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https://www.readbyqxmd.com/read/28346917/endocrine-long-term-follow-up-of-children-with-neurofibromatosis-type-1-and-optic-pathway-glioma%C3%A2
#1
Ilaria Sani, Assunta Albanese
BACKGROUND/AIMS: Children with optic pathway glioma (OPG) face sequelae related to tumour location and treatment modalities. We aimed to assess the prevalence of hypothalamic-pituitary dysfunctions in children with neurofibromatosis type 1 (NF1) and OPG who did not receive radiotherapy or surgical resection. The causative role of tumour location on endocrinopathy development is investigated. METHODS: A retrospective follow-up study of 40 children with NF1 and OPG evaluated between August 1996 and May 2015 was undertaken...
March 27, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28346818/regulation-of-low-temperature-stress-in-plants-by-micrornas
#2
REVIEW
Swati Megha, Urmila Basu, Nat N V Kav
Low temperature is one of the most common environmental stresses that seriously affects the growth and development of plants. However, plants have the plasticity in their defense mechanisms enabling them to tolerate and, sometimes, even survive adverse environmental conditions. MicroRNAs (miRNAs) are small non-coding RNAs, approximately 19-21 nucleotides in length, and are being increasingly recognized as regulators of gene expression at the post-transcriptional level and have the ability to influence a broad range of biological processes...
March 27, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28346705/performance-of-a-polymer-coated-silicon-microarray-for-simultaneous-detection-of-food-allergen-specific-ige-and-igg4
#3
Steven Sievers, Marina Cretich, Paola Gagni, Birgit Ahrens, Galina Grishina, Hugh Sampson, Bodo Niggemann, Marcella Chiari, Kirsten Beyer
BACKGROUND: Microarray-based component-resolved diagnostics (CRD) has become an accepted tool to detect allergen specific IgE-sensitization towards hundreds of allergens in parallel from one drop of serum. Nevertheless specificity and sensitivity as well as a simultaneous detection of allergen specific IgG4, as a potential parameter for tolerance development, remain to be optimized. OBJECTIVE: We applied the recently introduced silicon chip coated with a functional polymer named copoly(DMA-NAS-MAPS) to the simultaneous detection of food allergen specific IgE and IgG4, and compared it with ImmunoCAP and ImmunoCAP ISAC...
March 27, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28346570/tolerance-and-long-term-efficacy-of-polyethylene-glycol-4000-forlax%C3%A2-compared-to-lactulose-in-elderly-patients-with-chronic-constipation
#4
P Chassagne, P Ducrotte, P Garnier, H Mathiex-Fortunet
OBJECTIVES: To assess the tolerance and potential nutritional consequences of long-term repeated doses of PEG 4000 (10 to 30 g/day) in elderly patients with chronic constipation as compared to lactulose (10-30 g/day). DESIGN: Single blind, randomised, multicentre, parallel group comparative study. SETTING: Community-dwelling patients and nursing homes residents aged 70 years and older with a history of chronic constipation. Treatment intervention: PEG 4000 (10-30 g/day) or lactulose (10-30 g/day) for six months...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28346449/desiccation-tolerance-seedy-origins-of-resurrection
#5
Robert VanBuren
No abstract text is available yet for this article.
March 27, 2017: Nature Plants
https://www.readbyqxmd.com/read/28346448/a-footprint-of-desiccation-tolerance-in-the-genome-of-xerophyta-viscosa
#6
Maria-Cecília D Costa, Mariana A S Artur, Julio Maia, Eef Jonkheer, Martijn F L Derks, Harm Nijveen, Brett Williams, Sagadevan G Mundree, José M Jiménez-Gómez, Thamara Hesselink, Elio G W M Schijlen, Wilco Ligterink, Melvin J Oliver, Jill M Farrant, Henk W M Hilhorst
Desiccation tolerance is common in seeds and various other organisms, but only a few angiosperm species possess vegetative desiccation tolerance. These 'resurrection species' may serve as ideal models for the ultimate design of crops with enhanced drought tolerance. To understand the molecular and genetic mechanisms enabling vegetative desiccation tolerance, we produced a high-quality whole-genome sequence for the resurrection plant Xerophyta viscosa and assessed transcriptome changes during its dehydration...
March 27, 2017: Nature Plants
https://www.readbyqxmd.com/read/28346411/the-cold-induced-lipokine-12-13-dihome-promotes-fatty-acid-transport-into-brown-adipose-tissue
#7
Matthew D Lynes, Luiz O Leiria, Morten Lundh, Alexander Bartelt, Farnaz Shamsi, Tian Lian Huang, Hirokazu Takahashi, Michael F Hirshman, Christian Schlein, Alexandra Lee, Lisa A Baer, Francis J May, Fei Gao, Niven R Narain, Emily Y Chen, Michael A Kiebish, Aaron M Cypess, Matthias Blüher, Laurie J Goodyear, Gökhan S Hotamisligil, Kristin I Stanford, Yu-Hua Tseng
Brown adipose tissue (BAT) and beige adipose tissue combust fuels for heat production in adult humans, and so constitute an appealing target for the treatment of metabolic disorders such as obesity, diabetes and hyperlipidemia. Cold exposure can enhance energy expenditure by activating BAT, and it has been shown to improve nutrient metabolism. These therapies, however, are time consuming and uncomfortable, demonstrating the need for pharmacological interventions. Recently, lipids have been identified that are released from tissues and act locally or systemically to promote insulin sensitivity and glucose tolerance; as a class, these lipids are referred to as 'lipokines'...
March 27, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28346362/nutrition-assessment-of-b-vitamins-in-highly-active-and-sedentary-women
#8
Kathleen Woolf, Nicole L Hahn, Megan M Christensen, Amanda Carlson-Phillips, Christine M Hansen
BACKGROUND: Female athletes and active women require adequate nutrition for optimal health and performance. Nutrition assessments are needed to identify potential nutrients of concern. Folate, vitamin B6, and vitamin B12 function in important pathways used during physical activity and female athletes may be at risk for poor status of these micronutrients. This cross-sectional study described a comprehensive nutrition assessment of the B-vitamins (folate, vitamin B6, and vitamin B12) using both dietary (food and dietary supplements) and biochemical assessments among highly active and sedentary women...
March 26, 2017: Nutrients
https://www.readbyqxmd.com/read/28346334/outdoor-cultivation-of-marine-diatoms-for-year-round-production-of-biofuels
#9
Mitsufumi Matsumoto, Daisuke Nojima, Tomomi Nonoyama, Kiichi Ikeda, Yoshiaki Maeda, Tomoko Yoshino, Tsuyoshi Tanaka
Biofuel production using microalgae is believed to have the advantage of continuous year-round production over crop plants, which have strong seasonality. However, actual year-round production of microalgal lipids using outdoor mass cultivation has rarely been demonstrated. In our previous study, it was demonstrated that the oleaginous diatom, Fistulifera solaris, was culturable in outdoor bioreactors from spring to autumn, whereas biomass and lipid production in winter failed because F. solaris did not grow below 15 °C...
March 25, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28346272/influenza-in-children
#10
Janienne Kondrich, Michele Rosenthal
PURPOSE OF REVIEW: We review the current information and evidence available on the global burden of disease in the pediatric population, clinical presentation and complications, testing, treatment, and immunization. RECENT FINDINGS: In addition to multiple other risk factors for influenza complications, children with neurologic and neuromuscular disorders are significantly higher risk for serious complications. In practice, there is no lower age limit for children with influenza who can be treated with oseltamivir...
March 24, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28346233/clinical-efficacy-and-tolerability-of-direct-acting-antivirals-in-elderly-patients-with-chronic-hepatitis-c
#11
Jagannath M Sherigar, Vijay Gayam, Arifa Khan, Osama Mukhtar, Yavgeniy Arefiev, Mazin Khalid, Imran Siddiqui, Ayyappa M Rangaraju, Nibash Budhathoki, Mohammed Mansour, Debra Guss, Smruti R Mohanty
BACKGROUND: There is a lack of evidence-based data on aged patients with newer direct-acting antivirals (DAAs) and with shorter duration of treatment regimens involving DAAs with or without ribavirin (RBV) and pegylated interferon (Peg IFN). PATIENTS AND METHODS: Medical records of 240 patients treated with DAAs with or without Peg IFN and RBV between January 2013 and July 2015 were retrospectively analyzed. Patients were divided into two groups: patients aged 65 years and older (N=84) and patients aged younger than 65 years (N=156)...
March 24, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28346092/screening-for-protein-protein-interaction-inhibitors-using-a-bioluminescence-resonance-energy-transfer-bret-based-assay-in-yeast
#12
Caroline Corbel, Sara Sartini, Elisabetta Levati, Pierre Colas, Laurent Maillet, Cyril Couturier, Barbara Montanini, Stéphane Bach
The bioluminescence resonance energy transfer (BRET) technology is a widely used live cell-based method for monitoring protein-protein interactions as well as conformational changes within proteins or molecular complexes. Considering the emergence of protein-protein interactions as a new promising class of therapeutic targets, we have adapted the BRET method in budding yeast. In this technical note, we describe the advantages of using this simple eukaryotic model rather than mammalian cells to perform high-throughput screening of chemical compound collections: genetic tractability, tolerance to solvent, rapidity, and no need of expensive robotic systems...
January 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28346074/germline-genetic-predictors-of-aromatase-inhibitor-concentrations-estrogen-suppression-and-drug-efficacy-and-toxicity-in-breast-cancer-patients
#13
Daniel L Hertz, N Lynn Henry, James M Rae
The third-generation aromatase inhibitors (AIs), anastrozole, letrozole and exemestane, are highly effective for the treatment of estrogen receptor-positive breast cancer in postmenopausal women. AIs inhibit the aromatase (CYP19A1)-mediated production of estrogens. Most patients taking AIs achieve undetectable blood estrogen concentrations resulting in drug efficacy with tolerable side effects. However, some patients have suboptimal outcomes, which may be due, in part, to inherited germline genetic variants...
March 27, 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28346041/enhancing-tolerability-of-a-measure-of-social-perception-in-schizophrenia-comparison-of-short-and-long-norwegian-versions-of-the-relationships-across-domains-test
#14
Anja Vaskinn, Alan P Fiske, Michael F Green
INTRODUCTION: Relationship perception focuses on social interactions, is reduced in schizophrenia and is related to daily functioning. It can be assessed with the Relationships Across Domains (RAD) test, built on Relational Models Theory which states that people use four relational models to interpret social interaction. RAD is time consuming, low on tolerability and only used in English-speaking countries. We evaluated the psychometric properties of a translated, abbreviated Norwegian version...
March 27, 2017: Cognitive Neuropsychiatry
https://www.readbyqxmd.com/read/28346031/chromogranin-a-cell-density-in-the-large-intestine-of-asian-and-european-patients-with-irritable-bowel-syndrome
#15
Magdy El-Salhy, Tanisa Patcharatrakul, Jan Gunnar Hatlebakk, Trygve Hausken, Odd Helge Gilja, Sutep Gonlachanvit
OBJECTIVE: Patients with irritable bowel syndrome (IBS) in Asia show distinctive differences from those in the western world. The gastrointestinal endocrine cells appear to play an important role in the pathophysiology of IBS. The present study aimed at studying the density of chromogranin A (CgA) cells in the large intestine of Thai and Norwegian IBS patients. METHODS: Thirty Thai IBS patients and 20 control subjects, and 47 Norwegian IBS patients and 20 control subjects were included...
March 27, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28346013/the-physiology-of-blood-loss-and-shock-new-insights-from-a-human-laboratory-model-of-hemorrhage
#16
Alicia M Schiller, Jeffrey T Howard, Victor A Convertino
The ability to quickly diagnose hemorrhagic shock is critical for favorable patient outcomes. Therefore, it is important to understand the time course and involvement of the various physiological mechanisms that are active during volume loss and that have the ability to stave off hemodynamic collapse. This review provides new insights about the physiology that underlies blood loss and shock in humans through the development of a simulated model of hemorrhage using lower body negative pressure. In this review, we present controlled experimental results through utilization of the lower body negative pressure human hemorrhage model that provide novel insights on the integration of physiological mechanisms critical to the compensation for volume loss...
April 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28345963/accumulation-and-speciation-of-cd-in-avicennia-marina-tissues
#17
Li Jian, Yan Chongling, Du Daolin, Lu Haoliang, Liu Jingchun
Avicennia marina is a high Cd tolerant species in the mangrove wetlands. A hydroponic experiment was carried out to research the accumulation and chemical form distribution of Cd in the tissues of A. marina under different concentration and time of Cd stress. It was found that the concentrations of Cd in plant tissues followed the order of root> stem>leaf. The data suggested that root activity decreased, Cd accumulation ability weakened in roots and the Translocation Factor increased in stems and leaves with the increase of stress time...
March 27, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28345959/ventilatory-inefficiency-and-exertional-dyspnea-in-early-chronic-obstructive-pulmonary-disease
#18
J Alberto Neder, Danilo C Berton, Paulo de Tarso Müller, Amany F Elbehairy, Alcides Rocha, Paolo Palange, Denis E O'Donnell
Exertional dyspnea is present across the spectrum of chronic obstructive pulmonary disease (COPD) severity. However, without realizing it themselves, patients may decrease daily physical activity to avoid distressing respiratory sensations. Dyspnea also may be associated with deconditioning. Cardiopulmonary exercise testing can uncover exertional dyspnea and its physiological determinants in patients with preserved or only mildly-reduced FEV1. Dyspnea in mild COPD can largely be explained by increased "wasted" ventilation in the physiological dead space which heightens the drive to breathe and worsens the inspiratory mechanical constraints...
March 27, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28345908/rapid-low-temperature-formation-of-imine-linked-cofs-catalyzed-by-metal-triflates
#19
Michio Matsumoto, Raghunath R Dasari, Woojung Ji, Cameron H Feriante, Timothy C Parker, Seth R Marder, William R Dichtel
Imine-linked two-dimensional covalent organic frameworks (2D COFs) are crystalline polymer networks with enhanced stability and broader monomer scope compared to boronate ester-linked systems. They are traditionally prepared by condensing polyfunctional aldehydes and amines at elevated temperature in a mixture of organic solvents and aqueous CH3CO2H, which catalyzes imine formation and exchange. Under these conditions, an amorphous imine-linked polymer network precipitates quickly and then crystallizes after extended reaction times (hours to days)...
March 27, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28345814/dapagliflozin-once-daily-plus-exenatide-once-weekly-in-obese-adults-without-diabetes-sustained-reductions-in-bodyweight-glycaemia-and-blood-pressure-over-1-year
#20
Per Lundkvist, Maria J Pereira, Petros Katsogiannos, C David Sjöström, Eva Johnsson, Jan W Eriksson
AIMS: Dapagliflozin and exenatide reduce bodyweight by differing mechanisms. Dual therapy with these agents reduces bodyweight, adipose tissue volume, glycaemia, and systolic blood pressure (SBP) over 24 weeks. Here, we examined these effects over 1 year in obese adults without diabetes. MATERIALS AND METHODS: Obese adults without diabetes (N = 50; aged 18-70 years; body mass index 30-45 kg/m(2) ) initially randomized to double-blind oral dapagliflozin 10 mg once daily plus subcutaneous long-acting exenatide 2 mg once weekly or placebo entered an open-label extension from 24-52 weeks during which all participants received active treatment...
March 27, 2017: Diabetes, Obesity & Metabolism
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