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https://www.readbyqxmd.com/read/28110075/tlr9-mediated-regulatory-b10-cell-amplification-following-sub-total-body-irradiation-implications-in-attenuating-eae
#1
Jinsheng Hong, Jie Fang, Ruilong Lan, Qi Tan, Yeping Tian, Mei Zhang, Paul Okunieff, Lurong Zhang, Jianhua Lin, Deping Han
Autoimmunity and inflammation are controlled in part by regulatory B (Breg) cells, including the recently identified IL-10-competent B10 cell subset that represents 1%-3% of mouse spleen B cells. In this study, the influence of irradiation on Breg/B10 cell generation and IL-10 production mediated by TLR9 signaling pathways was investigated. Spleen and peritoneal cavity Breg/B10 cell frequencies were significantly expanded three weeks after sub-total body irradiation (sub-TBI, 5Gy or 10Gy) in adult male wild type (WT) C57BL/6(B6) mice but not in TLR9(-/-) mice...
January 18, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28109948/design-and-synthesis-of-novel-tetrandrine-derivatives-as-potential-anti-tumor-agents-against-human-hepatocellular-carcinoma
#2
Junjie Lan, Ning Wang, Lan Huang, Yazhou Liu, Xiaopan Ma, Huayong Lou, Chao Chen, Yibin Feng, Weidong Pan
Tetrandrine, a lead anti-tumor compound with a bis-benzyltetrahydroisoquinoline skeleton isolated from medicinal plant Stephania tetrandra. In order to obtain active anti-tumor agents and evaluate their structure-activity relationships, a series of novel tetrandrine derivatives were designed and synthesized in this study. Their anti-tumor activities against human hepatocellular carcinoma cell lines (HMCC97L and PLC/PRF/5) were also evaluated. The bioassay results showed that the derivatives exhibited moderate to strong inhibition against the two cell lines...
January 7, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28109898/composite-particles-based-on-particle-engineering-for-direct-compaction
#3
REVIEW
Zhe Li, Xiao Lin, Lan Shen, YanLong Hong, Yi Feng
Direct compaction (DC) is the preferred method for tablet production. However, only a minority of the active pharmaceutical ingredients (APIs) can be truly manufactured into tablets by DC so far due to that most of APIs lack sufficient functional properties required for DC. Particle engineering with co-processing provides a promising way to obtain various composite API and/or excipient particles with markedly improved functional properties, which makes successful tableting of them by DC possible. This review, as an informative update and supplement, covers the improvement of functional properties of composite API and/or excipient particles via co-processing based on recent developments and researches in the area of particle engineering for DC...
January 18, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28109867/interactions-between-interleukin-6-and-myeloid-derived-suppressor-cells-drive-the-chemoresistant-phenotype-of-hepatocellular-cancer
#4
Min Xu, Zhongwei Zhao, Jingjing Song, Xilin Lan, Siming Lu, Minjiang Chen, Zufei Wang, Weiqian Chen, Xiaoxi Fan, Fazong Wu, Li Chen, Jianfei Tu, Jiansong Ji
Emerging evidence implicates an important role for myeloid-derived suppressor cells (MDSCs) in tumor growth, angiogenesis and metastasis. However, limited knowledge is known about the function of MDSCs in response to chemotherapies. In this study, we find that drug-resistant hepatocellular cancer (HCC) cells-derived conditioned medium significantly enhances the expansion and immunosuppressive function of MDSCs compared to their parental sensitive cells, which is demonstrated by increased level of arginase, nitric oxide (NO), and reactive oxygen species (ROS)...
January 18, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28109773/exploring-polyvinylpyrrolidone-in-the-engineering-of-large-porous-plga-microparticles-via-single-emulsion-method-with-tunable-sustained-release-in-the-lung-in-vitro-and-in-vivo-characterization
#5
Rui Ni, Uwe Muenster, Jing Zhao, Lan Zhang, Eva-Maria Becker-Pelster, Martin Rosenbruch, Shirui Mao
Sustained pulmonary drug delivery is regarded as an effective strategy for local treatment of chronic lung diseases. Despite of the progress made so far, there remains a need for respirable drug loaded porous microparticles, where porosity of the microparticles can be readily engineered during the preparation process, with tunable sustained drug release upon lung deposition. In this work, polyvinyl pyrrolidone (PVP) was used as a novel porogen to engineer PLGA-based large porous particles (LPPs) using single emulsion method, with fine tuning of the porosity, sustained drug release both in vitro and in vivo...
January 18, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28109100/-claudin-3-expression-in-colorectal-carcinoma-and-its-significance
#6
Jing-Yi Li, Fang Xie, Xiao-Ping Xu, Juan-Juan Ma, Dai-Chao Zhou, Yan Liao, Jing Tang, Qian Xie, Lan Bai, Qing-Zhen Nan
OBJECTIVE: To investigate the expression of claudin-3 in colorectal carcinoma and its association with the occurrence, progression and prognosis of colorectal cancer. METHODS: Forty surgical specimens of colorectal carcinoma and 22 adjacent normal tissues resected between October, 2010 and January, 2013 at Nanfang Hospital were examined for claudin-3 expression using immunohistochemistry, which was analyzed in association with the clinicopathological parameters and the survival of the patients...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28108922/association-between-heavy-metal-and-metalloid-levels-in-topsoil-and-cancer-mortality-in-spain
#7
Olivier Núñez, Pablo Fernández-Navarro, Iván Martín-Méndez, Alejandro Bel-Lan, Juan F Locutura Rupérez, Gonzalo López-Abente
Spatio-temporal cancer mortality studies in Spain have revealed patterns for some tumours which display a distribution that is similar across the sexes and persists over time. Such characteristics would be common to tumours that shared risk factors, including the geochemical composition of the soil. The aim of this study was to assess the possible association between heavy metal and metalloid levels in topsoil (upper soil horizon) and cancer mortality in mainland Spain. Ecological cancer mortality study at a municipal level, covering 861,440 cancer deaths (27 different tumour locations) in 7917 Spanish mainland towns, from 1999 to 2008...
January 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28108732/fak-regulates-e-cadherin-expression-via-p-srcy416-p-erk1-2-p-stat3y705-and-ppar%C3%AE-mir-125b-stat3-signaling-pathway-in-b16f10-melanoma-cells
#8
Guoshun Pei, Yan Lan, Dianhua Chen, Lina Ji, Zi-Chun Hua
Focal adhesion kinase (FAK) is involved in tumor cell migration and metastasis. However, the underlying mechanism remains unclear. Here, we present a signaling pathway involved in the regulation of melanoma cell migration by FAK. We found that the interference of FAK expression suppressed B16F10 cell migration/metastasis, and altered the expressions of genes involved in melanoma migration/metastasis. The down-regulation of FAK inhibited the expression of p-SrcY416, p-ERK1/2, Stat3 and p-Stat3Y705, while promoted the expression of PPARγ, miR-125b and E-cadherin...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28108251/discovery-of-7-3-piperazin-1-yl-phenyl-pyrrolo-2-1-f-1-2-4-triazin-4-amine-derivatives-as-highly-potent-and-selective-pi3k%C3%AE-inhibitors
#9
Lan-Ying Qin, Zheming Ruan, Robert J Cherney, T G Murali Dhar, James Neels, Carolyn A Weigelt, John S Sack, Anurag S Srivastava, Lyndon A M Cornelius, Joseph A Tino, Kevin Stefanski, Xiaomei Gu, Jenny Xie, Vojkan Susulic, Xiaoxia Yang, Melissa Yarde-Chinn, Stacey Skala, Ruth Bosnius, Christine Goldstein, Paul Davies, Stefan Ruepp, Luisa Salter-Cid, Rajeev S Bhide, Michael A Poss
As demonstrated in preclinical animal models, the disruption of PI3Kδ expression or its activity leads to a decrease in inflammatory and immune responses. Therefore, inhibition of PI3Kδ may provide an alternative treatment for autoimmune diseases, such as RA, SLE, and respiratory ailments. Herein, we disclose the identification of 7-(3-(piperazin-1-yl)phenyl)pyrrolo[2,1-f][1,2,4]triazin-4-amine derivatives as highly potent, selective and orally bioavailable PI3Kδ inhibitors. The lead compound demonstrated efficacy in an in vivo mouse KLH model...
January 10, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28108243/tpx2-as-a-prognostic-indicator-and-potential-therapeutic-target-in-clear-cell-renal-cell-carcinoma
#10
Zachary A Glaser, Harold D Love, Shunhua Guo, Lan Gellert, Sam S Chang, Stanley Duke Herrell, Daniel A Barocas, David F Penson, Michael S Cookson, Peter E Clark
OBJECTIVES: Our aims were to determine if targeting protein for Xklp2 (TPX2) is correlated with clear cell renal cell carcinoma (ccRCC) histology and oncologic outcomes using The Cancer Genome Atlas (TCGA) and an institutional tissue microarray (TMA). METHODS: Clinicopathological data obtained from the TCGA consisted of 415 samples diagnosed with ccRCC. A TMA was constructed from tumors of 207 patients who underwent radical nephrectomy for ccRCC. TPX2 expression by immunohistochemistry on TMA was assessed by a genitourinary pathologist...
January 17, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28108241/levator-alae-nasi-muscle-v-y-island-flap-for-nasal-tip-reconstruction
#11
Simone La Padula, Vincenzo Abbate, Gianluca Di Monta, Fabrizio Schonauer
Nasal tip reconstruction can be very challenging. It requires close attention to skin texture, colour and thickness matching, with the respect of the nasal aesthetic units and symmetry. Flaps are usually preferred to skin grafts where possible. Based on different donor areas, various flaps have been described for reconstruction of this region. Here we present a new V-Y myocutaneous island flap based on the levator alae nasi muscle (LAN muscle) blood supply. This flap may represent an alternative to the nasalis myocutaneous sliding V-Y flap previously described by Rybka...
December 21, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28108164/assessment-of-co-benefits-of-vehicle-emission-reduction-measures-for-2015-2020-in-the-pearl-river-delta-region-china
#12
Yong-Hong Liu, Wen-Yuan Liao, Xiao-Fang Lin, Li Li, Xue-Lan Zeng
Vehicle emissions have become one of the key factors affecting the urban air quality and climate change in the Pearl River Delta (PRD) region, so it is important to design policies of emission reduction based on quantitative Co-benefits for air pollutants and greenhouse gas (GHG). Emissions of air pollutants and GHG by 2020 was predicted firstly based on the no-control scenario, and five vehicle emissions reduction scenarios were designed in view of the economy, technology and policy, whose emissions reduction were calculated...
January 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28108002/reduced-order-model-based-active-disturbance-rejection-control-of-hydraulic-servo-system-with-singular-value-perturbation-theory
#13
Chengwen Wang, Long Quan, Shijie Zhang, Hongjun Meng, Yuan Lan
Hydraulic servomechanism is the typical mechanical/hydraulic double-dynamics coupling system with the high stiffness control and mismatched uncertainties input problems, which hinder direct applications of many advanced control approaches in the hydraulic servo fields. In this paper, by introducing the singular value perturbation theory, the original double-dynamics coupling model of the hydraulic servomechanism was reduced to a integral chain system. So that, the popular ADRC (active disturbance rejection control) technology could be directly applied to the reduced system...
January 17, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28107815/upfront-haploidentical-transplant-for-acquired-severe-aplastic-anemia-registry-based-comparison-with-matched-related-transplant
#14
Lan-Ping Xu, Song Jin, Shun-Qing Wang, Ling-Hui Xia, Hai Bai, Su-Jun Gao, Qi-Fa Liu, Jian-Min Wang, Xin Wang, Ming Jiang, Xi Zhang, De-Pei Wu, Xiao-Jun Huang
BACKGROUND: Haploidentical donor (HID) hematopoietic stem cell transplantation (HSCT) is an alternative treatment method for severe aplastic anemia (SAA) patients lacking suitable identical donors and those who are refractory to immunosuppressive therapy (IST). The current study evaluated the feasibility of upfront haploidentical HSCT in SAA patients. METHODS: We conducted a multicenter study based on a registry database. One hundred fifty-eight SAA patients who underwent upfront transplantation between June 2012 and September 2015 were enrolled...
January 21, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28107397/efficacy-and-safety-of-everolimus-for-maintenance-immunosuppression-of-kidney-transplantation-a-meta-analysis-of-randomized-controlled-trials
#15
Jinyu Liu, Dong Liu, Juan Li, Lan Zhu, Chengliang Zhang, Kai Lei, Qiling Xu, Ruxu You
BACKGROUND: Conversion to everolimus is often used in kidney transplantation to overcome calcineurin inhibitor (CNI) nephrotoxicity but there is conflicting evidence for this approach. OBJECTIVES: To investigate the benefits and harm from randomized clinical trials (RCTs) involving the conversion from CNI to everolimus after kidney transplantation. METHODS: Databases were searched up to March 2016. Two reviewers independently assessed trials for eligibility and quality, and extracted data...
2017: PloS One
https://www.readbyqxmd.com/read/28107187/peripheral-blood-lymphocyte-to-monocyte-ratio-recovery-from-low-levels-at-diagnosis-after-completion-of-first-line-therapy-predicts-good-clinical-outcomes-in-patients-with-diffuse-large-b-cell-lymphoma
#16
Shujuan Zhou, Linglong Xu, Yongyong Ma, Liyuan Tang, Yu Zhang, Yifen Shi, Lan Sun, Yi Chen, Bin Liang, Yuhong Zhou, Kang Yu, Jianping Shen
We retrospectively analyzed LMR at diagnosis and at completion of first-line therapy and prognosis in173 patients with DLBCL from 2005 to 2016. We found that patients with an LMR < 3.2 at diagnosis, as well as at completion of first-line therapy, had significantly lower PFS and OS rates than those with an LMR ≥ 3.2 (P<0.05). Patients with LMR that recovered from the low level at diagnosis showed superior overall survival (OS) (P=0.000) and progression-free survival (PFS) (P=0.001) compared with patients who failed to achieve a higher value at the completion of therapy...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28106344/fast-separation-of-flavonoids-by-supercritical-fluid-chromatography-using-a-column-packed-with-a-sub-2%C3%A2-%C3%AE-m-particle-stationary-phase
#17
Bo Wang, Xiao-Hua Liu, Wei Zhou, Yan Hong, Shi-Lan Feng
The purpose of this study was to compare the effects of different chromatographic columns for the separation of seven flavonoids. Four different stationary phases are available, including BEH, BEH 2-EP, CSH fluorophenyl and HSS C18 SB. The analytes included calycosin, genistein, medicarpin, calycosin-7-O-β-d-glucoside, formononetin, formononetin-7-O-β-d-glucoside and liquiritigenin. The CSH fluorophenyl column was determined to be the most suitable and provided the fastest separation within 17 min using gradient elution with carbon dioxide as the mobile phase and methanol as the co-solvent...
January 20, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28106341/photocontrolled-extraction-of-uric-acid-from-biological-samples-based-on-photoresponsive-surface-molecularly-imprinted-polymer-microspheres
#18
Cheng-Bin Gong, Zai-Yong Li, Lan-Tao Liu, Yu-Bu Wei, Xia Yang, Cheuk-Fai Chow, Qian Tang
We aim to develop novel photoresponsive surface molecularly imprinted polymer microspheres, a SiO2 -surface molecularly imprinted polymer, for the photocontrolled extraction of uric acid from biological samples. The SiO2 -surface molecularly imprinted polymer was prepared on silica microspheres by surface polymerization and characterized by using scanning electron microscopy, transmission electron microscopy, FTIR spectroscopy, thermogravimetric analysis, nitrogen adsorption-desorption analysis, and UV-visible spectroscopy...
January 20, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28106309/transposable-elements-tes-contribute-to-stress-related-long-intergenic-noncoding-rnas-in-plants
#19
Dong Wang, Zhipeng Qu, Lan Yang, Qingzhu Zhang, Zhi-Hong Liu, Trung Do, David L Adelson, Zhen-Yu Wang, Iain Searle, Jian-Kang Zhu
Noncoding RNAs have been extensively described in plant and animal transcriptomes by using high-throughput sequencing technology. Of these non-coding RNAs, a growing number of long intergenic noncoding RNAs (lincRNAs) have been described in multicellular organisms, however the origins and functions of many lincRNAs remain to be explored. In many eukaryotic genomes, transposable elements (TEs) are widely distributed and often account for large fractions of plant and animal genomes yet the contribution of TEs to lincRNAs is largely unknown...
January 20, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28106303/porous-one-dimensional-nanomaterials-design-fabrication-and-applications-in-electrochemical-energy-storage
#20
REVIEW
Qiulong Wei, Fangyu Xiong, Shuangshuang Tan, Lei Huang, Esther H Lan, Bruce Dunn, Liqiang Mai
Electrochemical energy storage technology is of critical importance for portable electronics, transportation and large-scale energy storage systems. There is a growing demand for energy storage devices with high energy and high power densities, long-term stability, safety and low cost. To achieve these requirements, novel design structures and high performance electrode materials are needed. Porous 1D nanomaterials which combine the advantages of 1D nanoarchitectures and porous structures have had a significant impact in the field of electrochemical energy storage...
January 20, 2017: Advanced Materials
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