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https://www.readbyqxmd.com/read/29105597/deoxynivalenol-in-wheat-maize-wheat-flour-and-pasta-surveys-in-hungary-in-2008-2015
#1
Helga Tima, Adrienn Berkics, Zoltán Hannig, András Ittzés, Eleonóra Kecskésné Nagy, Csilla Mohácsi-Farkas, Gabriella Kiskó
Among Fusarium mycotoxins deoxynivalenol (DON) is the most common contaminant in case of cereals and cereal based foods in Hungary. In this study Hungarian wheat (n=305), maize (n=108), wheat flour (n=179), pasta (n=226) samples were analysed (N=818). The samples were collected in 2008-2015 in Hungary. Applied methods of analysis were enzyme-linked immunosorbent assay (ELISA) and liquid-chromatography coupled with a mass spectrometer (LC-MS). Results were compared and evaluated with Hungarian wheather data...
November 6, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29028508/jazz-musicians-reveal-role-of-expectancy-in-human-creativity
#2
Emily Przysinda, Tima Zeng, Kellyn Maves, Cameron Arkin, Psyche Loui
Creativity has been defined as the ability to produce work that is novel, high in quality, and appropriate to an audience. While the nature of the creative process is under debate, many believe that creativity relies on real-time combinations of known neural and cognitive processes. One useful model of creativity comes from musical improvisation, such as in jazz, in which musicians spontaneously create novel sound sequences. Here we use jazz musicians to test the hypothesis that individuals with training in musical improvisation, which entails creative generation of musical ideas, might process expectancy differently...
December 2017: Brain and Cognition
https://www.readbyqxmd.com/read/28993748/white-matter-correlates-of-musical-anhedonia-implications-for-evolution-of-music
#3
Psyche Loui, Sean Patterson, Matthew E Sachs, Yvonne Leung, Tima Zeng, Emily Przysinda
Recent theoretical advances in the evolution of music posit that affective communication is an evolutionary function of music through which the mind and brain are transformed. A rigorous test of this view should entail examining the neuroanatomical mechanisms for affective communication of music, specifically by comparing individual differences in the general population with a special population who lacks specific affective responses to music. Here we compare white matter connectivity in BW, a case with severe musical anhedonia, with a large sample of control subjects who exhibit normal variability in reward sensitivity to music...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28989000/use-of-18-f-fdg-pet-ct-imaging-to-determine-internal-mammary-lymph-node-location-for-radiation-therapy-treatment-planning-in-breast-cancer-patients
#4
Tima Davidson, Merav Ben-David, Shira Galper, Tess Haskin, Megan Howes, Roland Scaife, Nayroz Kanana, Uri Amit, Noam Weizman, Bar Chikman, Elinor Goshen, Simona Ben-Haim, Zvi Symon, Jeffrey Goldstein
PURPOSE: Adjuvant internal mammary lymph node (IMN) radiation is often delivered with 2-dimensional techniques that use anatomic landmarks and predetermined depths for field placement and dose specification. In contrast, 3-dimensional planning uses the internal mammary vessels (IMVs) to localize the IMNs for planning. Our purpose was to determine if localization of the involved IMN (i-IMN) by (18)F-labeled fluorodeoxyglucose positron emission tomography-computed tomography ((18)F-FDG PET-CT) offers opportunities to improve treatment...
November 5, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28750592/fdg-pet-ct-evaluation-in-neurolymphomatosis-imaging-characteristics-and-clinical-outcomes
#5
Tima Davidson, Meirav Kedmi, Abraham Avigdor, Orna Komisar, Bar Chikman, Merav Lidar, Elinor Goshen, S Tzila Zwas, Simona Ben-Haim
Neurolymphomatosis (NL) often represents unidentified non-Hodgkin lymphoma relapses. Considering its severity, early detection and treatment are crucial. We outline one hospital's (18)F-FDG-PET-CT imaging findings of NL, along with the patients' clinical characteristics. Clinical records and imaging findings of 19 NL patients, PET-CT diagnosed, were retrospectively reviewed. Patient data, FDG-PET-CT findings and the presence of coexisting diseases, especially CNS involvement, were documented. Available MRI and clinical data verified the findings...
July 28, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28712627/testing-the-external-validity-of-a-discrete-choice-experiment-method-an-application-to-latent-tuberculosis-infection-treatment
#6
Tima Mohammadi, Nick Bansback, Fawziah Marra, Amir Khakban, Jonathon R Campbell, J Mark FitzGerald, Larry D Lynd, Carlo A Marra
OBJECTIVES: To explore the external validity and predictive power of stated preferences obtained from a discrete choice experiment (DCE) by comparing the predicted behavior of respondents to their actual choices at an individual level. METHODS: A DCE was performed in patients before being offered treatment for latent tuberculosis infection. A mixed logit model was estimated using hierarchical Bayes. The individual-specific preference coefficients were used to calculate the expected probability of choosing the treatment by each patient...
July 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28707580/doxorubicin-loaded-micelle-targeting-muc1-a-potential-therapeutics-for-triple-negative-breast-cancer-treatment
#7
Supang Khondee, Chuda Chittasupho, Singkome Tima, Songyot Anuchapreeda
BACKGROUND: Triple negative breast cancer (TNBC) is an aggressive disease associated with poor prognosis and lack of validated targeted therapy. Thus chemotherapy is a main adjuvant treatment for TNBC patients, but it associates with severe toxicities. For a better treatment outcome, we developed an alternative therapeutic, doxorubicin (DOX)-loaded micelles targeting human mucin1 protein (MUC1) that is less toxic, more effective and targeted to TNBC. METHODS: From many candidate peptides, QNDRHPR-GGGSK (QND) and HSQLPQV-GGGSK (HSQ), were identified computationally, synthesized and purified using solid phase peptide synthesis and semi-preparative HPLC...
July 12, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/28584146/targeted-metabolomics-analysis-identifies-intestinal-microbiota-derived-urinary-biomarkers-of-colonization-resistance-in-antibiotic-treated-mice
#8
Mark E Obrenovich, MaryAnn Tima, Alex Polinkovsky, Renliang Zhang, Steven N Emancipator, Curtis J Donskey
Antibiotics excreted into the intestinal tract may disrupt the microbiota that provide colonization resistance against enteric pathogens and alter normal metabolic functions of the microbiota. Many of the bacterial metabolites produced in the intestinal tract are absorbed systemically and excreted in urine. Here, we used a mouse model to test the hypothesis that alterations in levels of targeted bacterial metabolites in urine specimens could provide useful biomarkers indicating disrupted or intact colonization resistance...
August 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28573218/effect-of-thai-saraphi-flower-extracts-on-wt1-and-bcr-abl-protein-expression-in-leukemic-cell-lines
#9
Rungkarn Sangkaruk, Methee Rungrojsakul, Singkome Tima, Songyot Anuchapreeda
BACKGROUND: Saraphi (Mammea siamensis) is a Thai traditional herb. In this study, the cytotoxic effects of crude ethanolic and fractional extracts including hexane, ethyl acetate, and methanol fractions from M. siamensis flowers were investigated in order to determine their effect on WT1 expression in Molt4 and K562 cells and Bcr/Abl expression in K562 cells. MATERIALS AND METHODS: The flowers of M. siamensis were extracted using ethanol. The ethanol flower extract was further fractionated with hexane, ethyl acetate, and methanol...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28368101/a-rapid-analysis-of-variations-in-conformational-behavior-during-dihydrofolate-reductase-catalysis
#10
Robert L Hughes, Luke A Johnson, Enas M Behiry, E Joel Loveridge, Rudolf K Allemann
Protein flexibility is central to enzyme catalysis, yet it remains challenging both to predict conformational behavior on the basis of analysis of amino acid sequence and protein structure and to provide the necessary breadth of experimental support to any such predictions. Here a generic and rapid procedure for identifying conformational changes during dihydrofolate reductase (DHFR) catalysis is described. Using DHFR from Escherichia coli (EcDHFR), selective side-chain (13)C labeling of methionine and tryptophan residues is shown to be sufficient to detect the closed-to-occluded conformational transition that follows the chemical step in the catalytic cycle, with clear chemical shift perturbations found for both methionine methyl and tryptophan indole groups...
April 18, 2017: Biochemistry
https://www.readbyqxmd.com/read/28089916/stable-curcumin-loaded-polymeric-micellar-formulation-for-enhancing-cellular-uptake-and-cytotoxicity-to-flt3-overexpressing-eol-1-leukemic-cells
#11
Singkome Tima, Songyot Anuchapreeda, Chadarat Ampasavate, Cory Berkland, Siriporn Okonogi
The present study aims to develop a stable polymeric micellar formulation of curcumin (CM) with improved solubility and stability, and that is suitable for clinical applications in leukemia patients. CM-loaded polymeric micelles (CM-micelles) were prepared using poloxamers. The chemical structure of the polymers influenced micellar properties. The best formulation of CM-micelles, namely CM-P407, was obtained from poloxamer 407 at drug to polymer ratio of 1:30 and rehydrated with phosphate buffer solution pH 7...
May 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28061904/classifying-high-risk-versus-very-high-risk-prostate-cancer-is-it-relevant-to-outcomes-of-conformal-radiotherapy-and-androgen-deprivation
#12
Akram Saad, Jeffrey Goldstein, Yaacov R Lawrence, Benjamin Spieler, Raya Leibowitz-Amit, Raanan Berger, Tima Davidson, Damien Urban, Lev Tsang, Dror Alezra, Ilana Weiss, Zvi Symon
OBJECTIVE: To evaluate outcomes in prostate cancer patients classified as high-risk (HR) or very high-risk (VHR) who were treated with conformal radiation therapy (CRT) and androgen deprivation therapy (ADT). METHODS: Between 11/2001 and 3/2012, 203 patients with HR disease received CRT to the prostate (78-82 Gy) and pelvic lymph nodes (46-50 Gy) with ADT (6 m-2 years). Median follow-up was 50 months (12 m-142 m). Biochemical failure was defined according to Phoenix definition...
January 6, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28036254/targeted-delivery-of-nano-ptx-to-the-brain-tumor-associated-macrophages
#13
Lei Zou, Youhua Tao, Gregory Payne, Linh Do, Tima Thomas, Juan Rodriguez, Huanyu Dou
Nanoparticles containing mixed lipid monolayer shell, biodegradable polymer core and rabies virus glycoprotein (RVG) peptide as brain targeting ligand, were developed for brain targeted delivery of paclitaxel (PTX) to treat malignant glioma. RVG conjugated PTX loaded NPs (RVG-PTX-NPs) had the desirable size (~140 nm), narrow size distribution and spherical shape. RVG-PTX-NPs showed poor uptake by neurons and selective targeting to the brain tumor associated macrophages (TAMs) with controlled release and tumor specific toxicity...
January 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28010810/conventional-and-novel-body-temperature-measurement-during-rest-and-exercise-induced-hyperthermia
#14
COMPARATIVE STUDY
Colin Towey, Chris Easton, Robert Simpson, Charles Pedlar
Despite technological advances in thermal sensory equipment, few core temperature (TCORE) measurement techniques have met the established validity criteria in exercise science. Additionally, there is debate as to what method serves as the most practically viable, yet upholds the proposed measurement accuracy. This study assessed the accuracy of current and novel TCORE measurement techniques in comparison to rectal temperature (TREC) as a reference standard. Fifteen well-trained subjects (11 male, 4 female) completed 60min of exercise at an intensity equating to the lactate threshold; measured via a discontinuous exercise test...
January 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/27917595/societal-preferences-in-the-treatment-of-pediatric-medulloblastoma-balancing-risk-of-death-and-quality-of-life
#15
COMPARATIVE STUDY
Amir Khakban, Tima Mohammadi, Larry D Lynd, Don Mabbott, Eric Bouffet, Louise Gastonguay, Zafar Zafari, David Malkin, Michael Taylor, Carlo A Marra
PURPOSE: Medulloblastoma is the most prevalent childhood brain cancer. Children with medulloblastoma typically receive a combination of surgery, radiation, and chemotherapy. The survival rate is high but survivors often have sequelae from radiotherapy of the entire developing brain and spinal cord. Ongoing genetic studies have suggested that decreasing the dose of radiation might be possible among children with favorable molecular variants; however, this may result in an increased disease recurrence...
June 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27879591/comparison-of-endothelial-differentiation-capacities-of-human-and-rat-adipose-derived-stem-cells
#16
COMPARATIVE STUDY
Hakan Orbay, Kamaljit Devi, Priscilla A Williams, Tima Dehghani, Eduardo A Silva, David E Sahar
BACKGROUND: The authors compared the endothelial differentiation capacities of human and rat adipose-derived stem cells to determine whether human adipose-derived stem cells can be a source of endothelial cells clinically. METHODS: Human and rat adipose-derived stem cells were harvested and characterized with flow cytometry and trilineage differentiation. Cells from passages III through V were fed with endothelial cell differentiation medium for up to 3 weeks. Cells were harvested after 1, 2, and 3 weeks, and endothelial differentiation was evaluated with quantitative reverse-transcriptase polymerase chain reaction, flow cytometry, and angiogenic sprouting assays...
December 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27855374/inflammatory-properties-and-adjuvant-potential-of-synthetic-glycolipids-homologous-to-mycolate-esters-of-the-cell-wall-of-mycobacterium-tuberculosis
#17
Hermann Giresse Tima, Juma''a Raheem Al Dulayymi, Olivier Denis, Pauline Lehebel, Klarah Sherzad Baols, Mohsin Omar Mohammed, Laurent L'Homme, Mohaned Mohammed Sahb, Georges Potemberg, Sylvie Legrand, Roland Lang, Rudi Beyaert, Jacques Piette, Mark Stephen Baird, Kris Huygen, Marta Romano
The cell wall of mycobacteria is characterised by glycolipids composed of different classes of mycolic acids (MAs; alpha-, keto-, and methoxy-) and sugars (trehalose, glucose, and arabinose). Studies using mutant Mtb strains have shown that the structure of MAs influences the inflammatory potential of these glycolipids. As mutant Mtb strains possess a complex mixture of glycolipids, we analysed the inflammatory potential of single classes of mycolate esters of the Mtb cell wall using 38 different synthetic analogues...
2017: Journal of Innate Immunity
https://www.readbyqxmd.com/read/27820686/letter-to-the-editor
#18
Marina de Deus Moura de Lima, Heloísa Clara Santos Sousa, Lúcia de F Tima Almeida de Deus Moura
No abstract text is available yet for this article.
November 2016: Operative Dentistry
https://www.readbyqxmd.com/read/27768632/long-term-imaging-of-the-lungs-after-sealant-bronchoscopic-lung-volume-reduction
#19
Sivan Lieberman, Tiberiu R Shulimzon, Tima Davidson, Edith M Marom
PURPOSE: The aim of the study was to assess the pulmonary temporal changes after bronchoscopic lung volume reduction (BLVR) using sealants for treatment of emphysema. MATERIALS AND METHODS: We retrospectively assessed all chest computerized tomography (CT) and F-18 fluorodeoxyglucose (FDG) positron emission tomography CT scans of patients treated at our institution with BLVR. RESULTS: Eleven patients were treated with sealants: 4 with biological sealants and 7 with synthetic sealants...
November 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27751588/development-and-characterization-of-flt3-specific-curcumin-loaded-polymeric-micelles-as-a-drug-delivery-system-for-treating-flt3-overexpressing-leukemic-cells
#20
Singkome Tima, Siriporn Okonogi, Chadarat Ampasavate, Chad Pickens, Cory Berkland, Songyot Anuchapreeda
This study aimed at developing a curcumin (CM) nanoparticle targeted to Feline McDonough Sarcoma (FMS)-like tyrosine kinase 3 (FLT3) protein on the surface of leukemic cells and at evaluating their properties, specificity, cytotoxicity, and inhibitory effect on FLT3 protein level in FLT3-overexpressing leukemic cells, EoL-1, and MV-4-11 cells. FLT3-specific peptides were conjugated onto modified poloxamer 407 using the copper-catalyzed azide-alkyne cycloaddition reaction. The thin film hydration method was performed for FLT3-specific CM-loaded polymeric micelles (FLT3-CM-micelles) preparation...
December 2016: Journal of Pharmaceutical Sciences
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