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https://www.readbyqxmd.com/read/28110480/casubtype-an-r-package-to-identify-gene-sets-predictive-of-cancer-subtypes-and-clinical-outcomes
#1
Hualei Kong, Pan Tong, Xiaodong Zhao, Jielin Sun, Hua Li
In the past decade, molecular classification of cancer has gained high popularity owing to its high predictive power on clinical outcomes as compared with traditional methods commonly used in clinical practice. In particular, using gene expression profiles, recent studies have successfully identified a number of gene sets for the delineation of cancer subtypes that are associated with distinct prognosis. However, identification of such gene sets remains a laborious task due to the lack of tools with flexibility, integration and ease of use...
January 21, 2017: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/28110325/nesting-ecology-of-a-small-montane-population-of-the-nigerian-cameroon-chimpanzee-pan-troglodytes-ellioti-in-nigeria
#2
Paul Dutton, Elena Moltchanova, Hazel Chapman
Understanding nest site choice by chimpanzees has implications for ecology, anthropology, and in the collection of census data, yet it remains controversial. Here we provide the first information on environmental factors affecting nest site choice in a montane population of the rare and relatively understudied Nigerian/Cameroon chimpanzee (Pan troglodytes ellioti) in Ngel Nyaki Forest Reserve, Nigeria. The forest is small, isolated, and visited by researchers, community members, and hunters. We also tested the hypothesis that people (researchers) walking along forest trails collecting data on a regular basis since 2005 will have changed nesting behaviour in the vicinity of the trails...
January 21, 2017: Folia Primatologica; International Journal of Primatology
https://www.readbyqxmd.com/read/28110229/aerobic-granular-sludge-inoculated-microbial-fuel-cells-for-enhanced-epoxy-reactive-diluent-wastewater-treatment
#3
Kai Cheng, Jingping Hu, Huijie Hou, Bingchuan Liu, Qin Chen, Keliang Pan, Wenhong Pu, Jiakuan Yang, Xu Wu, Changzhu Yang
Microbial consortiums aggregated on the anode surface of microbial fuel cells (MFCs) are critical factors for electricity generation as well as biodegradation efficiencies of organic compounds. Here in this study, aerobic granular sludge (AGS) was assembled on the surface of the MFC anode to form an AGS-MFC system with superior performance on epoxy reactive diluent (ERD) wastewater treatment. AGS-MFCs successfully shortened the startup time from 13d to 7d compared to the ones inoculated with domestic wastewater...
January 4, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28110025/do-the-complications-increased-in-the-anterolateral-right-side-approach-to-treat-the-cervical-degenerative-disorders
#4
Zhaoyu Ba, Fumin Pan, Xiaoming Liu, Jianguang Zhu, Desheng Wu
The dysphagia and recurrent laryngeal nerve (RLN) palsy are the most common complications of the patients who underwent anterior cervical surgery in the current literature. These morbidities have led to the study of the impact of sidedness in anterior cervical spine surgery. However, many reports documented the left-side was more effective and safe than right-side based on the anatomy. So the right-side approach is more challenging. We retrospectively study 503 patients with cervical degenerative diseases who underwent cervical spinal surgery using anterolateral right-side approach in our spine center from September 1999 to December 2012 and evaluate the efficient and safety of the anterolateral right-side approach to treat the cervical degenerative diseases...
January 18, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28109982/altered-glutamate-metabolism-contributes-to-antiepileptogenic-effects-in-the-progression-from-focal-seizure-to-generalized-seizure-by-low-frequency-stimulation-in-the-ventral-hippocampus
#5
Hong-Liu Sun, Wei Zhu, Yu-Rong Zhang, Xiao-Hong Pan, Jun-Ru Zhang, Xiang-Ming Chen, Yu-Xia Liu, Shu-Cui Li, Qiao-Yun Wang, Da-Ping Deng
As a promising method for treating intractable epilepsy, the inhibitory effect of low-frequency stimulation (LFS) is well known, although its mechanisms remain unclear. Excessive levels of cerebral glutamate are considered a crucial factor for epilepsy. Therefore, we designed experiments to investigate the crucial parts of the glutamate cycle. We evaluated glutamine synthetase (GS, metabolizes glutamate), glutaminase (synthesizes glutamate), and glutamic acid decarboxylase (GAD, a γ-aminobutyric acid [GABA] synthetase) in different regions of the brain, including the dentate gyrus (DG), CA3, and CA1 subregions of the hippocampus, and the cortex, using western blots, immunohistochemistry, and enzyme activity assays...
January 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28109948/design-and-synthesis-of-novel-tetrandrine-derivatives-as-potential-anti-tumor-agents-against-human-hepatocellular-carcinoma
#6
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/28109794/mir-29a-expressions-in-peripheral-blood-mononuclear-cell-and-cerebrospinal-fluid-diagnostic-value-in-patients-with-pediatric-tuberculous-meningitis
#7
Deng Pan, Miao Pan, Yu-Ming Xu
To evaluate the value of miR-29a expression in peripheral blood mononuclear cell (PBMC) and cerebrospinal fluid (CSF) in the diagnosis of pediatric tuberculous meningitis (TBM). Our study enrolled 112 children with TBM and 130 healthy children, from which PBMC and CSF were collected. The quantitative real-time polymerase chain reaction (qRT-PCR) was used to measure the expression of miR-29a in PBMC and CSF, and then analyze the diagnostic value. Compared with control group, the miR-29a expressions in PBMC and CSF were increased in TBM children (both P <0...
January 18, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28109313/can-an-educational-podcast-improve-the-ability-of-parents-of-primary-school-children-to-assess-the-reliability-of-claims-made-about-the-benefits-and-harms-of-treatments-study-protocol-for-a-randomised-controlled-trial
#8
Daniel Semakula, Allen Nsangi, Matt Oxman, Astrid Austvoll-Dahlgren, Sarah Rosenbaum, Margaret Kaseje, Laetitia Nyirazinyoye, Atle Fretheim, Iain Chalmers, Andrew D Oxman, Nelson K Sewankambo
BACKGROUND: Claims made about the effects of treatments are very common in the media and in the population more generally. The ability of individuals to understand and assess such claims can affect their decisions and health outcomes. Many people in both low- and high-income countries have inadequate aptitude to assess information about the effects of treatments. As part of the Informed Healthcare Choices project, we have prepared a series of podcast episodes to help improve people's ability to assess claims made about treatment effects...
January 21, 2017: Trials
https://www.readbyqxmd.com/read/28109297/effects-of-phenolic-constituents-of-daylily-flowers-on-corticosterone-and-glutamate-treated-pc12-cells
#9
Huan Tian, Fei-Fei Yang, Chun-Yu Liu, Xin-Min Liu, Rui-Le Pan, Qi Chang, Ze-Sheng Zhang, Yong-Hong Liao
BACKGROUND: Daylily flowers, the flower and bud parts of Hemerocallis citrina or H. fulva, are well known as Wang-You-Cao in Chinese, meaning forget-one's sadness plant. However, the major types of active constituents responsible for the neurological effects remain unclear. This study was to examine the protective effects of hydroalcoholic extract and fractions and to identify the active fractions. METHODS: The extract of daylily flowers was separated with AB-8 resin into different fractions containing non-phenolic compounds, phenolic acid derivatives and flavonoids as determined using UPLC-DAD chromatograms...
January 21, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28109279/a-comparative-analysis-of-centralized-waiting-lists-for-patients-without-a-primary-care-provider-implemented-in-six-canadian-provinces-study-protocol
#10
Mylaine Breton, Michael Green, Sara Kreindler, Jason Sutherland, Jalila Jbilou, Sabrina T Wong, Jay Shaw, Valorie A Crooks, Damien Contandriopoulos, Mélanie Ann Smithman, Astrid Brousselle
BACKGROUND: Having a regular primary care provider (i.e., family physician or nurse practitioner) is widely considered to be a prerequisite for obtaining healthcare that is timely, accessible, continuous, comprehensive, and well-coordinated with other parts of the healthcare system. Yet, 4.6 million Canadians, approximately 15% of Canada's population, are unattached; that is, they do not have a regular primary care provider. To address the critical need for attachment, especially for more vulnerable patients, six Canadian provinces have implemented centralized waiting lists for unattached patients...
January 21, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28109152/-hepatic-stellate-cell-conditioned-medium-induces-proliferation-and-epithelial-mesenchymal-transition-via-activating-erk1-2-signaling-pathway-in-hepatoma-cells
#11
Yuxiao Xie, Rui Liao, Long Pan, Kai Fan, Cong Peng, Chengyou Du
Objective To investigate the influence of hepatic stellate cells (HSCs) on malignant biological behavior of hepatoma cells and related mechanisms. Methods Human hepatoma cell lines SMMC-7721 and HepG2, and hepatic stellate cell line LX-2 were cultured separately. HSC conditioned medium (LX2-CM), MAPK specific inhibitor U0126 were used to treat hepatoma cells, separately or together. The invasion and migration abilities of hepatoma cells were detected by Transwell(TM) assay, and cell proliferation was analyzed by CCK-8 assay...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28109134/a-novel-mitochondria-targeting-fluorescent-probe-as-the-monitor-of-hydrogen-sulfide-in-living-cells
#12
Wei Shi, Miaobo Pan, Hao Qiang, Qianqian Qiu, Wenlong Huang, Haiyan Lin, Hai Qian, Liang Ge
A novel mitochondria targeting fluorescent probe compound S-N3 as the monitor of Hydrogen Sulfide (H2 S) in living cells has been designed and synthesized in this paper. This article contained the chemosynthesis and some studies on bioactivity of the target compound in living cells. Compound S-N3 is easy to synthesize and can remain stable under the effect of pH, system and photo. In additional, it shows low cytotoxicity in cell imaging. And it can react with H2 S highly selective in PBS or FBS solution, which would cause the obvious increase of fluorescence intensity...
January 21, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28109068/the-impact-of-dermoscopy-on-melanoma-detection-in-the-practice-of-dermatologists-in-europe-results-of-a-pan-european-survey
#13
A M Forsea, P Tschandl, I Zalaudek, V Del Marmol, H P Soyer, G Argenziano, A C Geller
BACKGROUND: Dermoscopy is a widely used technique that can increase the sensitivity and specificity of melanoma detection. Information is lacking on the impact of dermoscopy use on the detection of melanoma in the real-life practice of European dermatologists. OBJECTIVE: To identify factors that influence the benefit of using dermoscopy for increasing melanoma detection and lowering the number of unnecessary biopsies in the practice of European dermatologists. METHODS: We conducted a survey of dermatologists registered in 32 European countries regarding: the demographic and practice characteristics, dermoscopy training and use, opinions on dermoscopy and the self-estimated impact of dermoscopy use on the number of melanomas detected and the number of unnecessary biopsies performed in practice...
January 21, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28109035/competitive-benzyl-cation-transfer-proton-transfer-collision-induced-mass-spectrometric-fragmentation-of-protonated-n-n-dibenzylaniline
#14
Ge Ma, Gongye Liu, Shanshan Shen, Yunfeng Chai, Lei Yue, Shunping Zhao, Yuanjiang Pan
Collision-induced dissociation of protonated N,N-dibenzylaniline was investigated by electrospray tandem mass spectrometry. Various fragmentation pathways were dominated by benzyl cation and proton transfer. Benzyl cation transfers from the initial site (nitrogen) to benzylic phenyl or aniline phenyl ring. The benzyl cations transfer to the two different sites and both result in the benzene loss combined with 1,3-H shift. In addition, after the benzyl cation transfers to the benzylic phenyl ring, 1,2-H shift and 1,4-H shift proceed competitively to trigger the diphenylmethane loss and aniline loss respectively...
January 21, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28109017/clostridium-butyricum-b1-alleviates-high-fat-diet-induced-steatohepatitis-in-mice-via-enterohepatic-immunoregulation
#15
Da Zhou, Qin Pan, Xiao-Lin Liu, Rui-Xu Yang, Yuan-Wen Chen, Chang Liu, Jian-Gao Fan
BACKGROUND AND AIM: Enterohepatic immunologic derangement is associated with nonalcoholic steatohepatitis (NASH). Here, we investigated whether Clostridium butyricum B1 (CB) would be an effective immune-targeted substance to attenuate steatohepatitis in mice. METHODS: Thirty mice were randomized into a control group fed with common forage, a high-fat diet (HFD) group fed a HFD for 16 weeks, and a HFD + CB group treated with CB for the latter 8 weeks. Inflammation- or metabolism-associated genes in the liver or epididymal fat tissue were quantified, intrahepatic and intestinal immune factors were detected...
January 20, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28108665/fasiglifam-tak-875-alters-bile-acid-homeostasis-in-rats-and-dogs-a-potential-cause-of-drug-induced-liver-injury
#16
Francis S Wolenski, Andy Z X Zhu, Mike Johnson, Shaoxia Yu, Yuu Moriya, Takuya Ebihara, Vilmos Csizmadia, Jessica Grieves, Martin Paton, Mingxiang Liao, Christopher Gemski, Liping Pan, Majid Vakilynejad, Yvonne P Dragan, Swapan K Chowdhury, Patrick J Kirby
Fasiglifam (TAK-875), a Free Fatty Acid Receptor 1 (FFAR1) agonist in development for the treatment of type 2 diabetes, was voluntarily terminated in phase 3 due to adverse liver effects. A mechanistic investigation described in this manuscript focused on the inhibition of bile acid (BA) transporters as a driver of the liver findings. TAK-875 was an in vitro inhibitor of multiple influx (NTCP and OATPs) and efflux (BSEP and MRPs) hepatobiliary BA transporters at micromolar concentrations. Repeat dose studies determined that TAK-875 caused a dose-dependent increase in serum total BA in rats and dogs...
January 20, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28108466/post-glucose-load-measures-of-insulin-resistance-and-prognosis-of-nondiabetic-patients-with-ischemic-stroke
#17
Yuesong Pan, Jing Jing, Weiqi Chen, Huaguang Zheng, Qian Jia, Donghua Mi, Hao Li, Xingquan Zhao, Liping Liu, Chunxue Wang, Herbert Y Gaisano, Yan He, Yilong Wang, Yongjun Wang
BACKGROUND: Insulin resistance is associated with an increased risk of cardiovascular events in the general population. This study aimed to estimate the association between post-glucose load measures of insulin resistance and prognosis of nondiabetic patients with ischemic stroke. METHODS AND RESULTS: Data were derived from the ACROSS-China (Abnormal Glucose Regulation in Patients with Acute Stroke across China) registry. Patients with ischemic stroke without a history of diabetes mellitus were included...
January 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28108339/transcriptome-analysis-of-the-effect-of-polyunsaturated-fatty-acids-against-vibrio-vulnificus-infection-in-oreochromis-niloticus
#18
Chieh-Yu Pan, Yu-Hao Liu, Hong-Yi Gong, Jyh-Yih Chen
Vibrio vulnificus infection causes severe economic losses in Oreochromis niloticus aquaculture by inducing pro-inflammatory cytokines, that lead to inflammation and mortality. Omega-3 fatty acids, such as Docosahexaenoic acid (DHA) and Eicosapentaenoic acid (EPA), have been reported for their anti-inflammatory and antibacterial abilities in murine and zebrafish models. However, the anti-inflammatory and antibacterial functions of DHA and EPA in commercial aquaculture organisms such as Oreochromis niloticus remain unknown...
January 17, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28108314/mirna-638-promotes-autophagy-and-malignant-phenotypes-of-cancer-cells-via-directly-suppressing-dact3
#19
Yanli Ren, Yujie Chen, Xue Liang, Yan Lu, Wenting Pan, Ming Yang
Dyregulation of autophagy is implicated in human cancers and the mechanism details remains largely unclear. Herein we report the regulatory role of miR-638 in autophagy of esophageal squamous cell carcinoma (ESCC) and breast cancer cells. We found that miR-638 overexpression promotes starvation- and rapamycin-induced autophagy. In ESCC and breast cancer cells, miR-638 acts as an oncogene and promote cell proliferation, migration, as well as invasion in vitro and in vivo. In accordance with this, we observed significantly higher miR-638 expression in ESCC and breast cancer tissues compared to normal tissues...
January 17, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28107902/electrolyzing-synthesis-of-boron-doped-graphene-quantum-dots-for-fluorescence-determination-of-fe-3-ions-in-water-samples
#20
Li Chen, Chuanli Wu, Pan Du, Xiaowei Feng, Ping Wu, Chenxin Cai
This work reports a facile electrolyzing method to synthesize boron-doped graphene quantum dots (BGQDs) and uses the BGQDs as a fluorescent probe to determine Fe(3+) ion levels in water samples. The BGQDs were produced by oxidizing graphite in an aqueous borax solution at pH 7; then, the borate solution was filtered with BGQDs, and the borate was dialyzed from the filtrate, leaving a solution of BGQDs in water. The amount of the B in the BGQDs can be adjusted by changing the concentration of borax used for the electrolyte...
March 1, 2017: Talanta
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