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https://www.readbyqxmd.com/read/28813039/comparative-assessment-of-ssr-and-snp-markers-for-inferring-the-population-genetic-structure-of-the-common-fungus-armillaria-cepistipes
#1
T Tsykun, C Rellstab, C Dutech, G Sipos, S Prospero
During the last years, simple sequence repeats (SSRs, also known as microsatellites) and single-nucleotide polymorphisms (SNPs) have become the most popular molecular markers for describing neutral genetic variation in populations of a wide range of organisms. However, only a limited number of studies has focused on comparing the performance of these two types of markers for describing the underlying genetic structure of wild populations. Moreover, none of these studies targeted fungi, the group of organisms with one of the most complex reproductive strategies...
August 16, 2017: Heredity
https://www.readbyqxmd.com/read/28812994/organ-organ-crosstalk-and-alcoholic-liver-disease
#2
REVIEW
Lauren G Poole, Christine E Dolin, Gavin E Arteel
Alcohol consumption is a common custom worldwide, and the toxic effects of alcohol on several target organs are well-understood. Given the poor prognosis of treating clinically-relevant alcoholic liver disease (ALD) (i.e., alcoholic hepatitis (AH) and cirrhosis), additional research is required to develop more effective therapies. While the stages of ALD have been well-characterized, targeted therapies to prevent or reverse this process in humans are still needed. Better understanding of risk factors and mechanisms underlying disease progression can lead to the development of rational therapies to prevent or reverse ALD in the clinic...
August 16, 2017: Biomolecules
https://www.readbyqxmd.com/read/28812869/entry-inhibitors-a-perspective-for-prevention-of-hepatitis-c-virus-infection-in-organ-transplantation
#3
Che C Colpitts, Raymond T Chung, Thomas F Baumert
Entry inhibitors are emerging as an attractive class of therapeutics for hepatitis C virus (HCV) infection. Entry inhibitors target either virion-associated factors or cellular factors necessary for infection. By blocking entry into cells, entry inhibitors prevent both the establishment of persistent reservoirs and the emergence of resistant variants during viral replication. Furthermore, entry inhibitors protect naïve cells from virus-induced alterations. Combining entry inhibitors with direct-acting antivirals (DAAs) may therefore improve treatment outcomes, particularly in the context of organ transplantation...
August 16, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/28812428/microvascular-perfusion-in-cardiac-arrest-a-review-of-microcirculatory-imaging-studies
#4
Petra Krupičková, Zuzana Mormanová, Tomáš Bouček, Tomáš Belza, Jana Šmalcová, Jan Bělohlávek
Cardiac arrest represents a leading cause of mortality and morbidity in developed countries. Extracorporeal cardiopulmonary resuscitation (ECPR) increases the chances for a beneficial outcome in victims of refractory cardiac arrest. However, ECPR and post-cardiac arrest care are affected by high mortality rates due to multi-organ failure syndrome, which is closely related to microcirculatory disorders. Therefore, microcirculation represents a key target for therapeutic interventions in post-cardiac arrest patients...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28811995/agreement-between-gamma-passing-rates-using-computed-tomography-in-radiotherapy-and-secondary-cancer-risk-prediction-from-more-advanced-dose-calculated-models
#5
Abdulhamid Chaikh, Jacques Balosso
BACKGROUND: During the past decades, in radiotherapy, the dose distributions were calculated using density correction methods with pencil beam as type 'a' algorithm. The objectives of this study are to assess and evaluate the impact of dose distribution shift on the predicted secondary cancer risk (SCR), using modern advanced dose calculation algorithms, point kernel, as type 'b', which consider change in lateral electrons transport. METHODS: Clinical examples of pediatric cranio-spinal irradiation patients were evaluated...
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28811571/identification-of-a-gene-encoding-slow-skeletal-muscle-troponin-t-as-a-novel-marker-for-immortalization-of-retinal-pigment-epithelial-cells
#6
Takuya Kuroda, Satoshi Yasuda, Hiroyuki Nakashima, Nozomi Takada, Satoko Matsuyama, Shinji Kusakawa, Akihiro Umezawa, Akifumi Matsuyama, Shin Kawamata, Yoji Sato
Human pluripotent stem cells (hPSCs) are leading candidate raw materials for cell-based therapeutic products (CTPs). In the development of hPSC-derived CTPs, it is imperative to ensure that they do not form tumors after transplantation for safety reasons. Because cellular immortalization is a landmark of malignant transformation and a common feature of cancer cells, we aimed to develop an in vitro assay for detecting immortalized cells in CTPs. We employed retinal pigment epithelial (RPE) cells as a model of hPSC-derived products and identified a gene encoding slow skeletal muscle troponin T (TNNT1) as a novel marker of immortalized RPE cells by comprehensive microarray analysis...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811534/distinct-projection-patterns-of-different-classes-of-layer-2-principal-neurons-in-the-olfactory-cortex
#7
Camille Mazo, Julien Grimaud, Yasuyuki Shima, Venkatesh N Murthy, C Geoffrey Lau
The broadly-distributed, non-topographic projections to and from the olfactory cortex may suggest a flat, non-hierarchical organization in odor information processing. Layer 2 principal neurons in the anterior piriform cortex (APC) can be divided into 2 subtypes: semilunar (SL) and superficial pyramidal (SP) cells. Although it is known that SL and SP cells receive differential inputs from the olfactory bulb (OB), little is known about their projections to other olfactory regions. Here, we examined axonal projections of SL and SP cells using a combination of mouse genetics and retrograde labeling...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811522/the-lichen-secondary-metabolite-atranorin-suppresses-lung-cancer-cell-motility-and-tumorigenesis
#8
Rui Zhou, Yi Yang, So-Yeon Park, Thanh Thi Nguyen, Young-Woo Seo, Kyung Hwa Lee, Jae Hyuk Lee, Kyung Keun Kim, Jae-Seoun Hur, Hangun Kim
Lichens are symbiotic organisms that produce various secondary metabolites. Here, different lichen extracts were examined to identify secondary metabolites with anti-migratory activity against human lung cancer cells. Everniastrum vexans had the most potent inhibitory activity, and atranorin was identified as an active subcomponent of this extract. Atranorin suppressed β-catenin-mediated TOPFLASH activity by inhibiting the nuclear import of β-catenin and downregulating β-catenin/LEF and c-jun/AP-1 downstream target genes such as CD44, cyclin-D1 and c-myc...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811150/best-practice-recommendations-for-the-retention-of-radiotherapy-records
#9
E Lockhart, K Bak, L J Schreiner, D C Hodgson, E Gutierrez, P Warde, M B Sharpe
This paper offers best practice recommendations for the maintenance and retention of radiotherapy health records and technical information for cancer programmes. The recommendations are based on a review of the published and grey literature, feedback from key informants from seven countries and expert consensus. Ideally, complete health records should be retained for 5 years beyond the patient's lifetime, regardless of where they are created and maintained. Technical information constituting the radiotherapy plan should also be retained beyond the patient's lifetime for 5 years, including the primary images, contours of delineated targets and critical organs, dose distributions and other radiotherapy plan objects...
August 12, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28810897/cost-of-hospitalization-for-childbirth-in-india-how-equitable-it-is-in-the-post-nrhm-era
#10
Jaya Prasad Tripathy, Hemant D Shewade, Sanskruti Mishra, A M V Kumar, A D Harries
BACKGROUND AND OBJECTIVE: Information on out-of-pocket (OOP) expenditure during childbirth in public and private health facilities in India is needed to make rational decisions for improving affordability to maternal care services. We undertook this study to evaluate the OOP expenditure due to hospitalization from childbirth and its impact on households. METHODS: This is a secondary data analysis of a nationwide household survey by the National Sample Survey Organization in 2014...
August 15, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28810881/comparison-of-photon-volumetric-modulated-arc-therapy-intensity-modulated-proton-therapy-and-intensity-modulated-carbon-ion-therapy-for-delivery-of-hypo-fractionated-thoracic-radiotherapy
#11
Alexander Chi, Lien-Chun Lin, Sijin Wen, Haijuan Yan, Wen-Chien Hsi
PURPOSE: The aim of the present study was to compare the dose distribution generated from photon volumetric modulated arc therapy (VMAT), intensity modulated proton therapy (IMPT), and intensity modulated carbon ion therapy (IMCIT) in the delivery of hypo-fractionated thoracic radiotherapy. METHODS AND MATERIALS: Ten selected patients who underwent thoracic particle therapy between 2015 and 2016 were re-planned to receive a relative biological effectiveness (RBE) weighted dose of 60 Gy (i...
August 15, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28810852/implementation-of-a-guideline-for-local-health-policy-making-by-regional-health-services-exploring-determinants-of-use-by-a-web-survey
#12
Theo J M Kuunders, Monique A M Jacobs, Ien A M van de Goor, Marja J H van Bon-Martens, Hans A M van Oers, Theo G W M Paulussen
BACKGROUND: Previous evaluation showed insufficient use of a national guideline for integrated local health policy by Regional Health Services (RHS) in the Netherlands. The guideline focuses on five health topics and includes five checklists to support integrated municipal health policies. This study explores the determinants of guideline use by regional Dutch health professionals. METHODS: A web survey was send to 304 RHS health professionals. The questionnaire was based on a theory- and research-based framework of determinants of public health innovations...
August 15, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28810621/effect-of-isopsoralen-on-smad7-in-osteoblastic-mc3t3-e1-cells
#13
Huicun Zhang, Na Ta
The primary pathological change in postmenopausal osteoporosis (PM-OP) is bone collagen loss caused by estrogen depletion. Osteoblasts synthesize type I collagen, which composes the organic matrix of bone. Although isopsoralen stimulates osteoblastic cell proliferation and differentiation, transforming growth factor (TGF)-β1 is an important cell signaling factor for stimulating collagen synthesis. To explore the association between isopsoralen and the synthesis of collagen in vitro, the molecular and biological association between isopsoralen and TGF-β signaling was examined...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810222/bio-electro-oxidation-of-indigo-carmine-by-using-microporous-activated-carbon-fiber-felt-as-anode-and-bioreactor-support
#14
Luane Ferreira Garcia, Ana Claudia Rodrigues Siqueira, Germán Sanz Lobón, Jossano Saldanha Marcuzzo, Benevides Costa Pessela, Eduardo Mendez, Telma Alves Garcia, Eric de Souza Gil
The bioremediation and electro-oxidation (EO) processes are included among the most promising cleaning and decontamination mechanisms of water. The efficiency of bioremediation is dictated by the biological actuator for a specific substrate, its suitable immobilization and all involved biochemical concepts. The EO performance is defined by the anode efficiency to perform the complete mineralization of target compounds and is highlighted by the low or null use of reagent. Recently, the combination of both technologies has been proposed...
August 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/28810163/decoding-the-architecture-and-origins-of-mechanisms-for-developmental-polyphenism
#15
REVIEW
Joana Projecto-Garcia, Joseph F Biddle, Erik J Ragsdale
Developmental polyphenism affords a single genotype multiple solutions to match an organism to its environment. Because polyphenism is the extreme example of how development deviates from a linear genetic blueprint, it demands a genetic explanation for how environmental cues shunt development to hypothetically alternative modules. We highlight several recent advances that have begun to illuminate genetic mechanisms for polyphenism and how this recurring developmental novelty may arise. An emerging genetic knowledge of polyphenism is providing precise targets for testing hypotheses of how switch mechanisms are built-out of olfactory, nutrient-sensing, hormone-reception, and developmental and genetic buffering systems-to accommodate plasticity...
August 12, 2017: Current Opinion in Genetics & Development
https://www.readbyqxmd.com/read/28810059/targeted-genome-editing-in-caenorhabditis-elegans-using-crispr-cas9
#16
REVIEW
Behnom Farboud
Utilization of programmable nucleases to generate DNA lesions at precise endogenous sequences has transformed the ability to edit genomes from microbes to plants and animals. This is especially true in organisms that previously lacked the means to engineer precise genomic changes, like Caenorhabditis elegans. C. elegans is a 1 mm long free-living, nonparasitic, nematode worm, which is easily cultivated in a laboratory. Its detailed genetic map and relatively compact genome (~100 megabases) helped make it the first metazoan to have its entire genome sequenced...
August 15, 2017: Wiley Interdisciplinary Reviews. Developmental Biology
https://www.readbyqxmd.com/read/28809937/understanding-large-scale-long-term-larval-connectivity-patterns-the-case-of-the-northern-line-islands-in-the-central-pacific-ocean
#17
Lorenzo Mari, Luca Bonaventura, Andrea Storto, Paco Melià, Marino Gatto, Simona Masina, Renato Casagrandi
Protecting key hotspots of marine biodiversity is essential to maintain ecosystem services at large spatial scales. Protected areas serve not only as sources of propagules colonizing other habitats, but also as receptors, thus acting as protected nurseries. To quantify the geographical extent and the temporal persistence of ecological benefits resulting from protection, we investigate larval connectivity within a remote archipelago, characterized by a strong spatial gradient of human impact from pristine to heavily exploited: the Northern Line Islands (NLIs), including part of the Pacific Remote Islands Marine National Monument (PRI-MNM)...
2017: PloS One
https://www.readbyqxmd.com/read/28809812/the-healthy-eating-agenda-in-australia-is-salt-a-priority-for-manufacturers
#18
Rebecca Lindberg, Tyler Nichols, Chrystal Yam
Many nation states have endorsed and acted on the World Health Organization's target of a 30% reduction in global salt consumption by 2025. In Australia, new government-led voluntary measures were initiated in 2009, consisting of public-private partnerships, front-of-pack labelling, and food reformulation targets (which include reduced salt). How Australia's private sector has responded to this healthy eating agenda has been investigated in a limited way, particularly with regards to manufacturers which produce processed foods considered significant sources of sodium...
August 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28809666/biomolecular-network-controllability-with-drug-binding-information
#19
Lin Wu, Lingkai Tang, Min Li, Jianxin Wang, Fang-Xiang Wu
Complex networks are ubiquitous in nature. In biological systems, biomolecules interact with each other to form so-called biomolecular networks, which determine the cellular behaviors of living organisms. Controlling the cellular behaviors by regulating certain biomolecules in the network is one of the most concerned problems in systems biology. Recently, the connections between biological networks and structural control theory have been explored, uncovering some interesting biological phenomena. Some researchers have paid attentions to the structural controllability of networks in notion of the minimum steering sets (MSSs)...
July 2017: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28809540/simplified-modeling-of-organic-contaminant-adsorption-by-activated-carbon-and-biochar-in-the-presence-of-dissolved-organic-matter-and-other-competing-adsorbates
#20
Kyle Koyu Shimabuku, Julian M Paige, Marisol Luna Agüero, R Scott Summers
Cyclohexanol, phenol, benzoic acid, and phenanthrene fractional removal (italicized words are defined within the main text) by pulverized granular activated carbon and biochar adsorption in deionized water and stormwater was independent of target-adsorbate initial concentrations (C0) when C0s were below concentration thresholds. This permits a simple-modeling approach. C0-independent removal in deionized water at low-target-adsorbate concentrations potentially suggests that DOM in the deionized water induce a competitive effect that causes deviations from the Freundlich model...
August 15, 2017: Environmental Science & Technology
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