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https://www.readbyqxmd.com/read/28454229/somatostatin-receptor-expression-indicates-improved-prognosis-in-gastroenteropancreatic-neuroendocrine-neoplasm-and-octreotide-long-acting-release-is-effective-and-safe-in-chinese-patients-with-advanced-gastroenteropancreatic-neuroendocrine-tumors
#1
Yuhong Wang, Wei Wang, Kaizhou Jin, Cheng Fang, Yuan Lin, Ling Xue, Shiting Feng, Zhiwei Zhou, Chenghao Shao, Minhu Chen, Xianjun Yu, Jie Chen
Gastroenteropancreatic neuroendocrine neoplasm (GEP-NEN) is known to overexpress somatostatin receptors (SSTRs), most commonly SSTR2 and SSTR5. The expression of SSTRs on tumor cells forms the basis for somatostatin analog treatment of patients with NEN. The present study detected the expression of SSTR2 and SSTR5 in GEP-NEN and investigated the efficacy and safety of octreotide long-acting release (LAR) in the treatment of advanced gastroenteropancreatic neuroendocrine tumors (GEP-NET) in China. The present study reported that functionality of the pancreas, G1 and G2 grading, NET classification and Tumor-Node-Metastasis stages I and II were associated with higher SSTR2 positive expression...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454179/simple-effective-medium-approximation-with-rayleigh-scattering
#2
Ashfaqul Anwar Siraji, Yang Zhao
We present a simple analytical effective medium approximation (EMA) that can account for finite-sized and interacting inclusions in the Rayleigh scattering regime. The polarizability of an individual inclusion is calculated using the Mie solution and net polarizability is formed, leading to effective parameters. The Mie coefficients are expanded into polynomials and curtailed to the sixth order, which is accurate in the Rayleigh regime. Results obtained using the developed models are compared with experimental results and existing EMAs...
May 1, 2017: Optics Letters
https://www.readbyqxmd.com/read/28454130/directly-modulated-green-light-diode-pumped-solid-state-laser-for-underwater-wireless-optical-communication
#3
Jing Xu, Meiwei Kong, Aobo Lin, Yuhang Song, Jun Han, Zhiwei Xu, Bo Wu, Shiming Gao, Ning Deng
It is widely known that a diode-pumped solid-state laser (DPSSL) has very limited modulation bandwidth. Recently, we directed our attention toward the opportunities for directly modulating a DPSSL to generate high-speed green-light signals, with high power and superior beam quality, which are highly desirable in underwater wireless optical communication. The constraint imposed by the limited modulation bandwidth of a DPSSL is circumvented with the strategy of orthogonal frequency-division multiplexing and power loading...
May 1, 2017: Optics Letters
https://www.readbyqxmd.com/read/28454119/anti-proliferative-and-anti-secretory-effects-of-everolimus-on-human-pancreatic-neuroendocrine-tumors-primary-cultures-is-there-any-benefit-from-combination-with-somatostatin-analogs
#4
Amira Mohamed, David Romano, Alexandru Saveanu, Catherine Roche, Manuela Albertelli, Federica Barbieri, Thierry Brue, Patricia Niccoli, Jean-Robert Delpero, Stephane Garcia, Diego Ferone, Tullio Florio, Vincent Moutardier, Flora Poizat, Anne Barlier, Corinne Gerard
Therapeutic management of gastroenteropancreatic neuroendocrine tumors (GEP-NETs) is challenging. The mammalian target of rapamycin (mTOR) inhibitor everolimus recently obtained approval from the Food and Drug Administration for the treatment of patients with advanced pancreatic neuroendocrine tumors (pNETs). Despite its promising antitumor efficacy observed in cell lines, clinical benefit for patients is unsatisfactory. The limited therapeutic potential of everolimus in cancer cells has been attributed to Akt activation due to feedback loops relief following mTOR inhibition...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454047/use-of-light-emitting-diodes-leds-for-enhanced-lipid-production-in-micro-algae-based-biofuels
#5
Alifha Severes, Shashank Hegde, L D'Souza, Smitha Hegde
Microalgae are an alternative source for renewable energy to overcome the energy crises caused by exhaustion of fuel reserves. Algal biofuel technology demands a cost effective strategy for net profitable productivity. Inconsistent illumination intensities hinder microalgal growth. The light-utilizing efficiency of the cells is critical. Light scarcity leads to low production and high intensities cause photo-inhibition. We report effective usage of LEDs of different band wavelengths on the growth of microalgae in a closed, controlled environment to generate biomass and lipid yields...
April 20, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28453943/supercharging-a-mno-sub-2-sub-nanowire-an-amine-altered-morphology-retains-capacity-at-high-rates-and-mass-loadings
#6
Girija Thesma Chandran, Gaurav Jha, Shaopeng Qiao, Mya Le Thai, Rajen Kumar Dutta, Alana F Ogata, Ji-Soo Jang, Il-Doo Kim, Reginald M Penner
The influence of hexamethylenetetraamine (HMTA) on the morphology of δ- MnO<sub>2</sub> and its properties for electrical energy storage are investigated - specifically for ultra-thick δ-MnO<sub>2<\sub> layers in the micron scale. Planar arrays of gold@δ-MnO<sub>2</sub>, core@shell nanowires, were prepared by electrodeposition with and without the HMTA and their elec- trochemical properties evaluated. HMTA alters the MnO<sub>2</sub> in three ways: First, it creates a more open morphology for the MnO<sub>2</sub> coating, characterized by "petals" with a thickness of 6 nm to 9 nm, rather than much thinner δ-MnO<sub>2</sub> sheets seen in the absence of HMTA...
April 28, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28453721/apheresis-as-novel-treatment-for-refractory-angina-with-raised-lipoprotein-a-a-randomized-controlled-cross-over-trial
#7
Tina Z Khan, Li-Yueh Hsu, Andrew E Arai, Samantha Rhodes, Alison Pottle, Ricardo Wage, Winston Banya, Peter D Gatehouse, Shivraman Giri, Peter Collins, Dudley J Pennell, Mahmoud Barbir
Aims: To determine the clinical impact of lipoprotein apheresis in patients with refractory angina and raised lipoprotein(a) > 500 mg/L on the primary end point of quantitative myocardial perfusion, as well as secondary end points including atheroma burden, exercise capacity, symptoms, and quality of life. Methods: We conducted a single-blinded randomized controlled trial in 20 patients with refractory angina and raised lipoprotein(a) > 500 mg/L, with 3 months of blinded weekly lipoprotein apheresis or sham, followed by crossover...
April 26, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28453677/afs-identification-and-quantification-of-species-composition-by-metagenomic-sequencing
#8
Yongchao Liu, Fabian Ripp, Rene Koeppel, Hanno Schmidt, Sören Lukas Hellmann, Mathias Weber, Christopher Felix Krombholz, Bertil Schmidt, Thomas Hankeln
Summary: DNA-based methods to detect and quantify taxon composition in biological materials are often based on species-specific polymerase chain reaction, limited to detecting species targeted by the assay. Next-generation sequencing overcomes this drawback by untargeted shotgun sequencing of whole metagenomes at affordable cost. Here we present AFS, a software pipeline for quantification of species composition in food. AFS uses metagenomic shotgun sequencing and sequence read counting to infer species proportions...
May 1, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28453647/photosynthetic-acclimation-to-warming-in-tropical-forest-tree-seedlings
#9
Martijn Slot, Klaus Winter
Tropical forests have a mitigating effect on man-made climate change by acting as a carbon sink. For that effect to continue, tropical trees will have to acclimate to rising temperatures, but it is currently unknown whether they have this capacity. We grew seedlings of three tropical tree species over a range of temperature regimes (TGrowth = 25, 30, 35 °C) and measured the temperature response of photosynthetic CO2 uptake. All species showed signs of acclimation: the temperature-response curves shifted, such that the temperature at which photosynthesis peaked (TOpt) increased with increasing TGrowth...
April 27, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28453244/a-cap-on-medicaid-how-block-grants-per-capita-caps-and-capped-allotments-might-fundamentally-change-the-safety-net
#10
Haleigh Mager-Mardeusz, Cosima Lenz, Gerald F Kominski
Changing the Medicaid program is a top priority for the Republican party. Common themes from GOP proposals include converting Medicaid from a jointly financed entitlement benefit to a form of capped federal financing. While proponents of this reform argue that it would provide greater flexibility and a more predictable budget for state governments, serious consequences would likely result for Medicaid enrollees and state governments. Under all three scenarios promoted by Republicans--block grants, capped allotments, and per capita caps—most states would face increased costs...
April 2017: Policy Brief
https://www.readbyqxmd.com/read/28449482/retrospective-analysis-of-stereotactic-ablative-radiotherapy-sabr-for-metastatic-lung-lesions-mlls-in-comparison-with-a-contemporaneous-cohort-of-primary-lung-lesions-plls
#11
Feras Oskan, Yvonne Dzierma, Stefan Wagenpfeil, Christian Rübe, Jochen Fleckenstein
BACKGROUND: The net benefit from local ablative therapy for pulmonary oligometastases remains unknown. The outcomes of stereotactic ablative radiotherapy (SABR) for metastatic lung lesions (MLLs) were analyzed retrospectively and compared with those of SABR for primary lung lesions (PLLs). METHODS: Medical records of patients treated with lung SABR between 2011 and 2014 were retrospectively reviewed. Basic patient, lesion and treatment characteristics were compared using the Pearson chi-square test for categorical and Mann-Whitney U test for continuous variables...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449465/application-of-bronchoscope-for-the-placement-of-nasoenteric-feeding-tube-in-patients-with-esophagectomy-a-novel-technique
#12
Hai-Xia Cao, Wei Zhang, Jun Zhang, Xiong-Huai Hua, Jian-Jun Qin, Yin Li
BACKGROUND: Currently the available techniques for the placement of nasoenteric feeding tube (NET), utilizing transnasal gastroscope are fast and tolerable, which is known as the most popular method. However, lots of hospitals don't have this endoscopic system. Bronchoscope, which is the basic respiratory endoscope, not only has the advantages of transnasal endoscopy, but also is popular in common hospitals. We used oxygen instillation as air supply plant of the bronchoscope, which broke its application limitation in digestive tract...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28449357/premastication-and-length-for-age-among-children-under-24%C3%A2-months-in-laos
#13
Joel Conkle, Sengchanh Kounnavong, Melissa Young, Aryeh D Stein
Premastication of infant food by caregivers is common in Laos. Premastication is hypothesized to have both positive and negative implications for children, but the net effect of premastication on child health and nutrition is largely unknown because of a lack of research. This study quantitatively describes premastication in 5 provinces of Laos and examines the associations between premastication and the length of young children. We analyzed cross-sectional data from the Laos 2015 Food and Nutrition Security Survey to characterize premastication among children under 2 years of age (n = 1,661) and to test associations between premastication and child length-for-age z-score...
April 27, 2017: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/28449275/public-perception-of-dermatology-and-dermatologists-in-italy-results-from-a-population-based-national-survey
#14
P Gisondi, G Deangelis, G Venturelli, G Girolomoni
INTRODUCTION: The public perception of Dermatology and dermatologists may be very relevant in guiding strategies for improving dermatologic care but it has been poorly investigated in Europe. OBJECTIVE: To investigate the public's perception of Dermatology and dermatologists in Italy. METHODS: A representative sampling of Italian adults (n=1500, aged 18-70 years), residing throughout the national territory was interviewed through a population-based telephone survey using a structured questionnaire...
April 27, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28449027/lipoprotein-a-and-the-risk-of-cardiovascular-disease-in-the-european-population-results-from-the-biomarcare-consortium
#15
Christoph Waldeyer, Nataliya Makarova, Tanja Zeller, Renate B Schnabel, Fabian J Brunner, Torben Jørgensen, Allan Linneberg, Teemu Niiranen, Veikko Salomaa, Pekka Jousilahti, John Yarnell, Marco M Ferrario, Giovanni Veronesi, Paolo Brambilla, Stefano G Signorini, Licia Iacoviello, Simona Costanzo, Simona Giampaoli, Luigi Palmieri, Christa Meisinger, Barbara Thorand, Frank Kee, Wolfgang Koenig, Francisco Ojeda, Jukka Kontto, Ulf Landmesser, Kari Kuulasmaa, Stefan Blankenberg
Aims: As promising compounds to lower Lipoprotein(a) (Lp(a)) are emerging, the need for a precise characterization and comparability of the Lp(a)-associated cardiovascular risk is increasing. Therefore, we aimed to evaluate the distribution of Lp(a) concentrations across the European population, to characterize the association with cardiovascular outcomes and to provide high comparability of the Lp(a)-associated cardiovascular risk by use of centrally determined Lp(a) concentrations. Methods and results: Based on the Biomarkers for Cardiovascular Risk Assessment in Europe (BiomarCaRE)-project, we analysed data of 56 804 participants from 7 prospective population-based cohorts across Europe with a maximum follow-up of 24 years...
April 24, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28448937/assessment-of-n2o-emissions-from-a-fertilised-vegetable-cropping-soil-under-different-plant-residue-management-strategies-using-15-n-tracing-techniques
#16
M Rezaei Rashti, W J Wang, C R Chen, S H Reeves, C Scheer
Combined application of plant residues and N fertilisers strongly affect soil mineral N dynamics and N2O emissions depending on the quality of the plant residues, their application methods and other management strategies. We investigated the effect of combined application of two vegetable plant residues (cauliflower and sweet corn) and (15)N fertiliser on N dynamics and N2O emission in a glasshouse pot study. The experiment was conducted under two residue management practices (soil incorporation vs surface mulching) over 98days with growing basil (Ocimum basilicum) plants...
April 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28448916/on-the-necessity-of-improving-the-environmental-impacts-of-furniture-and-appliances-in-net-zero-energy-buildings
#17
Endrit Hoxha, Thomas Jusselme
There is now clear evidence regarding the extensive use of furniture and appliances in daily human life, but there is less evidence of their impact on the environment. Responding to this gap in knowledge, this study focuses on an assessment of the environmental impacts of furniture and appliances as used in highly energy efficient buildings. Their primary energy, non-renewable energy and global warming potential indicators have been assessed by extending the boundaries of the Life Cycle Assessment (LCA) study beyond the building itself...
April 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28448844/consequences-of-bioenergy-wood-extraction-for-landscape-level-availability-of-habitat-for-dead-wood-dependent-organisms
#18
Matthew Hiron, Mats Jonsell, Ariana Kubart, Göran Thor, Martin Schroeder, Anders Dahlberg, Victor Johansson, Thomas Ranius
Stumps and slash resulting from forest clearcutting is used as a source of low-net-carbon energy, but there are concerns about the consequences of biofuel extraction on biodiversity. Logging residues constitute potentially important habitats, since a large part of forest biodiversity is dependent on dead wood. Here we used snapshot field data from a managed forest landscape (25 000 ha) to predict landscape scale population changes of dead wood dependent organisms after extraction of stumps and slash after clearcutting...
April 24, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28448809/recent-land-use-and-land-cover-changes-and-its-driving-factors-in-a-fire-prone-area-of-southwestern-turkey
#19
Olga Viedma, José M Moreno, Cumhur Güngöroglu, Ufuk Cosgun, Ali Kavgacı
During the last decades, contrasted trends in forest fires among countries around the Mediterranean basin have been observed. In the northern/western countries, Land Use-Land Cover (LULC) changes led to more hazardous landscapes, with consequent increases in fires. This contrasted with fire trends in southern/eastern countries. The recent incidence of large fires in some of the latter prompted the question of whether they are now following the path of their neighbors decades earlier. In this study, we investigated recent LULC changes in southwestern Turkey, focusing on those that could affect fire, and the factors driving them...
April 24, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28448757/prevalence-and-types-of-gender-affirming-surgery-among-a-sample-of-transgender-endocrinology-patients-prior-to-state-expansion-of-insurance-coverage
#20
Maya Kailas, Hsun Ming Simon Lu, Emily F Rothman, Joshua D Safer
OBJECTIVE: Transgender individuals now have many options for medical intervention, including gender affirmation surgeries. However, it is unknown how common it is for transgender individuals to undergo these surgeries. The purpose of this cross-sectional study was to assess the prevalence of gender affirming surgeries among transgender patients in 2015, which was immediately prior to insurance changes that made gender affirming surgery more affordable for Massachusetts residents. DESIGN: A retrospective chart review of 99 transgender patients was performed at the Endocrinology Clinic at Boston Medical Center, an urban safety net hospital...
April 27, 2017: Endocrine Practice
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