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https://www.readbyqxmd.com/read/28641383/neuroprotection-in-stroke-the-importance-of-collaboration-and-reproducibility
#1
Ain A Neuhaus, Yvonne Couch, Gina Hadley, Alastair M Buchan
Acute ischaemic stroke accounts for 6.5 million deaths per year, and by 2030 will result in the annual loss of over 200 million disability-adjusted life years globally. There have been considerable recent advances in the gold standard of acute ischaemic stroke treatment, some aspects of which-aspirin to prevent recurrence, and treating patients in specialized stroke wards-are widely applicable. Recanalization of the occluded artery through thrombolysis and/or endovascular thrombectomy is restricted to only a small proportion of patients, due to contra-indications and the costs associated with establishing the infrastructure to deliver these treatments...
June 20, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28641336/suppression-of-forkhead-box-protein-o1-foxo1-transcription-factor-may-promote-adrenocortical-tumorigenesis
#2
Adam Stenman, Timothy Murtha, Reju Korah, Tobias Carling
Despite recent comprehensive genetic analyses, molecular evidence for a pathophysiological continuum linking benign adrenocortical adenoma (ACA) and highly aggressive adrenocortical carcinoma (ACC) is still elusive. Using human tumor samples and the established ACC cell line SW-13, this study investigated potential regulatory roles for FOXO transcription factors, in modulating adrenocortical tumorigenesis. Adrenocortical tumor specimens (20 ACAs, 10 ACCs, and 9 normal adrenal tissue samples) obtained from 30 patients were analyzed for ubiquitously expressed FOXO transcription factors, FOXO1 and FOXO3 using qRT-PCR and immunohistochemistry...
June 22, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28641282/health-related-genetic-direct-to-consumer-tests-in-the-german-setting-the-available-offer-and-the-potential-implications-for-a-solidarily-financed-health-care-system
#3
Marika Plöthner, Mike Klora, Daniel Rudolph, Johann-Matthias Graf von der Schulenburg
BACKGROUND: The global genetic direct-to-consumer (DTC) market will reach a volume of USD 230 billion in 2018. The expenditures for this genetic analysis are borne by the customer, whereas consequential costs may arise for a solidarily financed system. In a first step, it is essential to gain an overview of the currently available offer in the German setting. METHODS: In April 2016, we conducted a systematic internet search in the Google search engine. In November 2016, we updated the information of the webpages in terms of country, language, types of health-related tests, additional offer of non-health-related DTC test, information about sensitivity and specificity, certification and accreditation, costs as well as reference to German Act on Genetic Testing...
June 23, 2017: Public Health Genomics
https://www.readbyqxmd.com/read/28641272/aggregation-analysis-for-competitive-multiagent-systems-with-saddle-points-via-switching-strategies
#4
Liying Zhu, Zhengrong Xiang
This paper addresses the aggregation issues of competitive multiagent systems (CMASs) consisting of competitive agents with multimodes and saddle points. In such CMASs, due to existing mutual competitions, every agent is equipped with finite multimodes, and every mode in any agent is described as a second-order linear time-invariant (LTI) control system. When the origin is the same saddle point of all modes of agents, to investigate aggregation of the CMASs with switching strategies, we first use switched LTI systems with saddle points to formulate such CMASs...
June 16, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28641259/face-hallucination-using-linear-models-of-coupled-sparse-support
#5
Reuben A Farrugia, Christine Guillemot
Most face super-resolution methods assume that low- and high-resolution manifolds have similar local geometrical structure, hence learn local models on the low-resolution manifold (e.g. sparse or locally linear embedding models), which are then applied on the high- resolution manifold. However, the low-resolution manifold is distorted by the one-to-many relationship between low- and high- resolution patches. This paper presents the Linear Model of Coupled Sparse Support (LM-CSS) method which learns linear models based on the local geometrical structure on the high-resolution manifold rather than on the low-resolution manifold...
June 19, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28641252/an-embedded-marked-point-process-framework-for-three-level-object-population-analysis
#6
Csaba Benedek
In this paper we introduce a probabilistic approach for extracting complex hierarchical object structures from digital images used by various vision applications. The proposed framework extends conventional Marked Point Process (MPP) models by (i) admitting object-subobject ensembles in parent-child relationships and (ii) allowing corresponding objects to form coherent object groups, by a Bayesian segmentation of the population. Different from earlier, highly domain specific attempts on MPP generalization, the proposed model is defined at an abstract level, providing clear interfaces for applications in various domains...
June 15, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28641245/data-visualization-with-structural-control-of-global-cohort-and-local-data-neighborhoods
#7
Tingting Mu, Yannis John Goulermas, Sophia Ananiadou
A typical objective of data visualization is to generate low-dimensional plots that maximally convey the information within the data. The visualization output should help the user to not only identify the local neighborhood structure of individual samples, but also obtain a global view of the relative positioning and separation between cohorts. Here, we propose a very novel visualization framework designed to satisfy these needs. By incorporating additional cohort positioning and discriminative constraints into local neighbor preservation models through the use of computed cohort prototypes, effective control over the arrangements and proximities of data cohorts can be obtained...
June 15, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28641216/psychoeducational-groups-for-adults-with-adhd-and-their-significant-others-pegasus-a-pragmatic-multicenter-and-randomized-controlled-trial
#8
T Hirvikoski, T Lindström, J Carlsson, E Waaler, J Jokinen, S Bölte
OBJECTIVE: To examine the feasibility, efficacy, and effectiveness of PEGASUS, a group-based structured psychoeducation for adults with ADHD and their significant others. METHOD: A pragmatic parallel group add-on design multicenter randomized controlled trial was conducted, comparing an 8-session treatment with PEGASUS (allocated n=97; 48 with ADHD and 49 with significant others) to treatment as usual (TAU, allocated n=82; 39 with ADHD and 43 significant others)...
May 9, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28641149/thyroid-autoimmunity-in-bipolar-disorder-a-systematic-review
#9
REVIEW
Margherita Barbuti, André F Carvalho, Cristiano A Köhler, Andrea Murru, Norma Verdolini, Giovanni Guiso, Ludovic Samalin, Michael Maes, Brendon Stubbs, Giulio Perugi, Eduard Vieta, Isabella Pacchiarotti
BACKGROUND: Accumulating evidence points to the pathophysiological relevance between immune dysfunction and mood disorders. High rates of thyroid dysfunction have been found in patients with bipolar disorder (BD), compared to the general population. A systematic review of the relationship between BD and thyroid autoimmunity was performed. METHODS: Pubmed, EMBASE and PsycINFO databases were searched up till January 28th, 2017. This review has been conducted according to the PRISMA statements...
June 13, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28641109/rare-copy-number-variants-in-nrxn1-and-cntn6-increase-risk-for-tourette-syndrome
#10
Alden Y Huang, Dongmei Yu, Lea K Davis, Jae Hoon Sul, Fotis Tsetsos, Vasily Ramensky, Ivette Zelaya, Eliana Marisa Ramos, Lisa Osiecki, Jason A Chen, Lauren M McGrath, Cornelia Illmann, Paul Sandor, Cathy L Barr, Marco Grados, Harvey S Singer, Markus M Nöthen, Johannes Hebebrand, Robert A King, Yves Dion, Guy Rouleau, Cathy L Budman, Christel Depienne, Yulia Worbe, Andreas Hartmann, Kirsten R Müller-Vahl, Manfred Stuhrmann, Harald Aschauer, Mara Stamenkovic, Monika Schloegelhofer, Anastasios Konstantinidis, Gholson J Lyon, William M McMahon, Csaba Barta, Zsanett Tarnok, Peter Nagy, James R Batterson, Renata Rizzo, Danielle C Cath, Tomasz Wolanczyk, Cheston Berlin, Irene A Malaty, Michael S Okun, Douglas W Woods, Elliott Rees, Carlos N Pato, Michele T Pato, James A Knowles, Danielle Posthuma, David L Pauls, Nancy J Cox, Benjamin M Neale, Nelson B Freimer, Peristera Paschou, Carol A Mathews, Jeremiah M Scharf, Giovanni Coppola
Tourette syndrome (TS) is a model neuropsychiatric disorder thought to arise from abnormal development and/or maintenance of cortico-striato-thalamo-cortical circuits. TS is highly heritable, but its underlying genetic causes are still elusive, and no genome-wide significant loci have been discovered to date. We analyzed a European ancestry sample of 2,434 TS cases and 4,093 ancestry-matched controls for rare (< 1% frequency) copy-number variants (CNVs) using SNP microarray data. We observed an enrichment of global CNV burden that was prominent for large (> 1 Mb), singleton events (OR = 2...
June 21, 2017: Neuron
https://www.readbyqxmd.com/read/28641108/high-speed-and-scalable-whole-brain-imaging-in-rodents-and-primates
#11
Kaoru Seiriki, Atsushi Kasai, Takeshi Hashimoto, Wiebke Schulze, Misaki Niu, Shun Yamaguchi, Takanobu Nakazawa, Ken-Ichi Inoue, Shiori Uezono, Masahiko Takada, Yuichiro Naka, Hisato Igarashi, Masato Tanuma, James A Waschek, Yukio Ago, Kenji F Tanaka, Atsuko Hayata-Takano, Kazuki Nagayasu, Norihito Shintani, Ryota Hashimoto, Yasuto Kunii, Mizuki Hino, Junya Matsumoto, Hirooki Yabe, Takeharu Nagai, Katsumasa Fujita, Toshio Matsuda, Kazuhiro Takuma, Akemichi Baba, Hitoshi Hashimoto
Subcellular resolution imaging of the whole brain and subsequent image analysis are prerequisites for understanding anatomical and functional brain networks. Here, we have developed a very high-speed serial-sectioning imaging system named FAST (block-face serial microscopy tomography), which acquires high-resolution images of a whole mouse brain in a speed range comparable to that of light-sheet fluorescence microscopy. FAST enables complete visualization of the brain at a resolution sufficient to resolve all cells and their subcellular structures...
June 21, 2017: Neuron
https://www.readbyqxmd.com/read/28641056/the-odd-couple-using-biomedical-and-intersectional-approaches-to-address-health-inequities
#12
Olena Hankivsky, Lesley Doyal, Gillian Einstein, Ursula Kelly, Janet Shim, Lynn Weber, Robin Repta
BACKGROUND: Better understanding and addressing health inequities is a growing global priority. OBJECTIVE: In this paper, we contribute to the literature examining complex relationships between biological and social dimensions in the field of health inequalities. Specifically, we explore the potential of intersectionality to advance current approaches to socio-biological entwinements. DESIGN: We provide a brief overview of current approaches to combining both biological and social factors in a single study, and then investigate the contributions of an intersectional framework to such work...
January 2017: Global Health Action
https://www.readbyqxmd.com/read/28640939/global-transcriptome-and-co-expression-network-analyses-reveal-cultivar-specific-molecular-signatures-associated-with-seed-development-and-seed-size-weight-determination-in-chickpea
#13
Rohini Garg, Vikash K Singh, Mohan Singh Rajkumar, Vinay Kumar, Mukesh Jain
Seed development is an intricate process regulated via a complex transcriptional regulatory network. To understand the molecular mechanisms governing seed development and seed size/weight in chickpea, we performed a comprehensive analysis of transcriptome dynamics during seed development in two cultivars with contrasting seed size/weight (small seeded, Himchana 1 and large-seeded, JGK 3). Our analysis identified stage-specific expression for a significant proportion (>13%) of the genes. About one-fourth of total genes exhibited significant differential expression in JGK 3 as compared to Himchana 1...
June 22, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28640866/diet-induced-adipose-tissue-expansion-is-mitigated-in-mice-with-a-targeted-inactivation-of-mesoderm-specific-transcript-mest
#14
Rea P Anunciado-Koza, Justin Manuel, Randall L Mynatt, Jingying Zhang, Leslie P Kozak, Robert A Koza
Interindividual variation of white adipose tissue (WAT) expression of mesoderm specific transcript (Mest), a paternally-expressed imprinted gene belonging to the α/β-hydrolase fold protein family, becomes apparent among genetically inbred mice fed high fat diet (HFD) and is positively associated with adipose tissue expansion (ATE). To elucidate a role for MEST in ATE, mice were developed with global and adipose tissue inactivation of Mest. Mice with homozygous (MestgKO) and paternal allelic (MestpKO) inactivation of Mest were born at expected Mendelian frequencies, showed no behavioral or physical abnormalities, and did not perturb expression of the Mest locus-derived microRNA miR-335...
2017: PloS One
https://www.readbyqxmd.com/read/28640863/induced-pluripotent-stem-cell-derived-limbal-epithelial-cells-lipsc-as-a-cellular-alternative-for-in-vitro-ocular-toxicity-testing
#15
Edith Aberdam, Isabelle Petit, Linda Sangari, Daniel Aberdam
Induced pluripotent stem cells hold great potential to produce unlimited amount of differentiated cells as cellular source for regenerative medicine but also for in vitro drug screening and cytotoxicity tests. Ocular toxicity testing is mandatory to evaluate the risks of drugs and cosmetic products before their application to human patients by preventing eye irritation or insult. Since the global ban to use animals, many human-derived alternatives have been proposed, from ex-vivo enucleated postmortem cornea, primary corneal cell culture and immortalized corneal epithelial cell lines...
2017: PloS One
https://www.readbyqxmd.com/read/28640861/inhibition-of-nf-%C3%AE%C2%BAb-improves-the-stress-resistance-and-myogenic-differentiation-of-mdspcs-isolated-from-naturally-aged-mice
#16
Jonathan D Proto, Aiping Lu, Akaitz Dorronsoro, Alex Scibetta, Paul D Robbins, Laura J Niedernhofer, Johnny Huard
A decline in the regenerative capacity of adult stem cells with aging is well documented. As a result of this decline, the efficacy of autologous stem cell therapies is likely to decline with increasing donor age. In these cases, strategies to restore the function of aged stem cells would have clinical utility. Globally, the transcription factor NF-κB is up-regulated in aged tissues. Given the negative role that NF-κB plays in myogenesis, we investigated whether the age-related decline in the function of muscle-derived stem/progenitor cells (MDSPCs) could be improved by inhibition of NF-κB...
2017: PloS One
https://www.readbyqxmd.com/read/28640831/ribosomal-dna-copy-number-loss-and-sequence-variation-in-cancer
#17
Baoshan Xu, Hua Li, John M Perry, Vijay Pratap Singh, Jay Unruh, Zulin Yu, Musinu Zakari, William McDowell, Linheng Li, Jennifer L Gerton
Ribosomal DNA is one of the most variable regions in the human genome with respect to copy number. Despite the importance of rDNA for cellular function, we know virtually nothing about what governs its copy number, stability, and sequence in the mammalian genome due to challenges associated with mapping and analysis. We applied computational and droplet digital PCR approaches to measure rDNA copy number in normal and cancer states in human and mouse genomes. We find that copy number and sequence can change in cancer genomes...
June 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28640828/bovine-leukemia-virus-linked-to-breast-cancer-in-australian-women-and-identified-before-breast-cancer-development
#18
Gertrude C Buehring, HuaMin Shen, Daniel A Schwartz, James S Lawson
Bovine leukemia virus (BLV), a common virus of cattle globally, was believed for decades not to infect humans. More recent techniques (in situ PCR and DNA sequencing) enabled detection of BLV in human breast tissue, and determination of its significant association with breast cancer in a US population. Using similar techniques to study 96 Australian women, we report here detection of retrotranscribed BLV DNA in breast tissue of 40/50(80%) of women with breast cancer versus 19/46(41%) of women with no history of breast cancer, indicating an age-adjusted odds ratio and confidence interval of 4...
2017: PloS One
https://www.readbyqxmd.com/read/28640825/olfactory-learning-without-the-mushroom-bodies-spiking-neural-network-models-of-the-honeybee-lateral-antennal-lobe-tract-reveal-its-capacities-in-odour-memory-tasks-of-varied-complexities
#19
HaDi MaBouDi, Hideaki Shimazaki, Martin Giurfa, Lars Chittka
The honeybee olfactory system is a well-established model for understanding functional mechanisms of learning and memory. Olfactory stimuli are first processed in the antennal lobe, and then transferred to the mushroom body and lateral horn through dual pathways termed medial and lateral antennal lobe tracts (m-ALT and l-ALT). Recent studies reported that honeybees can perform elemental learning by associating an odour with a reward signal even after lesions in m-ALT or blocking the mushroom bodies. To test the hypothesis that the lateral pathway (l-ALT) is sufficient for elemental learning, we modelled local computation within glomeruli in antennal lobes with axons of projection neurons connecting to a decision neuron (LHN) in the lateral horn...
June 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28640822/effective-treatment-options-for-musculoskeletal-pain-in-primary-care-a-systematic-overview-of-current-evidence
#20
Opeyemi O Babatunde, Joanne L Jordan, Danielle A Van der Windt, Jonathan C Hill, Nadine E Foster, Joanne Protheroe
BACKGROUND & AIMS: Musculoskeletal pain, the most common cause of disability globally, is most frequently managed in primary care. People with musculoskeletal pain in different body regions share similar characteristics, prognosis, and may respond to similar treatments. This overview aims to summarise current best evidence on currently available treatment options for the five most common musculoskeletal pain presentations (back, neck, shoulder, knee and multi-site pain) in primary care...
2017: PloS One
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