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https://www.readbyqxmd.com/read/28445991/human-epidermal-growth-factor-receptor-2-expression-is-more-important-than-bacillus-calmette-guerin-treatment-in-predicting-the-outcome-of-t1g3-bladder-cancer
#1
Luigi Cormio, Francesca Sanguedolce, Antonella Cormio, Paolo Massenio, Maria Carmela Pedicillo, Simona Cagiano, Giuseppe Calò, Vincenzo Pagliarulo, Giuseppe Carrieri, Pantaleo Bufo
In the present study we tested the role of Human Epidermal Growth Factor Receptor-2 (HER-2) expression, as assayed by immunohistochemistry, in predicting recurrence and progression in 67 patients with T1G3 BC having undergone transurethral resection of bladder tumor (TURBT) alone (33) or TURBT + Bacillus Calmette Guerin (BCG) instillations (34). All patients had a negative restaging TURBT within 4 months after the first TURBT. At median follow-up of 75.7 months, the overall disease-free and progression-free rates were 35...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445965/molecular-docking-3d-qsar-and-structural-optimization-on-imidazo-pyridine-derivatives-dually-targeting-at1-and-pparg
#2
Jun Zhang, Qing-Qing Hao, Xin Liu, Zhi Jing, Wen-Qing Jia, Shu-Qing Wang, Wei-Ren Xu, Xian-Chao Cheng, Run-Ling Wang
Telmisartan, a bifunctional agent of blood pressure lowering and glycemia reduction, was previously reported to antagonize angiotensin II type 1 (AT1) receptor and partially activate peroxisome proliferator-activated receptor γ (PPARγ) simultaneously. Through the modification to telmisartan, researchers designed and obtained imidazo-\pyridine derivatives with the IC50s of 0.49~94.1 nM against AT1 and EC50s of 20~3640 nM towards PPARγ partial activation. For minutely inquiring the interaction modes with the relevant receptor and analyzing the structure-activity relationships, molecular docking and 3D-QSAR (Quantitative structure-activity relationships) analysis of these imidazo-\pyridines on dual targets were conducted in this work...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445946/dose-invasive-apocrine-adenocarcinoma-has-worse-prognosis-than-invasive-ductal-carcinoma-of-breast-evidence-from-seer-database
#3
Ning Zhang, Hanwen Zhang, Tong Chen, Qifeng Yang
BACKGROUND: Invasive apocrine adenocarcinoma (AAC) of breast is a rare histopathological subtype of breast carcinomas. We aim to investigate the different characteristics and prognostic outcomes between AAC and invasive ductal carcinoma (IDC) of breast cancer. RESULTS: AAC patients presented with older ages, more aggressive behaviors, lower ER and PR proportions, higher HER2 amplification rates and less application of breast-conserving therapy and adjuvant chemotherapy compared to IDC patients...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445746/crosstalk-and-the-dynamical-modularity-of%C3%A2-feed-forward-loops-in-transcriptional-regulatory-networks
#4
Michael A Rowland, Ahmed Abdelzaher, Preetam Ghosh, Michael L Mayo
Network motifs, such as the feed-forward loop (FFL), introduce a range of complex behaviors to transcriptional regulatory networks, yet such properties are typically determined from their isolated study. We characterize the effects of crosstalk on FFL dynamics by modeling the cross regulation between two different FFLs and evaluate the extent to which these patterns occur in vivo. Analytical modeling suggests that crosstalk should overwhelmingly affect individual protein-expression dynamics. Counter to this expectation we find that entire FFLs are more likely than expected to resist the effects of crosstalk (≈20% for one crosstalk interaction) and remain dynamically modular...
April 25, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28445727/environmental-enrichment-induces-pericyte-and-iga-dependent-wound-repair-and-lifespan-extension-in-a-colon-tumor-model
#5
Benjamin D Bice, Megan R Stephens, Stephanie J Georges, Ashlee R Venancio, Peter C Bermant, Annika V Warncke, Kajsa E Affolter, Julio R Hidalgo, Melinda L Angus-Hill
Environmental enrichment (EE) replicates mind-body therapy by providing complex housing to laboratory animals to improve their activity levels, behavior, and social interactions. Using a Tcf4(Het/+)Apc(Min/+)-mediated model of colon tumorigenesis, we found that EE vastly improved the survival of tumor-bearing animals, with differential effect on tumor load in male compared to female animals. Analysis of Tcf4(Het/+)Apc(Min/+) males showed drastically reduced expression of circulating inflammatory cytokines and induced nuclear hormone receptor (NHR) signaling, both of which are common in the wound repair process...
April 25, 2017: Cell Reports
https://www.readbyqxmd.com/read/28445717/hepatic-elovl6-mrna-is-regulated-by-the-gga-mir-22-3p-in-egg-laying-hen
#6
Zheng Ma, Hong Li, Hang Zheng, Keren Jiang, Fengbin Yan, Yadong Tian, Xiangtao Kang, Yanbin Wang, Xiaojun Liu
The elongation of very long chain fatty acids protein 6 (ELOVL6) encodes a fatty acid elongase that is responsible for the final step in endogenous saturated fatty acid synthesis and involves in de novo lipogenesis. Though the regulatory mechanism of ELOVL6 expression has been studied extensively, little is known about the role of miRNA in regulating ELOVL6 gene expression in chicken until now. To investigate the regulatory mechanism of miRNA on the expression of ELOVL6 gene, bioinformatics analysis was employed to predict the potential miRNAs that binding with the 3'untranslated region (3'UTR) of ELOVL6...
April 23, 2017: Gene
https://www.readbyqxmd.com/read/28445641/exfoliation-of-lini1-3mn1-3co1-3o2-into-nanosheets-using-electrochemical-oxidation-and-reassembly-with-dialysis-or-flocculation
#7
Qian Cheng, Ting Yang, Man Li, Candace K Chan
Two-dimensional (2D) materials such as nanosheets are increasingly attracting attention for applications in energy storage and conversion. Many conventional battery compounds have layered structures, which can facilitate the exfoliation of these materials into nanosheet morphologies. In this work, LiNi1/3Mn1/3Co1/3O2 (NMC) particles were exfoliated into nanosheets using an electrochemical oxidation method enabled by the intercalation of tetraethylammonium cations into the interlayer space. The exfoliated materials were monolayer or double-layer nanosheets with hexagonal shapes and sizes < 50 nm...
April 26, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28445626/fabrication-and-characterization-of-chitosan-polyvinylpyrrolidone-and-cellulose-nanowhiskers-nanocomposite-films-for-wound-healing-drug-delivery-application
#8
Abshar Hasan, Gyan Waibhaw, Sakshi Tiwari, K Dharmalingam, I Shukla, Lalit M Pandey
This study describes the preparation of composite film using chitosan (CS) and polyvinylpyrrolidone (PVP) with incorporated cellulose nanowhiskers (CNWs) for drug delivery application. CNWs were prepared by acid hydrolysis of cellulose with sulfuric acid. Field emission scanning electron microscopy studies revealed nanofibrous morphology of CNWs with 20-30 nm diameter and 200-250 nm in length. X-ray powder diffraction (XRD) analysis confirmed highly crystalline nature of CNWs with 92.81% crystallinity. Incorporation of CNWs enhanced the thermal and mechanical properties of films...
April 26, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28445613/neuronal-distribution-of-tyramine-and-the-tyramine-receptor-amtar1-in-the-honeybee-brain
#9
Markus Thamm, Christina Scholl, Tina Reim, Kornelia Grübel, Karin Möller, Wolfgang Rössler, Ricarda Scheiner
Tyramine is an important neurotransmitter, neuromodulator, and neurohormone in insects. In honeybees, it is assumed to have functions in modulating sensory responsiveness and controlling motor behavior. Tyramine can bind to two characterized receptors in honeybees, both of which are coupled to intracellular cAMP pathways. How tyramine acts on neuronal, cellular and circuit levels is unclear. We investigated the spatial brain expression of the tyramine receptor AmTAR1 using a specific antibody. This antibody detects a membrane protein of the expected molecular weight in Western blot analysis...
April 26, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28445551/pattern-classification-of-eeg-signals-reveals-perceptual-and-attentional-states
#10
Alexandra List, Monica D Rosenberg, Aleksandra Sherman, Michael Esterman
Pattern classification techniques have been widely used to differentiate neural activity associated with different perceptual, attentional, or other cognitive states, often using fMRI, but more recently with EEG as well. Although these methods have identified EEG patterns (i.e., scalp topographies of EEG signals occurring at certain latencies) that decode perceptual and attentional states on a trial-by-trial basis, they have yet to be applied to the spatial scope of attention toward global or local features of the display...
2017: PloS One
https://www.readbyqxmd.com/read/28445261/behavior-characteristics-of-the-attention-network-of-military-personnel-with-high-and-low-trait-anxiety
#11
Yu Pan, Wenpeng Cai, Wei Dong, Jie Xiao, Jin Yan, Qi Cheng
Converging evidence reveals significant increase in both state anxiety and trait anxiety during the past 2 decades among military servicemen and servicewomen in China. In the present study, we employed the Chinese version of the State-trait Anxiety Inventory (STAI) to examine trait and state anxiety in Chinese military servicemen and servicewomen. We further evaluated orienting, alerting and execution inhibition using the attention network test.Healthy military servicemen and servicewomen were recruited for the present study...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445056/superior-plasticity-and-tabletability-of-theophylline-monohydrate
#12
Shao-Yu Chang, Changquan Calvin Sun
A theophylline monohydrate (THm) powder, with particle size and shape substantially similar to a theophylline anhydrate powder, was prepared by vapor mediated phase conversion. The elimination of possible contributions by particle size and shape to tableting properties made it possible to unambiguously identify the role of bonding area and bonding strength on powder tableting performance. It was also shown that accurate true density is essential for correct analysis and understanding of tableting behavior of THm...
April 26, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28445004/cftr-dependent-chloride-efflux-in-cystic-fibrosis-mononuclear-cells-is-increased-by-ivacaftor-therapy
#13
Lorenzo Guerra, Susanna D'Oria, Maria Favia, Stefano Castellani, Teresa Santostasi, Angela M Polizzi, Maria A Mariggiò, Crescenzio Gallo, Valeria Casavola, Pasqualina Montemurro, Giuseppina Leonetti, Antonio Manca, Massimo Conese
AIM: The Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) potentiator ivacaftor (Kalydeco®) improves clinical outcome in G551D cystic fibrosis (CF) patients. Here, we have investigated whether ivacaftor has a clinical impact on non-G551D gating mutations and function of circulating leukocytes as well. METHODS: Seven patients were treated with ivacaftor and evaluated at baseline, and at 1-3 and 6 months. Besides clinical and systemic inflammatory parameters, circulating mononuclear cells (MNC) were evaluated for CFTR-dependent chloride efflux by spectrofluorimetry, neutrophils for oxidative burst by cytofluorimetry and HVCN1 mRNA expression by real time PCR...
April 26, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28444949/voxel-based-morphometry-meta-analysis-of-gray-and-white-matter-finds-significant-areas-of-differences-in-bipolar-patients-from-healthy-controls
#14
REVIEW
Rossana Ganzola, Simon Duchesne
OBJECTIVE: We present a retrospective meta-analysis of voxel-based morphometry (VBM) of gray (GM) and white matter (WM) differences between patients with bipolar disorder (BD) and behaviorally healthy controls. METHODS: We used the activation likelihood estimation and Sleuth software for our meta-analysis, considering P-value maps at the cluster level inference of .05 with uncorrected P<.001. Results were visualized with the software MANGO. RESULTS: We included twenty-five articles in the analysis, and separated the comparisons where BD patients had lower GM or WM concentrations than controls (573 subjects, 21 experiments, and 117 locations/180 subjects, five experiments, and 15 locations, respectively) and the comparisons where BD patients had greater GM concentrations than controls (217 subjects, nine experiments, and 49 locations)...
April 26, 2017: Bipolar Disorders
https://www.readbyqxmd.com/read/28444931/study-of-structure-dependent-chromatographic-behavior-of-glycopeptides-using-reversed-phase-nanolc
#15
Petr Kozlik, Radoslav Goldman, Miloslav Sanda
Analysis of glycosylation is challenging due to micro- and macro-heterogeneity of the protein attachment. A combination of liquid chromatography with tandem mass spectrometry is one of the most powerful tools for glycopeptide analysis. In this work, we show the effect of various monosaccharide units on the retention time of glycopeptides. Retention behavior of several glycoforms of six peptides obtained from tryptic digest of haptoglobin, hemopexin and sex hormone binding globulin was studied on a reversed phase chromatographic column...
April 26, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28444844/iranian-clinical-trials-an-analysis-of-registered-trials-in-international-clinical-trial-registry-platform-ictrp
#16
Mansoureh Feizabadi, Fatemeh Fahimnia, Alireza Mosavi Jarrahi, Nader Naghshineh, Shahram Tofighi
BACKGROUND: It is important to specify the disease under investigation in studies registered in clinical trial registration systems. The demand for research on priority public health needs is notably on the rise. One indicator which helps identify the priorities of community public health and medical systems is the burden of disease. MATERIALS AND METHODS: Information on clinical trials carried out in Iran was downloaded from the portal of the International Clinical Trials Registry website...
April 26, 2017: Journal of Evidence-based Medicine
https://www.readbyqxmd.com/read/28444842/microwave-assisted-preparation-of-poly-ionic-liquid-modified-polystyrene-magnetic-nanospheres-for-phthalate-esters-extraction-from-beverages
#17
Gehui Liu, Ping Su, Lian Zhou, Yi Yang
The fabrication of novel poly(ionic liquid)-modified polystyrene magnetic nanospheres by a one-pot mini-emulsion copolymerization reaction was achieved through an efficient microwave-assisted synthesis method. The morphology, structure, and magnetic behavior of the as-prepared magnetic materials were characterized by using transmission electron microscopy, vibrating sample magnetometry, etc. The magnetic materials were utilized as sorbents for the extraction of phthalate esters from beverage samples followed by ultra-fast liquid chromatography analysis...
April 26, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28444478/the-association-between-geometry-and-wall-stress-in-emergently-repaired-abdominal-aortic-aneurysms
#18
Sathyajeeth S Chauhan, Carlos A Gutierrez, Mirunalini Thirugnanasambandam, Victor De Oliveira, Satish C Muluk, Mark K Eskandari, Ender A Finol
Abdominal aortic aneurysm (AAA) is a prevalent cardiovascular disease characterized by the focal dilation of the aorta, which supplies blood to all the organs and tissues in the systemic circulation. With the AAA increasing in diameter over time, the risk of aneurysm rupture is generally associated with the size of the aneurysm. If diagnosed on time, intervention is recommended to prevent AAA rupture. The criterion to decide on surgical intervention is determined by measuring the maximum diameter of the aneurysm relative to the critical value of 5...
April 25, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28444349/adult-children-s-education-and-physiological-dysregulation-among-older-parents
#19
Chioun Lee
Objectives: Despite growing awareness that children's education benefits the health of older parents, the underlying mechanisms of this relationship are not well-understood. We investigated (a) the associations between children's education and biological functioning of parents, (b) psychosocial and behavioral factors that explain the associations, and (c) gendered patterns in the associations. Methods: Using longitudinal data from a nationally representative sample of older Taiwanese, we performed mediation analysis of the association between adult children's education and physiological dysregulation of their parents...
April 21, 2017: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/28444324/fitness-trade-off-associated-with-spinosad-resistance-in-frankliniella-occidentalis-thysanoptera-thripidae
#20
Xiaoyu Li, Yanran Wan, Guangdi Yuan, Sabir Hussain, Baoyun Xu, Wen Xie, Shaoli Wang, Youjun Zhang, Qingjun Wu
Frankliniella occidentalis (Pergande) is an economically important pest of agricultural crops. High resistance has been detected in field populations of F. occidentalis against the insecticide spinosad. In this study, we compared life history traits, body sizes, and feeding behaviors (recorded via an electrical penetration graph) of spinosad-susceptible (Ivf03) and spinosad-resistant (NIL-R) near-isogenic lines of F. occidentalis. Life table analysis showed that NIL-R had reduced female longevity and reduced fecundity...
April 24, 2017: Journal of Economic Entomology
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