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https://www.readbyqxmd.com/read/28098906/mir%C3%A2-15a%C3%A2-5p-acts-as-an-oncogene-in-renal-cell-carcinoma
#1
Lu Jin, Yifan Li, Tao He, Jia Hu, Jiaju Liu, Mingwei Chen, Zeng Zhang, Yaoting Gui, Xiangming Mao, Shangqi Yang, Yongqing Lai
miRNAs have been reported to be involved in multiple cellular processes and the tumorigenesis of various cancers. miR‑15a‑5p (also termed miR‑15a) has previously been determined to be upregulated in renal cell carcinoma (RCC) by microarray profile. However, the expression and function of miR‑15a‑5p in RCC remain to be validated. In the present study, reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) was performed to detect the expression levels of miR‑15a‑5p in RCC tissues and cells...
January 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28098904/identification-of-biomarkers-of-intrahepatic-cholangiocarcinoma-via-integrated-analysis-of-mrna-and-mirna-microarray-data
#2
Yaqing Chen, Dan Liu, Pengfei Liu, Yajing Chen, Huiling Yu, Quan Zhang
The present study aimed to identify potential therapeutic targets of intrahepatic cholangiocarcinoma (ICC) via integrated analysis of gene (transcript version) and microRNA (miRNA/miR) expression. The miRNA microarray dataset GSE32957 contained miRNA expression data from 16 ICC, 7 mixed type of combined hepatocellular‑cholangiocarcinoma (CHC), 2 hepatic adenoma, 3 focal nodular hyperplasia (FNH) and 5 healthy liver tissue samples, and 2 cholangiocarcinoma cell lines. In addition, the mRNA microarray dataset GSE32879 contained mRNA expression data from 16 ICC, 7 CHC, 2 hepatic adenoma, 5 FNH and 7 healthy liver tissue samples...
January 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28098899/analysis-of-gene-expression-profiles-of-non-small-cell-lung-cancer-at-different-stages-reveals-significantly-altered-biological-functions-and-candidate-genes
#3
Jin Wang, Jianxiang Song, Zhengya Gao, Xudong Huo, Yajun Zhang, Wencai Wang, Jianwei Qi, Shiying Zheng
We attempt to dissect the pathology of non-small cell lung cancer (NSCLC) patients at different stages and discover the novel candidate genes. Microarray data (GSE21933) were retrieved from the Gene Expression Omnibus database. The differential expression profiles of lung tumor tissues during different stages were analyzed. The significantly altered functions and pathways were assessed and the key nodes in a protein-protein interaction (PPI) network were screened out. Then, the coexpression gene pairs and tumor-related genes were assessed...
January 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098893/systematic-analysis-of-microarray-datasets-to-identify-parkinson-s-disease%C3%A2-associated-pathways-and-genes
#4
Yinling Feng, Xuefeng Wang
In order to investigate commonly disturbed genes and pathways in various brain regions of patients with Parkinson's disease (PD), microarray datasets from previous studies were collected and systematically analyzed. Different normalization methods were applied to microarray datasets from different platforms. A strategy combining gene co‑expression networks and clinical information was adopted, using weighted gene co‑expression network analysis (WGCNA) to screen for commonly disturbed genes in different brain regions of patients with PD...
January 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28098890/characterization-of-the-microrna-profile-in-early-stage-cervical-squamous-cell-carcinoma-by-next-generation-sequencing
#5
Wansong Lin, Mei Feng, Guilin Chen, Zhifeng Zhou, Jieyu Li, Yunbin Ye
Squamous cell carcinoma (SCC) is histologically the most prominent type of cervical cancer. There is accumulating evidence suggesting that microRNAs (miRNAs) play important regulatory roles in the biological processes of cervical squamous cell carcinoma (CSCC). Deciphering the miRNA regulatory network in CSCC could deepen our understanding at the molecular level of CSCC initiation and progression. In the present study, we performed next‑generation sequencing (NGS) to profile miRNA expression in 3 pairs of early-stage CSCC samples...
January 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098833/role-of-electron-driven-proton-transfer-processes-in-the-ultrafast-deactivation-of-photoexcited-anionic-8-oxoguanine-adenine-and-8-oxoguanine-cytosine-base-pairs
#6
Xiuxiu Wu, Tolga N V Karsili, Wolfgang Domcke
It has been reported that 8-oxo-7,8-dihydro-guanosine (8-oxo-G), which is the main product of oxidative damage of DNA, can repair cyclobutane pyrimidine dimer (CPD) lesions when incorporated into DNA or RNA strands in proximity to such lesions. It has therefore been suggested that the 8-oxo-G nucleoside may have been a primordial precursor of present-day flavins in DNA or RNA repair. Because the electron transfer leading to the splitting of a thymine-thymine pair in a CPD lesion occurs in the photoexcited state, a reasonably long excited-state lifetime of 8-oxo-G is required...
January 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28098769/sensory-acceptability-of-infant-cereals-with-whole-grain-in-infants-and-young-children
#7
Juan Francisco Haro-Vicente, Maria Jose Bernal-Cava, Amparo Lopez-Fernandez, Gaspar Ros-Berruezo, Stefan Bodenstab, Luis Manuel Sanchez-Siles
In many countries, infant cereals are one of the first foods introduced during the complementary feeding stage. These cereals are usually made with refined cereal flours, even though several health benefits have been linked to the intake of whole grain cereals. Prior evidence suggests that food preferences are developed at early stages of life, and may persist in later childhood and adulthood. Our aim was to test whether an infant cereal with 30% of whole grain was similarly accepted both by parents and infants in comparison to a similar cereal made from refined flour...
January 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28098756/detection-of-the-vascular-endothelial-growth-factor-with-a-novel-bioluminescence-resonance-energy-transfer-pair-using-a-two-component-system
#8
Tobias Wimmer, Eva Schroeter, Birgit Lorenz, Knut Stieger
In this paper we describe a two-component BRET (bioluminescence resonance energy transfer)-based method to detect vascular endothelial growth factor (VEGF) molecules in unknown samples as the basis for subsequent in vivo use. A luminescent VEGF binding molecule, which binds in the receptor binding motif of VEGF, is used as the energy donor, transferred to a fluorophore-coupled VEGF binding molecule (acceptor), which binds to the neuropilin binding motif of VEGF, thus enabling energy transfer from the donor to the acceptor molecule...
January 13, 2017: Sensors
https://www.readbyqxmd.com/read/28098729/vitrectomy-for-persistent-macular-holes-following-ocriplasmin-injection-a-comparative-multicenter-study
#9
Ricarda G Schumann, Armin Wolf, Hans Hoerauf, Albrecht Lommatzsch, Mathias Maier, Joachim Wachtlin, Michael J Koss, Thomas Kreutzer, Thomas Bertelmann, Sara Kazerounian, Stefan Mennel, Siegfried G Priglinger
PURPOSE: To determine functional and anatomical outcomes of pars plana vitrectomy for persistent full-thickness macular hole (MH) after intravitreal injection of ocriplasmin. METHODS: This is a multicenter retrospective interventional study of 37 eyes of 37 patients who underwent pars plana vitrectomy with internal limiting membrane peeling for persistent MH after ocriplasmin treatment between December 2013 and December 2015 and comparison with 35 eyes of 35 patients who were offered ocriplasmin injection but underwent pars plana vitrectomy alone without pharmacologic vitreolysis before surgery...
January 16, 2017: Retina
https://www.readbyqxmd.com/read/28098560/disordered-kitaev-chains-with-long-range-pairing
#10
Cai Xiaoming
We study the competition of disorder and superconductivity for a generalized Kitaev model in incommensurate potentials. The generalized Kitaev model describes one dimensional spinless fermions with long-range p-wave superconducting pairing, which decays with distance <i>l</i> as a power law ���1/<i>l</i><sup>��</sup>. We focus on the transition from the topological superconducting phase to the topologically trivial Anderson localized phase, and effects of the exponent �� on this phase transition...
January 18, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28098430/behavioral-and-electrophysiological-alterations-for-reinforcement-learning-in-manic-and-euthymic-patients-with-bipolar-disorder
#11
Vin Ryu, Ra Yeon Ha, Su Jin Lee, Kyooseob Ha, Hyun-Sang Cho
AIMS: Bipolar disorder is characterized by behavioral changes such as risk-taking and increasing goal-directed activities, which may result from altered reward processing. Patients with bipolar disorder show impaired reward learning in situations that require the integration of reinforced feedback over time. In this study, we examined the behavioral and electrophysiological characteristics of reward learning in manic and euthymic patients with bipolar disorder using a probabilistic reward task...
January 18, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28098420/deciphering-chemical-interactions-between-glycyrrhizae-radix-and-coptidis-rhizoma-by-liquid-chromatography-with-transformed-multiple-reaction-monitoring-mass-spectrometry
#12
Zhenhao Li, Ting Liu, Jie Liao, Ni Ai, Xiaohui Fan, Yiyu Cheng
In this study, we propose an integrated strategy for the efficient identification and quantification of herbal constituents using liquid chromatography with mass spectrometry. First, liquid chromatography with quadrupole time-of-flight mass spectrometry was employed for the chemical profiling of herbs, where a targeted following non-targeted approach was developed to detect trace constituents by using structural correlations and extracted ion chromatograms. Next, ion pairs and parameters of MS(2) of quadrupole time-of-flight mass spectrometry were selected to design multiple reaction monitoring transitions for the identified compounds on liquid chromatography with triple quadrupole mass spectrometry...
January 18, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28098404/esi-activity-of-br-bf4-clo4-and-bph4-anions-in-the-presence-of-li-and-nbu4-counter-ions
#13
Konrad Koszinowski, Friederike Lissy
To improve our understanding of the electrospray-ionization (ESI) process, we have subjected equimolar mixtures of salts A(+) X(-) (A(+)  = Li(+) , NBu4(+) ; X(-)  = Br(-) , ClO4(-) , BF4(-) , BPh4(-) ) in different solvents (CH3 CN, tetrahydrofuran, CH3 OH, H2 O) to negative-ion mode ESI and analyzed the relative ESI activity of the different anionic model analytes. The ESI activity of the large and hydrophobic BPh4(-) ion greatly exceeds that of the smaller and more hydrophilic anions Br(-) , ClO4(-) , and BF4(-) , which we ascribe to its higher surface activity...
January 18, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28098275/the-initial-stages-of-melting-of-graphene-between-4000-k-and-6000-k
#14
Eric Ganz, Ariel B Ganz, Li-Ming Yang, Matthew Dornfeld
Graphene and its analogues have some of the highest predicted melting points of any materials. Previous work estimated the melting temperature for freestanding graphene to be a remarkable 4510 K. However, this work relied on theoretical methods that do not accurately account for the role of bond breaking or complex bonding configurations in the melting process. Furthermore, experiments to verify these high melting points have been challenging. Practical applications of graphene and carbon nanotubes at high temperatures will require a detailed understanding of the behavior of these materials under these conditions...
January 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28098233/microrna-34-directly-targets-pair-rule-genes-and-cytoskeleton-component-in-the-honey-bee
#15
Flávia C P Freitas, Camilla V Pires, Charles Claudianos, Alexandre S Cristino, Zilá L P Simões
MicroRNAs (miRNAs) are key regulators of developmental processes, such as cell fate determination and differentiation. Previous studies showed Dicer knockdown in honeybee embryos disrupt the processing of functional mature miRNAs and impairs embryo patterning. Here we investigated the expression profiles of miRNAs in honeybee embryogenesis and the role of the highly conserved miR-34-5p in the regulation of genes involved in insect segmentation. A total of 221 miRNAs were expressed in honey bee embryogenesis among which 97 mature miRNA sequences have not been observed before...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28098141/one-million-years-of-glaciation-and-denudation-history-in-west-greenland
#16
Astrid Strunk, Mads Faurschou Knudsen, David L Egholm, John D Jansen, Laura B Levy, Bo H Jacobsen, Nicolaj K Larsen
The influence of major Quaternary climatic changes on growth and decay of the Greenland Ice Sheet, and associated erosional impact on the landscapes, is virtually unknown beyond the last deglaciation. Here we quantify exposure and denudation histories in west Greenland by applying a novel Markov-Chain Monte Carlo modelling approach to all available paired cosmogenic (10)Be-(26)Al bedrock data from Greenland. We find that long-term denudation rates in west Greenland range from >50 m Myr(-1) in low-lying areas to ∼2 m Myr(-1) at high elevations, hereby quantifying systematic variations in denudation rate among different glacial landforms caused by variations in ice thickness across the landscape...
January 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28098097/protective-role-of-nigella-sativa-in-diabetic-nephropathy-a-randomized-clinical-trial
#17
Zafar Masood Ansari, Mohammad Nasiruddin, Rahat Ali Khan, Shahzad Faizul Haque
This study aims to evaluate efficacy and safety of Nigella sativa oil supplementation in patients with chronic kidney disease Stage 3 and 4 due to diabetic nephropathy. It was a prospective, comparative, and open-label study. Patients were randomized into two groups. Group 1 (Control) received conservative management of diabetic nephropathy, whereas Group 2 (Test) received N. sativa oil (2.5 mL, once daily and per orally) along with conservative management for 12 weeks. Blood glucose, hemogram, and kidney function test were done at 0, 6, and 12 weeks of treatment...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28098052/effect-of-maternal-dietary-counselling-during-the-1st-year-of-life-on-glucose-profile-and-insulin-resistance-at-the-age-of-8-years-a-randomised-field-trial
#18
Cintia S Costa, Paula D B Campagnolo, L H Lumey, Marcia R Vitolo
Education interventions that stimulate complementary feeding practices can improve the nutritional status of children and may protect against future chronic diseases. We assessed the long-term effectiveness of dietary intervention during the 1st year of life on insulin resistance levels, and investigated the relationship between insulin resistance and weight changes over time. A randomised field trial was conducted among 500 mothers who gave birth to full-term infants between October 2001 and June 2002 in a low-income area in São Leopoldo, Brazil...
January 18, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28097880/practical-applications-of-matched-series-analysis-sar-transfer-binding-mode-suggestion-and-data-point-validation
#19
Peter Hunt, Matthew Segall, Noel O'Boyle, Roger Sayle
AIM: The assumption in scaffold hopping is that changing the scaffold does not change the binding mode and the same structure-activity relationships (SARs) are seen for substituents decorating each scaffold. Results/methodology: We present the use of matched series analysis, an extension of matched molecular pair analysis, to automate the analysis of a project's data and detect the presence or absence of comparable SAR between chemical series. CONCLUSION: The presence of SAR transfer can confirm the perceived binding mode overlay of different chemotypes or suggest new arrangements between scaffolds that may have gone unnoticed...
January 18, 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/28097840/assessment-of-lipid-profile-and-some-risk-factors-of-atherosclerosis-in-children-whose-parents-had-early-onset-coronary-artery-disease
#20
Helen Bornaun, Naci Öner, Kemal Nişli, Kazım Öztarhan, Taner Yavuz, Ümit Türkoğlu, Aygün Dindar, Rukiye Eker Ömeroglu
BACKGROUND/AIM: The objective of our study was to analyze the lipid profile and some risk factors of atherosclerosis such as oxidized-low density lipoprotein (ox-LDL), small dense LDL (sd LDL) in the offspring of patients with premature coronary heart disease (CHD). POPULATION AND METHODS: Children whose parents had early onset CHD were matched with age and sex pairs. Study and controls were analyzed for lipid levels, apolipoproteins (Apo- A,B,E), ox-LDL, sd LDL and lipoprotein (a) [Lp(a)]...
February 1, 2017: Archivos Argentinos de Pediatría
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