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https://www.readbyqxmd.com/read/28110244/quantification-of-postural-control-deficits-in-patients-with-recent-concussion-an-inertial-sensor-based-approach
#1
Cailbhe Doherty, Liang Zhao, John Ryan, Yusuke Komaba, Akihiro Inomata, Brian Caulfield
BACKGROUND: The aim of this study was to quantify postural control ability in a group with concussion compared with a healthy control group. METHOD: Fifteen concussion patients (4 females, 11 males) and a group of fifteen age- and sex-matched controls were recruited. Participants were tested during the performance of the three stance variants (bilateral, tandem and unilateral) of the balance error scoring system standing on a force place, while wearing an inertial measurement unit placed at the posterior aspect of the sacrum...
January 16, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28109944/synthesis-biological-evaluation-and-molecular-dynamics-md-simulation-studies-of-three-novel-f-18-labeled-and-focal-adhesion-kinase-fak-targeted-5-bromo-pyrimidines-as-radiotracers-for-tumor
#2
Yu Fang, Dawei Wang, Xingyu Xu, Jianping Liu, Aiqin Wu, Xiang Li, Qianqian Xue, Huan Wang, Hang Wang, Huabei Zhang
Focal adhesion kinase (FAK) is considered as an attractive target for oncology. A series of F-18 labeled 5-bromo-N(2)-(4-(2-fluoro-pegylated (FPEG))-3,5-dimethoxyphenyl)-N(4)-(4-methoxyphenyl)pyrimidine-2,4-diamine derivatives were prepared and evaluated as the FAK targeted radiotracers for the early diagnoses of tumor. For the study of the FAK targeted drug molecules, this was the first attempt to develop the tumor diagnostic imaging agents on the radiopharmaceutical level. They inhibited the activity of FAK with IC50 in the range of 91...
January 11, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28109831/common-and-specific-abnormalities-in-cortical-thickness-in-patients-with-major-depressive-and-bipolar-disorders
#3
Meiqi Niu, Ying Wang, Yanbin Jia, Junjing Wang, Shuming Zhong, Jiabao Lin, Yao Sun, Ling Zhao, Xiaojin Liu, Li Huang, Ruiwang Huang
Major depressive disorder (MDD) and bipolar disorder (BD) are severe psychiatric diseases with overlapping symptomatology. Although previous studies reported abnormal brain structures in MDD or BD patients, the disorder-specific underlying neural mechanisms remain poorly understood. The purpose of this study was to investigate the whole-brain gray matter morphological patterns in unmedicated patients with MDD or BD and to identify the shared and disease-specific brain morphological alterations in these two disorders...
January 11, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28109669/different-alterations-in-brain-functional-networks-according-to-direct-and-indirect-topological-connections-in-patients-with-schizophrenia
#4
Chang-Hyun Park, Seungyup Lee, Taewon Kim, Wang Yeon Won, Kyoung-Uk Lee
Schizophrenia displays connectivity deficits in the brain, but the literature has shown inconsistent findings about alterations in global efficiency of brain functional networks. We supposed that such inconsistency at the whole brain level may be due to a mixture of different portions of global efficiency at sub-brain levels. Accordingly, we considered measuring portions of global efficiency in two aspects: spatial portions by considering sub-brain networks and topological portions by considering contributions to global efficiency according to direct and indirect topological connections...
January 18, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28109667/aberrant-alpha-and-gamma-oscillations-ex-vivo-after-single-application-of-the-nmda-receptor-antagonist-mk-801
#5
Clément E Lemercier, Constance Holman, Zoltan Gerevich
Clinical symptoms of schizophrenia are associated with altered cortical neuronal oscillations in multiple frequency bands such as alpha (7-13Hz) and gamma (30-90Hz) rhythms. NMDA receptor antagonists induce psychotic symptoms in humans and a schizophrenia-like phenotype in animals, suggesting NMDA receptor dysfunction is involved in the generation of many symptoms of the disorder. We investigated the effects of a single intraperitoneal injection of the NMDA receptor antagonist MK-801 in rats, a model of first-episode schizophrenia, on network oscillations recorded ex vivo in the hippocampus and prefrontal cortex...
January 18, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28109608/health-physiology-and-behavior-of-dairy-calves-reared-on-4-different-substrates
#6
M A Sutherland, G M Worth, C Cameron, C M Ross, D Rapp
The objective of this study was to compare the health, physiology, and behavior of group-housed calves reared on wood shavings with those reared on alternative surfaces. At 1 wk of age, 80 calves were moved into 1 of 20 experimental pens (n = 4 calves/pen) where they remained until 6 wk of age. Pens had floors covered with pea gravel (PG), rubber chip (RC), sand (SA), or wood shavings (WS; n = 5 pens/substrate). Body weight, cleanliness, health, and skin surface and vaginal temperature were recorded at 1, 3, and 6 wk of age...
January 18, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28109306/impact-of-trauma-system-structure-on-injury-outcomes-a-systematic-review-protocol
#7
Lynne Moore, Howard Champion, Gerard O'Reilly, Ari Leppaniemi, Peter Cameron, Cameron Palmer, Fikri M Abu-Zidan, Belinda Gabbe, Christine Gaarder, Natalie Yanchar, Henry Thomas Stelfox, Raul Coimbra, John Kortbeek, Vanessa Noonan, Amy Gunning, Luke Leenan, Malcolm Gordon, Monty Khajanchi, Michèle Shemilt, Valérie Porgo, Alexis F Turgeon
BACKGROUND: Injury represents one of the greatest public health challenges of our time with over 5 million deaths and 100 million people temporarily or permanently disabled every year worldwide. The effectiveness of trauma systems in decreasing injury mortality and morbidity has been well demonstrated. However, the organisation of trauma care varies significantly across trauma systems and we know little about which components of trauma systems contribute to their effectiveness. The objective of the study described in this protocol is to systematically review evidence of the impact of trauma system components on clinically significant outcomes including mortality, function and disability, quality of life, and resource utilization...
January 21, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28109303/uptake-of-dna-by-cancer-cells-without-a-transfection-reagent
#8
Yanping Kong, Xianbo Zhang, Yongliang Zhao, Yanfang Xue, Ye Zhang
BACKGROUND: Cancer cells exhibit elevated levels of glucose uptake and may obtain pre-formed, diet-derived fatty acids from the bloodstream to boost their rapid growth; they may also use nucleic acid from their microenvironment. The study of processing nucleic acid by cancer cells will help improve the understanding of the metabolism of cancer. DNA is commonly packaged into a viral or lipid particle to be transferred into cells; this process is called transfection in laboratory. Cancer cells are known for having gene mutations and the evolving ability of endocytosis...
January 21, 2017: Biological Research
https://www.readbyqxmd.com/read/28109124/domestication-and-human-demographic-history-in-south-america
#9
S Ivan Perez, María Bárbara Postillone, Diego Rindel
OBJECTIVES: The early groups of hunter-gatherers who peopled South America faced significant ecological changes in their trophic niche for a relatively short period after the initial peopling. In particular, the incorporation of cultigens during the Holocene led to a wider trophic niche and probably to an increased carrying capacity of the environment. Here, we study the relationship between the incorporation of domestic resources during the Holocene and the demographic dynamics of human populations at a regional scale in South America...
January 21, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28109084/mir-5195-3p-inhibits-proliferation-and-invasion-of-human-bladder-cancer-cells-by-directly-targeting-oncogene-klf5
#10
Zhangjie Jiang, Yida Zhang, Runfu Cao, Li Li, Kezhao Zhong, Qingsheng Chen, Jianjun Xiao
MiRNAs played key roles in carcinogenesis of many cancers including bladder cancer. In current study, the role of miR-5195-3p, a quite recently discovered and poorly studied miRNA, in the proliferation and invasion of human bladder cancer cells was investigated. Our data displayed that, compared with the healthy volunteers (control) and SU-HUC-1 human normal bladder epithelial cells, miR-5195-3p was sharply down-regulated in the bladder cancer patients and 5 human bladder cancer cell lines. Then, the oligo miR-5195-3p mimic or miR-5195-3p antagomir was respectively transfected into both T24 and BIU-87 bladder cancer cell lines...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28108922/association-between-heavy-metal-and-metalloid-levels-in-topsoil-and-cancer-mortality-in-spain
#11
Olivier Núñez, Pablo Fernández-Navarro, Iván Martín-Méndez, Alejandro Bel-Lan, Juan F Locutura Rupérez, Gonzalo López-Abente
Spatio-temporal cancer mortality studies in Spain have revealed patterns for some tumours which display a distribution that is similar across the sexes and persists over time. Such characteristics would be common to tumours that shared risk factors, including the geochemical composition of the soil. The aim of this study was to assess the possible association between heavy metal and metalloid levels in topsoil (upper soil horizon) and cancer mortality in mainland Spain. Ecological cancer mortality study at a municipal level, covering 861,440 cancer deaths (27 different tumour locations) in 7917 Spanish mainland towns, from 1999 to 2008...
January 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28108447/mirmine-a-database-of-human-mirna-expression-profiles
#12
Bharat Panwar, Gilbert S Omenn, Yuanfang Guan
MOTIVATION: MicroRNAs (miRNAs) are small non-coding RNAs that are involved in post-transcriptional regulation of gene expression. In this high-throughput sequencing era, a tremendous amount of RNA-seq data is accumulating, and full utilization of publicly available miRNA data is an important challenge. These data are useful to determine expression values for each miRNA, but quantification pipelines are in a primitive stage and still evolving; there are many factors that affect expression values significantly...
January 19, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28107664/safety-and-efficacy-of-cardiopoietic-stem-cells-in-the-treatment-of-post-infarction-left-ventricular-dysfunction-from-cardioprotection-to-functional-repair-in-a-translational-pig-infarction-model
#13
Maximilian Y Emmert, Petra Wolint, Andras Jakab, Sean P Sheehy, Francesco S Pasqualini, Thi Dan Linh Nguyen, Monika Hilbe, Burkhardt Seifert, Benedikt Weber, Chad E Brokopp, Dominika Macejovska, Etem Caliskan, Arnold von Eckardstein, Ruth Schwartlander, Viola Vogel, Volkmar Falk, Kevin Kit Parker, Mariann Gyöngyösi, Simon P Hoerstrup
To date, clinical success of cardiac cell-therapies remains limited. To enhance the cardioreparative properties of stem cells, the concept of lineage-specification through cardiopoietic-guidance has been recently suggested. However, so far, only results from murine studies and from a clinical pilot-trial in chronic heart-failure (CHF) are available, while systematic evidence of its therapeutic-efficacy is still lacking. Importantly, also no data from large animals or for other indications are available. Therefore, we here investigate the therapeutic-efficacy of human cardiopoietic stem cells in the treatment of post-infarction LV-dysfunction using a translational pig-model...
November 23, 2016: Biomaterials
https://www.readbyqxmd.com/read/28107623/dna-advanced-glycation-end-products-dna-ages-are-elevated-in-urine-and-tissue-in-an-animal-model-of-type-2-diabetes
#14
Richard Jaramillo, Sarah C Shuck, Yin S Chan, Xueli Liu, Steven E Bates, Punnajit P Lim, Daniel Tamae, Sandrine Lacoste, Timothy R O'Connor, John Stephen Termini
More precise identification and treatment monitoring of prediabetic/diabetic individuals will require additional biomarkers to complement existing diagnostic tests. Candidates include hyperglycemia-induced adducts such as advanced glycation end products (AGEs) of proteins, lipids, and DNA. The potential for DNA-AGEs as diabetic biomarkers was examined in a longitudinal study using the Leprdb/db animal model of metabolic syndrome. The DNA-AGE, N2-(1-carboxyethyl)-2´-deoxyguanosine (CEdG) was quantified by mass spectrometry using isotope dilution from urine and tissue of hyperglycemic and normoglycemic mice...
January 20, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28107555/participation-in-sports-body-composition-and-fitness-characteristics-in-children-according-to-ethnic-background
#15
Stefania Toselli, Maria Giovanna Belcastro
Participation in sports has important implications, being associated with health and social features. The objectives of this study were to verify whether there were any differences in sport participation between immigrant and Italian children, and if there was any relation with their body composition and fitness characteristics. A survey was conducted on 1432 children attending primary school in the Emilia-Romagna (northern Italy). Anthropometric measurements, fitness characteristics and data about participation in sports were considered...
January 20, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28107542/temporal-segregation-between-dung-inhabiting-beetle-and-fly-species
#16
Frantisek Xaver Jiri Sladecek, Simon Tristram Segar, Colin Lee, Richard Wall, Martin Konvicka
The coexistence of ecologically similar species (i.e. species utilizing the same resource) is a major topic in ecology. Communities are assembled either through the biotic interactions of ecologically similar species, e.g. competition, or by the abiotic separation of species along gradients of environmental conditions. Here, we investigated the temporal segregation, succession and seasonality of dung-inhabiting Coleoptera and Diptera that utilize an identical resource in exactly the same way. The data were collected from two temperate pastures, one in the United Kingdom and the second in the Czech Republic...
2017: PloS One
https://www.readbyqxmd.com/read/28107447/a-software-tool-for-estimation-of-burden-of-infectious-diseases-in-europe-using-incidence-based-disability-adjusted-life-years
#17
Edoardo Colzani, Alessandro Cassini, Daniel Lewandowski, Marie-Josee J Mangen, Dietrich Plass, Scott A McDonald, Alies van Lier, Juanita A Haagsma, Guido Maringhini, Alessandro Pini, Piotr Kramarz, Mirjam E Kretzschmar
The burden of disease framework facilitates the assessment of the health impact of diseases through the use of summary measures of population health such as Disability-Adjusted Life Years (DALYs). However, calculating, interpreting and communicating the results of studies using this methodology poses a challenge. The aim of the Burden of Communicable Disease in Europe (BCoDE) project is to summarize the impact of communicable disease in the European Union and European Economic Area Member States (EU/EEA MS)...
2017: PloS One
https://www.readbyqxmd.com/read/28107009/nmr-and-computation-reveal-a-pressure-sensitive-folded-conformation-of-trp-cage
#18
Soichiro Kitazawa, Martin J Fossat, Scott A McCallum, Angel E Garcia, Catherine Ann Royer
Beyond defining the structure and stability of folded states of proteins, primary amino acid sequences determine all of the features of their conformational landscapes. Characterizing how sequence modulates the population of protein excited states or folding pathways requires atomic level detailed structural and energetic information. Such insight is essential for improving protein design strategies, as well as for interpreting protein evolution. Here, high pressure NMR and molecular dynamics simulations were combined to probe the conformational landscape of a small model protein, the tryptophan cage variant, Tc5b...
January 20, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28106547/phenotype-dependent-interactions-between-n-acetyl-l-aspartate-and-acetyl-coa-in-septal-sn56-cholinergic-cells-exposed-to-an-excess-of-zinc
#19
Marlena Zyśk, Hanna Bielarczyk, Sylwia Gul-Hinc, Aleksandra Dyś, Beata Gapys, Anna Ronowska, Monika Sakowicz-Burkiewicz, Andrzej Szutowicz
Pyruvate dehydrogenase reaction utilizing glucose-derived pyruvate is an almost exclusive source of acetyl-CoA in different cell mitochondrial compartments of the brain. In neuronal mitochondria, the largest fraction of acetyl-CoA is utilized for energy production and the much smaller one for N-acetyl-L-aspartate (NAA) synthesis. Cholinergic neurons, unlike others, require additional amounts of acetyl-CoA for acetylcholine synthesis. Therefore, several neurotoxic signals, which inhibit pyruvate dehydrogenase, generate deeper shortages of acetyl-CoA and greater mortality of cholinergic neurons than noncholinergic ones...
January 20, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28106136/long-term-exposure-to-835%C3%A2-mhz-rf-emf-induces-hyperactivity-autophagy-and-demyelination-in-the-cortical-neurons-of-mice
#20
Ju Hwan Kim, Da-Hyeon Yu, Yang Hoon Huh, Eun Ho Lee, Hyung-Gun Kim, Hak Rim Kim
Radiofrequency electromagnetic field (RF-EMF) is used globally in conjunction with mobile communications. There are public concerns of the perceived deleterious biological consequences of RF-EMF exposure. This study assessed neuronal effects of RF-EMF on the cerebral cortex of the mouse brain as a proxy for cranial exposure during mobile phone use. C57BL/6 mice were exposed to 835 MHz RF-EMF at a specific absorption rate (SAR) of 4.0 W/kg for 5 hours/day during 12 weeks. The aim was to examine activation of autophagy pathway in the cerebral cortex, a brain region that is located relatively externally...
January 20, 2017: Scientific Reports
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