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https://www.readbyqxmd.com/read/28102980/microbiology-devices-reclassification-of-influenza-virus-antigen-detection-test-systems-intended-for-use-directly-with-clinical-specimens-final-order
#1
(no author information available yet)
The Food and Drug Administration (FDA) is reclassifying antigen based rapid influenza virus antigen detection test systems intended to detect influenza virus directly from clinical specimens that are currently regulated as influenza virus serological reagents from class I into class II with special controls and into a new device classification regulation.
12, 2017: Federal Register
https://www.readbyqxmd.com/read/28102702/immunomodulating-peptides-for-food-allergy-prevention-and-treatment
#2
Daniel Lozano-Ojalvo, Rosina López-Fandiño
Among the most promising strategies currently assayed against IgE-mediated allergic diseases stands the possibility of using immunomodulating peptides to induce oral tolerance towards offending food allergens or even to prevent allergic sensitization. This review focuses on the beneficial effects of food derived immunomodulating peptides on food allergy, which can be directly exerted in the intestinal tract or once being absorbed through the intestinal epithelial barrier to interact with immune cells. Food peptides influence intestinal homeostasis by maintaining and reinforcing barrier function or affecting intestinal cell-signalling to nearby immune cells and mucus secretion...
January 19, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28102546/ataluren-and-similar-compounds-specific-therapies-for-premature-termination-codon-class-i-mutations-for-cystic-fibrosis
#3
REVIEW
Aisha A Aslam, Colin Higgins, Ian P Sinha, Kevin W Southern
BACKGROUND: Cystic fibrosis is a common life-shortening genetic disorder in the Caucasian population (less common in other ethnic groups) caused by the mutation of a single gene that codes for the production of the cystic fibrosis transmembrane conductance regulator protein. This protein coordinates the transport of salt (and bicarbonate) across cell surfaces and the mutation most notably affects the airways. In the lungs of people with cystic fibrosis, defective protein results in a dehydrated surface liquid and compromised mucociliary clearance...
January 19, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28102120/intestinal-mononuclear-phagocytes-in-health-and-disease
#4
Theodore J Sanders, Ulf Yrlid, Kevin J Maloy
The intestine is the tissue of the body with the highest constitutive exposure to foreign antigen and is also a common entry portal for many local and systemic pathogens. Therefore, the local immune system has the unenviable task of balancing efficient responses to dangerous pathogens with tolerance toward beneficial microbiota and food antigens. As in most tissues, the decision between tolerance and immunity is critically governed by the activity of local myeloid cells. However, the unique challenges posed by the intestinal environment have necessitated the development of several specialized mononuclear phagocyte populations with distinct phenotypic and functional characteristics that have vital roles in maintaining barrier function and immune homeostasis in the intestine...
January 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28102055/role-of-regulatory-cells-in-oral-tolerance
#5
REVIEW
Marcin Wawrzyniak, Liam O'Mahony, Mübeccel Akdis
The immune system is continuously exposed to great amounts of different antigens from both food and intestinal microbes. Immune tolerance to these antigens is very important for intestinal and systemic immune homeostasis. Oral tolerance is a specific type of peripheral tolerance induced by exposure to antigen via the oral route. Investigations on the role of intestinal immune system in preventing hypersensitivity reactions to innocuous dietary and microbial antigens have been intensively performed during the last 2 decades...
March 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28100257/food-specific-sublingual-immunotherapy-is-well-tolerated-and-safe-in-healthy-dogs-a-blind-randomized-placebo-controlled-study
#6
E Maina, M Pelst, M Hesta, E Cox
BACKGROUND: Food allergies are increasing in prevalence but no treatment strategies are currently available to cure dogs with food allergy. Over the past decade, experimental food allergen-specific sublingual immunotherapy (FA-SLIT) has emerged as a potential treatment for food allergies in human medicine. However, FA-SLIT has not been investigated in dogs. Therefore, the objective of this study was to prospectively evaluate the safety, tolerability and dispenser sterility of FA-SLIT in healthy dogs before testing it in food allergic dogs...
January 18, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28099783/ketosis-and-diabetic-ketoacidosis-in-response-to-sglt2-inhibitors-basic-mechanisms-and-therapeutic-perspectives
#7
REVIEW
Hongyu Qiu, Aleksandra Novikov, Volker Vallon
Inhibitors of the sodium-glucose cotransporter SGLT2 are a new class of anti-hyperglycemic drugs that have been approved for the treatment of type 2 diabetes mellitus (T2DM). These drugs inhibit glucose reabsorption in the proximal tubules of the kidney thereby enhancing glucosuria and lowering blood glucose levels. Additional consequences and benefits include a reduction in body weight, uric acid levels, and blood pressure. Moreover, SGLT2 inhibition can have protective effects on the kidney and cardiovascular system in patients with T2DM and high cardiovascular risk...
January 18, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28099665/adherence-to-dietary-recommendations-for-preschoolers-clinical-trial-with-teenage-mothers
#8
Betina Soldateli, Alvaro Vigo, Elsa Regina Justo Giugliani
OBJECTIVE: To assess the effect of educational dietary intervention offered in the child's first year of life, as well as teenage mothers and grandmothers in carrying out the dietary recommendations at four to seven years. METHODS: Randomized clinical trial initiated in 2006, in Porto Alegre, RS, involving 323 teenage mothers and grandmothers who cohabited. The intervention consisted of six counseling sessions on breastfeeding and healthy complementary feeding. The first session occurred in the maternity ward and the other ones in the households of mothers at seven, 15, 30, 60, and 120 days of the child's life...
December 22, 2016: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28098800/characterization-of-the-transcriptome-and-gene-expression-of-brain-tissue-in-sevenband-grouper-hyporthodus-septemfasciatus-in-response-to-nnv-infection
#9
Jong-Oh Kim, Jae-Ok Kim, Wi-Sik Kim, Myung-Joo Oh
Grouper is one of the favorite sea food resources in Southeast Asia. However, the outbreaks of the viral nervous necrosis (VNN) disease due to nervous necrosis virus (NNV) infection have caused mass mortality of grouper larvae. Many aqua-farms have suffered substantial financial loss due to the occurrence of VNN. To better understand the infection mechanism of NNV, we performed the transcriptome analysis of sevenband grouper brain tissue, the main target of NNV infection. After artificial NNV challenge, transcriptome of brain tissues of sevenband grouper was subjected to next generation sequencing (NGS) using an Illumina Hi-seq 2500 system...
January 13, 2017: Genes
https://www.readbyqxmd.com/read/28098786/retinoic-acid-and-its-role-in-modulating-intestinal-innate-immunity
#10
REVIEW
Paulo Czarnewski, Srustidhar Das, Sara M Parigi, Eduardo J Villablanca
Vitamin A (VA) is amongst the most well characterized food-derived nutrients with diverse immune modulatory roles. Deficiency in dietary VA has not only been associated with immune dysfunctions in the gut, but also with several systemic immune disorders. In particular, VA metabolite all-trans retinoic acid (atRA) has been shown to be crucial in inducing gut tropism in lymphocytes and modulating T helper differentiation. In addition to the widely recognized role in adaptive immunity, increasing evidence identifies atRA as an important modulator of innate immune cells, such as tolerogenic dendritic cells (DCs) and innate lymphoid cells (ILCs)...
January 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28098598/science-of-intracrinology-in-postmenopausal-women
#11
Fernand Labrie, Alain Bélanger, Georges Pelletier, Céline Martel, David F Archer, Wulf H Utian
OBJECTIVE: To illustrate the marked differences between classical endocrinology that distributes hormones to all tissues of the body through the bloodstream and the science of intracrinology, whereby each cell of each peripheral tissue makes a small and appropriate amount of estrogens and androgens from the inactive precursor dehydroepiandrosterone (DHEA), DHEA being mainly of adrenal origin. Because only the inactivated sex steroids are released in the blood, influence in the other tissues is avoided...
January 16, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28098291/investigation-into-the-bioavailability-of-milk-protein-derived-peptides-with-dipeptidyl-peptidase-iv-inhibitory-activity-using-caco-2-cell-monolayers
#12
Isabelle M E Lacroix, Xiu-Min Chen, David D Kitts, Eunice C Y Li-Chan
In recent years, peptides derived from a variety of dietary proteins have been reported to exhibit inhibitory activity against the dipeptidyl-peptidase IV (DPP-IV) enzyme, a target in the management of type 2 diabetes. While much attention has been given to the production and identification of peptides with DPP-IV inhibitory activity from food proteins, particularly dairy proteins, little is known on the bioavailability of these molecules. In this study, the stability and transport of five previously identified milk-derived peptides (LKPTPEGDL, LPYPY, IPIQY, IPI and WR) and a whey protein isolate (WPI) digest with DPP-IV-inhibitory activity were investigated using Caco-2 cell monolayers as a model system for human intestinal absorption...
January 18, 2017: Food & Function
https://www.readbyqxmd.com/read/28097916/exploring-the-first-rimonabant-analog-opioid-peptide-hybrid-compound-as-bivalent-ligand-for-cb1-and-opioid-receptors
#13
Adriano Mollica, Sveva Pelliccia, Valeria Famiglini, Azzurra Stefanucci, Giorgia Macedonio, Annalisa Chiavaroli, Giustino Orlando, Luigi Brunetti, Claudio Ferrante, Stefano Pieretti, Ettore Novellino, Sandor Benyhe, Ferenc Zador, Anna Erdei, Edina Szucs, Reza Samavati, Szalbolch Dvrorasko, Csaba Tomboly, Rino Ragno, Alexandros Patsilinakos, Romano Silvestri
Cannabinoid (CB) and opioid systems are both involved in analgesia, food intake, mood and behavior. Due to the co-localization of µ-opioid (MOR) and CB1 receptors in various regions of the central nervous system (CNS) and their ability to form heterodimers, bivalent ligands targeting to both these systems may be good candidates to investigate the existence of possible cross-talking or synergistic effects, also at sub-effective doses. In this work, we selected from a small series of new Rimonabant analogs one CB1R reverse agonist to be conjugated to the opioid fragment Tyr-D-Ala-Gly-Phe-NH2...
December 2017: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/28097837/food-and-beverage-advertising-on-children-s-tv-channels-in-argentina-frequency-duration-and-nutritional-quality
#14
Alicia Rovirosa, María E Zapata, Paula Gómez, Susana Gotthelf, Daniel Ferrante
: Food and beverage marketing has been identified as one of the determinants of unhealthy food and beverage consumption in the child population. OBJECTIVE: To determine the frequency and duration of food and beverage advertising in children's programming and the nutritional quality of advertised food and beverages. METHODS: Descriptive, cross-sectional study. Children's cable and broadcast channel programming was recorded in two periods: over the week and on the weekend...
1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28097162/antioxidant-activity-of-polyphenolic-myricetin-in-vitro-cell-free-and-cell-based-systems
#15
Abolfazl Barzegar
Myricetin (Myc) is one of the most important flavonoids in diet due to its abundance in foods with the highest antioxidant activity. The antioxidant activity of Myc was studied in cell-free and cell-based systems to evaluate the ROS protection efficiency of Myc. The studies were based on the assessment of reducing power of Myc according to ferric ion reduction and intracellular ROS level measurement by assaying the cellular fluorescence intensity using dichlorodihydrofluorescein (DCF) probe as an indicator for ROS in cells...
June 2016: Molecular Biology Research Communications
https://www.readbyqxmd.com/read/28096383/fragility-of-the-provision-of-local-public-goods-to-private-and-collective-risks
#16
Juan-Camilo Cárdenas, Marco A Janssen, Manita Ale, Ram Bastakoti, Adriana Bernal, Juthathip Chalermphol, Yazhen Gong, Hoon Shin, Ganesh Shivakoti, Yibo Wang, John M Anderies
Smallholder agricultural systems, strongly dependent on water resources and investments in shared infrastructure, make a significant contribution to food security in developing countries. These communities are being increasingly integrated into the global economy and are exposed to new global climate-related risks that may affect their willingness to cooperate in community-level collective action problems. We performed field experiments on public goods with private and collective risks in 118 small-scale rice-producing communities in four countries...
January 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28095853/crispri-mediated-metabolic-engineering-of-e-coli-for-o-methylated-anthocyanin-production
#17
Brady F Cress, Quentin D Leitz, Daniel C Kim, Teresita D Amore, Jon Y Suzuki, Robert J Linhardt, Mattheos A G Koffas
BACKGROUND: Anthocyanins are a class of brightly colored, glycosylated flavonoid pigments that imbue their flower and fruit host tissues with hues of predominantly red, orange, purple, and blue. Although all anthocyanins exhibit pH-responsive photochemical changes, distinct structural decorations on the core anthocyanin skeleton also cause dramatic color shifts, in addition to improved stabilities and unique pharmacological properties. In this work, we report for the first time the extension of the reconstituted plant anthocyanin pathway from (+)-catechin to O-methylated anthocyanins in a microbial production system, an effort which requires simultaneous co-option of the endogenous metabolites UDP-glucose and S-adenosyl-L-methionine (SAM or AdoMet)...
January 17, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28095770/the-unique-genomic-landscape-surrounding-the-epsps-gene-in-glyphosate-resistant-amaranthus-palmeri-a-repetitive-path-to-resistance
#18
William T Molin, Alice A Wright, Amy Lawton-Rauh, Christopher A Saski
BACKGROUND: The expanding number and global distributions of herbicide resistant weedy species threaten food, fuel, fiber and bioproduct sustainability and agroecosystem longevity. Amongst the most competitive weeds, Amaranthus palmeri S. Wats has rapidly evolved resistance to glyphosate primarily through massive amplification and insertion of the 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) gene across the genome. Increased EPSPS gene copy numbers results in higher titers of the EPSPS enzyme, the target of glyphosate, and confers resistance to glyphosate treatment...
January 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28095410/cardiomyocyte-regulation-of-systemic-lipid-metabolism-by-the-apolipoprotein-b-containing-lipoproteins-in-drosophila
#19
Sunji Lee, Hong Bao, Zachary Ishikawa, Weidong Wang, Hui-Ying Lim
The heart has emerged as an important organ in the regulation of systemic lipid homeostasis; however, the underlying mechanism remains poorly understood. Here, we show that Drosophila cardiomyocytes regulate systemic lipid metabolism by producing apolipoprotein B-containing lipoproteins (apoB-lipoproteins), essential lipid carriers that are so far known to be generated only in the fat body. In a Drosophila genetic screen, we discovered that when haplo-insufficient, microsomal triglyceride transfer protein (mtp), required for the biosynthesis of apoB-lipoproteins, suppressed the development of diet-induced obesity...
January 17, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28094949/how-high-concentrations-of-proteins-stabilize-the-amorphous-state-of-calcium-orthophosphate-a-solid-state-nmr-study-of-the-casein-case
#20
Paulo De Sa Peixoto, Juliana Valle Costa Silva, Guillaume Pierre Laurent, Marc Schmutz, Daniel Thomas, Antoine Bouchoux, Genevieve Gesan-Guiziou
Understanding how proteins stabilize Amorphous Calcium ortho-Phosphate (ACP) phases is of great importance in biology and for pharmaceutical or food applications. Until now, most of the former investigations about ACP-protein stability and equilibrium were performed in conditions where ACP colloidal nanoclusters are surrounded by low to moderate concentrations of peptides or proteins (15-30 g.L-1). As a result, the question of ACP-protein interactions in highly concentrated protein systems has clearly been overlooked, whereas it corresponds to actual industrial conditions such as drying or membrane filtration in the dairy industry for instance...
January 17, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
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