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https://www.readbyqxmd.com/read/29776018/voxel-based-morphometry-in-creative-writers-gray-matter-increase-in-a-prefronto-thalamic-cerebellar-network
#1
Nicola Neumann, Martin Domin, Katharina Erhard, Martin Lotze
Continuous practice modulates those features of brain anatomy specifically associated with requirements of the respective training task. The current study aimed to highlight brain structural changes going along with long-term experience in creative writing. To this end, we investigated the gray-matter volume of 23 expert writers with voxel-based morphometry and compared it to 28 matched non-expert controls. Expert writers had higher gray-matter volume in the right superior frontal and middle frontal gyri (BA 9,10) as well as left middle frontal gyrus (BA 9, 10, 46), the bilateral medial dorsal nuclei of the thalamus and left posterior cerebellum...
May 18, 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29775999/who-recommendations-dollars-and-sense
#2
Julian Robinson
In 2016 the World Health organization (WHO) outlined its vision for high quality care for all pregnant women and their newborns (WHO recommendations on antenatal care for a positive pregnancy experience. Geneva, Switzerland: World Health Organization; 2016 pregnancy-experience/en/. In this edition of BJOG it has now updated these recommendations emphasizing the importance of a positive experience during childbirth. Respectful Maternity Care (RMC) is central to this revision. This article is protected by copyright...
May 18, 2018: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29775609/kruppel-like-factor-4-klf-4-plays-a-crucial-role-in-simvastatin-svt-induced-differentiation-of-rabbit-articular-chondrocytes
#3
Seon-Mi Yu, Song Ja Kim
Simvastatin is a cholesterol-lowing reagent that is derived synthetically from the fermentation of Aspergillus terreus. Recently, SVT has been shown to possess a protective effect of chondrocytes. Kruppel-like factor 4 (KLF-4) is a zinc finger transcription factor that plays crucial roles during the development and maintenance of multiple organs. However, the roles of KLF-4 in chondrocytes have not been well unknown. Here, we investigated whether KLF-4 regulates SVT-caused differentiated phenotype of chondrocytes...
May 15, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29775508/lfr-is-functionally-associated-with-as2-to-mediate-leaf-development-in-arabidopsis
#4
Xiaowei Lin, Dandan Gu, Hongtao Zhao, Yue Peng, Guofang Zhang, Mengge Li, Zhijuan Wang, Xiutang Wang, Sujuan Cui
Leaves are essential organs for plants. We previously identified a functional gene possibly encoding a component of the SWI/SNF complex named LFR (Leaf and Flower Related) in Arabidopsis thaliana. Loss-of-function mutants of LFR displayed obvious defects in leaf morphogenesis, indicating its vital role in leaf development. Here an allelic null mutant of ASYMMETRIC LEAVES2 (AS2), as2-6, was isolated as an enhancer of lfr-1 in petiole length, vasculature pattern and leaf margin development. The lfr as2 double mutants showed enhanced ectopic expression of BP than each of the single mutant, which is consistent with their synergistic genetic enhancement in multiple BP-dependent development processes...
May 18, 2018: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/29775245/subunits-of-the-dna-polymerase-alpha-primase-complex-promote-notch-mediated-proliferation-with-discrete-and-shared-functions-in-c-elegans-germline
#5
Dong Suk Yoon, Dong Seok Cha, Mohammad A Alfhili, Brett D Keiper, Myon-Hee Lee
Notch receptor signaling is a highly conserved cell communication system in most multicellular organisms and plays a critical role at several junctures in animal development. In C. elegans, GLP-1/Notch signaling is essential for both germline stem cell maintenance and germ cell proliferation during gonad development. Here, we show that subunits (POLA-1, DIV-1, PRI-1, and PRI-2) of the DNA polymerase alpha-primase complex are required for germ cell proliferation in response to GLP-1/Notch signaling in different tissues at different developmental stages...
May 18, 2018: FEBS Journal
https://www.readbyqxmd.com/read/29774972/temperature-response-of-permafrost-soil-carbon-is-attenuated-by-mineral-protection
#6
Norman Gentsch, Birgit Wild, Robert Mikutta, Petr Čapek, Katka Diáková, Marion Schrumpf, Stephanie Turner, Cynthia Minnich, Frank Schaarschmidt, Olga Shibistova, Jörg Schnecker, Tim Urich, Antje Gittel, Hana Šantrůčková, Jiři Bárta, Nikolay Lashchinskiy, Roland Fuß, Andreas Richter, Georg Guggenberger
Climate change in Arctic ecosystems fosters permafrost thaw and makes massive amounts of ancient soil organic carbon (OC) available to microbial breakdown. However, fractions of the organic matter (OM) may be protected from rapid decomposition by their association with minerals. Little is known about the effects of mineral-organic associations (MOA) on the microbial accessibility of OM in permafrost soils and it is not clear which factors control its temperature sensitivity. In order to investigate if and how permafrost soil OC turnover is affected by mineral controls, the heavy fraction (HF) representing mostly MOA was obtained by density fractionation from 27 permafrost soil profiles of the Siberian Arctic...
May 18, 2018: Global Change Biology
https://www.readbyqxmd.com/read/29774602/pancreas-transplantation-using-compatible-but-non-identical-abo-blood-group-donors
#7
Santosh Nagaraju, Richard S Mangus, John A Powelson, Jonathan A Fridell
METHODS: A review of all pancreas transplants from a single institution from 01/2003 to 07/2016 (n=606) revealed 41 recipients of a NIC donor pancreas which were matched for age, race, gender, year and type of transplant with 41 ABO identical cases. Groups were compared for allograft survival, incidence of acute cellular rejection (ACR), length of hospital stay, 3-month readmissions and transfusion requirements. Serum haptoglobin and Lactate dehydrogenase were used to identify hemolysis in patients requiring repeated transfusions without overt blood loss...
May 17, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29774023/ferritin-h-deficiency-in-myeloid-compartments-dysregulates-host-energy-metabolism-and-increases-susceptibility-to-mycobacterium-tuberculosis-infection
#8
Vineel P Reddy, Krishna C Chinta, Vikram Saini, Joel N Glasgow, Travis D Hull, Amie Traylor, Fernanda Rey-Stolle, Miguel P Soares, Rajhmun Madansein, Md Aejazur Rahman, Coral Barbas, Kievershen Nargan, Threnesan Naidoo, Pratistadevi K Ramdial, James F George, Anupam Agarwal, Adrie J C Steyn
Iron is an essential factor for the growth and virulence of Mycobacterium tuberculosis ( Mtb) . However, little is known about the mechanisms by which the host controls iron availability during infection. Since ferritin heavy chain (FtH) is a major intracellular source of reserve iron in the host, we hypothesized that the lack of FtH would cause dysregulated iron homeostasis to exacerbate TB disease. Therefore, we used knockout mice lacking FtH in myeloid-derived cell populations to study Mtb disease progression...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29773181/mercury-and-selenium-in-fishes-from-the-tapaj%C3%A3-s-river-in-the-brazilian-amazon-an-evaluation-of-human-exposure
#9
A S Lino, D Kasper, Y S Guida, J R Thomaz, O Malm
This work aimed to evaluate associated risks of fish consumption to human health, concerning mercury (Hg) and selenium (Se) concentrations in fish species largely consumed in the Tapajós River basin in the Brazilian Amazon. Total mercury (THg), methylmercury (MeHg) and Se concentrations were measured in 129 fish specimens from four sites of the Tapajós River basin. Estimated daily intake (EDI) of Hg and Se were reported regarding fish consumption. EDI were compared with the reference value of provisional tolerable daily intake proposed by the World Health Organization (WHO)...
July 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29772681/global-asbestos-disaster
#10
Sugio Furuya, Odgerel Chimed-Ochir, Ken Takahashi, Annette David, Jukka Takala
Introduction : Asbestos has been used for thousands of years but only at a large industrial scale for about 100⁻150 years. The first identified disease was asbestosis, a type of incurable pneumoconiosis caused by asbestos dust and fibres. The latest estimate of global number of asbestosis deaths from the Global Burden of Disease estimate 2016 is 3495. Asbestos-caused cancer was identified in the late 1930's but despite today's overwhelming evidence of the strong carcinogenicity of all asbestos types, including chrysotile, it is still widely used globally...
May 16, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29772599/a-contextual-work-life-experiences-model-to-understand-nurse-commitment-and-turnover
#11
Dilmi Aluwihare-Samaranayake, Ian Gellatly, Greta Cummings, Linda Ogilvie
AIMS: To present a discussion and model depicting most effecting work life experience contextual factors that influence commitment and turnover intentions for nurses in Sri Lanka. BACKGROUND: Increasing demand for nurses has made the retention of experienced, qualified nursing staff a priority for health care organizations and highlights the need to capture contextual work-life experiences that influence nurses' turnover decisions. DESIGN: Discussion paper...
May 17, 2018: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/29772355/safety-assessment-of-morus-nigra-l-leaves-acute-and-subacute-oral-toxicity-studies-in-wistar-rats
#12
Kassia Caroline Figueredo, Camille Gaube Guex, Fernanda Ziegler Reginato, Andreia Regina Haas da Silva, Gabriela Buzatti Cassanego, Cibele Lima Lhamas, Aline Augusti Boligon, Gilberti Helena Hübscher Lopes, Liliane de Freitas Bauermann
ETHNOPHARMACOLOGICAL RELEVANCE: Morus nigra L. is a plant native to Asia, and well adapted to the Brazilian climate. It is popularly known as "amoreira preta", and is part of the National List of Plants of Interest to the Brazilian Unified Health System. It is used in folk medicine mainly to soften the effects of menopause, as anti-inflammatory, antidiabetic and antihypertensive. However, information on safe doses and use is still precarious. AIM OF THE STUDY: To identify the chemical composition of the ethanolic extract of Morus nigra L...
May 14, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29772103/how-can-we-expand-active-surveillance-criteria-in-patients-with-low-and-intermediate-risk-prostate-cancer-without-increasing-the-risk-of-misclassification-development-of-a-novel-risk-calculator
#13
Giorgio Gandaglia, Roderick C N van den Bergh, Derya Tilki, Nicola Fossati, Piet Ost, Christian I Surcel, Prasanna Sooriakumaran, Igor Tsaur, Massimo Valerio, Alexander Kretschmer, Emanuele Zaffuto, Laurent Salomon, Francesco Montorsi, Markus Graefen, Henk van der Poel, Alexandre de la Taille, Alberto Briganti, Guillaume Ploussard
OBJECTIVE: To develop a novel tool to increase the number of prostate cancer (PCa) patients eligible for active surveillance (AS) without increasing the risk of unfavourable pathologic features (i.e., misclassification) at radical prostatectomy (RP). MATERIALS AND METHODS: Overall, 16,049 patients with low- or intermediate risk PCa treated with RP were identified. Misclassification was defined as non-organ confined or grade group ≥3 disease at RP. The coefficients of a logistic regression model predicting misclassification were used to develop a risk score...
May 17, 2018: BJU International
https://www.readbyqxmd.com/read/29772087/environmental-change-and-predator-diversity-drive-alpha-and-beta-diversity-in-freshwater-macro-and-microorganisms
#14
Pablo Augusto P Antiqueira, Owen L Petchey, Viviane Piccin Dos Santos, Valéria Maia de Oliveira, Gustavo Quevedo Romero
Global biodiversity is eroding due to anthropogenic causes such as climate change, habitat loss, and trophic simplification of biological communities. Most studies address only isolated causes within a single group of organisms; however, biological groups of different trophic levels may respond in particular ways to different environmental impacts. Our study used natural microcosms to investigate the predicted individual and interactive effects of warming, changes in top predator diversity, and habitat size on the alpha and beta diversity of macrofauna, microfauna and bacteria...
May 17, 2018: Global Change Biology
https://www.readbyqxmd.com/read/29772078/evaluating-blood-clot-progression-using-magnetic-particle-spectroscopy
#15
Hafsa Khurshid, Yipeng Shi, Brent L Berwin, John B Weaver
PURPOSE: To evaluate the thrombus maturity non-invasively providing the promise of much earlier and more accurate diagnosis of diseases ranging from stroke to myocardial infarction to deep vein thrombosis. METHODS: Magnetic spectroscopy of nanoparticle Brownian rotation (MSB), a form of magnetic particle spectroscopy sensitive to Brownian rotation of magnetic nanoparticles, was used for the detection and characterization of blood clots. The nanoparticles' relaxation time was quantified by scaling the MSB spectra in frequency to match the spectra from nanoparticles in a reference state...
May 17, 2018: Medical Physics
https://www.readbyqxmd.com/read/29772077/a-feature-alignment-score-for-online-cone-beam-ct-based-image-guided-radiotherapy-for-prostate-cancer
#16
Catriona Hargrave, Timothy Deegan, Michael Poulsen, Tomasz Bednarz, Fiona Harden, Kerrie Mengersen
PURPOSE: To develop a method for scoring online cone-beam CT (CBCT)-to-planning CT image feature alignment to inform prostate image-guided radiotherapy (IGRT) decision-making. The feasibility of incorporating volume variation metric thresholds, predictive of delivering planned dose into weighted functions, was investigated. METHODS: Radiation therapists and radiation oncologists participated in workshops where they reviewed prostate CBCT-IGRT case examples and completed a paper-based survey of image feature matching practices...
May 17, 2018: Medical Physics
https://www.readbyqxmd.com/read/29772064/impact-of-inter-patient-variability-on-organ-dose-estimates-according-to-mird-schema-uncertainty-and-variance-based-sensitivity-analysis
#17
Alexandra Zvereva, Florian Kamp, Helmut Schlattl, Maria Zankl, Katia Parodi
PURPOSE: Variance-based sensitivity analysis (SA) is described and applied to the radiation dosimetry model proposed by the Committee on Medical Internal Radiation Dose (MIRD) for the organ-level absorbed dose calculations in nuclear medicine. The uncertainties in the dose coefficients thus calculated are also evaluated. METHODS: A Monte Carlo approach was used to compute first-order and total-effect SA indices, which rank the input factors according to their influence on the uncertainty in the output organ doses...
May 17, 2018: Medical Physics
https://www.readbyqxmd.com/read/29771572/inhibition-of-ubiquitin-activating-enzyme-protects-against-organ-injury-after-intestinal-ischemia-reperfusion
#18
Shingo Matsuo, Andrew Chaung, Deanna Liou, Ping Wang, Weng-Lang Yang
Intestinal ischemia-reperfusion (I/R) occurs in various clinical settings, such as transplantation, acute mesenteric arterial occlusion, trauma and shock. I/R injury causes severe systemic inflammation, leading to multiple organ dysfunction associated with high mortality. The ubiquitin proteasome pathway has been indicated in the regulation of inflammation, particularly through NF-κB signaling pathway. PYR-41 is a small molecular compound that selectively inhibits ubiquitin-activating enzyme E1. A mouse model of intestinal I/R injury by clamping the superior mesenteric artery for 45 minutes was performed to evaluate the effect of PYR-41 treatment on organ injury and inflammation...
May 17, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29771006/the-anti-fibrotic-effect-of-adenosine-a2b-receptor-antagonism-in-a-mouse-model-of-dermal-fibrosis
#19
Harry Karmouty-Quintana, Jose G Molina, Kemly Philip, Chiara Bellocchi, Brent Gudenkauf, Minghua Wu, Ning-Yuan Chen, Scott D Collum, Junsuk Ko, Sandeep K Agarwal, Shervin Assassi, Hongyan Zhong, Michael R Blackburn, Tingting Weng
OBJECTIVE: Systemic sclerosis (SSc - scleroderma) is a chronic disease that affects the skin and various internal organs. Dermal fibrosis is a major component of this disease. The mechanisms that promote dermal fibrosis remain elusive. Elevations in tissue adenosine levels and the subsequent engagement of the pro-fibrotic A2B adenosine receptor (ADORA2B) have been shown to regulate fibrosis in multiple organs including the lung, kidney and penis; however, the role of the ADORA2B in dermal fibrosis has not been investigated...
May 17, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29770949/selenium-ameliorates-afb-1-induced-excess-apoptosis-in-chicken-splenocytes-through-death-receptor-and-endoplasmic-reticulum-pathways
#20
Jing Fang, Panpan Zhu, Zhuangzhi Yang, Xi Peng, Zhicai Zuo, Hengmin Cui, Ping Ouyang, Gang Shu, Zhengli Chen, Chao Huang, Wentao Liu
Aflatoxin B1 (AFB1 ) can cause hepatotoxicity, genotoxicity, and immunosuppressive effects for a variety of organisms. Selenium (Se), as an essential nutrient element, plays important protective effects against cell apoptosis induced by AFB1 . This research aimed to reveal the ameliorative effects of selenium on AFB1 -induced excess apoptosis in chicken splenocytes through death receptor and endoplasmic reticulum pathways in vivo. Two hundred sixteen neonatal chickens, randomized into four treatments, were fed with basal diet (control treatment), 0...
May 16, 2018: Biological Trace Element Research
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