Our findings suggest that pretreatment with OJE can protect neurons and attenuate gliosis from transient global cerebral ischemia via increasing expressions of interleukin-4 and-13.The experimental plan of this study was reviewed and approved by the Institutional Animal Care and Use Committee(IACUC)in Kangwon National University(approval No.KW-160802-1)on August 10,2016.Joon Ha Park In Hye Kim Ji Hyeon Ahn YooHun Noh Sung-Su Kim Tae-Kyeong Lee Jae-Chul Lee Bich-Na Shin Tae Heung Sim Hyun Sam Lee Jeong Hwi Cho In Koo Hwang Il Jun Kang Jong Dai Kim Moo-Ho Won 2019Neural Regeneration Research2019,14,9:6
5Chemotherapy-related reactivation of hepatitis B infection: Updates in 2013显示文摘Hepatitis B reactivation is a potentially serious complication of anticancer chemotherapy,which occurs during and after therapy.This condition affects primarily hepatitis B surface antigen(HBsAg)-positive patients,but sometimes HBsAg-negative patients can be at risk,based only on evidence of past infection or occult infection with a low titer of detectable hepatitis B virus(HBV)DNA.The clinical outcomes vary with the different degrees of virologic and biochemical rebound,ranging from asymptomatic elevations in liver enzymes to hepatic failure and even death.Despite the remarkable advancement in the treatment of chronic hepatitis B over the past decade,proper strategies for the prevention and management of HBV reactivation remain elusive.Moreover,with the increasing use of rituximab in patients with lymphoma,HBV reactivation in occult or past infections has become increasingly problematic,especially in HBV-endemic regions.This review addresses the current knowledge on the clinical aspects and management of chemotherapy-related HBV reactivation,updates from recent reports,several unresolvedissues and future perspectives.Hwi Young Kim Won Kim 2014World Journal of Gastroenterology2014,20,40:5
6Time-course pattern of neuronal loss and gliosis in gerbil hippocampi following mild, severe, or lethal transient global cerebral ischemia显示文摘Transient ischemia in the whole brain leads to neuronal loss/death in vulnerable brain regions. The striatum, neocortex and hippocampus selectively loose specific neurons after transient ischemia. Just 5 minutes of transient ischemia can cause pyramidal neuronal death in the hippocampal cornu ammonis (CA) 1 field at 4 days after transient ischemia. In this study, we investigated the effects of 5-minute (mild), 15-minute (severe), and 20-minute (lethal) transient ischemia by bilateral common carotid artery occlusion (BCCAO) on behavioral change and neuronal death and gliosis (astrocytosis and microgliosis) in gerbil hippocampal subregions (CA1-3 region and dentate gyrus). We performed spontaneous motor activity test to evaluate gerbil locomotor activity, cresyl violet staining to detect cellular distribution, neuronal nuclei immunohistochemistry to detect neuronal distribution, and Fluoro-Jade B histofluorescence to evaluate neuronal death. We also conducted immunohistochemical staining for glial fibrillary acidic protein and ionized calcium-binding adapter molecule 1 (Ibal) to evaluate astrocytosis and microgliosis, respectively. Animals subjected to 20-minute BCCAO died in at least 2 days. BCCAO for 15 minutes led to pyramidal cell death in hippocampal CA1-3 region 2 days later and granule cell death in hippocampal de匚tate gyrus 5 days later. Similar results were not found in animals subjected to 5-minute BCCAO. Gliosis was much more rapidly and severely progressed in animals subjected to 15-minute BCCAO than in those subjected to 5- minute BCCAO. Our results indicate that neuronal loss in the hippocampal formation following transient ischemia is significantly different according to regions and severity of transient ischemia. The experimental protocol was approved by Institutional Animal Care and Use Committee (AICUC) of Kangwon National University (approval No. KW-180124-1) on May 22, 2018.Tae-Kyeong Lee Hyunjung Kim Minah Song Jae-Chul Lee Joon Ha Park Ji Hyeon Ahn Go Eun Yang Hyeyoung Kim Taek Geun Ohk Myoung Cheol Shin Jun Hwi Cho Moo-Ho Won 2019Neural Regeneration Research2019,14,8:3
7Simple authenticated key agreement algorithm显示文摘Dong Hwi Seo Sweeney P 1999Electron Lett1999,35,13:2
8Oenanthe Javanica Extract Protects Against Experimentally Induced Ischemic Neuronal Damage via its Antioxidant Effects显示文摘Joon Ha Park Jeong Hwi Cho In Hye Kim Ji Hyeon Ahn Jae-Chul Lee Bai Hui Chen Bich-Na Shin Hyun-Jin Tae Ki-Yeon Yoo SeongKweon Hong II Jun Kang Moo-Ho Won Jong-Dai Kim 2015Chinese Medical Journal2015,,21:2
9Activation of immediate-early response gene c-Fos protein in the rat paralimbic cortices after myocardial infarction显示文摘c-Fos is a good biological marker for detecting the pathogenesis of central nervous system disorders. Few studies are reported on the change in myocardial infarction-induced c-Fos expression in the paralimbic regions. Thus, in this study, we investigated the changes in c-Fos expression in the rat cingulate and piriform cortices after myocardial infarction. Neuronal degeneration in cingulate and piriform cortices after myocardial infarction was detected using cresyl violet staining, Neu N immunohistochemistry and Fluoro-Jade B histofluorescence staining. c-Fos-immunoreactive cells were observed in cingulate and piriform cortices at 3 days after myocardial infarction and peaked at 7 and 14 days after myocardial infarction. But they were hardly observed at 56 days after myocardial infarction. The chronological change of c-Fos expression determined by western blot analysis was basically the same as that of c-Fos immunoreactivity. These results indicate that myocardial infarction can cause the chronological change of immediate-early response gene c-Fos protein expression, which might be associated with the neural activity induced by myocardial infarction.Ji Yun Ahn Hyun-Jin Tae Jeong-Hwi Cho In Hye Kim Ji Hyeon Ahn Joon Ha Park Dong Won Kim Jun Hwi Cho Moo-Ho Won Seongkweon Hong Jae-Chul Lee Jeong Yeol Seo 2015Neural Regeneration Research2015,10,8:2
10Spatial phase-shifting interferometry with compensation of geometric errors based on genetic algorithm(Invited Paper)显示文摘We propose a novel spatial phase-shifting interferometry that exploits a genetic algorithm to compensate for geometric errors. Spatial phase-shifting interferometry is more suitable for measuring objects with properties that change rapidly in time than the temporal phase-shifting interferometry. However, it is more susceptible to the geometric errors since the positions at which interferograms are collected are different. In this letter, we propose a spatial phase-shifting interferometry with separate paths for object and reference waves. Also, the object wave estimate is parameterized in terms of geometric errors, and the error is compensated by using a genetic algorithm.Joonku Hahn Hwi Kim Yongjun Lim Eun-Hee Kim Byoungho Lee 2009Chinese Optics Letters2009,7,12:2
11Phase II study of concurrent transarterial chemoembolization and sorafenib in patients with unresectable hepatocellular carcinoma显示文摘Joong-Won Park Young Hwan Koh Hyun Beom Kim Hwi Young Kim Sangbu An Joon-Il Choi Sang Myung Woo Byung-Ho Nam 2012Journal of Hepatology2012,,6:2
12Optinml design of retroreflection comer - cube sheets by geometrie optie analysis显示文摘Hwi Kim Byoungho lee 2007Optical Engineering2007,46,9:1
13Epidemiology of methicillin- resistant Staphylococcus aureus 显示文摘Boucher HWI Corey GR 2008Clin Infect Dis2008,46,5:1
14Barcelona Clinic Liver Cancer staging system and survival of untreated hepatocellular carcinoma in a hepatitis B virus endemic area显示文摘Jeong‐Hoon Lee Hwi Young Kim Yoon Jun Kim Jung‐Hwan Yoon Jin Wook Chung Hyo‐Suk Lee 2015J Gastroenterol Hepatol2015,,4:1
15Morphological and biochemical changes of andrographolide-induced cell death in human prostatic adenocarcinoma PC-3 cells显示文摘Kim T G Hwi K K Hung C S 2005In Vivo2005,19,:1
16MicroRNA‐196A‐2 polymorphisms and hepatocellular carcinoma in patients with chronic hepatitis B显示文摘Hwi Young Kim Jung‐Hwan Yoon Hyo‐Suk Lee Jae Youn Cheong Sung Won Cho Hyoung Doo Shin Yoon Jun Kim 2014J Med Virol2014,,3:1
17Cell-based measurement of odorant molecules using surface plasmon resonance显示文摘Jin Young Lee Hwi Jin Ko Sang Hun Lee Tai Hyun Park 2006Enzyme and Microbial Technology2006,,3:1
18Optimal design of retroreflection corner-cube sheets by geometric optics analysis显示文摘Hwi K Byoungho L 2007Optical Engineering2007,46,09:1
19New quassinoids,javanicolides C and D and javanicosides B-F,from seeds of Brucea javanica显示文摘Ik Hwi Kim Satoru Takashima Yukio Hitotsuyanagi 2004Nat Prod2004,67,5:1
20New heteroleptic iridium complexes having one biphenyl-2,2-diyl and two bipyridyl based ligands显示文摘Kyu Reon Lee Nam Hwi Hur Min-Sik Eum 2009Dalton Trans2009,19,:1
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