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Causes, Features, and Outcomes of Drug-Induced Liver Injury in 69 Children from China
( Yun Zhu ),( Yong Gang Li ),( Jia Bo Wang ),( Shu Hong Liu ),( Li Fu Wang ),( Yan Ling Zhao ),( Yun Feng Bai ),( Zhong Xia Wang ),( Jian Yu Li ),( Xiao He Xiao ) 대한소화기학회 2015 Gut and Liver Vol.9 No.4
Background/Aims: Drug-induced liver injury (DILI) is a frequent cause of pediatric liver disease; however, the data on DILI are remarkably limited. Methods: All 69 children hospitalized with DILI between January 2009 and December 2011 were retrospectively studied. Results: A total of 37.7% of the children had medical histories of respiratory infection. The clinical injury patterns were as follows: hepatocellular 89.9%, cholestatic 2.9%, and mixed 7.2%. Liver biopsies from 55 children most frequently demonstrated chronic (47.3%) and acute (27.3%) hepatitis. Hypersensitivity features, namely, fever (31.9%), rash (21.7%), and eosinophilia (1.4%), were found. Twenty-four children (34.8%) developed chronic DILI. Antibiotics (26.1%) were the most common Western medicines (WMs) causing DILI, and the major implicated herbs were Ephedra sinica and Polygonum multiflorum. Compared with WM, the children whose injuries were caused by Chinese herbal medicine (CHM) showed a higher level of total bilirubin (1.4 mg/dL vs 16.6 mg/dL, p=0.004) and a longer prothrombin time (11.8 seconds vs 17.3 seconds, p=0.012), but they exhibited less chronic DILI (2/15 vs 18/39, p=0.031). Conclusions: Most cases of DILI in children are caused by antibiotics or CHM used to treat respiratory infection and present with hepatocellular injury. Compared with WM, CHM is more likely to cause severe liver injury, but liver injury caused by CHM is curable. (Gut Liver 2015;9:525-533)
Genome-wide association studies approach and post-GWAS study in rice
Gang Li,Min-Young Yoon,Won-Hee Ra,Jae-Wan Park,Qiang He,Aye Aye Khaing,Xiao-Qiang Wang,Win Htet Oo,Feng-Peng Li,Byoung Kook Yun,Chang-Yong Lee,Yong-Jin Park 한국육종학회 2013 한국육종학회 심포지엄 Vol.2013 No.07
AGenome-wide association studies (GWAS) have proven a useful technique for identifying genetic loci responsible for natural variation in rice. With the fast developed next-generation sequencing technology, it is possible for people to carry out GWAS by phenotyping different traits. However, how to make full use of huge data, abandon unnecessary data, and solve the problem of data application effectively seems still an obstacle for many researchers. Taking the case of whole-genome resequencing of Korean authentic rice core set, here we present a general technological path of GWAS including: 1) a schematic view of sequencing-based GWAS in rice; 2) a user-friendly and interactive web application for GWAS in rice by the aid of experience from Arabidopsis; 3) Haplotype and association analysis of candidate genes in a certain mechanism pathway, giving 10 starch synthesis genes as example; and 4) functional validation by Trans- and Mata-Omics analysis.
Li Wang,Xiao-Fei Liu,Shi Yun,Xiao-Peng Yuan,Xu-Hu Mao,Chao Wu,Wei-Jun Zhang,Kai-Yun Liu,Gang Guo,Dong-Shui Lu,Wen-De Tong,Ai-Dong Wen,Quan-Ming Zou 한국미생물학회 2010 The journal of microbiology Vol.48 No.2
A multivalent fusion vaccine is a promising option for protection against Helicobacter pylori infection. In this study, UreB414 was identified as an antigenic fragment of urease B subunit (UreB) and it induced an antibody inhibiting urease activity. Immunization with UreB414 partially protected mice from H. pylori infection. Furthermore, a trivalent fusion vaccine was constructed by genetically linking heat shock protein A (HspA), H. pylori adhesin A (HpaA), and UreB414, resulting in recombinant HspA-HpaA-UreB414 (rHHU). Its protective effect against H. pylori infection was tested in BALB/c mice. Oral administration of rHHU significantly protected mice from H. pylori infection, which was associated with H. pylori-specific antibody production and Th1/Th2-type immune responses. The results show that a trivalent fusion vaccine efficiently combats H. pylori infection, and that an antigenic fragment of the protein can be used instead of the whole protein to construct a multivalent vaccine.
Protein-based soft micro-optics fabricated by femtosecond laser direct writing
Sun, Yun-Lu,Dong, Wen-Fei,Niu, Li-Gang,Jiang, Tong,Liu, Dong-Xu,Zhang, Lu,Wang, Ying-Shuai,Chen, Qi-Dai,Kim, Dong-Pyo,Sun, Hong-Bo Nature Publishing Group 2014 Light, science & applications Vol.3 No.1
<P>In this work, we report a novel soft diffractive micro-optics, called 'microscale kinoform phase-type lens (micro-KPL)', which is fabricated by femtosecond laser direct writing (FsLDW) using bovine serum albumin (BSA) as building blocks and flexible polydimethylsiloxane (PDMS) slices as substrates. By carefully optimizing various process parameters of FsLDW (e. g., average laser power density, scanning step, exposure time on a single point and protein concentration), the as-formed protein micro-KPLs exhibit excellent surface quality, well-defined three-dimensional (3D) geometry and distinctive optical properties, even in relatively harsh operation environments (for instance, in strong acid or base). Laser shaping, imaging and other optical performances can be easily achieved. More importantly, micro-KPLs also have unique flexible and stretchable properties as well as good biocompatibility and biodegradability. Therefore, such protein hydrogel-based micro-optics may have great potential applications, such as in flexible and stretchable photonics and optics, soft integrated optical microsystems and bioimplantable devices.</P>
Jing Shan,Yun-Gang Wang,Yu Wang,Hui-Min Wang,Yu Han 한국물리학회 2014 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.64 No.3
Electron transport through a parallel double-quantum-dot structure is theoretically studied withone dot in the Kondo region and the other one in the region of local Rashba interaction. Thecoupling between the Kondo dot and the electron reservoirs is found to offer a reference channel forelectron travels, and the connection of the Rashba dot and the leads is found to afford a resonantchannel. The interplay of these two mechanisms gives rise to the Fano effect, which also depends onthe adjustment of the Rashba field. We then conclude that in this structure, the Fano interferenceis more robust because it causes a quenching of the Kondo resonance. In the presence of a localmagnetic flux, the quenched Kondo resonance becomes determined by the electron spin, which ishelpful for spin manipulation.
이미라,Jing Gang Hou,Shahnaz Begum,Jian Jie Xue,Yun Bo Wang,성창근 한국식품과학회 2013 Food Science and Biotechnology Vol.22 No.6
This study evaluates three edible mushrooms:Lentinus edodes, Sparassis crispa, and Mycoleptodonoidesaitchisonii, in terms of acetylcholinesterase (AChE)inhibition, antioxidant potency and constituents free aminoacids and mineral. The concentration of essential aminoacids was found to be 34.10 mg/g in M. aitchisonii, 26.25mg/g in S. crispa, 25.99 mg/g in L. edodes. S. crispadisplayed the highest DPPH scavenging activity andphenolic contents. The best results for AChE inhibitionwere obtained from M. aitchisonii. These results suggestthat M. aitchisonii has high potential for cognitiveimprovement by AChE inhibition and antioxidant potency.
Yang, Jie,Wang, Zhi-Gang,Cai, Hai-Qing,Li, Yu-Chan,Xu, Yun-Lan Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.8
We conducted a comprehensive study to investigate the role of genes involved in transport pathways in response to chemotherapy and clinical outcome of osteosarcoma cases. Genotyping of six SNPs was performed in a 384-well plate format on the Sequenom MassARRAY platform for 208 osteosarcoma patients to reveal any correlations of the six SNPs with response to chemotherapy and clinical outcome. Individuals with the ABCB1 rs1128503 TT and ABCC3 rs4148416 TT genotypes had a higher probability of responding poorly to chemotherapy, indicated by odds ratios (ORs) of 2.46 (95%CI, 1.21-5.74) and 3.78 (95% CI, 1.20-13.85), respectively. Moreover, the ABCB1 rs1128503 TT and ABCC3 rs4148416 TT genotypes were significantly associated with shorter diseasefree survival (DFS) and overall survival (OS). Our study found the two SNPs in two transporter genes and one phase II metabolism enzyme to be associated with response to chemotherapy and overall survival in osteosarcoma patients, suggesting potential prognostic biomarker applications of the two SNPs.
Optimal Structure Design of Multi-functional Folding Drawing Board based on TRIZ Theory
Jiang Jin-gang,Xu Xiao-lei,Wang Zhao,Liu Yun-feng,Cui Shi-jia,Sun Jing-hao 보안공학연구지원센터 2015 International Journal of Hybrid Information Techno Vol.8 No.2
In drawing area, aiming at the problems of drawing breadth and angle cannot be adjusted individually and not convenient to carry, a kind of multi-functional folding drawing board is designed by us. The appearance of the multi-functional folding drawing board is kind of drawing board, some light materials like basswood and rigid plastics are used in main structure of the drawing board to make it light and convenient to carry. The main structure can be folded and it is suitable for A1 and A2 drawings. In the designing procedure, dip angle adjusted mechanism by worm wheel and gear, magnetic pull-in mechanism, leading rail, slide-way, drawer, tool library, paper bag and horn locks are applied based on modularity designing theory. Finite element analysis of key components of drawing board is analyzed.