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205篇 您的检索式:作者名="Hong Hee Lee"
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1Brain-derived neurotrophic factor mediates macrophage migration inhibitory factor to protect neurons against oxygen-glucose deprivation显示文摘Macrophage migration inhibitory factor(MIF)is a chemokine that plays an essential role in immune system function.Previous studies suggested that MIF protects neurons in ischemic conditions.However,few studies are reported on the role of MIF in neurological recovery after ischemic stroke.The purpose of this study is to identify the molecular mechanism of neuroprotection mediated by MIF.Human neuroblastoma cells were incubated in Dulbecco’s modified Eagle’s medium under oxygen-glucose deprivation(OGD)for 4 hours and then returned to normal aerobic environment for reperfusion(OGD/R).30 ng/mL MIF recombinant(30 ng/mL)or ISO-1(MIF antagonist;50μM)was administered to human neuroblastoma cells.Then cell cultures were assigned to one of four groups:control,OGD/R,OGD/R with MIF,OGD/R with ISO-1.Cell viability was analyzed using WST-1 assay.Expression levels of brain-derived neurotrophic factor(BDNF),microtubule-associated protein 2(MAP2),Caspase-3,Bcl2,and Bax were detected by western blot assay and immunocytochemistry in each group to measure apoptotic activity.WST-1 assay results revealed that compared to the OGD/R group,cell survival rate was significantly higher in the OGD/R with MIF group and lower in the OGD/R with ISO-1 group.Western blot assay and immunocytochemistry results revealed that expression levels of BDNF,Bcl2,and MAP2 were significantly higher,and expression levels of Caspase-3 and Bax were significantly lower in the MIF group than in the OGD/R group.Expression levels of BDNF,Bcl2,and MAP2 were significantly lower,and expression levels of Caspase-3 and Bax were significantly higher in the ISO-1 group than in the OGD/R group.MIF administration promoted neuronal cell survival and induced high expression levels of BDNF,MAP2,and Bcl2(anti-apoptosis)and low expression levels of Caspase-3 and Bax(pro-apoptosis)in an OGD/R model.These results suggest that MIF administration is effective for inducing expression of BDNF and leads to neuroprotection of neuronal cells against hypoxic injury.Su Hwan Bae Mi Ran Yoo Ye Yeong Kim In Kyung Hong Mi Hee Kim Seung Hak Lee Dae Yul Kim 2020Neural Regeneration Research2020,15,8:11
2Adjuvant capecitabine and oxaliplatin for gastric cancer after D2 gastrectomy (CLASSIC): a phase 3 open-label, randomised controlled trial显示文摘Yung-Jue Bang Young-Woo Kim Han-Kwang Yang Hyun Cheol Chung Young-Kyu Park Kyung Hee Lee Keun-Wook Lee Yong Ho Kim Sang-Ik Noh Jae Yong Cho Young Jae Mok Yeul Hong Kim Jiafu Ji Ta-Sen Yeh Peter Button Florin Sirzén Sung Hoon Noh 2012The Lancet2012,,9813:10
3Durability of viral response after off-treatment in HBeAg positive chronic hepatitis B显示文摘AIM:To evaluate the durability in hepatitis B e antigen (HBeAg) positive chronic hepatitis B patients who discontinued antiviral treatment. METHODS:A total of 48 HBeAg positive chronic hepatitis B patients who were administered nucleoside analogues and maintained virological response for ≥ 6 mo [hepatitis B virus (HBV) DNA < 300 copies/mL and HBeAg seroconversion] before cessation of treatment were enrolled between February 2007 and January 2010. The criteria for the cessation of the antiviral treatment were defined as follows:(1) achievement of virological response; and (2) duration of consolidation therapy (≥ 6 mo). After treatment cessation, the patients were followed up at 3-6 mo intervals. The primary endpoint was serologic and virologic recurrence rates after withdrawal of antiviral treatment. Serologic recurrence was defined as reappearance of HBeAg positivity after HBeAg seroconversion. Virologic recurrence was defined as an increase in HBV-DNA level > 104 copies/mL after HBeAg seroconversion with previously undetectable HBV-DNA level. RESULTS:During the median follow-up period of 18.2 mo (range:5.1-47.5 mo) after cessation of antiviral treatment, the cumulative serological recurrence rate was 15 % at 12 mo. The median duration between the cessation of antiviral treatment and serologic recurrence was 7.2 mo (range:1.2-10.9 mo). Of the 48 patients with HBeAg positive chronic hepatitis, 20 (41.6%) showed virological recurrence. The cumulative virologic recurrence rates at 12 mo after discontinuing the antiviral agent were 41%. The median duration between off-treatment and virologic recurrence was 7.6 mo (range:4.3-27.1 mo). The mean age of the virological recurrence group was older than that of the non-recurrence group (46.7 ± 12.1 years vs 38.8 ± 12.7 years, respectively; P = 0.022). Age (> 40 years) and the duration of consolidation treatment (≥ 15 mo) were significant predictive factors for offtreatment durability in the multivariate analysis [P = 0.049, relative risk (RR) 0.31, 95% CI (0.096-0.998) and P = 0.005, RR 11.29, 95% CI (2.054-65.12), respectively]. Patients with age (≤ 40 years) who received consolidation treatment (≥ 15 mo) significantly showed durability in HBeAg positive chronic hepatitis B patients (P = 0.014). These results suggest that additional treatment for more than 15 mo after HBeAg seroconversion in patients who are ≤ 40 years old may be beneficial in providing a sustained virological response. CONCLUSION:Our data suggest that HBeAg seroconversion is an imperfect end point in antiviral treatment. Long-term consolidation treatment (≥ 15 mo) in younger patients is important for producing better prognosis in HBeAg positive chronic hepatitis B.Myeong Jun Song Do Seon Song Hee Yeon Kim Sun Hong Yoo Si Hyun Bae Jong Young Choi Seung Kew Yoon Yong-Han Paik June Sung Lee Hyun Woong Lee Hyung Joon Kim 2012World Journal of Gastroenterology2012,18,43:7
4Adjuvant capecitabine and oxaliplatin for gastric cancer after D2 gastrectomy (CLASSIC): a phase 3 open-label, randomised controlled trial显示文摘Yung-Jue Bang Young-Woo Kim Han-Kwang Yang Hyun Cheol Chung Young-Kyu Park Kyung Hee Lee Keun-Wook Lee Yong Ho Kim Sang-Ik Noh Jae Yong Cho Young Jae Mok Yeul Hong Kim Jiafu Ji Ta-Sen Yeh Peter Button Florin Sirzén Sung Hoon Noh 2012The Lancet . 2012 (9813)2012,,9813:7
5Tailoring uniform γ-MnO2 nanosheets on highly conductive three-dimensional current collectors for high-performance supercapacitor electrodes显示文摘最近的努力集中了于制造和应用程序三维(3-D ) nanoarchitecture 电极,它能展出优秀电气化学的性能。此处,向设计和合成的新奇策略尺寸悦耳、厚度悦耳二维( 2-D ) MnO <潜水艇class=“ a-plus-plus ”> 2 nanosheets 在上高度传导性一个维( 1-D )脊梁数组被开发了经由一灵巧,一步舞提高了化学洗澡免职( ECBD )在低温度的方法( 50 湡睯物吗??Sangbaek Park Hyun-Woo Shim Chan Woo Lee Hee Jo Song Ik Jae Park Jae-Chan Kim Kug Sun Hong Dong-Wan Kim 2015Nano Research2015,8,3:7
6Open versus laparoscopic surgery for mid or low rectal cancer after neoadjuvant chemoradiotherapy (COREAN trial): short-term outcomes of an open-label randomised controlled trial显示文摘Sung-Bum Kang Ji Won Park Seung-Yong Jeong Byung Ho Nam Hyo Seong Choi Duck-Woo Kim Seok-Byung Lim Taek-Gu Lee Dae Yong Kim Jae-Sung Kim Hee Jin Chang Hye-Seung Lee Sun Young Kim Kyung Hae Jung Yong Sang Hong Jee Hyun Kim Dae Kyung Sohn Dae-Hyun Kim Jae H 2010Lancet Oncology2010,,7:5
7Correlations between endoscopic and clinical disease activity indices in intestinal Behcet's disease显示文摘AIM:To develop a novel endoscopic severity model of intestinal Behcet's disease(BD) and to evaluate its feasibility by comparing it with the actual disease activity index for intestinal Behcet's disease(DAIBD).METHODS:We reviewed the medical records of 167 intestinal BD patients between March 1986 and April 2011.We also investigated the endoscopic parameters including ulcer locations,distribution,number,depth,shape,size and margin to identify independent factors associated with DAIBD.An endoscopic severity model was developed using significant colonoscopic variables identified by multivariate regression analysis and its correlation with the DAIBD was evaluated.To determine factors related to the discrepancy between endoscopic severity and clinical activity,clinical characteristics and laboratory markers of the patients were analyzed.RESULTS:A multivariate regression analysis revealed that the number of intestinal ulcers(≥ 2,P = 0.031) and volcanoshaped ulcers(P = 0.001) were predictive factors for the DAIBD.An endoscopic severity model(Y) was developed based on selected endoscopic variables as follows:Y = 47.44 + 9.04 × non-Ileocecal area + 11.85 ×≥ 2 of intestinal ulcers + 5.03 × shallow ulcers + 12.76 × deep ulcers + 4.47 × geographicshaped ulcers + 26.93 × volcano-shaped ulcers + 8.65 ×≥ 20 mm of intestinal ulcers.However,endoscopic parameters used in the multivariate analysis explained only 18.9% of the DAIBD variance.Patients with severe DAIBD scores but with moderately predicted disease activity by the endoscopic severity model had more symptoms of irritable bowel syndrome(21.4% vs 4.9%,P = 0.026) and a lower rate of corticosteroid use(50.0% vs 75.6%,P = 0.016) than those with severe DAIBD scores and accurately predicted disease by the model.CONCLUSION:Our study showed that the number of intestinal ulcers and volcano-shaped ulcers were predictive factors for severe DAIBD scores.However,the correlation between endoscopic severity and DAIBD(r = 0.434) was weak.Hyun Jung Lee Youn Nam Kim Hui Won Jang Han Ho Jeon Eun Suk Jung Soo Jung Park Sung Pil Hong Tae Il Kim Won Ho Kim Chung Mo Nam Jae Hee Cheon 2012World Journal of Gastroenterology2012,18,40:5
8Change in Antibiotic Resistance of Helicobacter pylori Strains and the Effect of A2143G Point Mutation of 23S rRNA on the Eradication of H. pylori in a Single Center of Korea显示文摘Tae Jun Hwang Nayoung Kim Hong Bin Kim Byoung Hwan Lee Ryoung Hee Nam Ji Hyun Park Mi Kyoung Lee Young Soo Park Dong Ho Lee Hyun Chae Jung In Sung Song 2010Journal of Clinical Gastroenterology2010,,8:5
9Effects of Salvia miltiorrhiza Bunge extract and its single components on monosodium urate-induced pain in vivo and lipopolysaccharide-induced inflammation in vitro显示文摘OBJECTIVE:To investigate the possible antinociceptive effects of Salvia(S.)miltiorrhiza Bunge and its single components in monosodium urate(MSU)-induced pain model in mice and lipopolysaccharide(LPS)-induced inflammation model in RAW264.7 cells.METHODS:Pretreatment of S.miltiorrhiza Bunge extract(from 1 to 50μg/mL)concentration-dependently attenuated LPS-induced nitric oxide(NO)release.The extract of S.miltiorrhiza Bunge(50 or 100 mg/kg)also caused reversals of decreased threshold for pain in the MSU-treated group as measured by Von-Frey test.Furthermore,we assessed the antinociceptive and anti-inflammatory properties of the active single components from S.miltiorrhiza Bunge such as 15,16-dihydrotanshinoneⅠ,tanshinoneⅠ,cryptotanshinone,miltirone,tanshinoneⅡA,and salvianolic acid B.Some of them showed an anti-inflammatory effect in LPS-induced NO release model and an antinociceptive effect in MSU-treated pain model.RESULTS:Our results suggest that S.miltiorrhiza Bunge extract may exert anti-inflammatory effect by reducing LPS-induced NO release and an antinociceptive property in MSU-treated pain model.Especially,tanshinoneⅡA,miltirone,cryptotanshinone,and 15,16-dihydrotanshinoneⅠ,not only appear to be responsible for LPS-induced NO release induced by S.miltiorrhiza Bunge,but also in the production of S.miltiorrhiza Bunge extract-induced antinociception in MSU-treated pain model.CONCLUSION:Therefore,the analgesic and anti-inflammatory property of S.miltiorrhiza Bunge indicate it as a therapeutic potential candidate for the treatment of pain and inflammation.FENG Jinghui Set Byeol Kim Hee Jung Lee Su Min Sim Soon Sung Lim Hong Won Suh 2021Journal of Traditional Chinese Medicine2021,41,2:4
10Memory-centric neuromorphic computing for unstructured data processing显示文摘The unstructured data such as visual information,natural language,and human behaviors opens up a wide array of opportunities in the field of artificial intelligence(Al).The memory-centric neuromorphic computing(MNC)has been proposed for the efficient processing of unstructured data,bypassing the von Neumann bottleneck of current computing architecture.The development of MNC would provide massively parallel processing of unstructured data,realizing the cognitive Al in edge and wearable systems.In this review,recent advances in memory-centric neuromorphic devices are discussed in terms of emerging nonvolatile memories,volatile switches,synaptic plasticity,neuronal models,and memristive neural network.Sang Hyun Sung Tae Jin Kim Hera Shin Hoon Namkung Tae Hong Im Hee Seung Wang Keon Jae Lee 2021Nano Research2021,14,9:3
11Adjuvant capecitabine and oxaliplatin for gastric cancer after D2 gastrectomy (CLASSIC): a phase 3 open-label, randomised controlled trial显示文摘Yung-Jue Bang Young-Woo Kim Han-Kwang Yang Hyun Cheol Chung Young-Kyu Park Kyung Hee Lee Keun-Wook Lee Yong Ho Kim Sang-Ik Noh Jae Yong Cho Young Jae Mok Yeul Hong Kim Jiafu Ji Ta-Sen Yeh Peter Button Florin Sirzén Sung Hoon Noh 2012The Lancet2012,,9813:3
12Saeng-Kankunbi-Tang(生肝健脾汤) Protects Liver against Oxidative Damage through Activation of ERK/Nrf2 Pathway显示文摘Objective: To investigate the cytoprotective effects of Saeng-kankunbi-tang(生肝健脾汤, SKT), a herbal prescription consisting of Artemisia capillaris and Alisma canaliculatum, and its underlying mechanism involved. Methods: In mice, blood biochemistry and histopathology were assessed in carbon tetrachloride(CCl4)-induced oxidative hepatic injury in vivo. The animal groups included vehicle-treated control, CCl4, SKT 500 mg/(kg·day) CCl4+SKT 200 or 500 mg/(kg·day). In Hep G2 cell, tert-butyl hydroperoxide(t BHP) induced severe oxidative stress and mitochondrial dysfunction in vitro. The cyto-protective effects of SKT were determined by 3-(4,5-dimethylthiazol)-2,5-diphenyltetrazolium bromide(MTT) assay, fluorescence activated cell sorting analysis and western blotting. Results: The administration of SKT prevented liver damage induced by CCl4 in mice, by inhibition of hepatocyte degeneration and inflammatory cell infiltration as well as plasma parameters such as alanine aminotransferase(P<0.01). Moreover, treatment with t BHP induced hepatocyte death and cellular reactive oxygen species production in hepatocyte cell line. However, SKT pretreatment(30–300 μg/m L) reduced this cell death and oxidative stress(P<0.01). More importantly, SKT inhibited the ability of t BHP to induce changes in mitochondrial membrane transition in cell stained with rhodamine 123(P<0.01). Furthermore, treatment with SKT induced extracellular signal-regulated kinases-mediated nuclear factor erythroid-2-related factor 2(Nrf2) activation as well as the expressions of heme oxygenase 1 and glutamate-cystein ligase catalytic, Nrf2 target genes. Conclusion: SKT has the ability to protect hepatocyte against oxidative stress and mitochondrial damage mediated by Nrf2 activation.In Woo Lee Hee Yoon Choi Ju-Hee Lee Sun-Dong Park Seung Mo Kim Sae Kwang Ku 赵容杰 Sang Chan Kim Young Woo Kim Hong Sik Choi 2016Chinese Journal of Integrative Medicine2016,22,8:3
13Facile synthesis of fully ordered L10-FePt nanoparticles with controlled Pt-shell thicknesses for electrocatalysis显示文摘我们为 ~ 的合成报导一条简单一步舞途径 4 nm 制服并且充分 L1 0-ordered 以脸为中心四角形(fct ) FePt nanoparticles (NP ) 在 ~ 嵌入 60 nm MCM-41 (fct-FePt NPs@MCM-41 ) 。我们由与醋酸(HOAc ) 对待 fct-FePt NPs@MCM-41 控制了 fct-FePt NP 的磅壳厚度或盐酸在 sonication 下面的酸(HCl ) ,从而蚀刻 NP 的表面 Fe 原子。扔到碳支持(fct-FePt NP/C ) 上的 fct-FePt NP 被与碳混合 fct-FePt NPs@MCM-41 并且随后用 NaOH 移开 MCM-41 准备。我们也开发了一个灵巧的方法综合由使用一个 HF 答案同时的 surface-Fe 蚀刻和 MCM-41 移动的酸处理的 fct-FePt NP/C。我们学习了 surface-Fe 为甲醇氧化反应(粗腐殖质) 在 fct-FePt NP 的 electrocatalytic 性质上蚀刻和磅壳厚度的效果。与非对待的 fct-FePt NP/C 催化剂相比,对待 HOAc 、对待 HCl 的催化剂展出多达 34% 更大的电气化学地活跃的表面区域(ECASA ) ;另外,对待 HCl 的 fct-FePt NP (与 ~ 1.0 nm 磅壳)/C 催化剂展览最高特定的活动。对待 HF 的 fct-FePt NP/C 展出 ECASA 比那些大几乎 2 倍另外的酸处理的 fct-FePt NP/C 催化剂和表演最高集体的活动(1,435 妈吗??Yonghoon Hong Hee Jin Kim Daehee Yang Gaehang Lee Ki Min Nam Myung-Hwa Jung Young-Min Kim Sang-II Choi Won Seok Seo 2017Nano Research2017,10,8:2
14Addition of docetaxel to S-1 without platinum prolongs survival of patients with advanced gastric cancer: a randomized study (START)显示文摘Wasaburo Koizumi Yeul Hong Kim Masashi Fujii Hoon Kyo Kim Hiroshi Imamura Kyung Hee Lee Takuo Hara Hyun Cheol Chung Taroh Satoh Jae Yong Cho Hisashi Hosaka Akihito Tsuji Akinori Takagane Mikito Inokuchi Kazuaki Tanabe Tatsuya Okuno Mariko Ogura Kazuhiro Y 2014Journal of Cancer Research and Clinical Oncology2014,,2:2
15Prognosis of ocular myasthenia in Korea: A retrospective multicenter analysis of 202 patients显示文摘Yoon-Ho Hong Seok-Beom Kwon Byung-Jo Kim Byoung Joon Kim Seung Hyun Kim Jong Kuk Kim Kyung-Seok Park Ki-Jong Park Jung-Joon Sung Eun Hee Sohn Yeong-Bae Lee Dushin Jeong In Soo Joo Byung-Ok Choi Young-Chul Choi 2008Journal of the Neurological Sciences2008,,1:2
16Long-term outcome of palliative therapy for malignant colorectal obstruction in patients with unresectable metastatic colorectal cancers: endoscopic stenting versus surgery显示文摘Hyun Jung Lee Sung Pil Hong Jae Hee Cheon Tae Il Kim Byung So Min Nam Kyu Kim Won Ho Kim 2011Gastrointestinal Endoscopy2011,,3:2
17A case of intussuscepted Meckel’s diverticulum显示文摘We report colonoscopic features of an intussuscepted Meckel's diverticulum, presenting with hematochezia. A 35-year-old woman presented to the emergency room with acute onset, transient, sharp, severe epi-gastric pain that began 6 h earlier. Colonoscopy re-vealed a reddish, soft, fi st-sized polypoid lesion in the terminal ileum. The lesion was misinterpreted as a hematoma by an inexperienced endoscopist. The pa-tient began to complain of intermittent, severe peri-umbilical pain following the colonoscopic examination. Subsequent computed tomography showed an enteric intussusception. An exploratory laparotomy revealed an intussuscepted Meckel's diverticulum, with trans-mural infarction. Colonoscopy was of little use in as-sessing the intussusception. However, colonoscopic examination may be performed initially, especially in an intussuscepted Meckel's diverticulum present-ing with hematochezia. Endoscopists should note the endoscopic features of an intussuscepted Meckel's diverticulum.Tae Hee Lee Jin-Oh Kim Jae Joon Kim Seong Sook Hong So Young Jin Hyun Gun Kim Joo Young Cho Joon Seong Lee 2009World Journal of Gastroenterology2009,15,40:2
18Isolated peritoneal lymphomatosis defined as post-transplant lymphoproliferative disorder after a liver transplant: A case report显示文摘BACKGROUND Post-transplant lymphoproliferative disorder(PTLD) is a fatal complication of solid organ transplantation or allogenic hematopoietic stem cell transplantation that is associated with immunosuppressive therapy. Potential manifestations are diverse, ranging from reactive lymphoid hyperplasia to high-grade lymphoma.PTLD is usually of B-cell origin and associated with Epstein-Barr virus(EBV)infection. Herein, we describe a case of PTLD involving the peritoneal omentum.There has been only case of PTLD as a diffuse large B-cell lymphoma(DLBCL) in the peritoneum.CASE SUMMARY The patient was a 62-year-old man who had been receiving immunosuppressive therapy with tacrolimus since undergoing a liver transplant 15 years prior. He reported that he had experienced abdominal discomfort and anorexia 1 month prior to the current admission. Abdominal pelvic computed tomography(CT)revealed peritoneal and omental mass-like lesions without bowel obstruction.Ultrasonography-guided biopsy was performed, and he was histologically diagnosed with EBV-negative DLBCL. Positron emission tomography(PET)-CT depicted peritoneum and omentum involvement only, without any lymphadenopathy or organ masses, including in the gastrointestinal tract. Six cycles of chemotherapy with a 'R-CHOP' regimen(rituximab-cyclophosphamide, doxorubicin, vincristine, prednisolone) were administered,and PET-CT performed thereafter indicated complete remission.CONCLUSION This is the first report of isolated peritoneal lymphomatosis defined as PTLD in a liver transplant recipient.Hong Beum Kim Ran Hong Yung Sub Na Woo Young Choi Sang Gon Park Hee Jeong Lee 2019World Journal of Clinical Cases2019,7,24:2
19Impact of patient education with cartoon visual aids on the quality of bowel preparation for colonoscopy显示文摘Jae Woong Tae Jong Chan Lee Su Jin Hong Jae Pil Han Yun Hee Lee Jong Ho Chung Hyung Geun Yoon Bong Min Ko Joo Young Cho Joon Seong Lee Moon Sung Lee 2012Gastrointestinal Endoscopy2012,,4:2
20Comparison of immunomodulatory properties of mesenchymal stem cells derived from adult human tissues显示文摘Keon Hee Yoo In Keun Jang Myoung Woo Lee Hyo Eun Kim Mal Sook Yang Youngwoo Eom Jong Eun Lee Young Jin Kim Seong Kyu Yang Hye Lim Jung Ki Woong Sung Cheol Woo Kim Hong Hoe Koo 2009Cellular Immunology2009,,2:2
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