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https://www.readbyqxmd.com/read/28817075/discrimination-of-transgenic-maize-kernel-using-nir-hyperspectral-imaging-and-multivariate-data-analysis
#1
Xuping Feng, Yiying Zhao, Chu Zhang, Peng Cheng, Yong He
There are possible environmental risks related to gene flow from genetically engineered organisms. It is important to find accurate, fast, and inexpensive methods to detect and monitor the presence of genetically modified (GM) organisms in crops and derived crop products. In the present study, GM maize kernels containing both cry1Ab/cry2Aj-G10evo proteins and their non-GM parents were examined by using hyperspectral imaging in the near-infrared (NIR) range (874.41-1733.91 nm) combined with chemometric data analysis...
August 17, 2017: Sensors
https://www.readbyqxmd.com/read/28815346/unilateral-cancer-associated-retinopathy-diagnosis-serology-and-treatment
#2
Dimitri Roels, Shinji Ueno, Cornelia D Talianu, Dafina Draganova, Mineo Kondo, Bart P Leroy
PURPOSE: To report a case of unilateral cancer-associated retinopathy (CAR) with clinical, serological and electroretinogram (ERG) normalization after aggressive cancer treatment combined with steroids and rituximab. METHODS: Work-up included extensive clinical and electrophysiological testing. Also, serological work-up for antiretinal antibodies and oncological screening was organized. RESULTS: A 45-year-old female presented with progressive photopsias, photophobia and relative central scotoma in the right eye since 6 weeks prior...
August 16, 2017: Documenta Ophthalmologica. Advances in Ophthalmology
https://www.readbyqxmd.com/read/28814381/impact-of-a-tutored-theoretical-practical-training-to-develop-undergraduate-students-skills-for-the-detection-of-caries-lesions-study-protocol-for-a-multicenter-controlled-randomized-study
#3
Mariana Minatel Braga, Tathiane Larissa Lenzi, Fernanda Rosche Ferreira, Fausto Medeiros Mendes, Daniela Prócida Raggio, José Carlos Imparato, Marcelo Bonecker, Ana Carolina Magalhães, Linda Wang, Daniela Rios, Juliano Pelim Pessan, Cristiane Duque, Maria Augusta Bessa Rebelo, Ary Oliveira Alves Filho, Marina De Deus Moura Lima, Marcoeli Silva Moura, Alessandro Diogo De Carli, Mariane Emi Sanabe, Maximiliano Sergio Cenci, Elenara Ferreira Oliveira, Marcos Britto Correa, Rachel Oliveira Rocha, Julio Eduardo Zenkner, Pedroza Uribe Murisí, Stefania Martignon, Juan Sebastian Lara, Fatima Gabriela Aquino, Alfredo Carrillo, Chun Hung Chu, Chris Deery, David Ricketts, Paulo Melo, José Leopoldo Ferreira Antunes, Kim Rud Ekstrand
BACKGROUND: Tutored laboratorial activities could be a manner of improving the competency development of students. However, its impact over conventional theoretical classes has not yet been tested. Additionally, different university contexts could influence this issue and should be explored. OBJECTIVE: To assess the impact of a tutored theoretical-practical training for teaching undergraduate students to detect caries lesions as compared with theoretical teaching activities...
August 16, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28814126/detection-of-ingested-nitromethane-and-reliable-creatinine-assessment-using-multiple-common-analytical-methods
#4
Christine M Murphy, John J Devlin, Michael C Beuhler, Paul Cheifetz, Susan Maynard, Michael D Schwartz, Sherri Kacinko
AIM: Nitromethane, found in fuels used for short distance racing, model cars, and model airplanes, produces a falsely elevated serum creatinine with standard creatinine analysis via the Jaffé method. Erroneous creatinine elevation often triggers extensive testing, leads to inaccurate diagnoses, and delayed or inappropriate medical interventions. Multiple reports in the literature identify "enzymatic assays" as an alternative method to detect the true value of creatinine, but this ambiguity does not help providers translate what type of enzymatic assay testing can be done in real time to determine if there is indeed false elevation...
August 17, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28813463/genetic-diversity-of-bemisia-tabaci-species-colonizing-cassava-in-central-african-republic-characterized-by-analysis-of-cytochrome-c-oxidase-subunit-i
#5
Brice Kette Tocko-Marabena, Semballa Silla, Christophe Simiand, Innocent Zinga, James Legg, Bernard Reynaud, Helene Delatte
After 2007, upsurges of whiteflies on cassava plants and high incidences of cassava diseases were observed in Central African Republic. This recent upsurge in the abundance of Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) was directly linked to serious damage to cassava crops resulting from spread of whitefly-borne cassava mosaic geminiviruses (CMGs). There is currently very little information describing whitefly populations on cassava and associated crops in Central African Republic. The current study aimed to address this gap, and to determine whether the increasing damage associated with B...
2017: PloS One
https://www.readbyqxmd.com/read/28813042/the-carotenoid-pathway-what-is-important-for-excitation-quenching-in-plant-antenna-complexes
#6
Kieran F Fox, Vytautas Balevičius, Jevgenij Chmeliov, Leonas Valkunas, Alexander V Ruban, Christopher D P Duffy
Plant light-harvesting is regulated by the Non-Photochemical Quenching (NPQ) mechanism involving the reversible formation of excitation quenching sites in the Photosystem II (PSII) antenna in response to high light. While the major antenna complex, LHCII, is known to be a site of NPQ, the precise mechanism of excitation quenching is not clearly understood. A preliminary model of the quenched crystal structure of LHCII implied that quenching arises from slow energy capture by Car pigments. It predicted a thoroughly quenched system but offered little insight into the defining aspects of this quenching...
August 16, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28812568/gene-expression-plasticity-as-a-mechanism-of-coral-adaptation-to-a-variable-environment
#7
Carly D Kenkel, Mikhail V Matz
Local adaptation is ubiquitous, but the molecular mechanisms that give rise to this ecological phenomenon remain largely unknown. A year-long reciprocal transplant of mustard hill coral (Porites astreoides) between a highly environmentally variable inshore habitat and a more stable offshore habitat demonstrated that populations exhibit phenotypic signatures that are consistent with local adaptation. We characterized the genomic basis of this adaptation in both coral hosts and their intracellular symbionts (Symbiodinium sp...
November 7, 2016: Nature ecology & evolution
https://www.readbyqxmd.com/read/28811130/comparative-study-on-stabilizing-ability-of-food-protein-non-ionic-surfactant-and-anionic-surfactant-on-bcs-type-ii-drug-carvedilol-loaded-nanosuspension-physicochemical-and-pharmacokinetic-investigation
#8
Tianjiao Geng, Parikshit Banerjee, Zhangdi Lu, Abdelmoumin Zoghbi, Tiantian Li, Bo Wang
Carvedilol (CAR) in its pure state has low aqueous solubility and extremely poor bioavailability which largely limit its clinical application. The aim of the study is to improve the dissolution rate and the bioavailability of CAR via preparing nanosuspensions with different stabilizers. Antisolvent precipitation-ultrasonication technique was used here. Attempts have been made to use food protein- Whey protein isolate (WPI) as a stabilizer in CAR loaded nanosuspension and also to compare its stabilizing potential with conventional nanosuspension stabilizers such as non-ionic linear copolymer-poloxamer 188 (PLX188) and anionic surfactant-sodium dodecyl sulfate (SDS)...
August 12, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28810867/new-inducible-promoter-for-gene-expression-and-synthetic-biology-in-yarrowia-lipolytica
#9
Marion Trassaert, Marie Vandermies, Fréderic Carly, Olivia Denies, Stéphane Thomas, Patrick Fickers, Jean-Marc Nicaud
BACKGROUND: The oleaginous yeast Yarrowia lipolytica is increasingly used as alternative cell factory for the production of recombinant proteins. At present, several promoters with different strengths have been developed based either on the constitutive pTEF promoter or on oleic acid inducible promoters such as pPOX2 and pLIP2. Although these promoters are highly efficient, there is still a lack of versatile inducible promoters for gene expression in Y. lipolytica. RESULTS: We have isolated and characterized the promoter of the EYK1 gene coding for an erythrulose kinase...
August 15, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28810809/optimization-of-human-nk-cell-manufacturing-fully-automated-separation-improved-i-ex-vivo-i-expansion-using-il-21-with-autologous-feeder-cells-and-generation-of-anti-cd123-car-expressing-effector-cells
#10
Stephan Klöß, Olaf Oberschmidt, Michael Morgan, Julia Dahlke, Lubomir Arseniev, Volker Huppert, Markus Granzin, Tanja Gardlowski, Nadine Matthies, Stefanie Soltenborn, Axel Schambach, Ulrike Koehl
BACKGROUND AND AIMS: The administration of ex-vivo expanded Natural killer (NK) cells as potential antitumor effector cells appears to be suitable for effector cell-based immunotherapies in high-risk cancer patients. However, the GMP-conform manufacturing of clinical-grade NK cells at sufficiently high numbers represent a great challenge. Therefore, we improved and optimized previous expansion protocols for those effector cells through the use of newly developed culture medium, IL-21 and autologous feeder cells...
August 16, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28810803/driving-cars-on-the-highway-to-solid-cancer-some-considerations-on-the-adoptive-therapy-with-car-t-cells
#11
Hinrich Abken
Adoptive therapy with chimeric antigen receptor (CAR) redirected T cells achieved lasting remissions in hematologic malignancies even in terminal stages of the disease; exploring CAR T cell therapy in the treatment of solid tumors has just begun, balancing efficacy versus toxicity in early phase trials. In contrast to leukemia/lymphoma, solid tumors display a tremendously variable biology demanding different strategies to make a T cell attack successful in the long-term. We summarize current developments, discuss the hurdles and consider some modifications to improve the CAR T cell therapy in the treatment of solid tumors...
August 16, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28810286/-driving-ability-in-parkinson-s-disease
#12
Carsten Buhmann, Jan Vesper, Henriette Oelsner
About 60 % of all patients with Parkinson's disease (PD) and about 50 % of PD patients with deep brain stimulation (DBS) in possession of a driving license are active car-drivers. Parkinson patients, however, often display physical and/or psychological weaknesses that can lead to loss of or reduced driving ability. Driving capability can also be affected by Parkinson medication. The attending physician is therefore obliged to advise his patients regarding their ability to be in command of a vehicle. This however can prove difficult in practice...
August 15, 2017: Fortschritte der Neurologie-Psychiatrie
https://www.readbyqxmd.com/read/28809848/a-multimodal-dataset-for-various-forms-of-distracted-driving
#13
Salah Taamneh, Panagiotis Tsiamyrtzis, Malcolm Dcosta, Pradeep Buddharaju, Ashik Khatri, Michael Manser, Thomas Ferris, Robert Wunderlich, Ioannis Pavlidis
We describe a multimodal dataset acquired in a controlled experiment on a driving simulator. The set includes data for n=68 volunteers that drove the same highway under four different conditions: No distraction, cognitive distraction, emotional distraction, and sensorimotor distraction. The experiment closed with a special driving session, where all subjects experienced a startle stimulus in the form of unintended acceleration-half of them under a mixed distraction, and the other half in the absence of a distraction...
August 15, 2017: Scientific Data
https://www.readbyqxmd.com/read/28808839/individuals-with-autism-have-higher-8-iso-pgf2%C3%AE-levels-than-controls-but-no-correlation-with-quantitative-assay-of-paraoxonase-1-serum-levels
#14
Bianca Pop, Alexandru-Ștefan Niculae, Tudor Lucian Pop, Andreea Liana Răchișan
Autism spectrum disorder (ASD) represents a very large set of neurodevelopmental issues with diverse clinical outcomes. Various hypotheses have been put forth for the etiology of autism spectrum disorder, including issues pertaining to oxidative stress. In this study, we conducted measurements of serum 8-Iso-Prostaglanding F2 α (8-iso-PGF2α, which is the results of non-enzimatically mediated polyunsaturated fatty acid oxidation) in a population of individuals with autism and a control group of age and sex matched controls...
August 14, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28808808/ketogenic-diet-versus-gluten-free-casein-free-diet-in-autistic-children-a-case-control-study
#15
Omnia El-Rashidy, Farida El-Baz, Yasmin El-Gendy, Randa Khalaf, Dina Reda, Khaled Saad
Many diet regimens were studied for patients with autism spectrum disorder (ASD) over the past few years. Ketogenic diet is gaining attention due to its proven effect on neurological conditions like epilepsy in children. Forty-five children aged 3-8 years diagnosed with ASD based on DSM-5 criteria were enrolled in this study. Patients were equally divided into 3 groups, first group received ketogenic diet as modified Atkins diet (MAD), second group received gluten free casein free (GFCF) diet and the third group received balanced nutrition and served as a control group...
August 14, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28808046/car-t-cells-drive-cll-remissions
#16
(no author information available yet)
A new study shows that chimeric antigen receptor T cells produce objective responses in 71% of patients with chronic lymphocytic leukemia whose disease progressed despite receiving ibrutinib or who are unable to tolerate the drug. Cancer cells were undetectable in the bone marrow in 81% of tested patients, and 64% of tested patients showed complete lymph node responses. Most patients experienced adverse effects, however.
August 14, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28808014/adaptive-benefit-of-cross-modal-plasticity-following-cochlear-implantation-in-deaf-adults
#17
Carly A Anderson, Ian M Wiggins, Pádraig T Kitterick, Douglas E H Hartley
It has been suggested that visual language is maladaptive for hearing restoration with a cochlear implant (CI) due to cross-modal recruitment of auditory brain regions. Rehabilitative guidelines therefore discourage the use of visual language. However, neuroscientific understanding of cross-modal plasticity following cochlear implantation has been restricted due to incompatibility between established neuroimaging techniques and the surgically implanted electronic and magnetic components of the CI. As a solution to this problem, here we used functional near-infrared spectroscopy (fNIRS), a noninvasive optical neuroimaging method that is fully compatible with a CI and safe for repeated testing...
August 14, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28807568/function-of-novel-anti-cd19-chimeric-antigen-receptors-with-human-variable-regions-is-affected-by-hinge-and-transmembrane-domains
#18
Leah Alabanza, Melissa Pegues, Claudia Geldres, Victoria Shi, Jed J W Wiltzius, Stuart A Sievers, Shicheng Yang, James N Kochenderfer
Anti-CD19 chimeric antigen receptor (CAR) T cells have caused remissions of B cell malignancies, but problems including cytokine-mediated toxicity and short persistence of CAR T cells in vivo might limit the effectiveness of anti-CD19 CAR T cells. Anti-CD19 CARs that have been tested clinically had single-chain variable fragments (scFvs) derived from murine antibodies. We have designed and constructed novel anti-CD19 CARs containing a scFv with fully human variable regions. T cells expressing these CARs specifically recognized CD19(+) target cells and carried out functions including degranulation, cytokine release, and proliferation...
July 27, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28806764/do-labeled-versus-unlabeled-treatments-of-alternatives-names-influence-stated-choice-outputs-results-from-a-mode-choice-study
#19
Wen Jin, Hai Jiang, Yimin Liu, Erica Klampfl
Discrete choice experiments have been widely applied to elicit behavioral preferences in the literature. In many of these experiments, the alternatives are named alternatives, meaning that they are naturally associated with specific names. For example, in a mode choice study, the alternatives can be associated with names such as car, taxi, bus, and subway. A fundamental issue that arises in stated choice experiments is whether to treat the alternatives' names as labels (that is, labeled treatment), or as attributes (that is, unlabeled treatment) in the design as well as the presentation phases of the choice sets...
2017: PloS One
https://www.readbyqxmd.com/read/28805969/study-of-young-patients-with-myocardial-infarction-design-and-rationale-of-the-young-mi-registry
#20
Avinainder Singh, Bradley Collins, Arman Qamar, Ankur Gupta, Amber Fatima, Sanjay Divakaran, Josh Klein, Jon Hainer, Petr Jarolim, Ravi V Shah, Khurram Nasir, Marcelo F Di Carli, Deepak L Bhatt, Ron Blankstein
The YOUNG-MI registry is a retrospective study examining a cohort of young adults age ≤ 50 years with a first-time myocardial infarction. The study will use the robust electronic health records of 2 large academic medical centers, as well as detailed chart review of all patients, to generate high-quality longitudinal data regarding the clinical characteristics, management, and outcomes of patients who experience a myocardial infarction at a young age. Our findings will provide important insights regarding prevention, risk stratification, treatment, and outcomes of cardiovascular disease in this understudied population, as well as identify disparities which, if addressed, can lead to further improvement in patient outcomes...
August 14, 2017: Clinical Cardiology
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