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hARIP2 is a Putative Growth-promoting Factor Involved in Human Colon Tumorigenesis
Gao, Rui-Feng,Li, Zhan-Dong,Jiang, Jing,Yang, Li-Hua,Zhu, Ke-Tong,Lin, Rui-Xin,Li, Hao,Zhao, Quan,Zhang, Nai-Sheng Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.20
Activin is a multifunctional growth and differentiation factor of the growth factor-beta (TGF-${\beta}$) superfamily, which inhibits the proliferation of colon cancer cells. It induces phosphorylation of intracellular signaling molecules (Smads) by interacting with its type I and type II receptors. Previous studies showed that human activin receptor-interacting protein 2 (hARIP2) can reduce activin signaling by interacting with activin type II receptors; however, the activity of hARIP2 in colon cancer has yet to be detailed. In vitro, overexpression of hARIP2 reduced activin-induced transcriptional activity and enhanced cell proliferation and colony formation in human colon cancer HCT8 cells and SW620 cells. Also, hARIP2 promoted colon cancer cell apoptosis, suggesting that a vital role in the initial stage of colon carcinogenesis. In vivo, immunohistochemistry revealed that hARIP2 was expressed more frequently and much more intensely in malignant colon tissues than in controls. These results indicate that hARIP2 is involved in human colon tumorigenesis and could be a predictive maker for colon carcinoma aggressiveness.
Wen Hao,Cheng Lin,Jiang Yi,Zhu Taiyun,Chen Zhong,Dai Xize,Gao Chenyu 대한전기학회 2021 Journal of Electrical Engineering & Technology Vol.16 No.3
Oil-immersed power transformer plays an important role in power transmission and transformation engineering. Moisture is one of the important factors to determine its insulation performance. Molecular simulation technique is used to study the mechanism of water molecules on the micro polarization behavior of cellulose insulation materials. The number of hydrogen bonds, solubility parameters, total dipole moment and polarizability are analyzed. These characteristics explain the action mechanism of water molecules on cellulose insulation. At the same time, the time domain and frequency dielectric response of cellulose insulation materials with diff erent moisture content are explored. The dielectric modulus spectrum is introduced to replace the traditional frequency dielectric spectroscopy to characterize the micro relaxation process of cellulose insulation under diff erent moisture content. Finally, the characteristic parameters are extracted from the polarization, depolarization current and dielectric modulus spectrum curves to evaluate the moisture content of cellulose insulation materials. The results show that the number of hydrogen bonds, binding energy density, solubility parameter, total dipole moment and polarizability increase with the increase of water content. It should be noted that dielectric modulus spectroscopy can eff ectively characterize the relaxation behavior of cellulose insulation materials. The moisture content of cellulose insulation can be quantitatively evaluated by DC conductivity, insulation resistance, imaginary part relaxation peak of dielectric modulus and integral value of real part and imaginary part of dielectric modulus.
China Consensus Document on Allergy Diagnostics
Chen Hao,Li Jing,Cheng Lei,Gao Zhongshan,Lin Xiaoping,Zhu Rongfei,Yang Lin,Tao Ailin,Hong Haiyu,Tang Wei,Guo Yinshi,Huang Huaiqiu,Sun Jinlyu,Lai He,Lei Cheng,Liu Guanghui,Xiang Li,Chen Zhuanggui,Ma Ha 대한천식알레르기학회 2021 Allergy, Asthma & Immunology Research Vol.13 No.2
The prevalence of allergic diseases has increased dramatically in recent years in China, affecting the quality of life in 40% of the population. The identification of allergens is the key to the diagnosis of allergic diseases. Presently, several methods of allergy diagnostics are available in China, but they have not been standardized. Additionally, cross-sensitization and co-sensitization make allergy diagnostics even more complicated. Based on 4 aspects of allergic disease (mechanism, diagnosis procedures, allergen detection in vivo and in vitro as well as the distribution map of the most important airborne allergens in China) and by referring to the consensus of the European Society of Allergy and Clinical Immunology, the World Allergy Organization, and the important literature on allergy diagnostics in China in recent years, we drafted this consensus of allergy diagnostics with Chinese characteristics. It aims to standardize the diagnostic methods of allergens and provides a reference for health care givers. The current document was prepared by a panel of experts from the main stream of professional allergy associations in China.
Chemical constituents from the aerial parts of Melandrium firmum
Chang Hao Zhang,Gao Li,Jie Luo,Tian Li,Yong Cui,Mei Jin,Da Lei Yao,Ming Shan Zheng,Zhen-Hua Lin,Jiong Mo Cui 대한약학회 2015 Archives of Pharmacal Research Vol.38 No.10
Two new anthraquinones, melrubiellin C (1) andmelrubiellin D (2), were isolated from the aerial parts of Melandriumfirmum Rohrbach, together with eight known compounds(3–10). The structures of these compounds wereelucidated using 1Dand 2DNMR(COSY,HMQC,HMBCandNOESY) experiments. All isolated compounds were tested fortheir cytotoxicity against NCI-H460, Hep G2, MKN-28 andA-549 cells.Of these 10 compounds,1 and 2 exhibitedmoderatecytotoxicity with IC50 values ranging from 9.54 to 32.41 lM.
Cytotoxic anthraquinone dimers from Melandrium firmum
Chang Hao Zhang,Da Lei Yao,Cheng-Shen Li,Jie Luo,Mei Jin,Ming-Shan Zheng,Zhen-Hua Lin,Tie-Feng Jin,Gao Li 대한약학회 2015 Archives of Pharmacal Research Vol.38 No.6
Two new anthraquinone dimers, melrubiellin A(1) and melrubiellin B (2), were isolated from the aerialpart of Melandrium firmum Rohrbach, along with sevenknown compounds (3–9). The structures of these compoundswere elucidated by spectral analyses, including 1Dand 2D NMR (COSY, HMQC, HMBC and NOESY)experiments. Compound 1 and 2 exhibited significantcytotoxicity towards HeLa, NCI-H460, Hep G2, Hep 3Band MKN-28 cell lines with IC50 values ranging from 5.26to 81.16 lM.
Liang, Weizheng,Gao, Min,Lu, Chang,Zhang, Zhi,Chan, Cheuk Ho,Zhuge, Lanjian,Dai, Jiyan,Yang, Hao,Chen, Chonglin,Park, Bae Ho,Jia, Quanxi,Lin, Yuan American Chemical Society 2018 ACS APPLIED MATERIALS & INTERFACES Vol.10 No.9
<P>Vanadium dioxide (VO<SUB>2</SUB>) is a strong-correlated metal-oxide with a sharp metal-insulator transition (MIT) for a range of applications. However, synthesizing epitaxial VO<SUB>2</SUB> films with desired properties has been a challenge because of the difficulty in controlling the oxygen stoichiometry of VO<SUB><I>x</I></SUB>, where <I>x</I> can be in the range of 1 < <I>x</I> < 2.5 and V has multiple valence states. Herein, a unique moisture-assisted chemical solution approach has been developed to successfully manipulate the oxygen stoichiometry, to significantly broaden the growth window, and to significantly enhance the MIT performance of VO<SUB>2</SUB> films. The obvious broadening of the growth window of stoichiometric VO<SUB>2</SUB> thin films, from 4 to 36 °C, is ascribed to a self-adjusted process for oxygen partial pressure at different temperatures by introducing moisture. A resistance change as large as 4 orders of magnitude has been achieved in VO<SUB>2</SUB> thin films with a sharp transition width of less than 1 °C. The much enhanced MIT properties can be attributed to the higher and more uniform oxygen stoichiometry. This technique is not only scientifically interesting but also technologically important for fabricating wafer-scaled VO<SUB>2</SUB> films with uniform properties for practical device applications.</P> [FIG OMISSION]</BR>
Enhanced Locality Sensitive Clustering in High Dimensional Space
Chen, Gang,Gao, Hao-Lin,Li, Bi-Cheng,Hu, Guo-En The Korean Institute of Electrical and Electronic 2014 Transactions on Electrical and Electronic Material Vol.15 No.3
A dataset can be clustered by merging the bucket indices that come from the random projection of locality sensitive hashing functions. It should be noted that for this to work the merging interval must be calculated first. To improve the feasibility of large scale data clustering in high dimensional space we propose an enhanced Locality Sensitive Hashing Clustering Method. Firstly, multiple hashing functions are generated. Secondly, data points are projected to bucket indices. Thirdly, bucket indices are clustered to get class labels. Experimental results showed that on synthetic datasets this method achieves high accuracy at much improved cluster speeds. These attributes make it well suited to clustering data in high dimensional space.
Enhanced Locality Sensitive Clustering in High Dimensional Space
Gang Chen,Hao-Lin Gao,Bi-Cheng Li,Guo-En Hu 한국전기전자재료학회 2014 Transactions on Electrical and Electronic Material Vol.15 No.3
A dataset can be clustered by merging the bucket indices that come from the random projection of locality sensitivehashing functions. It should be noted that for this to work the merging interval must be calculated first. To improvethe feasibility of large scale data clustering in high dimensional space we propose an enhanced Locality SensitiveHashing Clustering Method. Firstly, multiple hashing functions are generated. Secondly, data points are projected tobucket indices. Thirdly, bucket indices are clustered to get class labels. Experimental results showed that on syntheticdatasets this method achieves high accuracy at much improved cluster speeds. These attributes make it well suited toclustering data in high dimensional space.
Lu, Zhi-Hao,Yang, Li,Yu, Jing-Wei,Lu, Ming,Li, Jian,Zhou, Jun,Wang, Xi-Cheng,Gong, Ji-Fang,Gao, Jing,Zhang, Xiao-Tian,Li, Jie,Li, Yan,Shen, Lin Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.15
Background: Weight loss during chemotherapy has not been exclusively investigated. Macrophage inhibitory cytokine-1 (MIC-1) might play a role in its etiology. Here, we investigated the prognostic value of weight loss before chemotherapy and its relationship with MIC-1 concentration and its occurrence during chemotherapy in patients with advanced esophageal squamous cell carcinoma (ESCC). Materials and Methods: We analyzed 157 inoperable locally advanced or metastatic ESCC patients receiving first-line chemotherapy. Serum MIC-1 concentrations were assessed before chemotherapy. Patients were assigned into two groups according to their weight loss before or during chemotherapy:>5% weight loss group and ${\leq}5%$ weight loss group. Results: Patients with weight loss>5% before chemotherapy had shorter progression-free survival period (5.8 months vs. 8.7 months; p=0.027) and overall survival (10.8 months vs. 20.0 months; p=0.010). Patients with weight loss >5% during chemotherapy tended to have shorter progression-free survival (6.0 months vs. 8.1 months; p=0.062) and overall survival (8.6 months vs. 18.0 months; p=0.022), and if weight loss was reversed during chemotherapy, survival rates improved. Furthermore, serum MIC-1 concentration was closely related to weight loss before chemotherapy (p=0.001) Conclusions: Weight loss both before and during chemotherapy predicted poor outcome in advanced ESCC patients, and MIC-1 might be involved in the development of weight loss in such patients.
Optimization Design of Magnetic Gear Based on Genetic Algorithm Toolbox of Matlab
Li-Bing Jing,Zheng-Hao Luo,Lin Liu,Qi-Xing Gao 대한전기학회 2016 Journal of Electrical Engineering & Technology Vol.11 No.5
Concentric magnetic gear (CMG) is a transmission gear with a novel structure and a promising prospect. However, the calculation of its electromagnetic field is more complicated. In this paper, an exact analytical method is used to calculate the magnetic field distribution and electromagnetic torque. The genetic algorithm optimization toolbox of matlab (GAOT) provides a good tool for its optimization design. The optimization results show that the genetic algorithm is practicable and effective, and provide a new approach for the analysis and design of the concentric magnetic gear. It is significant for the research and application of the concentric magnetic gear.