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  • Open Access

    ARTICLE

    Knockdown of Ubiquitin-Specific Protease 14 (USP14) Inhibits the Proliferation and Tumorigenesis in Esophageal Squamous Cell Carcinoma Cells

    Jin Zhang, Danjie Zhang, Liangzhang Sun

    Oncology Research, Vol.25, No.2, pp. 249-257, 2017, DOI:10.3727/096504016X693164

    Abstract Ubiquitin-specific protease 14 (USP14), one of three proteasome-associated deubiquitinating enzymes (DUBs), plays an essential role in the development of human carcinoma. However, to the best of our knowledge, the role of USP14 in esophageal squamous cell carcinoma (ESCC) is unknown. In the current study, we investigated the expression and role of USP14 in ESCC. Our results showed that the level of USP14 was significantly increased in ESCC tissues and cell lines. Downregulation of USP14 significantly inhibited ESCC cell proliferation and ESCC tumor growth in nude mice. Downregulation of USP14 also suppressed the migration/invasion in ESCC More >

  • Open Access

    ARTICLE

    Knockdown of Collagen Triple Helix Repeat Containing 1 (CTHRC1) Inhibits Epithelial–Mesenchymal Transition and Cellular Migration in Glioblastoma Cells

    Jianpeng Liu*, Wei Li, Shunshun Liu*, Xu Zheng*, Lin Shi*, Weitao Zhang*, Hongfa Yang*

    Oncology Research, Vol.25, No.2, pp. 225-232, 2017, DOI:10.3727/096504016X14732772150587

    Abstract Collagen triple helix repeat containing 1 (CTHRC1), an extracellular matrix-related protein, has been found to be upregulated in many solid tumors and contributes to tumorigenesis. We found that CTHRC1 is overexpressed in glioblastoma tissues and cells. By using the technique of RNA interference, the expression of CTHRC1 in the human glioblastoma U-87MG cell line was downregulated, and the proliferation and migration of U-87MG cells were examined. The results showed that the knockdown of CTHRC1 exerts inhibitory effects on the proliferation and migration ability of U-87MG cells. Knockdown of CTHRC1 expression in U-87MG cells resulted in More >

  • Open Access

    ARTICLE

    miR-202 Promotes Cell Apoptosis in Esophageal Squamous Cell Carcinoma by Targeting HSF2

    Xiangrui Meng*1, Xiaoqi Chen†1, Peng Lu, Wang Ma*, Dongli Yue*, Lijie Song*, Qingxia Fan*

    Oncology Research, Vol.25, No.2, pp. 215-223, 2017, DOI:10.3727/096504016X14732772150541

    Abstract Esophageal squamous cell carcinoma (ESCC) is one of the most common malignant cancers with high mortality around the world. However, the regulatory mechanism of ESCC carcinogenesis is not completely known. Here we demonstrate the novel role of miR-202 in regulating ESCC cell apoptosis. The analysis of data obtained from the GEO database showed that the expression of miR-202 is aberrantly decreased in tumor tissue from ESCC patients and cultured ESCC cell lines. After transfection with miR-202 mimic or inhibitor, the apoptotic capacity of ESCC cells was significantly increased by miR-202 overexpression but reduced by miR-202… More >

  • Open Access

    ARTICLE

    Identification of Sensitivity Predictors of Neoadjuvant Chemotherapy for the Treatment of Adenocarcinoma of Gastroesophageal Junction

    Shoumiao Li*†, Baozhong Li, Jiaxiang Wang*, Da Zhang*, Zhiqiang Liu, Zhizhong Zhang, Wei Zhang, Yunjie Wang, Dongxiao Bai, Jianyun Guan, Yong Zhang

    Oncology Research, Vol.25, No.1, pp. 93-97, 2017, DOI:10.3727/096504016X14719078133564

    Abstract The identification of reliable predictors of chemotherapy sensitivity and early screening of adenocarcinoma of gastroesophageal junction (AGEJ) patients who are resistant to chemotherapy has become an important area of clinical and translational research. We aimed to investigate the predictive value of seven cancerassociated cellular proteins for neoadjuvant chemotherapy in AGEJ patients. Clinical data of 93 patients who received neoadjuvant chemotherapy for locally advanced AGEJ between June 2010 and December 2014 were reviewed. All patients were administered the combination regimen of S-1 and oxaliplatin (SOX). Expression of P-glycoprotein (P-gp), glutathione S-transferase-p (GST-π), topoisomerase II (topo II),… More >

  • Open Access

    ARTICLE

    COMPUTATIONAL FLUID DYNAMICS SIMULATION OF THE THERMAL UNIFORMITY IN CATALYTIC MICRO-COMBUSTORS

    Junjie Chen* , Wenya Song, Deguang Xu

    Frontiers in Heat and Mass Transfer, Vol.8, pp. 1-10, 2017, DOI:10.5098/hmt.8.21

    Abstract The combustion and heat transfer characteristics of hydrogen-air or methane-air mixtures in catalytic micro-combustors were studied numerically to assess the impact of wall thermal properties and key operation parameters on the thermal uniformity. A two-dimensional computational fluid dynamics (CFD) model was developed with detailed hetero-/homogeneous chemistry, heat conduction within the solid wall, surface radiation heat transfer, and external heat losses. Parametric studies were carried out to investigate the effect of wall thermal conductivity, feed composition, and flow rate on the thermal uniformity during highly exothermic catalytic reactions. Comparisons of hydrogen- with methane-air systems were made.… More >

  • Open Access

    ARTICLE

    EXPERIMENTAL STUDY ON WATER CURTAIN FIGHTING FIRE BASED ON INFRARED TECHNIQUE

    Hui Zhong, Guohua Chen* , Saihua Jiang

    Frontiers in Heat and Mass Transfer, Vol.8, pp. 1-5, 2017, DOI:10.5098/hmt.8.17

    Abstract Infrared radiation is a type of electromagnetic radiation and invisible to human eyes. It is used widely in industrial, scientific, and medical applications. Pool fire is an emergent accident, which emits intense thermal radiation. In order to quantify the performance of water curtain fighting fire, a testing platform is built and experimental studies are carried out. An infrared imager is used to acquire real-time experimental data and respond to the variations of flame in time and space dimensions. Experimental principles and operating procedures are described in detail. The transmissivity is used to quantify the performance More >

  • Open Access

    ARTICLE

    NUMERICAL ANALYSIS OF NOX PRODUCTION UNDER THE AIR STAGED COMBUSTION

    Xiangcun Qia , Mo Yanga,* , Yuwen Zhangb

    Frontiers in Heat and Mass Transfer, Vol.8, pp. 1-8, 2017, DOI:10.5098/hmt.8.3

    Abstract The formation of thermal NO and fuel type NO emission under the air staged combustion in a tower pulverized coal fired boiler that burners are arranged in the front and the rear wall are investigated in this paper. Effects of the distribution of oxygen in the main combustion zone on NOX are then analyze qualitatively. The results show that when the SOFA ratio is 34.98%, NOX yield is at the minimum; thermal NO is not only related to temperature, but also by the influence of oxygen distribution. When oxygen is more and the temperature is high,… More >

  • Open Access

    ARTICLE

    RELATIVE SLIP AMOUNT DEPENDENT ON THE INTERFACIAL SHEAR STRENGTH IN A NANO CHANNEL

    Linyue Guan, Mingjun Pang, Hui Wang, Xuedong Jiang, Yongbin Zhang*

    Frontiers in Heat and Mass Transfer, Vol.9, pp. 1-5, 2017, DOI:10.5098/hmt.9.12

    Abstract The paper presents an analysis for the relative slip amount related to the fluid-wall interfacial shear strength in a nano channel formed by two parallel smooth solid planes sliding against one another. A closed-form equation formulation for the relative slip amount was obtained. It was shown that the relative slip amount is constant in the inlet zone of the channel, where the interfacial slippage occurs. This substantiates the assumption made in the analysis of this kind of channel as shown in the study by Zhang (2015). It was also shown that with the increases of More >

  • Open Access

    ARTICLE

    Impact of standardized clinical assessment and management plans on resource utilization and costs in children after the arterial switch operation

    Rahul H. Rathod1,2, Brittney Jurgen1,2, Rose A. Hamershock3, Kevin G. Friedman1,2, Audrey C. Marshall1,2, Mihail Samnaliev4, Dionne A. Graham3, Kathy Jenkins1,2, James E. Lock1,2, Andrew J. Powell1,2

    Congenital Heart Disease, Vol.12, No.6, pp. 768-776, 2017, DOI:10.1111/chd.12508

    Abstract Background: Standardized Clinical Assessment and Management Plans (SCAMPs) are a quality improvement initiative designed to reduce unnecessary utilization, decrease practice variation, and improve patient outcomes. We created a novel methodology, the SCAMP managed episode of care (SMEOC), which encompasses multiple encounters to assess the impact of the arterial switch operation (ASO) SCAMP on total costs.
    Methods: All ASO SCAMP patients (dates March 2009 to July 2015) were compared to a control group of ASO patients (January 2001 to February 2009). Patients were divided into “younger” (<2 years) and “older” (2–18 years) subgroups. Utilization included all cardiology visits,… More >

  • Open Access

    ARTICLE

    Current practices are variable in the evaluation and management of patients with anomalous aortic origin of a coronary artery: Results of a survey

    Hitesh Agrawal1,2, Carlos M. Mery1,3, Patrick E. Day4, S. Kristen Sexson Tejtel1,2, E. Dean McKenzie1,3,5, Charles D. Fraser Jr1,3, Athar M. Qureshi1,2, Silvana Molossi1,2

    Congenital Heart Disease, Vol.12, No.5, pp. 610-614, 2017, DOI:10.1111/chd.12511

    Abstract Background: Anomalous aortic origin of a coronary artery (AAOCA) is the second leading cause of sudden cardiac death in young athletes in the USA. Long-term outcome data for these patients are lacking to date. There is insufficient knowledge on the best approach to these patients and they are managed in a nonuniform manner.
    Methods: An online survey of 15 questions regarding management of AAOCA was sent out to 198 cardiac healthcare providers. The goal was to define gaps in knowledge to justify a dedicated scientific forum for discussion of AAOCA. Descriptive statistics were performed.
    Results: A total of… More >

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