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https://www.readbyqxmd.com/read/28647936/18f-fdg-pet-ct-pulmonary-infiltrates-in-non-hodgkin-lymphoma-patients-treated-with-combined-immunochemotherapy-incidence-and-clinical-characteristics
#1
Yael C Cohen, Tamar Berger, Lora Eshel, Dorit Stern, Osnat Bairey, Pia Raanani, Ofer Shpilberg
BACKGROUND: Pulmonary infiltrates (PIs) detected in patients with non-Hodgkin lymphoma (NHL) may present a diagnostic challenge due to their wide differential diagnosis, including infection, pulmonary lymphoma and immunochemotherapy-associated pulmonary toxicity. OBJECTIVES: To characterize therapy-associated PIs by positron emission tomography/computed tomography (PET/CT) imaging. METHODS: We conducted a historical analysis of fluorodeoxyglucose-PET/CT (18F-FDG-PET/CT) PIs in NHL patients treated with combined immunochemotherapy including rituximab...
June 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28647837/targeting-metabolic-reprogramming-in-kras-driven-cancers
#2
REVIEW
Kenji Kawada, Kosuke Toda, Yoshiharu Sakai
Mutations of KRAS are found in a variety of human malignancies, including in pancreatic cancer, colorectal cancer, and non-small cell lung cancer at high frequency. To date, no effective treatments that target mutant variants of KRAS have been introduced into clinical practice. In recent years, a number of studies have shown that the oncogene KRAS plays a critical role in controlling cancer metabolism by orchestrating multiple metabolic changes. One of the metabolic hallmarks of malignant tumor cells is their dependency on aerobic glycolysis, known as the Warburg effect...
June 24, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28647825/contribution-characteristics-of-the-in-situ-extracellular-polymeric-substances-eps-in-phanerochaete-chrysosporium-to-pb-immobilization
#3
Ningjie Li, Xuehong Zhang, Dunqiu Wang, Yan Cheng, Lei Wu, Linbo Fu
White rot fungi have been extensively reported to have strong adsorption capacity to heavy metal ions, whereas the knowledge of extracellular polymeric substances (EPS) from the fungus has been rarely involved. In this study, the contribution characteristics of 'the in situ EPS in Phanerochaete chrysosporium to Pb immobilization were investigated. First of all, the component and amount of EPS were investigated. It was found that the main component of EPS was carbohydrates, and highest EPS amount was produced at 5 days...
June 24, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28647759/a-community-based-randomized-controlled-trial-of-mom-power-parenting-intervention-for-mothers-with-interpersonal-trauma-histories-and-their-young-children
#4
Katherine L Rosenblum, Maria Muzik, Diana M Morelen, Emily A Alfafara, Nicole M Miller, Rachel M Waddell, Melisa M Schuster, Julie Ribaudo
We conducted a study to evaluate the effectiveness of Mom Power, a multifamily parenting intervention to improve mental health and parenting among high-risk mothers with young children in a community-based randomized controlled trial (CB-RCT) design. Participants (N = 122) were high-risk mothers (e.g., interpersonal trauma histories, mental health problems, poverty) and their young children (age <6 years), randomized either to Mom Power, a parenting intervention (treatment condition), or weekly mailings of parenting information (control condition)...
June 25, 2017: Archives of Women's Mental Health
https://www.readbyqxmd.com/read/28647757/arbuscular-mycorrhiza-effects-on-plant-performance-under-osmotic-stress
#5
REVIEW
Christian Santander, Ricardo Aroca, Juan Manuel Ruiz-Lozano, Jorge Olave, Paula Cartes, Fernando Borie, Pablo Cornejo
At present, drought and soil salinity are among the most severe environmental stresses that affect the growth of plants through marked reduction of water uptake which lowers water potential, leading to osmotic stress. In general, osmotic stress causes a series of morphological, physiological, biochemical, and molecular changes that affect plant performance. Several studies have found that diverse types of soil microorganisms improve plant growth, especially when plants are under stressful conditions. Most important are the arbuscular mycorrhizal fungi (AMF) which form arbuscular mycorrhizas (AM) with approximately 80% of plant species and are present in almost all terrestrial ecosystems...
June 25, 2017: Mycorrhiza
https://www.readbyqxmd.com/read/28647642/a-model-of-how-targeted-and-universal-welfare-entitlements-impact-on-material-psycho-social-and-structural-determinants-of-health-in-older-adults
#6
Judith Green, Stefanie Buckner, Sarah Milton, Katie Powell, Sarah Salway, Suzanne Moffatt
A growing body of research attests to the impact of welfare regimes on health and health equity. However, the mechanisms that link different kinds of welfare entitlement to health outcomes are less well understood. This study analysed the accounts of 29 older adults in England to delineate how the form of entitlement to welfare and other resources (specifically, whether this was understood as a universal entitlement or as targeted to those in need) impacts on the determinants of health. Mechanisms directly affecting access to material resources (through deterring uptake of benefits) have been well documented, but those that operate through psychosocial and more structural pathways less so, in part because they are more challenging to identify...
June 15, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28647606/role-of-streptomyces-pactum-in-phytoremediation-of-trace-elements-by-brassica-juncea-in-mine-polluted-soils
#7
Amjad Ali, Di Guo, Amanullah Mahar, Zhen Wang, Dost Muhammad, Ronghua Li, Ping Wang, Feng Shen, Quanhong Xue, Zengqiang Zhang
The industrial expansion, smelting, mining and agricultural practices have increased the release of toxic trace elements (TEs) in the environment and threaten living organisms. The microbe-assisted phytoremediation is environmentally safe and provide an effective approach to remediate TEs contaminated soils. A pot experiment was conducted to test the potential of an Actinomycete, subspecies Streptomyces pactum (Act12) along with medical stone compost (MSC) by growing Brassica juncea in smelter and mines polluted soils of Feng County (FC) and Tongguan (TG, China), respectively...
June 22, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28647604/hydrogen-rich-water-induces-aluminum-tolerance-in-maize-seedlings-by-enhancing-antioxidant-capacities-and-nutrient-homeostasis
#8
Xueqiang Zhao, Qiuhong Chen, Yanmei Wang, Zhenguo Shen, Wenbiao Shen, Xiaoming Xu
The ameliorative effect of H2 on aluminum (Al)-induced stress remains poorly understood. We treated maize seedlings with Al and hydrogen-rich water (HRW) to determine the roles of H2 in the alleviation of Al toxicity. Our results demonstrated that Al stress triggered damage to the photosynthetic apparatus, plant growth inhibition, and reactive oxygen species (ROS) production, and boosted lipid peroxidation. However, the addition of HRW at 75% saturation markedly alleviated Al toxicity symptoms through the promotion of root elongation...
June 22, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28647589/mannose-conjugated-layered-double-hydroxide-nanocomposite-for-targeted-sirna-delivery-to-enhanced-cancer-therapy
#9
Li Li, Run Zhang, Wenyi Gu, Zhi Ping Xu
Sheet-like layered double hydroxide nanoparticles (LDH NPs) have showed great potentials in biomedical applications such as nanocarriers for drug and gene delivery, biosensors and imaging agents. However, target delivery of drugs and genes using LDH NPs to the desired tumor sites is a major challenge in cancer therapy. The aim of this study is to develop a functional LDH-based nanocomposite for target delivery of siRNA to cancer cells. Mannose as a targeting moiety was firstly conjugated onto SiO2-coated LDH nanocomposite...
June 21, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28647533/transport-properties-and-regulatory-roles-of-nitrogen-in-arbuscular-mycorrhizal-symbiosis
#10
REVIEW
Aiqun Chen, Mian Gu, Shuangshuang Wang, Jiadong Chen, Guohua Xu
Many terrestrial plants can form root symbiosis with beneficial microorganisms for enhancing uptake of mineral nutrients or increasing fitness to adverse environmental challenges. Arbuscular mycorrhizal (AM) symbiosis that is formed by AM fungi and the roots of vascular flowering plants is the most widespread mutualistic associations in nature. As a typical endosymbiosis, AM interactions involves the differentiation of both symbionts to create novel symbiotic interfaces within the root cells, and requires a continuous nutrient exchange between the two partners...
June 21, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28647350/antitumor-activity-of-resveratrol-is-independent-of-cu-ii-complex-formation-in-mcf-7-cell-line
#11
Priscylla Andrade Volkart, Rodrigo Benedetti Gassen, Bettina Mühlen Nogueira, Bárbara Nery Porto, José Eduardo Vargas, André Arigony Souto
Resveratrol (Rsv) is widely reported to possess anticarcinogenic properties in a plethora of cellular and animal models having limited toxicity toward normal cells. In the molecular level, Rsv can act as a suppressive agent for several impaired signaling pathways on cancer cells. However, Fukuhara and Miyata have shown a non-proteic reaction of Rsv, which can act as a prooxidant agent in the presence of copper (Cu), causing cellular oxidative stress accompanied of DNA damage. After this discovery, the complex Rsv-Cu was broadly explored as an antitumor mechanism in multiples tumor cell lines...
June 15, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28647226/inhalation-of-nanoplatelets-theoretical-deposition-simulations
#12
Robert Sturm
Primary objective of the contribution was the theoretical prediction of nanoplatelet deposition in the human respiratory tract. Modeling was founded on the hypothetical inhalation of graphene nanoplatelets (GNP) measuring 0.01 and 0.1μm in thickness and adopting a projected area diameter of 1-30μm. Particle uptake was assumed to take place with inhalation flow rates of 250, 500, 750, and 1000cm(3)s(-1), respectively. For an appropriate description of pulmonary particle behavior, transport of GNP in a stochastic lung structure and deposition formulae based on analytical and numerical studies were presupposed...
June 21, 2017: Zeitschrift Für Medizinische Physik
https://www.readbyqxmd.com/read/28647222/soil-application-of-sewage-sludge-stabilized-with-steelmaking-slag-and-its-effect-on-soil-properties-and-wheat-growth
#13
Eftihia Samara, Theodora Matsi, Athanasios Balidakis
The effect of sewage sludge, stabilized with steelmaking slag, on soil chemical properties and fertility and on wheat (Triticum aestivum L.) growth was evaluated. Dewatered sewage sludge [75% (wet weight basis)] stabilized with steelmaking slag (25%) and three soils with different pH values were used in a pot experiment with winter wheat. The following treatments were applied: (i) sludge addition of 30gkg(-1) (≈ 120Mgha(-1), rate equivalent to the common inorganic N fertilization for wheat, based on sludge's water soluble NO3-N), (ii) sludge addition of 10gkg(-1) (≈ 40Mgha(-1), rate equivalent to the common inorganic N fertilization for wheat, based on sludge's Kjeldahl-N), (iii) addition of the common inorganic N fertilization for wheat (120kgNha(-1)) as NH4NO3, (iv) control (no fertilizer, no sludge)...
June 21, 2017: Waste Management
https://www.readbyqxmd.com/read/28647169/the-number-of-injected-same-day-preschool-vaccines-relates-to-preadolescent-needle-fear-and-hpv-uptake
#14
Amy L Baxter, Lindsey L Cohen, Mark Burton, Anaam Mohammed, M Louise Lawson
PURPOSE: Fear of needles develops at approximately five years of age, and decreases compliance with healthcare. We sought to examine the relationship of preschool vaccine history, parent and preadolescent needle fear, and subsequent compliance with optional vaccines. METHODS: As part of a private practice randomized controlled trial, parents and 10-12year olds rated needle anxiety on a 100mm visual analog scale. This follow-up cohort study compared their needle anxiety to previous vaccination records, including number of vaccinations between ages four and six years (total and same-day maximum), and subsequent initiation of the HPV vaccine through age 13...
June 20, 2017: Vaccine
https://www.readbyqxmd.com/read/28647161/dot-c-a-cluster-randomised-feasibility-trial-evaluating-directly-observed-anti-hcv-therapy-in-a-population-receiving-opioid-substitute-therapy-from-community-pharmacy
#15
Andrew Radley, Jan Tait, John F Dillon
BACKGROUND: Direct-acting antiviral therapy (DAAs) for hepatitis C infection (HCV) have a much smaller burden of treatment than interferon-based regimes, require less monitoring and are very effective. New pathways are required to increase access to treatment amongst people prescribed opioid substitution therapy (OST). METHODS: An exploratory cluster randomised controlled trial with mixed methods evaluation was undertaken to compare the uptake of dried blood spot testing (DBST) and treatment of people with genotype 1 HCV infection in a conventional service pathway versus a pharmacist-led pathway in a population receiving OST...
June 21, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28646888/utilization-of-hiv-testing-services-among-pregnant-mothers-in-low-income-primary-care-settings-in-northern-ethiopia-a-cross-sectional-study
#16
Yihun Mulugeta Alemu, Fentie Ambaw, Annelies Wilder-Smith
BACKGROUND: HIV testing of women in child bearing age is an entry point for preventing mother-to-child transmission of HIV (MTCT). This study aims to identify the proportion of women tested for HIV and to determine factors associated with utilization of HIV testing services among pregnant mothers in primary care settings in northern Ethiopia. METHODS: A cross sectional study was conducted in 416 pregnant women from four primary care centers between October 2, 2012 and May 31, 2013 in East Gojjam, Ethiopia...
June 24, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28646796/organic-matter-drives-high-interannual-variability-in-methylmercury-concentrations-in-a-subarctic-coastal-sea
#17
A L Soerensen, A T Schartup, A Skrobonja, E Björn
Levels of neurotoxic methylmercury (MeHg) in phytoplankton are strongly associated with water MeHg concentrations. Because uptake by phytoplankton is the first and largest step of bioaccumulation in aquatic food webs many studies have investigated factors driving seasonal changes in water MeHg concentrations. Organic matter (OM) is widely accepted as an important driver of MeHg production and uptake by phytoplankton but is also known for strong interannual variability in concentration and composition within systems...
June 21, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28646785/higher-cardio-respiratory-fitness-is-associated-with-increased-mental-and-physical-quality-of-life-in-people-with-bipolar-disorder-a-controlled-pilot-study
#18
Davy Vancampfort, Noemi Hagemann, Sabine Wyckaert, Simon Rosenbaum, Brendon Stubbs, Joseph Firth, Felipe B Schuch, Michel Probst, Pascal Sienaert
The aim of this study was to investigate whether cardiorespiratory fitness among outpatients with bipolar disorder is associated with health related quality of life (HRQL) and explore differences versus healthy controls. Outpatients with bipolar disorder and healthy controls matched for age, sex and body mass index completed the 36-item Short Form Health Survey, the Positive-and-Negative-Affect-Schedule (PANAS), a maximal cardiorespiratory fitness test, and wore a Sensewear Armband to measure physical activity and sedentary behavior for eight days...
June 19, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28646756/protein-functionalization-of-zno-nanostructure-exhibits-selective-and-enhanced-toxicity-to-breast-cancer-cells-through-oxidative-stress-based-cell-death-mechanism
#19
Sailendra Mahanta, S Prathap, Deependra Kumar Ban, Subhankar Paul
Zinc oxide nanostructure (ZnONS) was chemically synthesized and functionalized (FZnONSBLA) with a small protein bovine α-lactalbumin (BLA) by chemical cross-linking methods. Both nano-structures were characterized using various techniques such as electron microscopy, dynamic light scattering (DLS), UV-Vis spectroscopy, FT-IR, photo-luminescence and X-ray diffraction. Electron microscopy and DLS analysis revealed their (ZnONS and FZnONSBLA) average size of 200nm and 450nm, respectively. When cytotoxicity of both the nanostructures were assessed in breast cancer cells MCF-7 and MDAMB231 by MTT assay and PI/Annexin V staining (FACS), FZnONSBLA demonstrated higher cell death than ZnONS primarily due to generation of intracellular reactive oxygen species (ROS)...
June 15, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28646738/the-effect-of-soil-properties-on-the-toxicity-and-bioaccumulation-of-ag-nanoparticles-and-ag-ions-in-enchytraeus-crypticus
#20
Emel Topuz, Cornelis A M van Gestel
Standard natural Lufa soils (2.2, 2.3 and 5M) with different organic carbon contents (0.67-1.61%) and pHCaCl2 (5.5-7.3) were spiked with ionic Ag (AgNO3) and polyvinyl pyrrolidone (AgNP-PVP) and citrate (AgNP-Cit) coated Ag nanoparticles (NPs). Enchytraeus crypticus were exposed for 21 days to assess effects on survival and reproduction. Soil, pore water and animals were analyzed for Ag. AgNP-Cit had a strong increasing effect on soil pH, leading to high enchytraeid mortality at concentrations higher than 60-100mg Ag/kg dry soil which made it impossible to determine the influence of soil properties on its toxicity...
June 21, 2017: Ecotoxicology and Environmental Safety
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