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https://www.readbyqxmd.com/read/27908787/fractionating-the-anterior-temporal-lobe-mvpa-reveals-differential-responses-to-input-and-conceptual-modality
#1
Charlotte Murphy, Shirley-Ann Rueschemeyer, David Watson, Theodoros Karapanagiotidis, Jonathan Smallwood, Elizabeth Jefferies
Words activate cortical regions in accordance with their modality of presentation (i.e., written vs. spoken), yet there is a long-standing debate about whether patterns of activity in any specific brain region capture modality-invariant conceptual information. Deficits in patients with semantic dementia highlight the anterior temporal lobe (ATL) as an amodal store of semantic knowledge but these studies do not permit precise localisation of this function. The current investigation used multiple imaging methods in healthy participants to examine functional dissociations within ATL...
November 28, 2016: NeuroImage
https://www.readbyqxmd.com/read/27907900/insulin-resistance-in-polycystic-ovary-syndrome-a-systematic-review-and-meta-analysis-of-euglycaemic-hyperinsulinaemic-clamp-studies
#2
Samantha Cassar, Marie L Misso, William G Hopkins, Christopher S Shaw, Helena J Teede, Nigel K Stepto
STUDY QUESTION: What is the degree of intrinsic insulin resistance (IR) in women with polycystic ovary syndrome (PCOS) and the relative contribution of BMI to overall IR based on meta-analysis of gold standard insulin clamp studies? SUMMARY ANSWER: We report an inherent reduction (-27%) of insulin sensitivity (IS) in PCOS patients, which was independent of BMI. WHAT IS ALREADY KNOWN: PCOS is prevalent, complex and underpinned by IR but controversies surround the degree of intrinsic IR in PCOS, the effect of BMI and the impact of the different diagnostic criteria (NIH versus Rotterdam) in PCOS...
November 2016: Human Reproduction
https://www.readbyqxmd.com/read/27906047/propranolol-and-survival-from-breast-cancer-a-pooled-analysis-of-european-breast-cancer-cohorts
#3
Chris R Cardwell, Anton Pottegård, Evelien Vaes, Hans Garmo, Liam J Murray, Chris Brown, Pauline A J Vissers, Michael O'Rorke, Kala Visvanathan, Deirdre Cronin-Fenton, Harlinde De Schutter, Mats Lambe, Des G Powe, Myrthe P P van Herk-Sukel, Anna Gavin, Søren Friis, Linda Sharp, Kathleen Bennett
BACKGROUND: Preclinical studies have demonstrated that propranolol inhibits several pathways involved in breast cancer progression and metastasis. We investigated whether breast cancer patients who used propranolol, or other non-selective beta-blockers, had reduced breast cancer-specific or all-cause mortality in eight European cohorts. METHODS: Incident breast cancer patients were identified from eight cancer registries and compiled through the European Cancer Pharmacoepidemiology Network...
December 1, 2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27902866/bacterial-community-collapse-a-meta-analysis-of-the-sinonasal-microbiota-in-chronic-rhinosinusitis
#4
Brett Wagner Mackenzie, David W Waite, Michael Hoggard, Richard G Douglas, Michael W Taylor, Kristi Biswas
Chronic rhinosinusitis (CRS) is a common, debilitating condition characterized by long-term inflammation of the nasal cavity and paranasal sinuses. The role of the sinonasal bacteria in CRS is unclear. We conducted a meta-analysis combining and reanalyzing published bacterial 16S rRNA sequence data to explore differences in sinonasal bacterial community composition and predicted function between healthy and CRS affected subjects. The results identify the most abundant bacteria across all subjects as Staphylococcus, Propionibacterium, Corynebacterium, Streptococcus, and an unclassified lineage of Actinobacteria...
November 30, 2016: Environmental Microbiology
https://www.readbyqxmd.com/read/27900688/degradation-network-reconstruction-guided-by-metagenomic-data
#5
Rafael Bargiela, Manuel Ferrer
Network reconstruction procedures based on meta-"omics" data are an invaluable tool for inferring total and active set of reactions mediated by different members in a microbial community. Within them, network-based methods for automatic analysis of catabolic capacities in metagenomes are currently limited. Here, we describe the complete workflow, scripts, and commands allowing the automatic reconstruction of biodegradation networks using as an input meta-sequences generated by direct DNA sequencing.
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27899990/microarray-analysis-of-differentially-expressed-genes-and-linker-genes-associated-with-the-molecular-mechanism-of-colorectal-cancer
#6
Xingjie Shen, Meng Yue, Fansheng Meng, Jingyu Zhu, Xiaoyan Zhu, Yakun Jiang
Colorectal cancer (CRC) is one of the most prevalent malignancies worldwide and remains the third leading cause of cancer-associated mortality. The present study aimed to fully elucidate the pathogenesis of CRC and identify associated genes in tumor development. Microarray GSE44076, GSE41328 and GSE44861 datasets were downloaded from the Gene Expression Omnibus database and integrated with meta-analysis. Differentially-expressed genes (DEGs) were identified from CRC samples compared with adjacent non-cancerous controls using the Limma package in R, followed by functional analysis using the Database for Annotation, Visualization, and Integrated Discovery online tool...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27899403/meta-analysis-of-genome-wide-association-studies-for-abdominal-aortic-aneurysm-identifies-four-new-disease-specific-risk-loci
#7
Gregory T Jones, Gerard Tromp, Helena Kuivaniemi, Solveig Gretarsdottir, Annette F Baas, Betti Giusti, Ewa Strauss, Femke N van 't Hof, Thomas Webb, Robert Erdman, Marylyn D Ritchie, James R Elmore, Anurag Verma, Sarah Pendergrass, Iftikhar J Kullo, Zi Ye, Peggy L Peissig, Omri Gottesman, Shefali S Verma, Jennifer Malinowski, Laura J Rasmussen-Torvik, Kenneth Borthwick, Diane T Smelser, David R Crosslin, Mariza de Andrade, Evan J Ryer, Catherine A McCarty, Erwin P Bottinger, Jennifer A Pacheco, Dana C Crawford, David S Carrell, Glenn S Gerhard, David P Franklin, David J Carey, Victoria L Phillips, Michael J Williams, Wenhua Wei, Ross Blair, Andrew A Hill, Thodur M Vasudevan, David R Lewis, Ian A Thomson, Jo Krysa, Geraldine B Hill, Justin Roake, Tony R Merriman, Grzegorz Oszkinis, Silvia Galora, Claudia Saracini, Rosanna Abbate, Raffaele Pulli, Carlo Pratesi, Athanasios Saratzis, Anna Verissimo, Suzannah J Bumpstead, Stephen A Badger, Rachel E Clough, Gillian W Cockerill, Hany Hafez, D J Scott, T S Futers, Simon P Romaine, Katherine Bridge, Kathryn J Griffin, Marc A Bailey, Alberto Smith, Matt M Thompson, Frank van Bockxmeer, Stefan E Matthiasson, Gudmar Thorleifsson, Unnur Thorsteinsdottir, Jan D Blankensteijn, Joep A Teijink, Cisca Wijmenga, Jacqueline de Graaf, Lambertus A Kiemeney, Jes S Lindholt, Anne E Hughes, Declan T Bradley, Kathleen Stirrups, Jonathan Golledge, Paul E Norman, Janet T Powell, Steve E Humphries, Stephen E Hamby, Alison H Goodall, Christopher P Nelson, Natzi Sakalihasan, Audrey Courtois, Robert E Ferrell, Per Eriksson, Lasse Folkersen, Anders Franco-Cereceda, John D Eicher, Andrew D Johnson, Christer Betsholtz, Arno Ruusalepp, Oscar Franzén, Eric Schadt, Johan L Björkegren, Leonard Lipovich, Anne M Drolet, Eric Verhoeven, Clark J Zeebregts, Robert H Geelkerken, Marc R van Sambeek, Steven M van Sterkenburg, Jean-Paul P de Vries, Kari Stefansson, John R Thompson, Paul I de Bakker, Panos Deloukas, Robert D Sayers, Seamus Harrison, Andre M van Rij, Nilesh J Samani, Matthew J Bown
RATIONALE: Abdominal aortic aneurysm (AAA) is a complex disease with both genetic and environmental risk factors. Together, 6 previously identified risk loci only explain a small proportion of the heritability of AAA. OBJECTIVE: To identify additional AAA risk loci using data from all available genome-wide association studies (GWAS). METHODS AND RESULTS: Through a meta-analysis of 6 GWAS datasets and a validation study totalling 10,204 cases and 107,766 controls we identified 4 new AAA risk loci: 1q32...
November 29, 2016: Circulation Research
https://www.readbyqxmd.com/read/27894828/the-effect-of-strategies-goals-and-stimulus-material-on-the-neural-mechanisms-of-emotion-regulation-a-meta-analysis-of-fmri-studies
#8
REVIEW
Carmen Morawetz, Stefan Bode, Birgit Derntl, Hauke R Heekeren
Emotion regulation comprises all extrinsic and intrinsic control processes whereby people monitor, evaluate and modify the occurrence, intensity and duration of emotional reactions. Here we sought to quantitatively summarize the existing neuroimaging literature to investigate a) whether different emotion regulation strategies are based on different or the same neural networks; b) which brain regions in particular support the up- and down-regulation of emotions, respectively; and c) to which degree the neural networks realising emotion regulation depend on the stimulus material used to elicit emotions...
November 25, 2016: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/27892526/comprehensive-gene-expression-meta-analysis-and-integrated-bioinformatic-approaches-reveal-shared-signatures-between-thrombosis-and-myeloproliferative-disorders
#9
Prabhash Kumar Jha, Aatira Vijay, Anita Sahu, Mohammad Zahid Ashraf
Thrombosis is a leading cause of morbidity and mortality in patients with myeloproliferative disorders (MPDs), particularly polycythemia vera (PV) and essential thrombocythemia (ET). Despite the attempts to establish a link between them, the shared biological mechanisms are yet to be characterized. An integrated gene expression meta-analysis of five independent publicly available microarray data of the three diseases was conducted to identify shared gene expression signatures and overlapping biological processes...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27889300/tofacitinib-versus-biologic-treatments-in-patients-with-active-rheumatoid-arthritis-who-have-had-an-inadequate-response-to-tumor-necrosis-factor-inhibitors-results-from-a-network-meta-analysis
#10
Maria-Cecilia Vieira, Samuel H Zwillich, Jeroen P Jansen, Brielan Smiechowski, Dean Spurden, Gene V Wallenstein
PURPOSE: Tofacitinib is an oral Janus kinase inhibitor for the treatment of rheumatoid arthritis (RA). This analysis compared the efficacy and safety of tofacitinib with biologic disease-modifying antirheumatic drugs in patients with RA and a prior inadequate response (IR) to tumor necrosis factor inhibitors (TNFi). METHODS: A systematic literature review identified 5 randomized placebo-controlled trials that evaluated tofacitinib or biologic disease-modifying antirheumatic drugs (bDMARDs) against placebo in patient populations with RA with a prior IR to TNFi...
November 23, 2016: Clinical Therapeutics
https://www.readbyqxmd.com/read/27887721/comparative-multimodal-meta-analysis-of-structural-and-functional-brain-abnormalities-in-autism-spectrum-disorder-and-obsessive-compulsive-disorder
#11
Christina O Carlisi, Luke J Norman, Steve S Lukito, Joaquim Radua, David Mataix-Cols, Katya Rubia
BACKGROUND: Autism spectrum disorder (ASD) and obsessive-compulsive disorder (OCD) share inhibitory control deficits possibly underlying poor control over stereotyped and repetitive g., v/r/ dACC /MPFC); and (iv) to indicate a pathway (e.g., if this is a pathway: bilateral putamen/caudate/nucleus accumbens / pallidum /amygdala/insula). BPS style does not allow virgules to be used to represent expressions of duality or alternatives. Please express these as and/or, and, or or . BPS style does not allow virgules to be used to represent a compound modifier such as "rostral/ dorsomedial ," which should be changed to hyphen(s), such as rostral- dorsomedial ...
October 13, 2016: Biological Psychiatry
https://www.readbyqxmd.com/read/27884175/network-meta-analyses-performed-by-contracting-companies-and-commissioned-by-industry
#12
Ewoud Schuit, John Pa Ioannidis
BACKGROUND: Industry commissions contracting companies to perform network meta-analysis for health technology assessment (HTA) and reimbursement submissions. Our objective was to estimate the number of network meta-analyses performed by consulting companies contracted by industry, to assess whether they were published, and to explore reasons for non-publication. METHODS: We searched MEDLINE for network meta-analyses of randomized trials. Papers were included if they had authors affiliated with any contracting company...
November 25, 2016: Systematic Reviews
https://www.readbyqxmd.com/read/27876847/a-simplified-computational-memory-model-from-information-processing
#13
Lanhua Zhang, Dongsheng Zhang, Yuqin Deng, Xiaoqian Ding, Yan Wang, Yiyuan Tang, Baoliang Sun
This paper is intended to propose a computational model for memory from the view of information processing. The model, called simplified memory information retrieval network (SMIRN), is a bi-modular hierarchical functional memory network by abstracting memory function and simulating memory information processing. At first meta-memory is defined to express the neuron or brain cortices based on the biology and graph theories, and we develop an intra-modular network with the modeling algorithm by mapping the node and edge, and then the bi-modular network is delineated with intra-modular and inter-modular...
November 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27876667/comparative-efficacy-and-acceptability-of-electroconvulsive-therapy-versus-repetitive-transcranial-magnetic-stimulation-for-major-depression-a-systematic-review-and-multiple-treatments-meta-analysis
#14
Jian-Jun Chen, Li-Bo Zhao, Yi-Yun Liu, Song-Hua Fan, Peng Xie
BACKGROUNDS: The effects of electroconvulsive therapy (ECT) and bilateral, left prefrontal, and right prefrontal repetitive transcranial magnetic stimulation (rTMS) on major depressive disorder (MDD) have not been adequately addressed by previous studies. Here, a multiple-treatments meta-analysis, which incorporates evidence from direct and indirect comparisons from a network of trials, was performed to assess the efficacy and acceptability of these four treatment modalities on MDD. METHOD: The literature was searched for randomized controlled trials (RCTs) on ECT, bilateral rTMS, and unilateral rTMS for treating MDD up to May 2016...
November 19, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27872612/systems-biomedicine-of-rabies-delineates-the-affected-signaling-pathways
#15
Sadegh Azimzadeh Jamalkandi, Sayed-Hamidreza Mozhgani, Hamid Gholami Pourbadie, Mehdi Mirzaie, Farshid Noorbakhsh, Behrouz Vaziri, Alireza Gholami, Naser Ansari-Pour, Mohieddin Jafari
The prototypical neurotropic virus, rabies, is a member of the Rhabdoviridae family that causes lethal encephalomyelitis. Although there have been a plethora of studies investigating the etiological mechanism of the rabies virus and many precautionary methods have been implemented to avert the disease outbreak over the last century, the disease has surprisingly no definite remedy at its late stages. The psychological symptoms and the underlying etiology, as well as the rare survival rate from rabies encephalitis, has still remained a mystery...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27872591/mild-cognitive-impairment-is-not-mild-at-all-in-altered-activation-of-episodic-memory-brain-networks-evidence-from-ale-meta-analysis
#16
Pengyun Wang, Juan Li, Hui-Jie Li, Lijuan Huo, Rui Li
The present study conducted a quantitative meta-analysis aiming at assessing consensus across the functional neuroimaging studies of episodic memory in individuals with amnestic mild cognitive impairment (aMCI) and elucidating consistent activation patterns. An activation likelihood estimation (ALE) was conducted on the functional neuroimaging studies of episodic encoding and retrieval in aMCI individuals published up to March 31, 2015. Analyses covered 24 studies, which yielded 770 distinct foci. Compared to healthy controls, aMCI individuals showed statistically significant consistent activation differences in a widespread episodic memory network, not only in the bilateral medial temporal lobe and prefrontal cortex, but also in the angular gyrus, precunes, posterior cingulate cortex, and even certain more basic structures...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27866194/efficacy-of-bevacizumab-in-the-first-line-treatment-of-patients-with-ras-mutations-metastatic-colorectal-cancer-a-systematic-review-and-network-meta-analysis
#17
Mingyi Zhou, Ping Yu, Jinglei Qu, Ying Chen, Yang Zhou, Lingyu Fu, Jingdong Zhang
BACKGROUND/AIMS: Whether patients with RAS mutation metastatic colorectal cancer (mCRC) obtain benefits from bevacizumab added to first-line chemotherapy remains unclear. METHODS: PubMed, Cochrane Systematic Reviews, the Cochrane Collaboration Central Register of Controlled Clinical Trials, ClinicalTrials.gov, and the American Society of Clinical Oncology and European Society for Medical Oncology databases were searched to identify abstracts for randomized controlled trials (RCTs) evaluating the efficacy of bevacizumab for the first-line treatment of patients with RAS mutations mCRC from inception to the end of April 2016...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27865945/episiotomy-in-vacuum-assisted-delivery-affects-the-risk-of-obstetric-anal-sphincter-injury-a-systematic-review-and-meta-analysis
#18
REVIEW
Ninna S Lund, Lisa K G Persson, Hanna Jangö, Ditte Gommesen, Hanne B Westergaard
The risk of obstetric anal sphincter injury (OASIS) is increased in vacuum-assisted delivery. However, it remains unclear whether episiotomy may protect against OASIS in this type of delivery. The objective of this study was to assess whether mediolateral or lateral episiotomy affects the risk of OASIS in vacuum-assisted delivery among primiparous women. Data were found searching The PubMed, Cochrane library and Embase databases electronically. Studies investigating the risk of OASIS in vacuum-assisted delivery with and without the use of mediolateral or lateral episiotomy were considered for inclusion...
October 26, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27865639/a-network-meta-analysis-of-randomized-controlled-trials-comparing-treatment-modalities-for-de-novo-superficial-femoral-artery-occlusive-lesions
#19
REVIEW
Constantine N Antonopoulos, Spyridon N Mylonas, Konstantinos G Moulakakis, Theodoros N Sergentanis, George S Sfyroeras, Andreas M Lazaris, John D Kakisis, Spyros N Vasdekis
BACKGROUND: Treatment of superficial femoral artery (SFA) lesions remains challenging. We conducted a network meta-analysis of randomized controlled trials aiming to explore the efficacy of treatment modalities for SFA "de novo" lesions. METHODS: Eleven treatments for SFA occlusive disease were recognized. We used primary patency and binary restenosis at 12-month follow-up as proxies of efficacy for the treatment of SFA lesions. RESULTS: A total of 33 studies (66 study arms; 4659 patients) were deemed eligible...
November 16, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27864343/lessons-learned-from-restoring-study-329-transparent-reporting-open-databases-and-network-meta-analyses-as-the-way-forward
#20
Sarah Barber, Andrea Cipriani
No abstract text is available yet for this article.
November 17, 2016: Australian and New Zealand Journal of Psychiatry
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