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https://www.readbyqxmd.com/read/28817838/pharmacogenetic-determinants-of-outcomes-on-triplet-hepatic-artery-infusion-and-intravenous-cetuximab-for-liver-metastases-from-colorectal-cancer-european-trial-optiliv-nct00852228
#1
Francis Lévi, Abdoulaye Karaboué, Raphaël Saffroy, Christophe Desterke, Valerie Boige, Denis Smith, Mohamed Hebbar, Pasquale Innominato, Julien Taieb, Carlos Carvalho, Rosine Guimbaud, Christian Focan, Mohamed Bouchahda, René Adam, Michel Ducreux, Gérard Milano, Antoinette Lemoine
BACKGROUND: The hepatic artery infusion (HAI) of irinotecan, oxaliplatin and 5-fluorouracil with intravenous cetuximab achieved outstanding efficacy in previously treated patients with initially unresectable liver metastases from colorectal cancer. This planned study aimed at the identification of pharmacogenetic predictors of outcomes. METHODS: Circulating mononuclear cells were analysed for 207 single-nucleotide polymorphisms (SNPs) from 34 pharmacology genes...
August 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28817836/sitting-physical-activity-and-serum-oestrogen-metabolism-in-postmenopausal-women-the-women-s-health-initiative-observational-study
#2
Hannah Oh, Hannah Arem, Charles E Matthews, Nicolas Wentzensen, Kerryn W Reding, Louise A Brinton, Garnet L Anderson, Sally B Coburn, Jane A Cauley, Chu Chen, Deborah Goodman, Ruth M Pfeiffer, Roni T Falk, Xia Xu, Britton Trabert
BACKGROUND: Prolonged sitting and lower levels of physical activity have been associated with increased levels of parent oestrogens (oestrone and oestradiol), the key hormones in female cancers, in postmenopausal women. However, it is unknown whether sitting and physical activity are associated with circulating oestrogen metabolite levels. METHODS: Among 1804 postmenopausal women enrolled in the Women's Health Initiative Observational Study, 15 serum oestrogens/oestrogen metabolites were quantified using liquid chromatography-tandem mass spectrometry...
August 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28817802/molecular-memory-of-morphologies-by-septins-during-neuron-generation-allows-early-polarity-inheritance
#3
Leila Boubakar, Julien Falk, Hugo Ducuing, Karine Thoinet, Florie Reynaud, Edmund Derrington, Valérie Castellani
Transmission of polarity established early during cell lineage history is emerging as a key process guiding cell differentiation. Highly polarized neurons provide a fascinating model to study inheritance of polarity over cell generations and across morphological transitions. Neural crest cells (NCCs) migrate to the dorsal root ganglia to generate neurons directly or after cell divisions in situ. Using live imaging of vertebrate embryo slices, we found that bipolar NCC progenitors lose their polarity, retracting their processes to round for division, but generate neurons with bipolar morphology by emitting processes from the same locations as the progenitor...
August 16, 2017: Neuron
https://www.readbyqxmd.com/read/28817791/using-practice-facilitation-to-increase-rates-of-colorectal-cancer-screening-in-community-health-centers-north-carolina-2012-2013-feasibility-facilitators-and-barriers
#4
Bryan J Weiner, Catherine L Rohweder, Jennifer E Scott, Randall Teal, Alecia Slade, Allison M Deal, Naima Jihad, Marti Wolf
INTRODUCTION: Practice facilitation involves trained individuals working with practice staff to conduct quality improvement activities and support delivery of evidence-based clinical services. We examined the feasibility of using practice facilitation to assist federally qualified health centers (FQHCs) to increase colorectal cancer screening rates in North Carolina. METHODS: The intervention consisted of 12 months of facilitation in 3 FQHCs. We conducted chart audits to obtain data on changes in documented recommendation for colorectal cancer screening and completed screening...
August 17, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/28817775/departure-from-a-spherically-symmetric-ground-state-in-a-system-with-a-half-filled-shell-the-case-example-of-berkelium-iv-iodate
#5
Mark A Silver, Samantha K Cary, Alejandro J Garza, Ryan E Baumbach, Alexandra A Arico, Gregory A Galmin, Kuan-Wen Chen, Jason A Johnson, Jamie C Wang, Ronald J Clark, Alexander Chemey, Teresa M Eaton, Matthew L Marsh, Kevin Seidler, Shane S Galley, Lambertus van de Burgt, Ashley L Gray, David E Hobart, Kenneth Hanson, Shelley M van Cleve, Frédéric Gendron, Jochen Autschbach, Gustavo E Scuseria, Laurent Maron, Manfred Speldrich, Paul Kögerler, Cristian Celis-Barros, Dayán Paéz-Hernandéz, Ramiro Arratia-Perez, Michael Ruf, Thomas E Albrecht-Schmitt
The reaction of 249Bk(OH)4 with iodate under hydrothermal conditions results in the formation of Bk(IO3)3 as the major product with trace amounts of Bk(IO3)4 also crystallizing from the reaction mixture. The structure of Bk(IO3)3 consists of nine-coordinate BkIII cations that are bridged by iodate anions to yield layers that are isomorphous with those found for AmIII, CfIII, and with lanthanides that possess similar ionic radii. Bk(IO3)4 was expected to adopt the same structure as M(IO3)4 (M = Ce, Np, Pu), but instead parallels the structural chemistry of the smaller ZrIV cation...
August 17, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28817756/incorrect-middle-initial-in-byline
#6
(no author information available yet)
No abstract text is available yet for this article.
August 1, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28817755/measuring-toxic-effects-and-time-to-treatment-failure-for-nivolumab-plus-ipilimumab-in-melanoma
#7
Alexander N Shoushtari, Claire F Friedman, Pedram Navid-Azarbaijani, Michael A Postow, Margaret K Callahan, Parisa Momtaz, Katherine S Panageas, Jedd D Wolchok, Paul B Chapman
Importance: Nivolumab plus ipilimumab (nivo + ipi) is a standard treatment of advanced melanoma. Two randomized trials describe high objective response rates by Response Evaluation Criteria in Solid Tumors. The trials assessed toxic effects using the Common Terminology Criteria for Adverse Events (CTCAE), which may underestimate incidence of clinically significant immune-related adverse events (AEs). Objective: To describe detailed toxic effects and time to treatment failure of patients with melanoma treated with nivo + ipi in a prospective cohort...
August 17, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28817734/treatment-gap-and-barriers-for-mental-health-care-a-cross-sectional-community-survey-in-nepal
#8
Nagendra P Luitel, Mark J D Jordans, Brandon A Kohrt, Sujit D Rathod, Ivan H Komproe
CONTEXT: There is limited research on the gap between the burden of mental disorders and treatment use in low- and middle-income countries. OBJECTIVES: The aim of this study was to assess the treatment gap among adults with depressive disorder (DD) and alcohol use disorder (AUD) and to examine possible barriers to initiation and continuation of mental health treatment in Nepal. METHODS: A three-stage sampling technique was used in the study to select 1,983 adults from 10 Village Development Committees (VDCs) of Chitwan district...
2017: PloS One
https://www.readbyqxmd.com/read/28817722/nicotinamide-alone-accelerates-the-conversion-of-mouse-embryonic-stem-cells-into-mature-neuronal-populations
#9
Síle M Griffin, Mark R Pickard, Rowan P Orme, Clive P Hawkins, Adrian C Williams, Rosemary A Fricker
INTRODUCTION: Vitamin B3 has been shown to play an important role during embryogenesis. Specifically, there is growing evidence that nicotinamide, the biologically active form of vitamin B3, plays a critical role as a morphogen in the differentiation of stem cells to mature cell phenotypes, including those of the central nervous system (CNS). Detailed knowledge of the action of small molecules during neuronal differentiation is not only critical for uncovering mechanisms underlying lineage-specification, but also to establish more effective differentiation protocols to obtain clinically relevant cells for regenerative therapies for neurodegenerative conditions such as Huntington's disease (HD)...
2017: PloS One
https://www.readbyqxmd.com/read/28817708/timing-and-extent-of-finger-force-enslaving-during-a-dynamic-force-task-cannot-be-explained-by-emg-activity-patterns
#10
Mojtaba Mirakhorlo, Huub Maas, DirkJan H E J Veeger
Finger enslaving is defined as the inability of the fingers to move or to produce force independently. Such finger enslaving has predominantly been investigated for isometric force tasks. The aim of this study was to assess whether the extent of force enslaving is dependent on relative finger movements. Ten right-handed subjects (22-30 years) flexed the index finger while counteracting constant resistance forces (4, 6 and 8 N) orthogonal to the fingertip. The other, non-instructed fingers were held in extension...
2017: PloS One
https://www.readbyqxmd.com/read/28817685/clinical-implications-of-carcinoembryonic-antigen-distribution-in-serum-exosomal-fraction-measurement-by-elisa
#11
Shozo Yokoyama, Akihiro Takeuchi, Shunsuke Yamaguchi, Yasuyuki Mitani, Takashi Watanabe, Kenji Matsuda, Tsukasa Hotta, John E Shively, Hiroki Yamaue
BACKGROUND: Serum exosomal proteins have great potential as indicators of disease status in cancer, inflammatory or metabolic diseases. The association of a fraction of various serum proteins such as carcinoembryonic antigen (CEA) with circulating exosomes has been debated. The establishment of a method to measure the exosomal fraction of such proteins might help resolve this controversy. The use of enzyme-linked immunosorbent assays (ELISAs) to measure serum exosomal molecules, for example CEA, is rare in research laboratories and totally absent in clinical biology...
2017: PloS One
https://www.readbyqxmd.com/read/28817666/assessing-the-sustainable-development-and-intensification-potential-of-beef-cattle-production-in-sumbawa-indonesia-using-a-system-dynamics-approach
#12
Dahlanuddin, Benjamin Henderson, Kanar Dizyee, Hermansyah, Andrew Ash
The intensification of beef cattle production in dryland areas of East Indonesia has the potential to substantially raise the incomes of smallholder farmers that dominate the sector. In this study we assess the potential for intensifying beef production on Sumbawa Island, by introducing a household feedlot production system (2-20 animals) based on the Leucaena leucocephala (leucanea) tree legume as an improved source of feed. We used a system dynamics approach to model the entire value chain, accounting for herd dynamics, demand dynamics and seasonality...
2017: PloS One
https://www.readbyqxmd.com/read/28817662/single-scan-rest-stress-imaging-with-99mtc-sestamibi-and-cadmium-zinc-telluride-based-spect-for-hyperemic-flow-quantification-a-feasibility-study-evaluated-with-cardiac-magnetic-resonance-imaging
#13
Yu-Hua Dean Fang, Yuan-Chang Liu, Kung-Chu Ho, Feng-Cheng Kuo, Ching-Fang Yang, Tzu-Chen Yen, I-Chang Hsieh
INTRODUCTION: We aimed to evaluate whether the hyperemic myocardial blood flow (MBF) can be estimated using cadmium zinc telluride (CZT)-based single-photon emission computed tomography (SPECT) cameras with a single, rapid rest/stress dynamic scan. Dynamic contrast-enhanced (DCE) cardiac magnetic resonance imaging (MRI) was used as a reference modality for flow measurement. MATERIALS AND METHODS: The proposed protocol included both the rest and stress acquisitions within a 24-min scan...
2017: PloS One
https://www.readbyqxmd.com/read/28817626/acting-within-an-increasingly-confined-space-a-qualitative-study-of-sexual-behaviours-and-healthcare-needs-among-men-who-have-sex-with-men-in-a-provincial-tanzanian-city
#14
Markus Larsson, Jasmine Mohamed Shio, Michael W Ross, Anette Agardh
OBJECTIVE: To explore risk perceptions, sexual practices and healthcare needs among men who have sex with men in the provincial city of Tanga in northern Tanzania. Previous research suggests that HIV/STIs are increasing problems for this population. Yet, few studies have been conducted outside the urban area of Dar es Salaam, which has limited our knowledge about the HIV/STI risk factors and healthcare needs among men who have sex with men who live outside major metropolitan areas. METHOD: During three months in 2013, 10 in-depth interviews with men who have sex with men were conducted in Tanga...
2017: PloS One
https://www.readbyqxmd.com/read/28817611/the-directed-migration-of-gonadal-distal-tip-cells-in-caenorhabditis-elegans-requires-ngat-1-a-%C3%A3-1-4-n-acetylgalactosaminyltransferase-enzyme
#15
Joseph Veyhl, Robert J Dunn, Wendy L Johnston, Alexa Bennett, Lijia W Zhang, James W Dennis, Harry Schachter, Joseph G Culotti
Glycoproteins such as growth factor receptors and extracellular matrix have well-known functions in development and cancer progression, however, the glycans at sites of modification are often heterogeneous molecular populations which makes their functional characterization challenging. Here we provide evidence for a specific, discrete, well-defined glycan modification and regulation of a stage-specific cell migration in Caenorhabditis elegans. We show that a chain-terminating, putative null mutation in the gene encoding a predicted β1,4-N-acetylgalactosaminyltransferase, named ngat-1, causes a maternally rescued temperature sensitive (ts) defect in the second phase of the three phase migration pattern of the posterior, but not the anterior, hermaphrodite Distal Tip Cell (DTC)...
2017: PloS One
https://www.readbyqxmd.com/read/28817610/an-overview-of-financial-sources-being-utilized-to-support-zika-virus-published-research
#16
Keisha Goodridge, Ludovic Reveiz, Vanessa Elias
BACKGROUND: Since its initial detection in Brazil in 2015, Zika Virus (ZIKV) has spread rapidly throughout most of the Caribbean and South, Central and North America. An upsurge in congenital syndrome associated with ZIKV and Guillain-Barre Syndrome (GBS) has been associated with the increase in ZIKV. This amplification in numbers led to the need for funded research initiatives focusing on various countries globally and on specific experimental types. OBJECTIVES: To determine the financial institutions involved in the production of primary research into the ZIKV epidemic...
2017: PloS One
https://www.readbyqxmd.com/read/28817601/bortezomib-initiates-endoplasmic-reticulum-stress-elicits-autophagy-and-death-in-echinococcus-granulosus-larval-stage
#17
María Celeste Nicolao, Julia A Loos, Christian Rodriguez Rodrigues, Viviana Beas, Andrea C Cumino
Cystic echinococcosis (CE) is a worldwide distributed helminthic zoonosis caused by Echinococcus granulosus. Benzimidazole derivatives are currently the only drugs for chemotherapeutic treatment of CE. However, their low efficacy and the adverse effects encourage the search for new therapeutic targets. We evaluated the in vitro efficacy of Bortezomib (Bz), a proteasome inhibitor, in the larval stage of the parasite. After 96 h, Bz showed potent deleterious effects at a concentration of 5 μM and 0.5 μM in protoscoleces and metacestodes, respectively (P < 0...
2017: PloS One
https://www.readbyqxmd.com/read/28817591/susceptibility-of-bovine-dental-enamel-with-initial-erosion-lesion-to-new-erosive-challenges
#18
Gabriela Cristina de Oliveira, Guida Paola Genovez Tereza, Ana Paula Boteon, Brunna Mota Ferrairo, Priscilla Santana Pinto Gonçalves, Thiago Cruvinel da Silva, Heitor Marques Honório, Daniela Rios
This in vitro study evaluated the impact of initial erosion on the susceptibility of enamel to further erosive challenge. Thirty bovine enamel blocks were selected by surface hardness and randomized into two groups (n = 15): GC- group composed by enamel blocks without erosion lesion and GT- group composed by enamel blocks with initial erosion lesion. The baseline profile of each block was determined using the profilometer. The initial erosion was produced by immersing the blocks into HCl 0.01 M, pH 2.3 for 30 seconds, under stirring...
2017: PloS One
https://www.readbyqxmd.com/read/28817588/phylogeography-of-the-reticulated-python-malayopython-reticulatus-ssp-conservation-implications-for-the-worlds-most-traded-snake-species
#19
Gillian Murray-Dickson, Muhammad Ghazali, Rob Ogden, Rafe Brown, Mark Auliya
As an important economic natural resource in Southeast Asia, reticulated pythons (Malayopython reticulatus ssp.) are primarily harvested from the wild for their skins-which are prized in the luxury leather goods industry. Trade dynamics of this CITES Appendix II listed species are complex and management approaches on the country or regional level appear obscure. Little is known about the actual geographic point-of-harvest of snakes, how genetic diversity is partitioned across the species range, how current harvest levels may affect the genetic viability of populations, and whether genetic structure could (or should) be accounted for when managing harvest quotas...
2017: PloS One
https://www.readbyqxmd.com/read/28817586/ten-simple-rules-to-initiate-and-run-a-postdoctoral-association
#20
EDITORIAL
Chiara Bruckmann, Endre Sebestyén
No abstract text is available yet for this article.
August 2017: PLoS Computational Biology
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