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https://www.readbyqxmd.com/read/28934846/egfr-mutation-status-in-lung-adenocarcinoma-associated-malignant-pleural-effusion-and-efficacy-of-egfr-tyrosine-kinase-inhibitors
#1
Jiyoul Yang, Ok-Jun Lee, Seung-Myoung Son, Chang Gok Woo, Yusook Jeong, Yaewon Yang, Jihyun Kwon, Ki Hyeong Lee, Hye Sook Han
Purpose: Malignant pleural effusions (MPEs) are often observed in lung cancer, particularly adenocarcinoma. The aim of this study was to investigate epidermal growth factor receptor (EGFR) mutation status in lung adenocarcinoma-associated MPEs (LA-MPEs) and its correlation with efficacy of EGFR tyrosine kinase inhibitor (TKI) therapy. Methods: Samples comprised 40 cell blocks of pathologically-confirmed LA-MPEs collected before the start of EGFR TKI therapy. EGFR mutation status was re-evaluated by peptide nucleic acid clamping and the clinical outcomes of EGFR TKI-treated patients were analyzed retrospectively...
September 19, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28934825/the-potential-roles-of-melf-pattern-microvessel-density-and-vegf-expression-in-survival-of-patients-with-endometrioid-endometrial-carcinoma-a-morphometrical-and-immunohistochemical-analysis-of-100-cases
#2
Dmitry Aleksandrovich Zinovkin, Md Zahidul Islam Pranjol, Daniil Rudolfovich Petrenyov, Eldar Arkadievich Nadyrov, Oleg Gennadievich Savchenko
BACKGROUND: In this study, we hypothesized that microcystic, elongated, fragmented (MELF)-pattern, vascular endothelial growth factor (VEGF) expression by cancer cells and microvessel density of cancer stroma may be associated with progression of endometrioid adenocarcinoma. METHODS: The study used data from the Belarus Cancer Registry and archival histological material of 100 patients with retrospectively known good (survival) and poor (disease progression and death) outcomes...
September 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28934652/ecophysiological-responses-to-excess-iron-in-lowland-and-upland-rice-cultivars
#3
Caroline Müller, Solange Ferreira da Silveira Silveira, Danilo de Menezes Daloso, Giselle Camargo Mendes, Andrew Merchant, Kacilda Naomi Kuki, Marco Antonio Oliva, Marcelo Ehlers Loureiro, Andréa Miyasaka Almeida
Iron (Fe) is an essential nutrient for plants but under high concentrations, such as that found naturally in clay and waterlogged soils, its toxic effect can limit production. This study aimed to investigate the stress tolerance responses exhibited by different rice cultivars. Both lowland and upland cultivars were grown under excess Fe and hypoxic conditions. Lowland cultivars showed higher Fe accumulation in roots compared with upland cultivars suggesting the use of different strategies to tolerate excess Fe...
September 13, 2017: Chemosphere
https://www.readbyqxmd.com/read/28934643/combined-effects-of-microcystin-and-nitrite-on-the-growth-lipid-peroxidation-and-antioxidant-responses-of-the-freshwater-rotifer-brachionus-calyciflorus
#4
Ye Liang, Xinglan Chen, Xuxin Lu, Sichen Jin, Yuanqi Min, Jiaxin Yang
Toxicants released during the degradation of cyanobacterial blooms, such as microcystin-LR (MC-LR) and nitrite (NO2-N), affect the growth of aquatic organisms. The freshwater rotifer Brachionus calyciflorus was exposed to solutions with different combined concentrations of MC-LR (0, 10, 50, 100, and 200μgL(-1)) and NO2-N (0, 2, 4, 6, and 8mgL(-1)) to assess the combined effects of MC-LR and NO2-N on life cycle parameters and oxidative stress. Single solutions of MC-LR 200μgL(-1) and NO2-N 8mgL(-1) were toxic to rotifers...
September 14, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28934640/continuous-longitudinal-infusion-of-rhigf-1-rhigfbp-3-in-extremely-preterm-infants-evaluation-of-feasibility-in-a-phase-ii-study
#5
Ingrid Hansen-Pupp, Ann Hellström, Mohamed Hamdani, Adina Tocoian, Nerissa C Kreher, David Ley, Boubou Hallberg
OBJECTIVE: To evaluate the feasibility of continuous longitudinal intravenous infusion of recombinant human insulin-like growth factor-1/recombinant human insulin-like growth factor binding protein-3 (rhIGF-1/rhIGFBP-3) for prevention of retinopathy of prematurity and other complications in extremely preterm infants (<28weeks' gestational age), based on initial sections of a phase II randomized controlled trial. DESIGN: The phase II trial was designed in four sections (A-D); we report pharmacokinetic and adverse events (AEs) data pooled for Sections B and C...
August 31, 2017: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/28934356/reducing-cell-wall-feruloylation-by-expression-of-a-fungal-ferulic-acid-esterase-in-festuca-arundinacea-modifies-plant-growth-leaf-morphology-and-the-turnover-of-cell-wall-arabinoxylans
#6
Marcia M de O Buanafina, Prashanti R Iyer, M Fernanda Buanafina, Erica A Shearer
A feature of cell wall arabinoxylan in grasses is the presence of ferulic acid which upon oxidative coupling by the action of peroxidases forms diferuloyl bridges between formerly separated arabinoxylans. Ferulate cross-linking is suspected of playing various roles in different plant processes. Here we investigate the role of cell wall feruloyaltion in two major processes, that of leaf growth and the turnover of cell wall arabinoxylans on leaf senescence in tall fescue using plants in which the level of cell wall ferulates has been reduced by targeted expression of the Aspergillus niger ferulic acid esterase A (FAEA) to the apoplast or Golgi...
2017: PloS One
https://www.readbyqxmd.com/read/28934001/imazethapyr-persistence-in-sandy-loam-detected-using-white-mustard-bioassay
#7
Katarina Jovanović-Radovanov
Field experiments were conducted during two years at Srem region to investigate the influence of meteorological conditions, time and rate of application on soil persistence of imazethapyr in sandy loam type of soil. Imazethapyr was applied PRE- and POST-EM and in both cases in three application rates: 80, 120 and 160 g a.i./ha. Soil samples were collected from the day of herbicide application in predetermined intervals up to one year after application and residual concentrations were determined with a white mustard root bioassay...
September 21, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/28933867/stereocomplex-crystallization-of-star-shaped-four-armed-stereo-diblock-poly-lactide-from-the-melt-effects-of-incorporated-linear-one-armed-poly-l-lactide-or-poly-d-lactide
#8
Hideto Tsuji, Ryota Ozawa, Yuki Arakawa
Star-shaped four-armed stereo diblock poly(lactide) (4-LD) and linear one-armed PLLA or PDLA (1-L or 1-D) having the molecular weight similar to that of 4-LD [higher molecular weight 1-L(H) or 1-D(H)] and that of one block of 4-LD [lower molecular weight 1-L(L) or 1-D(L)] were synthesized and the effects of incorporated 1-L or 1-D on the isothermal and non-isothermal crystallization of 4-LD blends from the melt were investigated. Solely stereocomplex crystallites were formed in unblended 4-LD and 4-LD blends incorporated with 1-L or 1-D during isothermal and non-isothermal crystallization...
September 21, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28933789/trends-in-utilization-and-costs-of-brca-testing-among-women-aged-18-64-years-in-the-united-states-2003-2014
#9
Zhuo Chen, Katherine Kolor, Scott D Grosse, Juan L Rodriguez, Julie A Lynch, Ridgely Fisk Green, W David Dotson, M Scott Bowen, Muin J Khoury
PurposeWe examined 12-year trends in BRCA testing rates and costs in the context of clinical guidelines, national policies, and other factors.MethodsWe estimated trends in BRCA testing rates and costs from 2003 to 2014 for women aged 18-64 years using private claims data and publicly reported revenues from the primary BRCA testing provider.ResultsThe percentage of women with zero out-of-pocket payments for BRCA testing increased during 2013-2014, after 7 years of general decline, coinciding with a clarification of Affordable Care Act coverage of BRCA genetic testing...
September 21, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28933696/a-novel-topical-wound-therapy-delivery-system
#10
Ingrid Herskovitz, Flor E MacQuhae, Luis J Borda, Stephanie Bhagwandin, Juan A Paredes, Thais Polanco, John C Lantis, Paul J Kim, Tania J Phillips, Robert S Kirsner
INTRODUCTION: Wound care dressings have evolved over time, from bandaging to the development of occlusive dressings to negative pressure wound therapy. A novel therapeutic delivery system dressing has been cleared by the United States Food and Drug Administration. This semi occlusive wound dressing has been developed to provide local, continuous delivery of aqueous topical agents, such as therapeutics (anesthetics, antiseptics, antibiotics, steroids, topical beta-blockers, immune modulatory agents, growth factors, and fibrinolytic agents, among others), at a rate of about ¾ mL per day, thus maintaining a hydrated environment and providing topical treatment...
September 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28933477/a-cobalt-ii-heteroarylalkenolate-precursor-for-homogeneous-co3o4-coatings-by-atomic-layer-deposition
#11
Mehtap Büyükyazi, Thomas Fischer, Penmgei Yu, Mariona Coll, Sanjay Mathur
We present a new and efficient cobalt precursor, Co(II)(DMOCHCOCF3)2, to prepare Co3O4 thin films and conformal coatings. In the synthesis of this Co complex, heteroaryl moieties and CF3-groups were combined leading to the precursor with high thermal stability and volatility. The suitability of this precursor for ALD deposition was tested on flat silicon substrates and TiO2/C nanofibers upon process optimization. Deposition at 200 °C results in homogeneous and smooth Co3O4 thin films with a growth rate of 0...
September 21, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28933279/zinc-transporter-protein-tzn-1-may-also-play-a-role-in-conidiation-pathway-of-neurospora-crassa-an-insight-using-proteogenomic-approachusing-proteogenomic-approach
#12
Divya Rupa Venkata Pandala, Jogeswar Gadi, Kiranmayi Patnala
Zinc transporter (tzn-1) of Neurospora crassa plays a crucial role in conidiation pathway, as its removal results in aconidiation which was reported in our earlier studies. Present study depicts the role of tzn-1 in conidiation process, by comparing knockout (KO) mutants zinc transporter KO (Δtzn-1) and aconidiating gene KO (Δacon-3) with wild oak ridge (OR) 74 'A' strain by 'Proteo-genomic' approach. Firstly, nine commonly overexpressed protein spots from the two sets (Δtzn-1 to wild and Δacon-3 to wild) were analyzed by combining 2-Dimensional gel electrophoresis (2DE) with Matrix Associated Laser Desorption/Ionization mass spectrometry -Peptide Mass Fingerprint (MALDI-PMF)...
September 19, 2017: Protein and Peptide Letters
https://www.readbyqxmd.com/read/28933203/in-vivo-antitumor-effect-of-endostatin-loaded-chitosan-nanoparticles-combined-with-paclitaxel-on-lewis-lung-carcinoma
#13
Fang Xie, Rui-Lin Ding, Wen-Feng He, Zong-Jun-Lin Liu, Shao-Zhi Fu, Jing-Bo Wu, Ling-Lin Yang, Sheng Lin, Qing-Lian Wen
The purpose of this study was to prepare endostatin-loaded chitosan nanoparticles (ES-NPs) and evaluate their antitumor effect when combined with paclitaxel (PTX) on Lewis lung carcinoma (LLC) mouse xenografts. ES-NPs were prepared by ionic cross-linking. Characterization of the ES-NPs included size distribution, drug-loading efficiency (DL), and encapsulation efficiency (EE). An in vitro release test was also used to determine the release behavior of the ES-NPs. A subcutaneous LC xenograft model of C57BL/6J mice was established...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28933037/effects-of-strain-sex-and-season-on-body-weight-development-of-cane-rat-thryonomys-swinderianus-in-the-humid-tropics
#14
Oluwatosin M A Jesuyon
The effects of strain (G), sex (H), and season (S) on live weight development of cane rats (Thryonomys swinderianus) reared in captive system were investigated during the dry (35.95 °C) and wet seasons (25.81 °C) from February to August of a tropical environment. The field experiment took place at the University of Ibadan. Seventy-nine cane rats spreading among three genotypes (Bamidele, FRIN, and Lawole) of different age and body weight groups were randomly distributed into cages using randomized complete block design in factorial...
September 20, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28933031/screening-isolation-and-molecular-identification-of-biodegrading-mycobacteria-from-iranian-ecosystems-and-analysis-of-their-biodegradation-activity
#15
Davood Azadi, Hasan Shojaei, Sina Mobasherizadeh, Abass Daei Naser
Anthropogenic origin pollutants including pesticides, heavy metals, pharmaceuticals and industry chemicals impose many risks to human health and environment and bioremediation has been considered the strategy of choice to reduce the risk of hazardous chemicals. In the current study, we aimed to screen and characterize mycobacteria from the diverse range of Iranian aquatic and terrestrial ecosystems with harsh and unfavorable environmental conditions that can be utilized for biodegradation of target pollutants...
September 20, 2017: AMB Express
https://www.readbyqxmd.com/read/28932666/synthesis-of-high-quality-graphene-and-hexagonal-boron-nitride-monolayer-in-plane-heterostructure-on-cu-ni-alloy
#16
Guangyuan Lu, Tianru Wu, Peng Yang, Yingchao Yang, Zehua Jin, Weibing Chen, Shuai Jia, Haomin Wang, Guanhua Zhang, Julong Sun, Pulickel M Ajayan, Jun Lou, Xiaoming Xie, Mianheng Jiang
Graphene/hexagonal boron nitride (h-BN) monolayer in-plane heterostructure offers a novel material platform for both fundamental research and device applications. To obtain such a heterostructure in high quality via controllable synthetic approaches is still challenging. In this work, in-plane epitaxy of graphene/h-BN heterostructure is demonstrated on Cu-Ni substrates. The introduction of nickel to copper substrate not only enhances the capability of decomposing polyaminoborane residues but also promotes graphene growth via isothermal segregation...
September 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28932588/kras-mutation-positive-mucinous-adenocarcinoma-originating-in-the-thymus
#17
Ichiro Sakanoue, Hiroshi Hamakawa, Daichi Fujimoto, Yukihiro Imai, Kazuhiro Minami, Keisuke Tomii, Yutaka Takahashi
Thymic carcinoma is a rare, aggressive disease with a low 5-year survival rate. The most common histological neoplastic thymic tumor subtype is squamous cell. We describe an interesting case of a 39-year-old woman who presented with mucinous adenocarcinoma that originated in the thymus and was treated via radical resection and venoplasty of the superior vena cava (SVC). Macroscopically, the resected tumor contained a solid region and multiple cysts with abundant mucin. Microscopic examination showed a papillary growth pattern of goblet cells with round nuclei...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28932375/fever-of-unknown-origin-in-a-male-patient-with-systemic-lupus-erythematosus
#18
Duminda Bandara Basnayake, Thamara Kannangara, Laknath Welagedara, Vindhya Bandara, Janitha Herath
BACKGROUND: Systemic lupus erythematosus (SLE) is an inflammatory autoimmune disorder which is uncommon in men. It has a wide variety of clinical presentations. CASE REPORT: We report a 21-year-old male presented with one month history of fever, loss of appetite, weight loss and reduced hair growth with an examination revealing an oral ulcer, cervical and axillary lymphadenopathy simulating hematological malignancy. Investigations showed pancytopenia, positive anti-nuclear factor and double-stranded DNA, high erythrocyte sedimentation rate with normal C-reactive protein levels and hypocomplementemia...
2017: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/28932332/juvenile-psammomatoid-ossifying-fibroma-jpof-of-proximal-radius-a-rare-entity
#19
Jagadish Prabhu, Veena Nagaraj, Iftikhar Ahmed Mukhtar
BACKGROUND: Juvenile psammomatoid ossifying fibroma (JPOF) is a rare fibro-osseous lesion that usually occurs in the facial bones. The pathognomonic histopathologic feature is the presence of spherical ossicles, which are similar to psammoma bodies. It is considered to be a unique lesion because of its reported tendency to occur in children and adolescents and its tendency for locally aggressive growth. Because this lesion is aggressive in nature with high recurrence rate, early detection and complete surgical excision are essential...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28931871/filtering-effect-of-temporal-niche-fluctuation-and-amplitude-of-environmental-variations-on-the-trait-related-flowering-patterns-lesson-from-sub-mediterranean-grasslands
#20
Andrea Catorci, Karina Piermarteri, Károly Penksza, Judit Házi, Federico Maria Tardella
Timing of flowering is a critical component of community assembly, but how plant traits respond to heterogeneity of resources has been identified mostly through observations of spatial variations. Thus, we performed a trait-based phenological study in sub-Mediterranean grasslands to assess the importance of temporal variation of resources in the species assemblage processes. We found that early flowering species have traits allowing for slow resource acquisition and storage but rapid growth rate. Instead, mid- and late-flowering species exhibited sets of strategies devoted to minimizing water loss by evapotranspiration or aimed at maximizing the species' competitive ability, thanks to slow growth rate and more efficient resource acquisition, conservation and use...
September 20, 2017: Scientific Reports
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