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https://www.readbyqxmd.com/read/29793195/alcohol-and-drugs-use-among-drivers-injured-in-road-accidents-in-campania-italy-a-8-years-retrospective-analysis
#1
Anna Carfora, Carlo Pietro Campobasso, Paola Cassandro, Raffaella Petrella, Renata Borriello
A recent update of the Italian Road Traffic Law (RTL 41/2016), established severe penal sanctions when drivers, driving under the influence of alcohol (DUI) or drugs (DUID), are involved in road accident that results in death or injuries. A study was carried out to assess the trends of consumption of alcohol, illicit drugs or pharmaceutical among injured drivers suspected for DUI or DUID from 2009 to 2016 in the region of Campania (Italy). Confirmation toxicological analyses were performed on 780 blood samples and 1017 urine samples collected from 1797 injured drivers...
May 9, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29793131/tlr2-4-ligand-amplified-liver-inflammation-promotes-initiation-of-autoimmune-hepatitis-due-to-sustained-il-6-il-12-il-4-il-25-expression
#2
Gang Chi, Xin-Xia Feng, Ying-Xia Ru, Ting Xiong, Yuan Gao, Han Wang, Zhen-Long Luo, Ran Mo, Fang Guo, Yong-Pei He, Gui-Mei Zhang, De-An Tian, Zuo-Hua Feng
Autoimmune hepatitis (AIH), a serious autoimmune liver disease, can be a lifelong illness, leading to fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). So far the mechanisms for disease initiation are largely unknown. Here we report that the amplified non-AIH liver inflammation could promote the initiation of AIH due to the sustained increase of IL-6, IL-12, IL-4, and IL-25 in the liver. The liver injury resulting from virus (adenovirus) or chemicals (CCl4 ) could induce an amplified (stronger/long-lasting) hepatic inflammation by releasing the ligands for TLR2/TLR4...
May 21, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29793129/global-mittag-leffler-stability-and-synchronization-analysis-of-fractional-order-quaternion-valued-neural-networks-with-linear-threshold-neurons
#3
Xujun Yang, Chuandong Li, Qiankun Song, Jiyang Chen, Junjian Huang
This paper talks about the stability and synchronization problems of fractional-order quaternion-valued neural networks (FQVNNs) with linear threshold neurons. On account of the non-commutativity of quaternion multiplication resulting from Hamilton rules, the FQVNN models are separated into four real-valued neural network (RVNN) models. Consequently, the dynamic analysis of FQVNNs can be realized by investigating the real-valued ones. Based on the method of M-matrix, the existence and uniqueness of the equilibrium point of the FQVNNs are obtained without detailed proof...
May 4, 2018: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/29793020/epha2-stimulates-vcam-1-expression-through-calcium-dependent-nfat1-activity
#4
Steven Daniel Funk, Alexandra C Finney, Arif Yurdagul, Christopher B Pattillo, A Wayne Orr
Endothelial cell activation by proinflammatory stimuli drives leukocyte recruitment through enhanced expression of counter-receptors such as vascular cell adhesion molecule-1 (VCAM-1). We previously demonstrated that activation of the receptor tyrosine kinase EphA2 with its ligand ephrin-A1 induces VCAM-1 expression. Here, we sought to characterize the proinflammatory signaling pathways involved. Analysis of over-represented transcription factors in ephrin-A1-induced genes identified multiple potential transcriptional regulators, including the Rel family members nuclear factor-κB (NF-κB/p65) and nuclear factor of activated T-cells (NFAT)...
May 21, 2018: Cellular Signalling
https://www.readbyqxmd.com/read/29792882/utilization-of-automated-performance-metrics-to-measure-surgeon-performance-during-robotic-vesicourethral-anastomosis-and-methodical-development-of-a-training-tutorial
#5
Jian Chen, Paul J Oh, Nathan Cheng, Ankeet Shah, Jeremy Montez, Anthony Jarc, Liheng Guo, Inderbir S Gill, Andrew J Hung
PURPOSE: To develop and validate automated performance metrics (APMs) to measure surgeon performance of vesicourethral anastomosis (VUA) during robotic-assisted radical prostatectomy (RRP). Furthermore, we seek to methodically develop a standardized training tutorial for the robotic VUA. MATERIALS AND METHODS: APMs (motion tracking and system events data) and synchronized surgical video were captured during the RRP. Non-automated performance metrics (NAPMs) were manually annotated by video review...
May 21, 2018: Journal of Urology
https://www.readbyqxmd.com/read/29792859/long-non-coding-rna-miat-is-estrogen-responsive-and-promotes-estrogen-induced-proliferation-in-er-positive-breast-cancer-cells
#6
Yuehua Li, Baohong Jiang, Xiaoping Wu, Qin Huang, Wenqi Chen, Hongbo Zhu, Xiaofei Qu, Liming Xie, Xin Ma, Guo Huang
Estrogen drives the development and progression of estrogen receptor (ER)-positive breast cancer. However, the detailed mechanism underlying ER-driven carcinogenesis remains unclear despite extensive studies. Previously reports indicated higher expression of long non-coding RNA (lncRNA) myocardial infarction associated transcript (MIAT) in ER-positive breast cancer tissues than in ER-negative tissues. However, the functional relevance of MIAT in ER-positive breast cancer tumorigenesis was poorly understood...
May 21, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29792821/exhaustive-exercise-induced-oxidative-stress-alteration-of-erythrocyte-oxygen-release-capacity
#7
Yanlian Xiong, Yanlei Xiong, Yueming Wang, Yajin Zhao, Yaojin Li, Yang Ren, Ruofeng Wang, Mingzi Zhao, Yitong Hao, Haibei Liu, Xiang Wang
The aim of the present study is to explore the effect of exhaustive running exercise (ERE) in the oxygen release capacity of rat erythrocytes. Rats were divided into sedentary control (C), moderate running exercise (MRE) and exhaustive running exercise groups. The thermodynamics and kinetics properties of the erythrocyte oxygen release process of different groups were tested. We also determined the degree of band-3 oxidative and phosphorylation, anion transport activity and carbonic anhydrase isoform II(CAII) activity...
May 24, 2018: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/29792795/tuning-the-morphology-of-nanostructured-peptide-films-by-introduction-of-a-secondary-structure-conformational-constraint-a-case-study-of-hierarchical-self-assembly
#8
Marta De Zotti, Beatrice Muzzi, Emanuela Gatto, Benedetta Di Napoli, Claudia Mazzuca, Antonio Palleschi, Ernesto Placidi, Fernando Formaggio, Claudio Toniolo, Mariano Venanzi
Peptide self-assembly is ubiquitous in nature. It governs the organization of proteins, controlling their folding kinetics and preserving their structure stability and bioactivity. In this connection, model oligopeptides may give important insights on the molecular mechanisms and elementary forces driving the formation of supramolecular structures. In this contribution we show that a single residue substitution, i.e. Aib (α-aminoisobutyric acid) in place of Ala at position 4 of an -(L-Ala)5- homo-oligomer, strongly alters the aggregation process...
May 24, 2018: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29792672/biosynthesis-of-lincosamide-antibiotics-reactions-associated-with-degradation-and-detoxification-pathways-play-a-constructive-role
#9
Daozhong Zhang, Zhijun Tang, Wen Liu
Natural products typically are small molecules produced by living organisms. These products possess a wide variety of biological activities and thus have historically played a critical role in medicinal chemistry and chemical biology either as chemotherapeutic agents or as useful tools. Natural products are not synthesized for use by human beings; rather, living organisms produce them in response to various biochemical processes and environmental concerns, both internal and external. These processes/concerns are often dynamic and thus motivate the diversification, optimization, and selection of small molecules in line with changes in biological function...
May 24, 2018: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29792440/looking-at-the-eyes-interferes-with-facial-emotion-recognition-in-alexithymia
#10
Esther Fujiwara
Alexithymia refers to difficulties in identifying, differentiating, and describing feelings. This personality trait is highly prevalent in many psychiatric conditions and may drive associated social-emotional problems, including the ability to decode emotions in faces. This study probed alexithymic problems with identifying clear and ambiguous blends of emotions in faces and their underlying visual attention patterns. Using the Toronto Alexithymia Scale-20, students with high alexithymia (HA, n = 73) or low alexithymia (LA, n = 76) were enrolled in this study...
May 24, 2018: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/29792422/toward-total-synthesis-of-thiolate-protected-metal-nanoclusters
#11
Qiaofeng Yao, Tiankai Chen, Xun Yuan, Jianping Xie
Total synthesis, where desired organic- and/or biomolecules could be produced from simple precursors at atomic precision and with known step-by-step reactions, has prompted centuries-lasting bloom of organic chemistry since its conceptualization in 1828 (Wöhler synthesis of urea). Such expressive science is also highly desirable in nanoscience, since it represents a decisive step toward atom-by-atom customization of nanomaterials for basic and applied research. Although total synthesis chemistry is less established in nanoscience, recent years have witnessed seminal advances and increasing research efforts devoted into this field...
May 24, 2018: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29792331/predictable-particle-engineering-programming-the-energy-level-carrier-generation-and-conductivity-of-core-shell-particles
#12
Conghui Yuan, Tong Wu, Jie Mao, Ting Chen, Yuntong Li, Min Li, Yiting Xu, Birong Zeng, Weiang Luo, Lingke Yu, Gaofeng Zheng, Lizong Dai
Core-shell structures are of particular interest in the development of advanced composite materials as they can efficiently bring different components together at nanoscale. The advantage of this structure greatly relies on the crucial design of both core and shell, thus achieving an inter-component synergistic effect. In this report, we show that decorating semiconductor nanocrystals with a boronate polymer shell can easily achieve programmable core-shell interactions. Taking ZnO and anatase TiO2 nanocrystals as inner core examples, the effective core-shell interactions can narrow the band gap of semiconductor nanocrystals, change the HOMO and LUMO levels of boronate polymer shell and significantly improve the carrier density of core-shell particles...
May 24, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29792271/dna-methylation-yields-epigenetic-clues-into-the-diabetic-nephropathy-of-pima-indians
#13
Karol Bomsztyk, Oleg Denisenko, Yuliang Wang
Environmental factors drive epigenetic programming. DNA methylation is the best studied modification transmitting epigenetic information. A study by Qiu et al. examined potential epigenetic roots for the decline of renal function in Pima Indians. A genomewide survey of blood leukocytes uncovered differentially methylated DNA sites in regulatory regions of genes associated with chronic kidney disease. This longitudinal study provides the first clues on epigenetic links between environmental factors and a high prevalence of diabetic kidney disease in Pima Indians...
June 2018: Kidney International
https://www.readbyqxmd.com/read/29792243/understanding-the-science-of-portion-control-and-the-art-of-downsizing
#14
Marion M Hetherington, Pam Blundell-Birtill, Samantha J Caton, Joanne E Cecil, Charlotte E Evans, Barbara J Rolls, Tang Tang
Offering large portions of high-energy-dense (HED) foods increases overall intake in children and adults. This is known as the portion size effect (PSE). It is robust, reliable and enduring. Over time, the PSE may facilitate overeating and ultimately positive energy balance. Therefore, it is important to understand what drives the PSE and what might be done to counter the effects of an environment promoting large portions, especially in children. Explanations for the PSE are many and diverse, ranging from consumer error in estimating portion size to simple heuristics such as cleaning the plate or eating in accordance with consumption norms...
May 24, 2018: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/29792221/sex-differences-in-cardiovascular-epigenetics-a-systematic-review
#15
REVIEW
Robin J G Hartman, Sarah E Huisman, Hester M den Ruijter
BACKGROUND: Differences in cardiovascular diseases are evident in men and women throughout life and are mainly attributed to the presence of sex hormones and chromosomes. Epigenetic mechanisms drive the regulation of the biological processes that may lead to CVD and are possibly influenced by sex. In order to gain an overview of the status quo on sex differences in cardiovascular epigenetics, we performed a systematic review. MATERIALS AND METHODS: A systematic search was performed on PubMed and Embase for studies mentioning cardiovascular disease, epigenetics, and anything related to sex differences...
May 23, 2018: Biology of Sex Differences
https://www.readbyqxmd.com/read/29792167/association-between-glaucoma-severity-and-driving-cessation-in-subjects-with-primary-open-angle-glaucoma
#16
Aya Takahashi, Kenya Yuki, Sachiko Awano-Tanabe, Takeshi Ono, Daisuke Shiba, Kazuo Tsubota
BACKGROUND: The aim of this study, which included a baseline cross-sectional study and a 3-year follow-up prospective study, was to investigate the association between glaucomatous visual field damage and driving cessation in subjects with primary open-angle glaucoma (POAG). METHODS: A total of 211 POAG subjects divided into 3 groups according to POAG severity (mild, moderate, or severe) in the better eye were enrolled along with 148 control subjects; subjects were asked about changes in their driving status...
May 23, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29792166/the-pdgfr%C3%AE-erk1-2-pathway-regulates-cdcp1-expression-in-triple-negative-breast-cancer
#17
Luca Forte, Federica Turdo, Cristina Ghirelli, Piera Aiello, Patrizia Casalini, Marilena Valeria Iorio, Elvira D'Ippolito, Patrizia Gasparini, Roberto Agresti, Beatrice Belmonte, Gabriella Sozzi, Lucia Sfondrini, Elda Tagliabue, Manuela Campiglio, Francesca Bianchi
BACKGROUND: CDCP1, a transmembrane protein with tumor pro-metastatic activity, was recently identified as a prognostic marker in TNBC, the most aggressive breast cancer subtype still lacking an effective molecular targeted therapy. The mechanisms driving CDCP1 over-expression are not fully understood, although several stimuli derived from tumor microenvironment, such as factors present in Wound Healing Fluids (WHFs), reportedly increase CDCP1 levels. METHODS: The expression of CDCP1, PDGFRβ and ERK1/2cell was tested by Western blot after stimulation of MDA-MB-231 cells with PDGF-BB and, similarly, in presence or not of ERK1/2 inhibitor in a panel of TNBC cell lines...
May 23, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29792029/stratification-in-drying-films-containing-bidisperse-mixtures-of-nanoparticles
#18
Yanfei Tang, Gary S Grest, Shengfeng Cheng
Large scale molecular dynamics simulations for bidisperse nanoparticle suspensions with an explicit solvent are used to investigate the effects of evaporation rates and volume fractions on the nanoparticle distribution during drying. Our results show that "small-on-top" stratification can occur when Pes Φs ≥ c with c ∼ 1, where Pes is the Péclet number and Φs is the volume fraction of the smaller particles. This threshold of Pes Φs for "small-on-top" is larger by a factor of ~ α2 than the prediction of the model treating solvent as an implicit viscous background, where α is the size ratio between the large and small particles...
May 23, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29791888/boosted-nutritional-quality-of-food-by-co-2-enrichment-fails-to-offset-energy-demand-of-herbivores-under-ocean-warming-causing-energy-depletion-and-mortality
#19
Jonathan Y S Leung, Ivan Nagelkerken, Bayden D Russell, Camilo M Ferreira, Sean D Connell
The CO2 -boosted trophic transfer from primary producers to herbivores has been increasingly discovered at natural CO2 vents and in laboratory experiments. Despite the emerging knowledge of this boosting effect, we do not know the extent to which it may be enhanced or dampened by ocean warming. We investigated whether ocean acidification and warming enhance the nutritional quality (C:N ratio) and energy content of turf algae, which is speculated to drive higher feeding rate, greater energy budget and eventually faster growth of herbivores...
May 20, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29791886/the-emission-of-btex-compounds-during-movement-of-passenger-car-in-accordance-with-the-nedc
#20
Dragan Adamović, Jovan Dorić, Mirjana Vojinović Miloradov, Savka Adamović, Sabolč Pap, Jelena Radonić, Maja Turk Sekulić
The results of the research in the field of benzene, toluene, ethylbenzene and xylene isomers (BTEX) concentrations in exhaust gases of spark ignition engines under different operating conditions are presented in this paper. The aim of this paper is to gain a clearer insight into the impact of different engine working parameters on the concentrations of BTEX. The experimental investigation has been performed on the SCHENCK 230 W test stand with the controlled IC engine. The engine operating points have been chosen based on the results of a simulation and they are considered as the typical driving conditions according to the New European Driving Cycle...
May 20, 2018: Science of the Total Environment
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