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中国经济对于不定期船景气的影响研究

华东经济管理 2011年第4期25卷 40-43页

作者：金亨根韩国仁荷大学静石物流通商研究院韩国仁川402751

文章在中国经济成长中中国景气的变动是世界散装货运费的重要因素的假设背景下,导入散装货运费指数BDI、下装量、中国景气,分析了变量之间的相互关系和中国景气对海运市场的影响。分析结果,证明了中国的景气变动对干货运费和下装量有一... 详细信息

文章在中国经济成长中中国景气的变动是世界散装货运费的重要因素的假设背景下,导入散装货运费指数BDI、下装量、中国景气,分析了变量之间的相互关系和中国景气对海运市场的影响。分析结果,证明了中国的景气变动对干货运费和下装量有一定的影响。

关键词：中国经济增长海运指数韩国经济

A Consideration on the Effectiveness of Sleeping Controlled Protocol for Sedation in Pediatric MRI

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A Consideration on the Effectiveness of Sleeping Controlled ...

Effect of L-Deprenyl on the Putrescine Level and Neuronal Damage after Transient Global Cerebral Ischemia in Gerbils

2010中华医学会影像技术分会第十八次全国学术大会

作者： Tac-Han Jung Myung-Ju Cho Jae-Bum Seo Bong-Seon kim Eun-Kyung kim hyung-Ki kim Department of Radiology Seoul National University Pediatric HospitalSeoulKorea

Objective:Sedation is frequently required in pediatric Magnetic Resonance Imaging and also managed for its successful examinations in order to reduce the failures of that which cause

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International Journal of Organic Chemistry 2017年第2期7卷 171-184页

作者： hyung Lee Yeun-Kyung Chu Joon-Ho Shon Kyung-Hee Chun Jee-In kim Seong-Ryong Lee Department of Neurology School of Medicine and Brain Research Institute Keimyung University Daegu Korea School of Kinesiology Yeungnam University Gyeongsan Korea Department of Medical Education School of Medicine Yeungnam University Daegu Korea Department of Molecular Medicine Obesity-Mediated Disease Research Center School of Medicine Keimyung University Daegu Korea Department of Pharmacology Obesity-Mediated Disease Research Center School of Medicine Keimyung University Daegu Korea

L-Deprenyl is selective and irreversible monoamine oxidase B inhibitor, known to have neuroprotective properties. Putrescine, one of polyamine, is thought to be important in the neuronal cell damage associated with various type of excitatory neurotoxicity. We examined the effects of L-deprenyl on the changes in putrescine level and neuronal damage after transient global ischemia in ger-bils. Male Mongolian gerbils weighing 65 - 75 g were used in the experiment. Global ischemia was induced by occlusion of common carotid arteries for 3 min to observe neuronal injury in hippocampal pyramidal cells. L-Deprenyl group was given 10 mg/kg of L-deprenyl intraperitoneally immediately after, 3 h and 6 h after global ischemia. Treated animals were processed in parallel with ischemic animals receiving saline as a vehicle and with sham- operated controls. Hippocampal putrescine level was increased by global ischemia and inhibited by L-deprenyl treatment. In histological findings, counts of viable neurons were made in the pyramidal cell layer of the hippocampal CA1 area 3 days after ischemic insult. The number of viable neurons in the pyramidal cell layer of CA1 area was significantly increased in animals treated with L-deprenyl compared to vehicle-treated ischemic animals (p < 0.05). In terminal deoxynucleotidyl transferase (TdT)-mediated dUTP nick endlabeling (TUNEL) assay, semiquantitative analysis of dark-brown neuronal cells was made in the hippocampal CA1 area. There was also a significant difference in the degree of TUNEL staining in the hippocampal CA1 area between vehi-cle-treated and L-deprenyl-treated animals (p < 0.05). These data show L-deprenyl is effective as a prophylactic treatment for neuronal injury when it is administrated before ischemia but a further study need to know the effects of administration of L-deprenyl after ischemia and at given times after reper-fusion.

关键词： L-Deprenyl Polyamine Global Ischemia Hippocampus Gerbil Neuroprotection

Methylsulfonylmethane suppresses hepatic tumor development through activation of apoptosis

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World Journal of Hepatology 2014年第2期6卷 98-106页

作者： Joo-Hyun kim Hye-Jun Shin Hye-Lin Ha Young-Ho Park Tae-Ho Kwon Mi-Ra Jung hyung-Bae Moon Eun-Sang Cho Hwa-Young Son Dae-Yeul Yu Aging Research Center Korea Research Institute of Bioscience and Biotechnology College of Veterinary Medicine Chungnam National University Wonkwang University College of Medicine

AIM:To investigate the effect of methylsulfonylmethane(MSM), recently reported to have anti-cancer effects, in liver cancer cells and transgenic mice. METHODS: Three liver cancer cell lines, HepG2, Huh7-Mock and Huh7-H-rasG12V, were used. Cell growth was measured by Cell Counting Kit-8 and soft agar assay. Western blot analysis was used to detect caspases, poly(ADP-ribose) polymerase(PARP), and B-cell lymphoma2(Bcl-2) expressions. For in vivo study, we administered MSM to H-ras12V transgenic mice for 3 mo. RESULTS: MSM decreased the growth of HepG2, Huh7-Mock and Huh7-H-rasG12V cells in a dose-dependent manner. That was correlated with significantly increased apoptosis and reduced cell numbers in MSM treated cells. Cleaved caspase-8, cleaved caspase-3 and cleaved PARP were remarkably increased in the liver cancer cells treated with 500 mmol/L of MSM; however, Bcl-2 was slightly decreased in 500 mmol/L. Liver tumor development was greatly inhibited in the H-ras12V transgenic mice treated with MSM, compared to control, by showing reduced tumor size and number. Cleaved PARP was significantly increased in non-tumor treated with MSM compared to control. CONCLUSION: Liver injury was also significantly attenuated in the mice treated with MSM. Taken together, all the results suggest that MSM has anti-cancer effects through inducing apoptosis in liver cancer.

关键词： Methylsulfonylmethane Anti-cancer effects Liver cancer cells Transgenic mice Hepatic tumorigenesis

Wireless,multimodal sensors for continuous measurement of pressure,temperature,and hydration of patients in wheelchair

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npj Flexible Electronics 2023年第1期7卷 479-493页

作者： Seokjoo Cho Hyeonseok Han Hyunwoo Park Sung-Uk Lee Jae-Hwan kim Sung Woo Jeon Mengqiu Wang Raudel Avila Zhaoqian Xi Kabseok Ko Minsu Park Jungyup Lee Myungwoo Choi Je-Sang Lee Weon Gi Min Byeong-Ju Lee Soyeong Lee Jungrak Choi Jimin Gu Jaeho Park Min Seong kim Junseong Ahn Osman Gul chankyu Han Gihun Lee Seunghwan kim Kyuyoung kim Jeonghyun kim chang-Mo Kang Jahyun Koo Sung Soo Kwak Sungbong kim Dong Yun Choi Seokwoo Jeon hyung Jin Sung Yong Bae Park Minkyu Je Young Tae Cho Yong Suk Oh Inkyu Park Department of Mechanical Engineering Korea Advanced Institute of Science and TechnologyDaejeon 34141Republic of Korea School of Electrical Engineering Korea Advanced Institute of Science and TechnologyDaejeon 34141Republic of Korea Advanced 3D Printing Technology Development Division Korea Atomic Energy Research InstituteDaejeon 34057Republic of Korea Department of Electrical and Computer Engineering University of Illinois at Urbana-ChampaignUrbanaIL 61801USA State Key Laboratory of Structural Analysis for Industrial Equipment Department of Engineering MechanicsDalian University of TechnologyDalian 116023P.R.China Department of Mechanical Engineering Northwestern UniversityEvanstonIL 60208USA DUT-BSU Joint Institute Dalian University of TechnologyDalian 116023China Ningbo Institute of Dalian University of Technology Ningbo 315016China Department of Electronics Engineering Kangwon National UniversityChuncheon 24341Republic of Korea Querrey-Simpson Institute for Bioelectronics Northwestern UniversityEvanstonIL 60208USA Sibel Health Inc NilesIL 60714USA Department of Materials Science and Engineering KAIST Institute for The Nanocentury(KINC)Korea Advanced Institute of Science and TechnologyDaejeon 34141Republic of Korea Department of Rehabilitation Medicine Gimhae Hansol Rehabilitation&Convalescent HospitalGimhae 50924Republic of Korea Department of planning and development Gimhae Hansol Rehabilitation&Convalescent HospitalGimhae 50924Republic of Korea Department of rehabilitation medicine Pusan national university hospitalBusan 49241Republic of Korea Department of AI Convergence Network Ajou UniversitySuwon 16499Republic of Korea Department of Electronic Convergence Engineering Kwangwoon UniversitySeoul 01897Republic of Korea Korea Photonics Technology Institute Gwangju 61007Republic of Korea School of Biomedical Engineering Korea UniversitySeoul 02841Republic of Korea Interdisciplinary Program in Precision Public Health Korea UniversitySeoul 02841Republic of Korea Center

Individuals who are unable to walk independently spend most of the day in a *** population is at high risk for developing pressure injuries caused by ***,early diagnosis and prevention of these injuries still remain ***,we introduce battery-free,wireless,multimodal sensors and a movable system for continuous measurement of pressure,temperature,and hydration at skin *** device design includes a crack-activated pressure sensor with nanoscale encapsulations for enhanced sensitivity,a temperature sensor for measuring skin temperature,and a galvanic skin response sensor for measuring skin hydration *** movable system enables power harvesting,and data communication to multiple wireless devices mounted at skin-cushion interfaces of wheelchair users over full body *** evaluations and numerical simulations of the devices,together with clinical trials for wheelchair patients,demonstrate the feasibility and stability of the sensor system for preventing pressure injuries caused by sitting.

关键词： injuries modal mounted

Generation of pigs with humanized type Ⅱ collagen by precise human COL2A1 gene knock-in

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Journal of Genetics and Genomics 2023年第3期50卷 212-215页

作者： Ting Lan Yuling Zheng Yangyang Suo Yuhui Wei Hui Shi Quanmei Yan Zhenpeng Zhuang Huangyao Chen Quanjun Zhang Nana Fan Yu Zhao Zhen Ouyang Chengdan Lai Zhaoming Liu Jizeng Zhou Chengcheng Tang Nam-hyung kim Qingjian Zou Xiaomin Wang Guangdong Provincial Key Laboratory of Large Animal Models for Biomedicine Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesWuyi UniversityJiangmenGuangdong 529020China University of Chinese Academy of Sciences Beijing 100049China CAS Key Laboratory of Regenerative Biology Guangdong Provincial Key Laboratory of Stem Cell and Regenerative MedicineSouth China Institute for Stem Cell Biology and Regenerative MedicineGuangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhouGuangdong 510530China Joint School of Life Science Guangzhou Institutes of Biomedicine and HealthChinese Academy of SciencesGuangzhou Medical UniversityGuangzhouGuangdong 510530China The School of Biomedical and Pharmaceutical Sciences Guangdong University of TechnologyGuangzhouGuangdong 510006China School of Life Sciences Westlake UniversityHangzhouZhejiang 310024China Institute of Biology Westlake Institute for Advanced StudyHangzhouZhejiang 310024China

Osteoarthritis(OA)is the most common chronic disease,characterized by progressive cartilage breakdown,subchondral bone sclerosis,and aberrant bone outgrowth(Yucesoy et al.,2015;Hussain et al.,2016).OA is one of the leading causes of cartilage *** with severe cartilage damage require transplantation of articular cartilage to improve their quality of *** Ⅱ collagen is a major component of articular cartilage and intervertebral discs and plays an important role in the structure and strength of connective tissues that support muscles and joints(Byers,1994).

关键词： damage cartilage

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冷肿瘤的免疫治疗

中国临床新医学 2021年第9期14卷 861-870页

作者： SU Sheng-chen hyung Lae kim 西达赛奈医学中心外科美国加利福尼亚州洛杉矶90048

免疫治疗是继手术、放疗、传统化疗后的第四大肿瘤治疗手段。基于患者自身的免疫系统治疗癌症的理念已经开发了许多的治疗方法。研究证明最有效的免疫治疗是免疫检查点抑制剂(CPIs),它们通过阻断免疫抑制机制发挥作用。CPIs临床应用最... 详细信息

免疫治疗是继手术、放疗、传统化疗后的第四大肿瘤治疗手段。基于患者自身的免疫系统治疗癌症的理念已经开发了许多的治疗方法。研究证明最有效的免疫治疗是免疫检查点抑制剂(CPIs),它们通过阻断免疫抑制机制发挥作用。CPIs临床应用最好的例证是基于PD-1/L1和CTLA-4的发现,后者获得了诺贝尔奖。由于肿瘤微环境的异质性,临床发现免疫治疗的疗效可能各不相同。淋巴细胞浸润较差的肿瘤是免疫惰性的,被称为“冷肿瘤”。这种肿瘤对CPIs的应答较差。该文回顾了目前的免疫治疗方法及通过增加冷肿瘤淋巴细胞浸润的研究来提高CPIs疗效。

关键词：癌症免疫免疫疗法肿瘤浸润淋巴细胞

Analysis of proteomic profiling of mouse embryonic stem cells derived from fertilized, parthenogenetic and androgenetic blastocysts

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Stem Cell Discovery 2011年第1期1卷 1-15页

作者： Xiang-Shun Cui Xing-Hui Shen chang-Kwon Lee Yong-Kook Kang Teruhiko Wakayama Nam-hyung kim 不详

Embryonic stem cells (ESCs) are derived from the inner cell mass (ICM) of preimplantation embryos. ESCs exhibit true pluripotency, i.e., the ability to differentiate into cells of all three germ layers in the developing embryo. We used 2-DE MALDI-TOF/TOF to identify differentially expressed proteins among three types of mouse embryonic stem cells (ESCs) derived from ferti-lized, parthenogenetic, and androgenetic (fESC, pESC and aESC, respectively) blastocysts. We detected more than 800 proteins on silver- stained gels of whole protein extracts from each type of ESC. Of these, 52 differentially expressed proteins were identified by the MALDI–TOF/TOF analyzer, including 32 (fESCs vs. pESCs), 28 (fESCs vs. aESCs) and 17 (pESCs vs. aESCs) prominent proteins with significantly higher or lower expression relative to the comparison cells. Among the 32 proteins from fESCs, 12 were significantly increased in expression and 20 were reduced in expression in fESCs com-pared with pESCs. Similarly, 10 of 28 and 8 of 17 proteins were more highly expressed in fESCs and pESCs compared with aESCs, respectively. In contrast, 18 of 28 and 9 of 17 proteins were reduced in expression in fESCs and pESCs compared with aESCs, respectively. Of the eight protein candidates in fESCs, four were in-creased and four were decreased in expression relative to both pESCs and aESCs in the 2-DE analysis. Differential expression of these pro-teins were confirmed by mRNA expression analysis using real time RT-PCR. For three pro-teins, ANXA5, CLIC1 and SRM, Western blot analysis corroborated the expression patterns indicated by the 2-DE results. ANXA5 and CLIC1 were increased in expression and SRM was de-creased in expression in fESCs compared with both pESCs and aESCs. The differentially ex-pressed proteins identified in the present study warrant further investigation towards the goal of their potential application in ESC therapy.

关键词： Protein Profiling Embryonic Stem Cell Parthenogenote Androgenote Fertilization

Occult micrometastases in colorectal cancer-An immunohistochemical study

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Occult micrometastases in colorectal cancer-An immunohistoch...