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https://www.readbyqxmd.com/read/28534974/taz-overexpression-is-associated-with-epithelial-mesenchymal-transition-in-cisplatin-resistant-gastric-cancer-cells
#1
Liang Ge, Dong-Song Li, Fei Chen, Ji-Dong Feng, Bai Li, Tie-Jun Wang
Gastric cancer is one of the common malignant diseases. The poor treatment outcome is mainly due to chemotherapeutic resistance. Therefore, it is important to determine the molecular mechanism of drug resistance in gastric cancer. To explore the mechanisms of cisplatin resistance in gastric cancer cells, several approaches were performed including MTT assay, real-time RT-PCR, western blot analysis, migration and invasion assays, wound healing assay, and transfection. We found that cisplatin-resistant (CR) gastric cancer cells acquired epithelial-mesenchymal transition (EMT) phenotype...
May 16, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28529593/her2-pro1170ala-polymorphism-is-associated-with-decreased-survival-rate-in-her2-negative-breast-cancer
#2
Pilei Si, Ye Xu, Tao Ouyang, Jinfeng Li, Tianfeng Wang, Zhaoqing Fan, Tie Fan, Benyao Lin, Yuntao Xie
The Pro1170Ala polymorphism is one of the most common polymorphisms of human epidermal growth factor receptor 2 (HER2) and may affect the clinical outcome in breast cancer. Therefore, in the present study, the incidence of the HER2 Pro1170Ala polymorphism was determined in 3,305 female patients with operable primary breast cancer using a DNA-sequencing assay, and the potential association with survival was investigated. Of these 3,305 patients, 29% (955/3,305) were homozygous for the Pro/Pro genotype, 51% (1,679/3,305) were heterozygous for the Pro/Ala genotype and 20% (671/3,305) were homozygous for the Ala/Ala genotype...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28527414/structural-characterization-and-discrimination-of-the-paris-polyphylla-var-yunnanensis-and-paris-vietnamensis-based-on-metabolite-profiling-analysis
#3
Li-Ping Kang, Yuan-Yuan Huang, Zhi-Lai Zhan, Da-Hui Liu, Hua-Sheng Peng, Tie-Gui Nan, Yuan Zhang, Qing-Xiu Hao, Jin-Fu Tang, Shou-Dong Zhu, Guang Yang, Lan-Ping Guo, Min Chen, Lu-Qi Huang
This study aimed to distinguish the rhizomes of Paris polyphylla var. yunnanensis (Franch) Hand Mazz (PPY) and Paris veitnamensis (Takht.) H. Li (PV) using metabolomics-based ultra high-performance liquid chromatography coupled with quadrupole time-of-fligh mass spectrometry (UHPLC/Q-TOF MS). First, the UHPLC/Q-TOF MS approach was optimized for metabolite profiling. Then, the MS data were processed using UNIFI™ combined with an in-house library to automatically characterize the metabolites. Based on the exact mass information, the fragmentation characteristics, and the retention time of compounds, and the fragmentation mechanism and retention behavior of steroidal glycosides in the references, the structures identified by UNIFI were further verified...
May 11, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28524049/survey-of-the-epidemiology-of-autoimmune-bullous-disorders-in-peking-union-medical-college-hospital-a-30-year-review
#4
Yu-Lu Wang, Duerna Tie, Tian-Meng Yan, Li Li, Hong-Zhong Jin, Qiuning Sun, Ya-Gang Zuo
No abstract text is available yet for this article.
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28521030/hdock-a-web-server-for-protein-protein-and-protein-dna-rna-docking-based-on-a-hybrid-strategy
#5
Yumeng Yan, Di Zhang, Pei Zhou, Botong Li, Sheng-You Huang
Protein-protein and protein-DNA/RNA interactions play a fundamental role in a variety of biological processes. Determining the complex structures of these interactions is valuable, in which molecular docking has played an important role. To automatically make use of the binding information from the PDB in docking, here we have presented HDOCK, a novel web server of our hybrid docking algorithm of template-based modeling and free docking, in which cases with misleading templates can be rescued by the free docking protocol...
May 17, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28513569/intravenous-arginine-administration-promotes-proangiogenic-cells-mobilization-and-attenuates-lung-injury-in-mice-with-polymicrobial-sepsis
#6
Chiu-Li Yeh, Man-Hui Pai, Yao-Ming Shih, Juey-Ming Shih, Sung-Ling Yeh
This study investigated the influence of intravenous arginine (Arg) administration on alteration of circulating proangiogenic cells and remote lung injury in a model of polymicrobial sepsis. Mice were assigned to one normal control group (NC) and two sepsis groups that were induced by cecal ligation and puncture (CLP). One of the sepsis groups was injected with saline (SS), whereas the other (SA) was administered with a single bolus of 300 mg Arg/kg body weight via the tail vein 1 h after CLP. Septic mice were sacrificed at either 24 or 48 h after CLP, with their blood and lung tissues collected for analysis...
May 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28506571/tumor-necrosis-factor-receptor-associated-factor-traf-6-inhibition-mitigates-the-pro-inflammatory-roles-and-proliferation-of-rheumatoid-arthritis-fibroblast-like-synoviocytes
#7
Lang-Jing Zhu, Tie-Cheng Yang, Qiang Wu, Li-Ping Yuan, Zhen-Wei Chen, Min-Hong Luo, Hai-Ou Zeng, Dong-Ling He, Cai-Ju Mo
BACKGROUND: Rheumatoid arthritis (RA) fibroblast-like synoviocytes (FLSs) play a crucial role in RA through producing inflammatory cytokines and proteases which could cause cartilage destruction. We showed previously that elevated expression of tumor necrosis factor receptor-associated factor 6 (TRAF6) in RA synovium correlated significantly with the severity of synovitis and the number of infiltrated inflammatory cells. The aims of this study are to detect the roles of TRAF6 in RA-FLSs...
May 12, 2017: Cytokine
https://www.readbyqxmd.com/read/28476495/outcomes-over-90-day-episodes-of-care-in-medicare-fee-for-service-beneficiaries-receiving-joint-arthroplasty
#8
Addie Middleton, Yu-Li Lin, James E Graham, Kenneth J Ottenbacher
BACKGROUND: In an effort to improve quality and reduce costs, payments are being increasingly tied to value through alternative payment models, such as episode-based payments. The objective of this study was to better understand the pattern and variation in outcomes among Medicare beneficiaries receiving lower extremity joint arthroplasty over 90-day episodes of care. METHODS: Observed rates of mortality, complications, and readmissions were calculated over 90-day episodes of care among Medicare fee-for-service beneficiaries who received elective knee arthroplasty and elective or nonelective hip arthroplasty procedures in 2013-2014 (N = 640,021)...
March 30, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28472139/gene-expression-profiling-in-pekin-duck-embryonic-breast-muscle
#9
Tie-Shan Xu, Li-Hong Gu, Wei Huang, Wan-Liang Xia, Yun-Sheng Zhang, Ya-Ge Zhang, Guang Rong, Kyle Schachtschneider, Shui-Sheng Hou
Lean-type Pekin duck is a breed gained through long-term selection and great effort has been exerted to understand the mechanisms underlying increased muscle yields. However, the genes involved in Pekin duck embryonic breast muscle development have not been explored to date. In this study, we investigated gene expression profiles in Pekin Duck embryonic breast muscle at hatched day 13 (E13), E19, and E27 using RNA-seq. In total, we produced 519,312,178 raw reads resulting in 497,348,158 high-quality reads after filtering...
2017: PloS One
https://www.readbyqxmd.com/read/28471735/clinical-finding-and-management-of-12-orofacial-clefts-cases-with-nevoid-basal-cell-carcinoma-syndrome
#10
Lee Mui Lee, Lian Ma, Tie Jun Li
Objective  To study the phenotype and overview the clinical management on Cleft Lip and/or Palate (CL/P) with Nevoid Basal Cell Carcinoma Syndrome (NBCCS) patients in Peking University School and Hospital of Stomatology. Design  Case series study. Main Outcome Measures  To describe the clinical phenotype of 12 CL/P with NBCCS patients who fulfilled the diagnostic criteria as well as to explore clinical management. Results  Seven cases (7/12, 58.33%) were classified as bilateral complete cleft lip and palate (BCCLP)...
May 2017: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/28469552/disrupted-topology-of-frontostriatal-circuits-is-linked-to-the-severity-of-insomnia
#11
Feng-Mei Lu, Chun-Hong Liu, Shun-Li Lu, Li-Rong Tang, Chang-Le Tie, Juan Zhang, Zhen Yuan
Insomnia is one of the most common health complaints, with a high prevalence of 30~50% in the general population. In particular, neuroimaging research has revealed that widespread dysfunctions in brain regions involved in hyperarousal are strongly correlated with insomnia. However, whether the topology of the intrinsic connectivity is aberrant in insomnia remains largely unknown. In this study, resting-state functional magnetic resonance imaging (rsfMRI) in conjunction with graph theoretical analysis, was used to construct functional connectivity matrices and to extract the attribute features of the small-world networks in insomnia...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28467388/chemistry-and-selective-tumor-cell-growth-inhibitory-activity-of-polyketides-from-the-south-china-sea-sponge-plakortis-sp
#12
Jiao Li, Cui Li, Raffaele Riccio, Gianluigi Lauro, Giuseppe Bifulco, Tie-Jun Li, Hua Tang, Chun-Lin Zhuang, Hao Ma, Peng Sun, Wen Zhang
Simplextone E (1), a new metabolite of polyketide origin, was isolated with eight known analogues (2-9) from the South China Sea sponge Plakortis sp. The relative configuration of the new compound was elucidated by a detailed analysis of the spectroscopic data and quantum mechanical calculation of NMR chemical shifts, aided by the newly reported DP4+ approach. Its absolute configuration was determined by the TDDFT/ECD calculation. Simplextone E (1) is proven to be one of the isomers of simplextone D. The absolute configuration at C-8 in alkyl chain of plakortone Q (2) was also assigned based on the NMR calculation...
May 3, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28466805/aortic-stiffness-evaluated-by-echocardiography-in-female-patients-with-takayasu-s-arteritis
#13
Yong Yang, Zhen Wang, Li-Jun Yuan, Tie-Sheng Cao, Jie Liu, Rong Ren, Yun-You Duan
OBJECTIVES: The aim of this study was to evaluate the aortic stiffness (AS) in young female patients with Takayasu's arteritis (TAK) and comparable controls by measuring carotid-femoral PWV (PWVcf) using echocardiography with pulse wave Doppler. The clinical feasibility and reproducibility of this echocardiographic method were also investigated. METHODS: Twenty-five TAK female patients (mean age 28.3±6.2 years) and 25 strictly matched healthy controls were included according to rigorous inclusion and exclusion criteria...
March 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28463067/study-on-jet-aeration-oxidation-of-magnesium-sulfite-from-magnesium-based-exhaust-gas-cleaning-system
#14
Lin Guo, Xiaojia Tang, Hui Wang, Tie Li, Weifeng Liu, Quan Liu, Yimin Zhu
Oxidation of magnesium sulfite in washing water is essential for the treatment of by-product of shipboard magnesium-based exhaust gas cleaning systems. The purpose of this study is to obtain a highly efficient magnesium sulfite oxidation technology by using the jet aeration process. Response surface methodology and central composite design were used to investigate the effects of major variables on oxidation of magnesium sulfite and optimize the oxidation conditions. The predictions of the two response functions agree well with the experimental data...
May 11, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28457936/epigallocatechin-gallate-upregulates-nrf2-to-prevent-diabetic-nephropathy-via-disabling-keap1
#15
Weixia Sun, Xiuxia Liu, Haifeng Zhang, Yanyan Song, Tie Li, Xiaona Liu, Yanze Liu, Le Guo, Fuchun Wang, Ting Yang, Weiying Guo, Junduo Wu, Hang Jin, Hao Wu
Epigallocatechin gallate (EGCG) is the most abundant and effective green tea catechin and has been reported to attenuate diabetic nephropathy (DN). However, the mechanism by which EGCG ameliorates DN, till now, has remained unclear. EGCG is known as a potent activator of nuclear factor erythroid 2-related factor 2 (NRF2), which plays a key role in cellular defense against diabetes-induced oxidative stress and in the prevention of DN. In the present study, we tested whether NRF2 is required for EGCG protection against DN...
April 27, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28452933/performance-analysis-of-global-navigation-satellite-system-signal-acquisition-aided-by-different-grade-inertial-navigation-system-under-highly-dynamic-conditions
#16
Chunxi Zhang, Xianmu Li, Shuang Gao, Tie Lin, Lu Wang
Under the high dynamic conditions, Global Navigation Satellite System (GNSS) signals produce great Doppler frequency shifts, which hinders the fast acquisition of signals. Inertial Navigation System (INS)-aided acquisition can improve the acquisition performance, whereas the accuracy of Doppler shift and code phase estimation are mainly determined by the INS precision. The relation between the INS accuracy and Doppler shift estimation error has been derived, while the relation between the INS accuracy and code phase estimation error has not been deduced...
April 28, 2017: Sensors
https://www.readbyqxmd.com/read/28446305/-establishment-of-mouse-model-of-h-2-haploidentical-hematopoietic-stem-cell-transplantation-from-double-donors
#17
Xiao-Na Wang, Yu-Meng Liang, Lei Deng, Lu Wang, Yi Wang, Ya-Jing Huang, Tie-Qiang Liu, Hong-Li Zuo, Kai-Xun Hu, Jian-Hui Qiao, Qi-Yun Sun, Mei Guo, Hui-Sheng Ai, Chang-Lin Yu
OBJECTIVE: To establish a new mouse model of H-2 haploidentical stem cell transplantation from double donors (DHSCT) and compare with conventional haploidentical hematopoietic stem cell transplantation (HSCT) so as to alleviate transplant-related complications. METHODS: The recipients CB6F1 of conventional HSCT group were pretreated by 8 Gy total body irradiation(TBI), and received 3×10(7) donor (male C57) spleen mononuclear cells (spMNC) mobilized by G-CSF within 2 hours after TBI...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28444157/risk-of-congenital-syphilis-following-treatment-of-maternal-syphilis-results-of-a-congenital-syphilis-control-program-in-china
#18
Fu-Chang Hong, Xiao-Bing Wu, Fan Yang, Li-Na Lan, Yang Guan, Chun-Lai Zhang, Tie-Jian Feng, Ying-Zhou Yang, Yue-Ping Yin, Wei-Ye Yu, Xiang-Sheng Chen
Background.: Early screening for syphilis among pregnant women and the effective treatment of maternal syphilis is fundamental to prevent congenital syphilis (CS). Methods.: We obtained data from the Shenzhen Program for Prevention of Congenital Syphilis (SPPCS) and estimated incidence rates of CS among infants born to syphilis-seropositive women treated with different regimens or untreated for maternal syphilis. Results.: 4746 matched cases of syphilis-seropositive mothers and their infants were included for analyses and 162 infants were diagnosed with CS, providing an overall incidence of 3...
April 21, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28437972/integration-of-bow-tie-plasmonic-nano-antennas-on-tapered-fibers
#19
Abdul Khaleque, Evgeny G Mironov, Jonas H Osório, Ziyuan Li, Cristiano M B Cordeiro, Liming Liu, Marcos A R Franco, Jong-Leng Liow, Haroldo T Hattori
In this article, a new and flexible approach to control the electric field enhancement of bow-tie nano-antennas by integrating them on the lateral of a tapered optical fiber is proposed. The device is driven by a Q-switched laser and the performance of a fabricated nano-antenna in a quartz slide is tested by a Surface Enhanced Raman Scattering (SERS) experiment. A refractive index sensing experiment is also performed and a sensitivity of (240 ± 30) nm/RIU is found in the 1.33-1.35 index range.
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28436323/new-germplasms-of-the-culinary-medicinal-button-mushroom-agaricus-bisporus-agaricomycetes-two-wild-strains-from-the-tibetan-plateau-china
#20
Bin-Bin Li, Si-Ping Jiang, Ai-Guo Xu, Phurbu Dorji, Wen-Jing Wang, Xiao-Liang Wang, Tie-Zheng Wei, Zu-Tang Zhang, Yi-Jian Yao
Agaricus bisporus is one of the most important commercially cultivated culinary-medicinal mushrooms worldwide. In China, most of the cultivated strains of the fungus were introduced from other countries and cultivated in the eastern provinces. In this study, 2 wild strains of A. bisporus, 2091 and 2094, isolated from fresh specimens collected from the Tibetan Plateau, were domesticated and cultivated alongside a commercial hybrid strain, As2796, in Lhasa, China, for comparison in order to provide new germplasms for cultivation...
2017: International Journal of Medicinal Mushrooms
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