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https://www.readbyqxmd.com/read/28545264/reduction-of-dose-to-the-contralateral-breast-by-superflab-use-in-radiation-therapy-for-mammary-carcinomas
#1
Akanksha Solanki, Athiyaman M, Hemalatha A, H S Kumar
Background: Radiation therapy is an integral part of multimodality treatment for locally advanced carcinoma of breast. Radiation doses to nearby critical normal structures like heart, lungs, and contralateral breast (CLB increases risk of second malignancies. In this study, we measured doses to the CLB and studied effects of a 1 cm thickness superflap. Materials and Methods: Fifty post-mastectomy carcinoma breast patients were included in the study.Radiation therapy of 50 Gy was planned in 25 fractions, 5 days a week, using the Eclipse Treatment Planning System version 8...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545191/%C3%A2-mate%C3%A2-intake-hormone-based-risk-factors-and-breast-cancer-a-case-control-study
#2
Alvaro L Ronco, Edison Espinosa, Juan M Calderon, Eduardo Lasalvia- Galante, Alejandro De Rosa, Gustavo Sanchez
Previous reports on the inverse association between ‘mate’ intake (infusion of Ilex Paraguariensis herb) and breast cancer (BC) risk led us to consider two main roles for the infusion: as a substantial antioxidant contributor and as a hormone regulator, particularly through anti-aromatase capacities. Since menstrual-reproductive risk factors for BC reflect women’s estrogenic exposure during the reproductive lifespan, and considering that ‘mate’ intake exerts putative stronger protection among high antioxidant contributors, we attempted to analyze interactions among the infusion, hormon-linked reproductive factors and BC risk, which have hitherto remained unexplored...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545188/clinacanthus-nutans-hexane-extracts-induce-apoptosis-through-a-caspase-dependent-pathway-in-human-cancer-cell-lines
#3
Pei Ying Ng, Soi Moi Chye, Chew Hee Ng, Rhun Yian Koh, Yee Lian Tiong, Liew Phing Pui, Yong Hui Tan, Crystale Siew Ying Lim, Khuen Yen Ng
Background: Clinacanthus nutans (C.nutans) is a plant consumed as a cancer treatment in tropical Asia. Despite the availability of numerous anecdotal reports, evaluation of active anticancer effects has remained elusive. Therefore we here examined antiproliferative, reactive oxygen species (ROS)-inducing and apoptosis mechanisms of whole plant extracts in different cancer cell lines. Methods: Antiproliferative actions of five solvent extracts (hexane, chloroform, ethyl acetate, methanol and water) of C.nutans were tested on non-small cell lung cancer (A549), nasopharygeal cancer (CNE1) and liver cancer (HepG2) cells using MTT assay...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545183/therapeutic-potential-of-novel-nano-based-curcumin-compounds-in-vitro-and-in-vivo
#4
Homa Mollaei, Esmaeil Babaei
Despite recent advances in cancer medication, malignant tumors continue to be the second leading cause of death worldwide. Furthermore, introducing a therapeutic compound with low-side effects as well as low-price for consumers is controversial. Recent efforts have been focusing on traditional medicines as a rich source of herbal agents. Curcumin, the major turmeric phytochemical, has been widely assessed as an anti-cancer compound in vitro and in vivo. However, the use of curcumin in cancer treatment has limitations because of its low solubility, poor tissue absorption, rapid metabolism and rapid systemic elimination...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28544957/zebrafish-as-a-visual-and-dynamic-model-to-study-the-transport-of-nanosized-drug-delivery-systems-across-the-biological-barriers
#5
Ye Li, Xiaoqing Miao, Tongkai Chen, Xiang Yi, Ruibing Wang, Haitao Zhao, Simon Ming-Yuen Lee, Xueqing Wang, Ying Zheng
With the wide application of nanotechnology to drug delivery systems, a simple, dynamic and visual in vivo model for high-throughput screening of novel formulations with fluorescence markers across biological barriers is desperately needed. In vitro cell culture models have been widely used, although they are far from a complimentary in vivo system. Mammalian animal models are common predictive models to study transport, but they are costly and time consuming. Zebrafish (Danio rerio), a small vertebrate model, have the potential to be developed as an "intermediate" model for quick evaluations...
May 10, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28544912/parallel-gene-selection-and-dynamic-ensemble-pruning-based-on-affinity-propagation
#6
Jun Meng, Jing Zhang, Yu-Shi Luan, Xin-Yu He, Li-Shuang Li, Yuan-Feng Zhu
Gene selection and sample classification based on gene expression data are important research areas in bioinformatics. Selecting important genes closely related to classification is a challenging task due to high dimensionality and small sample size of microarray data. Extended rough set based on neighborhood has been successfully applied to gene selection, as it can select attributes without redundancy and deal with numerical attributes directly. However, the computation of approximations in rough set is extremely time consuming...
May 17, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28544628/production-of-microbial-biosurfactants-status-quo-of-rhamnolipid-and-surfactin-towards-large-scale-production
#7
Marius Henkel, Mareen Geissler, Fabiola Weggenmann, Rudolf Hausmann
Surfactants are an important class of industrial chemicals. Nowadays oleochemical surfactants such as alkyl polyglycosides (APGs) become increasingly important. This trend towards the utilization of renewable resources continues and consumers increasingly demand for environmentally friendly products. Consequently, research in microbial surfactants has drastically increased in the last years. While for mannosylerythritol lipids and sophorolipids established industrial processes exist, an implementation of other microbially derived surfactants has not yet been achieved...
May 23, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28544598/from-extended-nano-fluidics-to-an-autonomous-solar-light-driven-micro-fuel-cell-device
#8
Yuriy Pihosh, Jin Uemura, Ivan Turkevych, Kazuma Mawatari, Yutaka Kazoe, Adelina Smirnova, Takehiko Kitamori
Autonomous micro/nano mechanical, chemical and biomedical sensors require persistent power sources scaled to their size. Realization of autonomous micro-power sources is a challenging task, as it requires combination of wireless energy supply, conversion, storage and delivery to the sensor. In this work, we realized solar light driven power source that consists of a micro fuel cell (μFC) and a photocatalytic micro fuel generator (μFG) integrated on a single microfluidic chip. The μFG produces hydrogen by photocatalytic water splitting under solar light...
May 23, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28544427/advanced-consumable-free-morphological-analysis-of-intact-red-blood-cells-by-a-compact-scanning-flow-cytometer
#9
K V Gilev, E S Yastrebova, D I Strokotov, M A Yurkin, N A Karmadonova, A V Chernyshev, V V Lomivorotov, V P Maltsev
Whereas modern automated blood cell analyzers measure the volume of individual red blood cells (RBCs), leading to four RBC indices (mean corpuscular volume, MCV; mean corpuscular hemoglobin, MCH; mean corpuscular hemoglobin concentration, MCHC; red cell distribution width, and RDW), the RBC shape has not been assessed by clinical screening tools. We applied the scanning flow cytometer (SFC) for complete characterization of intact RBC morphology in terms of diameter, maximal and minimal thicknesses, volume, surface area, sphericity index, spontaneous curvature, hemoglobin concentration, and content...
May 19, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28544415/inertial-microfluidic-cell-stretcher-imcs-fully-automated-high-throughput-and-near-real-time-cell-mechanotyping
#10
Yanxiang Deng, Steven P Davis, Fan Yang, Kevin S Paulsen, Maneesh Kumar, Rebecca Sinnott DeVaux, Xianhui Wang, Douglas S Conklin, Assad Oberai, Jason I Herschkowitz, Aram J Chung
Mechanical biomarkers associated with cytoskeletal structures have been reported as powerful label-free cell state identifiers. In order to measure cell mechanical properties, traditional biophysical (e.g., atomic force microscopy, micropipette aspiration, optical stretchers) and microfluidic approaches were mainly employed; however, they critically suffer from low-throughput, low-sensitivity, and/or time-consuming and labor-intensive processes, not allowing techniques to be practically used for cell biology research applications...
May 23, 2017: Small
https://www.readbyqxmd.com/read/28544204/receipt-and-use-of-spoken-and-written-over-the-counter-medicine-information-insights-into-australian-and-uk-consumers-experiences
#11
Vivien Tong, David K Raynor, Parisa Aslani
OBJECTIVES: To explore Australian and UK consumers' receipt and use of spoken and written medicine information and examine the role of leaflets for consumers of over-the-counter (OTC) medicines. METHODS: Semistructured interviews were conducted with 37 Australian and 39 UK consumers to explore information received with their most recent OTC medicine purchase, and how information was used at different times post-purchase. Interviews were audio-recorded, transcribed verbatim and thematically analysed...
May 24, 2017: International Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28544175/prevalence-and-potential-factors-associated-with-overweight-and-obesity-status-in-adults-with-intellectual-developmental-disorders
#12
REVIEW
Sobhana Ranjan, Jennifer A Nasser, Kathleen Fisher
BACKGROUND: The prevalence of being overweight and obese is increasing not just in the general population but also in individuals with intellectual disability (ID). Therefore, a need to identify factors contributing to overweight/obesity arises as this population is escalating. MATERIALS AND METHODS: This narrative review article summarizes pertinent research focusing on prevalence and the potential factors associated with overweight and obesity in adults with intellectual disability during the past decade...
May 24, 2017: Journal of Applied Research in Intellectual Disabilities: JARID
https://www.readbyqxmd.com/read/28544011/changing-trends-in-the-use-of-kratom-mitragyna-speciosa-in-southeast-asia
#13
Darshan Singh, Suresh Narayanan, Balasingam Vicknasingam, Ornella Corazza, Rita Santacroce, Andres Roman-Urrestarazu
OBJECTIVE: Kratom (Mitragyna speciosa. Korth) is an indigenous medicinal plant of Southeast Asia. This review paper aims to describe the trends of kratom use in Southeast Asia. DESIGN: A literature review search was conducted through ScienceDirect, Scopus, ProMed and Google Scholar. Twenty-five articles illustrating kratom use in humans in Southeast Asia were reviewed. RESULTS: Kratom has long been used by rural populations in Southeast Asia as a remedy for common ailments, to fight fatigue from hard manual work, as a drink during social interaction among men, and in village religious functions...
May 24, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28543988/absolute-minimal-sampling-of-homonuclear-2d-nmr-tocsy-spectra-for-high-throughput-applications-of-complex-mixtures
#14
Alexandar Hansen, Da-Wei Li, Cheng Wang, Rafael Bruschweiler
Modern applications of 2D NMR spectroscopy to diagnostic screening, metabolomics, quality control, and other high-throughput applications are often limited by the time-consuming sampling requirements along the indirect time domain t1. 2D Total Correlation Spectroscopy (TOCSY) provides unique spin-connectivity information for the analysis of a large number of compounds in complex mixtures, but standard methods typically require >100 t1-increments for an accurate spectral reconstruction, rendering these experiments ineffective for high-throughput applications...
May 23, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28543087/death-due-to-complications-of-bowel-obstruction-following-raw-poppy-seed-ingestion
#15
Leah M Schuppener, Robert F Corliss
Eating poppy seeds can cause a positive urine drug screen, but it is unknown whether ingesting large quantities can result in opiate intoxication or toxicity. A 54-year-old woman with intractable vomiting was found unresponsive at home and later pronounced dead. At autopsy, a cast-like large bowel obstruction composed of poppy seeds was identified. Postmortem blood morphine level was < 10 ng/mL. Cause of death was determined to be complications of a bowel obstruction secondary to poppy seed ingestion. Deaths related to eating poppy seeds have not been described in the literature...
May 23, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28542915/effect-of-aqueous-extract-and-anthocyanins-of-calyces-of-hibiscus-sabdariffa-malvaceae-in-rats-with-adenine-induced-chronic-kidney-disease
#16
Badreldin H Ali, Lucie Cahliková, Lubomir Opletal, Turan Karaca, Priyadarsini Manoj, Aishwarya Ramkumar, Yousuf M Al Suleimani, Mohammed Al Za'abi, Abderrahim Nemmar, Lucie Chocholousova-Havlikova, Miroslav Locarek, Tomas Siatka, Gerald Blunden
OBJECTIVES: The aim of this work was to assess the possible beneficial effects of aqueous extracts of Hibiscus sabdariffa L. calyces and anthocyanins isolated therefrom in an adenine-induced chronic kidney disease (CKD) model. METHODS: Rats were orally given, for 28 consecutive days, either adenine alone or together with either aqueous extract of H. sabdariffa calyces (5 and 10%) or anthocyanins (50, 100 and 200 mg/kg of anthocyanin concentrate). For comparative purposes, two groups of rats were given lisinopril (10 mg/kg)...
May 23, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28542901/mechanisms-and-implications-of-a-type-iv-functional-response-for-short-term-intake-rate-of-dry-matter-in-large-mammalian-herbivores
#17
J C Mezzalira, O J F Bonnet, P C de F Carvalho, L Fonseca, C Bremm, C C Mezzalira, E A Laca
1.The functional response (i.e. the relationship between consumers' intake rate and resource density) is central in plant-herbivore interactions. Its shape and the biological processes leading to it have significant implications for both foraging theory and ecology of grazing systems. 2.A type IV functional response (i.e. dome-shaped relationship) of short-term intake rate of dry matter (intake while grazing) has rarely been reported for large herbivores and the conditions that can lead to it are poorly understood...
May 19, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28542896/diverse-responses-of-species-to-landscape-fragmentation-in-a-simple-food-chain
#18
Jinbao Liao, Daniel Bearup, Bernd Blasius
1.Habitat destruction, characterized by habitat loss and fragmentation, is a key driver of species extinction in spatial extended communities. Recently, there has been some progress in the theory of spatial food webs, however to date practically little is known about how habitat configurational fragmentation influences multi-trophic food web dynamics. 2.To explore how habitat fragmentation affects species persistence in food webs, we introduce a modelling framework that describes the site occupancy of species in a tri-trophic system...
May 24, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28542816/identification-of-microorganisms-isolated-from-counterfeit-and-unapproved-decorative-contact-lenses
#19
Adrian D Land, Katie L Penno, Jennifer L Brzezinski
All contact lenses (corrective/noncorrective) are considered Class II or Class III medical devices under the Federal Food, Drug, and Cosmetic Act, which also states that contact lenses can only be obtained with a prescription. The Forensic Chemistry Center of the US Food & Drug Administration has examined over 300 decorative, noncorrective contact lenses obtained without a prescription. Our observations indicate that 60% of the counterfeit lenses and 27% of the unapproved lenses examined were positive for microbial contamination...
May 24, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28542699/direct-to-consumer-medical-testing-in-the-era-of-value-based-care
#20
Kimberly Lovett Rockwell
No abstract text is available yet for this article.
May 25, 2017: JAMA: the Journal of the American Medical Association
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