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https://www.readbyqxmd.com/read/28103259/characterization-and-genetic-variation-of-vibrio-cholerae-isolated-from-clinical-and-environmental-sources-in-thailand
#1
Achiraya Siriphap, Pimlapas Leekitcharoenphon, Rolf S Kaas, Chonchanok Theethakaew, Frank M Aarestrup, Orasa Sutheinkul, Rene S Hendriksen
Cholera is still an important public health problem in several countries, including Thailand. In this study, a collection of clinical and environmental V. cholerae serogroup O1, O139, and non-O1/non-O139 strains originating from Thailand (1983 to 2013) was characterized to determine phenotypic and genotypic traits and to investigate the genetic relatedness. Using a combination of conventional methods and whole genome sequencing (WGS), 78 V. cholerae strains were identified. WGS was used to determine the serogroup, biotype, virulence, mobile genetic elements, and antimicrobial resistance genes using online bioinformatics tools...
2017: PloS One
https://www.readbyqxmd.com/read/28102879/the-conservative-and-pharmacological-management-of-chronic-subdural-haematoma
#2
Jehuda Soleman, Fabio Noccera, Luigi Mariani
Chronic subdural haematoma (cSDH), one of the most common neurosurgical entities, occurs typically in elderly patients. The incidence is expected to double by the year 2030, owing to the continuous aging of the population. Surgery is usually the treatment of choice, but conservative treatment may be a good alternative in some situations. We provide a systematic review of studies analysing the conservative treatment options and the natural history of cSDH. Of 231 articles screened, 35 were included in this systematic review...
January 19, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28100577/late-spontaneous-decapsulation-of-the-kidney-graft-in-a-patient-with-hepatitis-c-and-treated-with-sirolimus-possible-pathophysiological-association-in-a-rare-complication
#3
Rita Leal, Helena Pinto, Rui Alves, Arnaldo Figueiredo
Late decapsulation with fluid collection is a rare complication of renal transplantation with deleterious effects on kidney function. Its physiopathology is unclear but there might be an association with mammalian target of rapamycin (m-TOR) inhibitors, especially in patients with chronic hepatitis C. We report a case of late spontaneous decapsulation 12 years after kidney transplant in a patient infected with hepatitis C under treatment with sirolimus. He underwent marsupialisation of the collection, sirolimus was converted to cyclosporine and hepatitis C treatment was performed with success...
January 18, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28099973/effect-size-estimation-in-neuroimaging
#4
Marianne C Reddan, Martin A Lindquist, Tor D Wager
No abstract text is available yet for this article.
January 11, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28096180/nutrient-sensing-and-tor-signaling-in-yeast-and-mammals
#5
REVIEW
Asier González, Michael N Hall
Coordinating cell growth with nutrient availability is critical for cell survival. The evolutionarily conserved TOR (target of rapamycin) controls cell growth in response to nutrients, in particular amino acids. As a central controller of cell growth, mTOR (mammalian TOR) is implicated in several disorders, including cancer, obesity, and diabetes. Here, we review how nutrient availability is sensed and transduced to TOR in budding yeast and mammals. A better understanding of how nutrient availability is transduced to TOR may allow novel strategies in the treatment for mTOR-related diseases...
January 17, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28089208/the-reconstructive-options-for-oropharyngeal-defects-in-the-transoral-robotic-surgery-framework
#6
Giuseppe Meccariello, Filippo Montevecchi, Rossella Sgarzani, Andrea De Vito, Giovanni D'Agostino, Riccardo Gobbi, Chiara Bellini, Claudio Vicini
Transoral robotic surgery (TORS) is a fascinating new technique that has been proved to be a safe and feasible for selected oropharyngeal cancers. Furthermore, TORS offers several advantages in the treatment of locoregionally advanced cancers. Nevertheless, the careful selection of patients is the keypoint for a successful application of this therapeutic modality. However, the reconstruction of large oropharyngeal defects is challenging due to the restoration of velopharyngeal competency and swallowing. Moreover, the absence of mandibular splitting increases the difficulties faced by reconstructive surgeons...
January 11, 2017: Oral Oncology
https://www.readbyqxmd.com/read/28089194/left-ventricular-global-longitudinal-strain-predicts-major-adverse-cardiac-events-and-all-cause-mortality-in-heart-transplant-patients
#7
Tor Skibsted Clemmensen, Hans Eiskjær, Brian Bridal Løgstrup, Lars Bo Ilkjær, Steen Hvitfeldt Poulsen
BACKGROUND: Left ventricular global longitudinal strain (LVGLS) is a robust longitudinal myocardial deformation marker that is strongly affected by cardiac allograft vasculopathy (CAV), microvascular dysfunction, and acute cellular rejection (ACR). We evaluated graft deformation for risk stratification in long-term heart transplant (HTx) patients. METHODS: The study included 196 patients who underwent HTx between 2011 and 2013. Patients underwent comprehensive echocardiography and coronary angiography...
December 15, 2016: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28077876/microenvironmental-autophagy-promotes-tumour-growth
#8
Nadja S Katheder, Rojyar Khezri, Fergal O'Farrell, Sebastian W Schultz, Ashish Jain, Mohammed M Rahman, Kay O Schink, Theodossis A Theodossiou, Terje Johansen, Gábor Juhász, David Bilder, Andreas Brech, Harald Stenmark, Tor Erik Rusten
As malignant tumours develop, they interact intimately with their microenvironment and can activate autophagy, a catabolic process which provides nutrients during starvation. How tumours regulate autophagy in vivo and whether autophagy affects tumour growth is controversial. Here we demonstrate, using a well characterized Drosophila melanogaster malignant tumour model, that non-cell-autonomous autophagy is induced both in the tumour microenvironment and systemically in distant tissues. Tumour growth can be pharmacologically restrained using autophagy inhibitors, and early-stage tumour growth and invasion are genetically dependent on autophagy within the local tumour microenvironment...
January 19, 2017: Nature
https://www.readbyqxmd.com/read/28077389/enhanced-oxidative-capacity-of-ground-squirrel-brain-mitochondria-during-hibernation
#9
Mallory A Ballinger, Christine Schwartz, Matthew T Andrews
During hibernation, thirteen-lined ground squirrels (Ictidomys tridecemlineatus) regularly cycle between bouts of torpor and interbout arousal (IBA).  Most of the brain is electrically quiescent during torpor, but regains activity quickly upon arousal to IBA resulting in extreme oscillations in energy demand during hibernation.  We predicted increased functional capacity of brain mitochondria during hibernation compared to spring to accommodate the variable energy demands of hibernation.  To address this hypothesis, we examined mitochondrial bioenergetics in the ground squirrel brain across three time points: spring (SP), torpor (TOR), and IBA...
January 11, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28072818/glucose-abl1-tor-signaling-modulates-cell-cycle-tuning-to-control-terminal-appressorial-cell-differentiation
#10
Margarita Marroquin-Guzman, Guangchao Sun, Richard A Wilson
The conserved target of rapamycin (TOR) pathway integrates growth and development with available nutrients, but how cellular glucose controls TOR function and signaling is poorly understood. Here, we provide functional evidence from the devastating rice blast fungus Magnaporthe oryzae that glucose can mediate TOR activity via the product of a novel carbon-responsive gene, ABL1, in order to tune cell cycle progression during infection-related development. Under nutrient-free conditions, wild type (WT) M. oryzae strains form terminal plant-infecting cells (appressoria) at the tips of germ tubes emerging from three-celled spores (conidia)...
January 10, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28069741/tor-complex-2-regulated-protein-kinase-fpk1-stimulates-endocytosis-via-inhibition-of-ark1-prk1-related-protein-kinase-akl1-in-saccharomyces-cerevisiae
#11
Françoise M Roelants, Kristin L Leskoske, Ross T A Pedersen, Alexander Muir, Jeffrey M-H Liu, Gregory C Finnigan, Jeremy Thorner
Depending on the stress, plasma membrane alterations activate or inhibit yeast Target of Rapamycin (TOR) Complex 2, which, in turn, upregulates or downregulates the activity of its essential downstream effector, protein kinase Ypk1. Through phosphorylation of multiple substrates, Ypk1 controls many processes that restore homeostasis. One such substrate is protein kinase Fpk1, which is negatively regulated by Ypk1. Fpk1 phosphorylates and stimulates flippases that translocate aminoglycerophospholipids from the outer to the inner leaflet of the plasma membrane...
January 9, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28069607/lysophosphatidic-acid-converts-monocytes-into-macrophages-in-both-mice-and-humans
#12
Rashmi Ray, Vivek Rai
Monocytes and macrophages represent critical arms of the innate immune system and are considered regulators and effectors of inflammation and innate immune response. Monocytes can mobilize from bone marrow, traffic to their required destination and differentiate into effector cells depending on the local tissue environment to perform multiple roles during infection or inflammation, making them an important component of body's immune defense. Macrophages have diverse roles in tissue homeostasis, development as well as tissue repair following injury...
January 9, 2017: Blood
https://www.readbyqxmd.com/read/28069465/effect-of-rnai-mediated-knockdown-of-nltor-gene-on-fertility-of-male-nilaparvata-lugens
#13
Ji-Chong Zhuo, Jian Xue, Jia-Bao Lu, Hai-Jian Huang, Hai-Jun Xu, Chuan-Xi Zhang
The target gene of rapamycin (TOR) is conserved from invertebrates to vertebrates, and plays critical roles in cell growth, nutrient sensing, lifespan and reproduction. In this paper, we employed RNA interference (RNAi) to study the function of TOR in male brown planthoppers (BPH), Nilaparvata lugens. Here we discovered that no offspring was produced when wildtype females BPH mated with NlTOR RNAi males. To understand the influence of NlTOR on male BPH infertility, we dissected the reproductive system of a NlTOR RNAi male, and found that the testes were normal and the seminal vesicles were full of sperm, while the accessory gland was poorly developed after knocking down NlTOR expression...
January 7, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28066866/left-ventricular-filling-pressure-by-septal-and-lateral-e-e-equally-predict-cardiovascular-events-in-the-general-population
#14
Joanna Nan Wang, Tor Biering-Sørensen, Peter Godsk Jørgensen, Jan Skov Jensen, Rasmus Mogelvang
PURPOSE: There exists no consensus on the site of E/e' measurement. This study aimed to evaluate the predictive value of septal and lateral E/e' along with the importance of their intra-individual difference. METHODS: In 1775 persons from the general population, peak early diastolic velocity (e') was obtained by color tissue Doppler at the septal and lateral mitral annular sites. The endpoint was combined of cardiovascular death or admission due to heart failure or acute myocardial infarction...
January 9, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28064208/work-disability-in-non-radiographic-axial-spondyloarthritis-patients-before-and-after-start-of-anti-tnf-therapy-a-population-based-regional-cohort-study-from-southern-sweden
#15
Johan K Wallman, Anna Jöud, Tor Olofsson, Lennart T H Jacobsson, Henning Bliddal, Lars E Kristensen
OBJECTIVE: The aim was to assess work-loss days before and after commencement of anti-TNF treatment in patients with non-radiographic axial spondylarthritis (nr-axSpA). METHODS: Bionaïve nr-axSpA patients (n = 75), aged 17-62 years, fulfilling the Assessment of SpondyloArthritis international Society criteria for axial spondyloarthritis and starting anti-TNF treatment during 2004-11, were retrieved from the observational South Swedish Arthritis Treatment Group study...
January 7, 2017: Rheumatology
https://www.readbyqxmd.com/read/28060888/the-association-between-gaba-modulators-and-clostridium-difficile-infection-a-matched-retrospective-case-control-study
#16
Jonathan Ström, Johan Tham, Fredrik Månsson, Jonas Ahl, Tor C Savidge, Sara M Dann, Fredrik Resman
OBJECTIVE: Recently, metabolomics studies have suggested that the neurotransmitter γ-amino butyric acid (GABA) may modulate C. difficile infection (CDI) pathogenesis. In the present study, we investigated the association between GABA-modulating pharmaceuticals and CDI development. METHODS: In July-December 2013, we performed a matched, retrospective case-control study in Skåne county, Sweden, to assess the association between the use of GABA-modulators (defined as regular use of at least one of the following: zolpidem, zopiclone, benzodiazepines, gabapentin, pregabalin or baclofen) and CDI...
2017: PloS One
https://www.readbyqxmd.com/read/28060802/imaging-biomarkers-and-biotypes-for-depression
#17
Tor D Wager, Choong-Wan Woo
No abstract text is available yet for this article.
January 6, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28057891/prostate-cancer-pi3k-pten-and-prognosis
#18
REVIEW
Helen M Wise, Miguel A Hermida, Nicholas R Leslie
Loss of function of the PTEN tumour suppressor, resulting in dysregulated activation of the phosphoinositide 3-kinase (PI3K) signalling network, is recognized as one of the most common driving events in prostate cancer development. The observed mechanisms of PTEN loss are diverse, but both homozygous and heterozygous genomic deletions including PTEN are frequent, and often accompanied by loss of detectable protein as assessed by immunohistochemistry (IHC). The occurrence of PTEN loss is highest in aggressive metastatic disease and this has driven the development of PTEN as a prognostic biomarker, either alone or in combination with other factors, to distinguish indolent tumours from those likely to progress...
February 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28057755/general-control-nonderepressible-2-gcn2-kinase-inhibits-target-of-rapamycin-complex-1-in-response-to-amino-acid-starvation-in-saccharomyces-cerevisiae
#19
Wenjie Yuan, Shuguang Guo, Jiaoqi Gao, Mingming Zhong, Gonghong Yan, Wangmeng Wu, Yapeng Chao, Yu Jiang
In eukaryotic cells two conserved protein kinases Gcn2 and TOR complex 1 (TORC1) couple amino acid conditions to protein translation. Gcn2 functions as an amino acid sensor and is activated by uncharged tRNAs which accumulate when intracellular amino acids are limited. Activated Gcn2 phosphorylates and inhibits eukaryotic initiation factor-2α (eIF2α), resulting in repression of general protein synthesis. Like Gcn2, TORC1 is also involved in sensing amino acid conditions. However, the underlying mechanism remains unclear...
January 5, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28057597/depletion-of-juvenile-hormone-esterase-extends-larval-growth-in-bombyx-mori
#20
Zhongjie Zhang, Xiaojing Liu, Takahiro Shiotsuki, Zhisheng Wang, Xia Xu, Yongping Huang, Muwang Li, Kai Li, Anjiang Tan
Two major hormones, juvenile hormone (JH) and 20-hydroxyecdysone (20E), regulate insect growth and development according to their precisely coordinated titres, which are controlled by both biosynthesis and degradation pathways. Juvenile hormone esterase (JHE) is the primary JH-specific degradation enzyme that plays a key role in regulating JH titers, along with JH epoxide hydrolase (JHEH) and JH diol kinase (JHDK). In the current study, a loss-of-function analysis of JHE in the silkworm, Bombyx mori, was performed by targeted gene disruption using the transgenic CRISPR/Cas9 (clustered regularly interspaced short palindromic repeats/RNA-guided Cas9 nucleases) system...
January 3, 2017: Insect Biochemistry and Molecular Biology
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