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https://www.readbyqxmd.com/read/28530721/palladium-catalysed-atom-economical-synthesis-of-conjugated-dienals-from-terminal-acetylenes-and-acrolein
#1
Zoë Hearne, Chao-Jun Li
Conjugated (E,E)-dienals are versatile synthetic intermediates owing to their trifunctional, electrophilic nature and the prevalence of the (E,E)-diene in a wide range of functional molecules. It is shown herein that (E,E)-dienals can be readily prepared in two palladium-catalysed steps from simple, unactivated starting materials; terminal acetylenes and acrolein can be coupled via conjugate addition, followed by alkyne isomerisation. This procedure provides a highly atom-economical, redox-neutral and practical method to prepare a range of conjugated (E,E)-dienals in good yields and diastereoselectivities...
May 22, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28530655/a-quantitative-and-multiplexed-approach-to-uncover-the-fitness-landscape-of-tumor-suppression-in-vivo
#2
Zoë N Rogers, Christopher D McFarland, Ian P Winters, Santiago Naranjo, Chen-Hua Chuang, Dmitri Petrov, Monte M Winslow
Cancer growth is a multistage, stochastic evolutionary process. While cancer genome sequencing has been instrumental in identifying the genomic alterations that occur in human tumors, the consequences of these alterations on tumor growth remain largely unexplored. Conventional genetically engineered mouse models enable the study of tumor growth in vivo, but they are neither readily scalable nor sufficiently quantitative to unravel the magnitude and mode of action of many tumor-suppressor genes. Here, we present a method that integrates tumor barcoding with ultradeep barcode sequencing (Tuba-seq) to interrogate tumor-suppressor function in mouse models of human cancer...
May 22, 2017: Nature Methods
https://www.readbyqxmd.com/read/28527018/predicting-academic-impairment-and-internalizing-psychopathology-using-a-multidimensional-framework-of-sluggish-cognitive-tempo-with-parent-and-adolescent-reports
#3
Zoe R Smith, Joshua M Langberg
Adolescents with Sluggish Cognitive Tempo (SCT) exhibit symptoms of slowness, mental confusion, excessive daydreaming, low motivation, and drowsiness/sleepiness. Although many symptoms of SCT reflect internalizing states, no study has evaluated the clinical utility of self-report of SCT in an attention-deficit/hyperactivity disorder (ADHD) sample. Furthermore, it remains unclear whether SCT is best conceptualized as a unidimensional or multidimensional construct. In a sample of 262 adolescents comprehensively diagnosed with ADHD, the present study used adolescent- and parent reports of SCT to evaluate the predictive utility of a general SCT factor from a bifactor modeling approach compared the utility of three specific SCT factors (slow, sleepy, and daydreamer) for predicting academic impairment and internalizing psychopathology...
May 19, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28526329/a-behaviour-change-intervention-to-reduce-sedentary-time-in-people-with-chronic-obstructive-pulmonary-disease-protocol-for-a-randomised-controlled-trial
#4
Sonia Wing Mei Cheng, Jennifer Alison, Sarah Dennis, Emmanuel Stamatakis, Lissa Spencer, Renae McNamara, Susan Sims, Zoe McKeough
INTRODUCTION: Replacing sedentary behaviour with light intensity physical activity (ie, activities classified as less than three metabolic equivalents, such as slow-paced walking) may be a more realistic strategy for reducing cardiometabolic risk in people with chronic obstructive pulmonary disease than only aiming to increase levels of moderate-vigorous intensity physical activity. Behaviour change interventions to reduce sedentary behaviour in people with chronic obstructive pulmonary disease have not yet been developed or tested...
May 16, 2017: Journal of Physiotherapy
https://www.readbyqxmd.com/read/28524708/significance-of-baseline-fdg-pet-ct-scan-as-a-method-of-staging-regional-lymph-nodes-in-patients-with-operable-distal-oesophageal-or-gastroesophageal-junction-adenocarcinoma
#5
George Papaxoinis, Jamie M J Weaver, Leila Khoja, Ana Patrao, Sofia Stamatopoulou, Alia Alchawaf, Vikki Owen-Holt, Theodora Germetaki, Zoe Kordatou, Wasat Mansoor
BACKGROUND: The new American Joint Committee on Cancer eighth edition (AJCC8) staging is the first to describe separate clinical and pathology staging systems, but still has low performance to predict prognosis in patients with oesophageal/gastroesophageal junction (O/GOJ) adenocarcinoma, who are candidates for surgery. Recent studies have demonstrated that O/GOJ cancer patients with 18F-fluorodeoxyglucose (FDG) avid regional lymph nodes (RLNs) may have poor prognosis. The aim of our study was to examine whether the baseline assessment of the FDG uptake of RLN improves the prognostic accuracy of the new AJCC8 staging...
May 19, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28520909/large-scale-data-driven-integrative-framework-for-extracting-essential-targets-and-processes-from-disease-associated-gene-data-sets
#6
Gaston K Mazandu, Emile R Chimusa, Kayleigh Rutherford, Elsa-Gayle Zekeng, Zoe Z Gebremariam, Maryam Y Onifade, Nicola J Mulder
Populations worldwide currently face several public health challenges, including growing prevalence of infections and the emergence of new pathogenic organisms. The cost and risk associated with drug development make the development of new drugs for several diseases, especially orphan or rare diseases, unappealing to the pharmaceutical industry. Proof of drug safety and efficacy is required before market approval, and rigorous testing makes the drug development process slow, expensive and frequently result in failure...
May 18, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/28520824/expanding-purpura-in-a-neutropenic-patient
#7
Zoe O Brown-Joel, Nahid Y Vidal, Karolyn A Wanat
No abstract text is available yet for this article.
May 18, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28520530/to-pump-or-not-to-pump-in-pregnancy
#8
Zoe A Stewart, Helen R Murphy
No abstract text is available yet for this article.
May 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28515985/epidemiological-trends-in-skin-cancer
#9
Zoe Apalla, Aimilios Lallas, Elena Sotiriou, Elizabeth Lazaridou, Demetrios Ioannides
Skin cancer, including melanoma and non-melanoma skin cancer (NMSC), represents the most common type of malignancy in the white population. The incidence rate of melanoma is increasing worldwide, while the associated mortality remains stable, or is slightly decreasing. On the other hand, the incidence for NMSC varies widely, with the highest rates reported in Australia. In the current review, we highlight recent global trends in epidemiology of skin cancer. We discuss controversial issues raised in current epidemiological data, we analyze the most important risk factors associated with the development of melanoma and NMSC and the impact of skin cancer on health care services...
April 2017: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/28512490/in-vitro-cytotoxicity-of-a-new-nano-root-canal-sealer-on-human-gingival-fibroblasts
#10
Maryam Javidi, Parisa Dastmalchi, Mina Zarei, Maryam Shayani Rad, Ahmad Ghorbani
INTRODUCTION: The aim of this in vitro study was to evaluate the cytotoxicity of a new nano zinc-oxide eugenol (NZOE) sealer on human gingival fibroblasts (HGFs) compared with Pulpdent (micro-sized ZOE sealer) and AH-26 (resin-based sealer). METHODS AND MATERIALS: The Pulpdent, AH-26, and NZOE sealers were prepared and exposed to cell culture media immediately after setting, and 24 h and one week after setting. Then, the primary cultured HGFs were incubated for 24 h with different dilutions (1:1 to 1:32) of each sealer extract...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28510988/barriers-to-obstetric-fistula-treatment-in-low-income-countries-a-systematic-review
#11
REVIEW
Rachel Bach, Charlotte Warren, Zoe Baker, Ben Bellows
OBJECTIVES: To identify the barriers that women living with fistula in low-income countries face, preventing them from seeking care, reaching medical centers, and receiving appropriate care. METHODS: Bibliographic databases, grey literature, journals, and network and organization websites were searched in English and French from June to July 2014 using key search terms and specific inclusion and exclusion criteria for discussion of barriers to fistula treatment...
May 16, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28509887/predictors-of-segmented-school-day-physical-activity-and-sedentary-time-in-children-from-a-northwest-england-low-income-community
#12
Sarah L Taylor, Whitney B Curry, Zoe R Knowles, Robert J Noonan, Bronagh McGrane, Stuart J Fairclough
Schools have been identified as important settings for health promotion through physical activity participation, particularly as children are insufficiently active for health. The aim of this study was to investigate the child and school-level influences on children's physical activity levels and sedentary time during school hours in a sample of children from a low-income community; Methods: One hundred and eighty-six children (110 boys) aged 9-10 years wore accelerometers for 7 days, with 169 meeting the inclusion criteria of 16 h∙day(-1) for a minimum of three week days...
May 16, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28509391/common-mental-disorder-including-psychotic-experiences-trailblazing-a-new-recovery-pathway-within-the-improving-access-to-psychological-therapies-programme-in-england
#13
Jesus Perez, Debra A Russo, Jan Stochl, James Clarke, Zoe Martin, Christina Jassi, Paul French, David Fowler, Peter B Jones
Psychotic experiences, depressive and anxiety symptoms may be manifestations of a latent continuum of common mental distress. The Improving Access to Psychological Therapies (IAPT) programme has increased the reach of psychological treatments to people with common mental disorders in England. However, psychotic experiences are neither measured nor considered in therapy. We aimed to confirm the presence of psychotic experiences among IAPT service-users and determine whether these experiences are associated with higher depression/anxiety levels and poorer recovery...
May 16, 2017: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/28506088/trends-in-white-blood-cell-and-platelet-indices-in-a-comparison-of-patients-with-papillary-thyroid-carcinoma-and-multinodular-goiter-do-not-permit-differentiation-between-the-conditions
#14
Nikolaos Machairas, Ioannis D Kostakis, Anastasia Prodromidou, Paraskevas Stamopoulos, Themistoklis Feretis, Zoe Garoufalia, Christos Damaskos, Gerasimos Tsourouflis, Gregory Kouraklis
AIM: Carcinogenesis has been related to systematic inflammatory response. Our aim was to study white blood cell and platelet indices as markers of this inflammatory response in thyroid cancer and to associate them with various clinicopathological parameters. METHODS: We included 228 patients who underwent thyroidectomy within a period of 54 months, 89 with papillary thyroid carcinoma and 139 with multinodular hyperplasia. We examined potential links between white blood cell and platelet indices on the one hand and the type thyroid pathology and various clinicopathological parameters on the other...
May 16, 2017: Endocrine Research
https://www.readbyqxmd.com/read/28505976/in-vivo-detection-of-gray-matter-neuropathology-in-the-3xtg-mouse-model-of-alzheimer-s-disease-with-diffusion-tensor-imaging
#15
Wanda M Snow, Ryan Dale, Zoe O'Brien-Moran, Richard Buist, Danial Peirson, Melanie Martin, Benedict C Albensi
A diagnosis of Alzheimer's disease (AD), a neurodegenerative disorder accompanied by severe functional and cognitive decline, is based on clinical findings, with final confirmation of the disease at autopsy by the presence of amyloid-β (Aβ) plaques and neurofibrillary tangles. Given that microstructural brain alterations occur years prior to clinical symptoms, efforts to detect brain changes early could significantly enhance our ability to diagnose AD sooner. Diffusion tensor imaging (DTI), a type of MRI that characterizes the magnitude, orientation, and anisotropy of the diffusion of water in tissues, has been used to infer neuropathological changes in vivo...
May 8, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28505318/calcified-cerebral-embolism-what-the-clinician-needs-to-know
#16
Zoe Hutchinson, Simon Clifford, Ronan P Killeen
No abstract text is available yet for this article.
May 13, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28503553/elephant-initiated-interactions-with-humans-individual-differences-and-specific-preferences-in-captive-african-elephants-loxodonta-africana
#17
Zoë T Rossman, Clare Padfield, Debbie Young, Lynette A Hart
South Africa has seen a recent increase in the number of African elephants (Loxodonta africana) maintained in reserves and parks and managed in free contact, where they may spend a significant amount of time in close proximity to humans. This study investigates how individual elephants choose to initiate interactions with humans by examining whether interaction types and frequencies vary both between elephants and with regards to the category of human involved in the interaction. Observations were made on a herd of seven captive African elephants frequently exposed to elephant handlers (guides), volunteers (who carry out general observations for the park's research unit), and tourists...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28502513/relationship-between-noninvasive-scores-of-nonalcoholic-fatty-liver-disease-and-nuclear-magnetic-resonance-lipoprotein-abnormalities-a-focus-on-atherogenic-dyslipidemia
#18
Antonio J Amor, Montserrat Pinyol, Elsa Solà, Marta Catalan, Montserrat Cofán, Zoe Herreras, Nuria Amigó, Rosa Gilabert, Aleix Sala-Vila, Emilio Ros, Emilio Ortega
BACKGROUND: Nonalcoholic fatty liver disease (NAFLD) is an emerging, highly prevalent, cardiovascular risk factor, and lipoprotein proatherogenic disturbances likely explain a large part of this risk. However, information regarding associations between detailed nuclear magnetic resonance (NMR) lipoprotein changes and noninvasive NAFLD scores is lacking. OBJECTIVE: The objective of the study was to investigate the NMR-assessed atherogenic lipoprotein profile according to noninvasive NAFLD status...
March 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28502038/verbal-visual-and-intermediary-support-for-child-witnesses-with-autism-during-investigative-interviews
#19
Lucy A Henry, Laura Crane, Gilly Nash, Zoe Hobson, Mimi Kirke-Smith, Rachel Wilcock
Three promising investigative interview interventions were assessed in 270 children (age 6-11 years): 71 with autism spectrum disorder (ASD) and 199 who were typically developing (TD). Children received 'Verbal Labels', 'Sketch Reinstatement of Context' or 'Registered Intermediary' interviews designed to improve interview performance without decreasing accuracy. Children with ASD showed no increases in the number of correct details recalled for any of the three interview types (compared to a Best-Practice police interview), whereas TD children showed significant improvements in the Registered Intermediary and Verbal Labels interviews...
May 13, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28500469/aggression-predicts-changes-in-peer-victimization-that-vary-by-form-and-function
#20
Karin S Frey, Zoe Higheagle Strong
Peer victimization is predictive of serious problems in adjustment, especially among children who are both victimized and aggressive. This study investigated how different types of aggression contribute to later victimization. Specifically, we examined prospective relationships between the types of aggression that children perpetrated and the types that they experienced at the hands of others. Trained observers coded schoolyard behavior of 553 children in grades 3-6 during the initial year of a bullying intervention program...
May 12, 2017: Journal of Abnormal Child Psychology
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