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https://www.readbyqxmd.com/read/28645209/genome-wide-mapping-of-in-vivo-er%C3%AE-binding-sites-in-male-mouse-efferent-ductules
#1
Guangxin Yao, Shuanggang Hu, Lu Yu, Yanfei Ru, Charlie Degui Chen, Qiang Liu, Yonglian Zhang
As an important nuclear hormone receptor, estrogen receptor alpha (ERα), which is encoded by Esr1 gene, regulates the expression of hundreds of genes in a stimulus-specific, temporal and tissue-specific fashion, mainly by binding to specific DNA sequences-estrogen response elements (EREs). As an important estrogen target tissue in males, the function of the efferent ductules relies on the presence of the ERα protein, but the underlying regulatory mechanisms are poorly illustrated. In this study, genome-wide ERα-binding sites in mouse efferent ductules were mapped by ChIP-seq...
June 22, 2017: Endocrinology
https://www.readbyqxmd.com/read/28645193/irf6-regulates-alternative-activation-by-suppressing-ppar%C3%AE-in-male-murine-macrophages
#2
Chuan Li, Wei Ying, Zheping Huang, Tyler Brehm, Andrew Morin, Anthony T Vella, Beiyan Zhou
Aberrant pro-inflammatory and suppressed anti-inflammatory (alternative) macrophage activation underlies the chronic inflammation associated with obesity and other metabolic disorders. This study demonstrates a novel role for Interferon Regulatory Factor 6 (IRF6) in regulating macrophage alternative activation (M2) by suppressing peroxisome proliferator-activated receptor-γ (PPARγ) expression, a critical regulator of alternative macrophage polarization. The data demonstrate suppression of IRF6 in both M2 macrophages and obese adipose tissue macrophages (ATMs)...
June 22, 2017: Endocrinology
https://www.readbyqxmd.com/read/28645179/system-wide-analysis-of-short-term-response-to-high-temperature-in-pinus-radiata
#3
Mónica Escandón, Luis Valledor, Jesús Pascual, Gloria Pinto, María Jesús Cañal, Mónica Meijón
Pinus radiata seedlings, the most widely planted pine species in the world, were exposed to temperatures within a range mimicking future scenarios based on current models of heat increase. The short-term heat response in P. radiata was studied in detail by exploring the metabolome, proteome and targeted transcriptome. The use of complementary mass spectrometry techniques, GC-MS and LC-Orbitrap-MS, together with novel bioinformatics tools allowed the reliable quantification of 2,075 metabolites and 901 protein groups...
June 22, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28645161/lncrna-tug1-influences-papillary-thyroid-cancer-cell-proliferation-migration-and-emt-formation-through-targeting-mir-145
#4
Hongwei Lei, Yan Gao, Xiaoying Xu
LncRNA TUG1, a tumor oncogene associated with various human cancers, has been reported to be involved in regulating various cellular processes, such as proliferation, apoptosis and invasion through targeting multiple genes. However, its biological function in thyroid cancer cells has not been elucidated. The aim of this study is to measure TUG1 expression level and evaluate its function in thyroid cancer cells. LncRNA TUG1 expression levels in thyroid cancer tissues and three thyroid cancer cell lines (the ATC cell lines SW1736 and KAT18 and the FTC cell line FTC133) were assessed by qRT-PCR and compared with that of the human normal breast epithelial cell HGC-27...
June 22, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28645111/intersecting-transcriptomic-profiling-technologies-and-long-non-coding-rna-function-in-lung-adenocarcinoma-discovery-mechanisms-and-therapeutic-applications
#5
REVIEW
Jonathan Castillo, Theresa R Stueve, Crystal N Marconett
Previously thought of as junk transcripts and pseudogene remnants, long non-coding RNAs (lncRNAs) have come into their own over the last decade as an essential component of cellular activity, regulating a plethora of functions within multicellular organisms. lncRNAs are now known to participate in development, cellular homeostasis, immunological processes, and the development of disease. With the advent of next generation sequencing technology, hundreds of thousands of lncRNAs have been identified. However, movement beyond mere discovery to the understanding of molecular processes has been stymied by the complicated genomic structure, tissue-restricted expression, and diverse regulatory roles lncRNAs play...
June 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28645110/long-noncoding-rna-ccat2-as-a-novel-biomaker-of-metastasis-and-prognosis-in-human-cancer-a-meta-analysis
#6
REVIEW
Dailian Wang, Zhicong Chen, Haidan Xu, Anbang He, Yuchen Liu, Weiren Huang
Colon cancer-associated transcript2 (CCAT2), a long noncoding RNA (LncRNA), has been found to function as an oncogene in various cancers. However, the clinical value of CCAT2 in cancers remains unclear. Therefore, we performed this meta-analysis to investigate the association between CCAT2 level and metastasis & prognosis in malignant tumors. The meta analysis was performed by using a systematic search in PubMed, Web of Science, and Cochrane Library from inception to NOV 17, 2016. According to the inclusion and exclusion criteria,9 studies with 1084 patients were included in the meta-analysis...
May 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28645109/elevated-hemoglobin-glycation-index-identify-non-diabetic-individuals-at-increased-risk-of-kidney-dysfunction
#7
Teresa Vanessa Fiorentino, Maria Adelaide Marini, Elena Succurro, Angela Sciacqua, Francesco Andreozzi, Francesco Perticone, Giorgio Sesti
Hemoglobin glycation index (HGI), calculated as the difference between the observed value of HbA1 and the predicted HbA1c based on plasma glucose concentration, is a measure of the individual tendency toward non-enzymatic hemoglobin glycation which has been found to be positively associated with nephropathy in subjects with diabetes. In this cross-sectional study we aimed to evaluate whether higher HGI levels are associated with impaired kidney function also among nondiabetic individuals.The study group comprised 1505 White nondiabetic individuals stratified in quartiles according to HGI levels...
June 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28645107/effects-of-liraglutide-on-hemodynamic-parameters-in-patients-with-heart-failure
#8
Jin Ying Zhang, Xin Yun Wang, Xiang Wang
Glucagon-like peptide-1 analogues improve left ventricular function in patients with acute myocardial infarction. This study aimed to evaluate the effects of liraglutide on hemodynamic parameters in patients with heart failure. A total of 78 patients with heart failure were enrolled in this study between August 2014 and November 2015. Of these, 52 patients were randomized 1:1 to receive either liraglutide or placebo for 7 days. Hemodynamic measurements were made using transpulmonary thermodilution and arterial pulse contour analysis...
June 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28645092/examining-effectiveness-of-tailorable-computer-assisted-therapy-programmes-for-substance-misuse-programme-usage-and-clinical-outcomes-data-from-breaking-free-online
#9
Sarah Elison, Andrew Jones, Jonathan Ward, Glyn Davies, Stephanie Dugdale
RATIONALE: When evaluating complex, tailorable digital behavioural interventions, additional approaches may be required alongside established methodologies such as randomised controlled trials (RCTs). Research evaluating a computer-assisted therapy (CAT) programme for substance misuse, Breaking Free Online (BFO), is informed by Medical Research Council (MRC) guidance recommending examination of 'mechanisms of action' of individual intervention strategies, which is relevant when evaluating digital interventions with content that may evolve over time...
May 23, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28645073/analysis-of-ldlr-variants-from-homozygous-fh-patients-carrying-multiple-mutations-in-the-ldlr-gene
#10
Long Jiang, Asier Benito-Vicente, Ling Tang, Aitor Etxebarria, Wei Cui, Kepa B Uribe, Xiao-Dong Pan, Helena Ostolaza, Shi-Wei Yang, Yu-Jie Zhou, Cesar Martin, Lu-Ya Wang
BACKGROUND AND AIMS: Familial hypercholesterolemia (FH) is an autosomal dominant disease with widespread global prevalence that partially accounts for the high prevalence of premature coronary heart disease. Although the majority of research on FH has focused on single heterozygous LDLR mutations, there have been limited reports of double LDLR mutations on the same chromosome. The aim of this study was to gain insight into the clinical consequences of the presence of multiple mutations in the LDLR gene...
June 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28645028/lipid-homeostasis-and-regulated-cell-death
#11
REVIEW
Eran Agmon, Brent R Stockwell
Modern lipidomics analysis paints a dynamic picture of membrane organizations, as changing and adapting lipid assemblies that play an active role in cellular function. This article highlights how the lipid composition of membranes determines specific organelle functions, how homeostatic mechanisms maintain these functions by regulating physical properties of membranes, and how cells disrupt lipid homeostasis to bring about regulated cell death (RCD). These are broad phenomena, and representative examples are reviewed here...
June 20, 2017: Current Opinion in Chemical Biology
https://www.readbyqxmd.com/read/28645025/decreased-functional-connectivity-and-disrupted-neural-network-in-the-prefrontal-cortex-of-affective-disorders-a-resting-state-fnirs-study
#12
Huilin Zhu, Jie Xu, Jiangxue Li, Hongjun Peng, Tingting Cai, Xinge Li, Shijing Wu, Wei Cao, Sailing He
BACKGROUND: Affective disorders (AD) have been conceptualized as neural network-level diseases. In this study, we utilized functional near infrared spectroscopy (fNIRS) to investigate the spontaneous hemodynamic activities in the prefrontal cortex (PFC) of the AD patients with or without medications. METHODS: 42 optical channels were applied to cover the superior frontal gyrus (SFG), middle frontal gyrus (MFG), and inferior frontal gyrus (IFG), which constitute one of the most important affective networks of the brain...
June 17, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28645003/structure-and-gene-cluster-of-the-o-antigen-of-enterobacter-cloacae-c4115
#13
Andrei V Perepelov, Guangnan Xu, Andrei V Filatov, Xinjie Zhang, Alexander S Shashkov, Min Wang, Yuriy A Knirel
An O-polysaccharide was isolated by mild acid degradation of the lipopolysaccharide of Enterobacter cloacae C4115 and studied by sugar analysis along with 1D and 2D (1)H and (13)C NMR spectroscopy. The following structure of the linear pentasaccharide repeating unit of the O-polysaccharide was established: →2)-α-l-Rhap-(1 → 2)-α-l-Rhap-(1 → 2)-α-l-Rhap-(1 → 2)-α-d-Galp-(1 → 3)-α-d-FucpNAc-(1→ The O-antigen gene cluster of E. cloacae C4115 was sequenced. The gene functions were tentatively assigned by comparison with sequences in the available databases and found to be in consistence with the O-polysaccharide structure...
June 3, 2017: Carbohydrate Research
https://www.readbyqxmd.com/read/28644860/time-dependent-genetic-analysis-links-field-and-controlled-environment-phenotypes-in-the-model-c4-grass-setaria
#14
Max J Feldman, Rachel E Paul, Darshi Banan, Jennifer F Barrett, Jose Sebastian, Muh-Ching Yee, Hui Jiang, Alexander E Lipka, Thomas P Brutnell, José R Dinneny, Andrew D B Leakey, Ivan Baxter
Vertical growth of plants is a dynamic process that is influenced by genetic and environmental factors and has a pronounced effect on overall plant architecture and biomass composition. We have performed six controlled growth trials of an interspecific Setaria italica x Setaria viridis recombinant inbred line population to assess how the genetic architecture of plant height is influenced by developmental queues, water availability and planting density. The non-destructive nature of plant height measurements has enabled us to monitor height throughout the plant life cycle in both field and controlled environments...
June 23, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28644858/the-flame-retardant-de-71-a-mixture-of-polybrominated-diphenyl-ethers-inhibits-human-differentiated-thyroid-cell-function-in-vitro
#15
Thit Mynster Kronborg, Juliana Frohnert Hansen, Åse Krogh Rasmussen, Katrin Vorkamp, Claus Henrik Nielsen, Marie Frederiksen, Jacob Hofman-Bang, Christoffer Holst Hahn, Louise Ramhøj, Ulla Feldt-Rasmussen
BACKGROUND: Normal thyroid function is essential for general growth and metabolism, but can be affected by endocrine disrupting chemicals (EDCs). Polybrominated diphenyl ethers (PBDEs) have been used worldwide to reduce flammability in different materials and are suspected to be EDCs. The production of the commercial Penta- and OctaBDE mixtures is banned, but DecaBDEs and existing products may leak PBDEs into the environment. Our aim was to investigate the effect of the PentaBDE mixture DE-71 on human thyroid cells in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28644851/comorbidities-in-the-diseasome-are-more-apparent-than-real-what-bayesian-filtering-reveals-about-the-comorbidities-of-depression
#16
Peter Marx, Peter Antal, Bence Bolgar, Gyorgy Bagdy, Bill Deakin, Gabriella Juhasz
Comorbidity patterns have become a major source of information to explore shared mechanisms of pathogenesis between disorders. In hypothesis-free exploration of comorbid conditions, disease-disease networks are usually identified by pairwise methods. However, interpretation of the results is hindered by several confounders. In particular a very large number of pairwise associations can arise indirectly through other comorbidity associations and they increase exponentially with the increasing breadth of the investigated diseases...
June 23, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28644817/graphene-based-humidity-sensors-the-origin-of-alternating-resistance-change
#17
Vasilii I Popov, Danil Nikolaev, Vladimir B Timofeev, Svetlana Smagulova, Irina Antonova
The response of graphene based humidity sensor is considered as a function of film structures. Analysis of resistance changes due to water molecule adsorption on graphene or multigraphene (MLG) surface is performed for films with a different resistivity from hundreds of Ohm/sq to hundreds of kOhm/sq. It has revealed a possible increase, decrease and non monotonous behavior of resistance. Adsorption of water molecules at grain boundary defects is supposed to lead to an increase in film resistivity due to the donor property of water and p-type conductivity of graphene...
June 23, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28644811/applying-pattern-recognition-to-high-resolution-images-to-determine-cellular-signaling-status
#18
Michael F Lohrer, Darrin M Hanna, Yang Liu, Kang-Hsin Wang, Fu-Tong Liu, Ted A Laurence, Gang-Yu Liu
Two frequently used tools to acquire high-resolution images of cells are scanning electron microscopy (SEM) and atomic force microscopy (AFM). The former provides a nanometer resolution view of cellular features rapidly and with high throughput, while the latter enables visualizing hydrated and living cells. In current practice, these images are viewed by eye to determine cellular status, e.g. activated versus resting. Automatic and quantitative data analysis is lacking. This work develops an algorithm of pattern recognition that works very effectively for AFM and SEM images...
June 21, 2017: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28644754/expression-of-enzymes-related-to-glucose-metabolism-in-non-small-cell-lung-cancer-and-prognosis
#19
Alexandra Giatromanolaki, Efthimios Sivridis, Stella Arelaki, Michael I Koukourakis
Purpose/Aim: Cancer cells are addicted to glycolytic anaerobic pathways, in presence or in absence of a functional Krebs' cycle (phenomenon Warburg). This metabolic predilection relies on both extracellular (impaired vascularization and oxygenation) and intracellular (oncogenic activation of genes) causes. MATERIALS AND METHODS: We investigated the expression and prognostic relevance of enzymes involved in the glucose absorption and metabolism, monocarboxylate transporter (MCT) expression, MCT1 and MCT2, pentose pathway (Glucose-6-phospahte dehydrogenase G6PD), glycogene synthesis (glycogene synthase GYS1), glycolysis (Hexokinase HXKII, phosphofructokinase PFK1, fructose biphosphate aldolase), fate of pyruvate (pyruvate dehydrogenase PDH, phosphorylated pPDH, PDH kinase PDK1, lactate dehydrogenase LDH5 and LDH1) and key Kreb's cycle enzymes (citrate synthase CSynth and isocitrate dehydrogenase IDH)...
June 23, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/28644712/comparative-analysis-of-behavioral-and-transcriptional-variation-underlying-co2-sensory-neuron-function-and-development-in-drosophila
#20
Jia Wern Pan, Joi McLaughlin, Haining Yang, Charles Leo, Paula Rambarat, Sumie Okuwa, Anaïs Monroy-Eklund, Sabrina Clark, Corbin D Jones, Pelin Cayirlioglu Volkan
Carbon dioxide is an important environmental cue for many insects, regulating many behaviors including some that have direct human impacts. To further improve our understanding of how this system varies among closely related insect species, we examined both the behavioral response to CO2 as well as the transcriptional profile of key developmental regulators of CO2 sensory neurons in the olfactory system across the Drosophila genus. We found that CO2 generally evokes repulsive behavior across most of the Drosophilids we examined, but this behavior has been lost or reduced in several lineages...
June 23, 2017: Fly
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