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https://www.readbyqxmd.com/read/29241236/diving-and-antidepressants
#1
Abraham L Querido
Psychoactive drugs pose a risk to both the diver and his or her buddy. Little is known about the safety of diving with antidepressants. Amongst the potential interactions with the diving environment are: somnolence; convulsions; a bleeding tendency (potentially worsening decompression illness, DCI), alterations to glucose metabolism and psychiatric side effects. Fluoxetine may potentially reduce the inflammatory process associated with DCI. This article presents guidelines for recreational diving in combination with antidepressants...
December 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/29241206/a-multicenter-experience-with-long-acting-somatostatin-analogues-in-patients-with-congenital-hyperinsulinism
#2
Ivo van der Steen, Mirjam E van Albada, Klaus Mohnike, Henrik Thybo Christesen, Susann Empting, Maria Salomon-Estebanez, Amalie Greve Rasmussen, Annemarie Verrijn Stuart, Annelieke A A van der Linde, Indraneel Banerjee, Annemieke M Boot
BACKGROUND/AIMS: Congenital hyperinsulinism (CHI) is a rare disease characterized by recurrent severe hypoglycemia. In the diffuse form of CHI, pharmacotherapy is the preferred choice of treatment. Long-acting somatostatin analogues have been used in children as off-label medication. However, the efficacy, outcomes, and adverse effect profiles of long-acting somatostatin analogues have not been described in multicentered studies. The aim of this retrospective study is to summarize the experience with long-acting somatostatin analogues in a large group of children with CHI...
December 14, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/29241197/renoprotective-effects-of-metformin
#3
Marc E De Broe, Farshad Kajbaf, Jean-Daniel Lalau
BACKGROUND/AIMS: It has become clear that metformin exerts pleiotropic actions beyond its glucose-lowering agent effect. In this review, we summarise the state of the art concerning the potential renoprotective effects of metformin in vitro, animal models and clinical nephrology. METHODS: A literature search was performed in PUBMED, ScienceDirect, between January 1957 and March 2017 using the following keywords: "metformin," "nephroprotection," "renoprotection," "survival," "renal failure," "chronic kidney diseases," "fibrosis," "polycystic kidney disease" and "microalbuminuria...
December 14, 2017: Nephron
https://www.readbyqxmd.com/read/29241180/high-mobility-group-box1-inhibitor-glycyrrhizic-acid-attenuates-kidney-injury-in-streptozotocin-induced-diabetic-rats
#4
Hong Zhang, Ru Zhang, Juan Chen, Min Shi, Wei Li, Xiangcheng Zhang
BACKGROUND/AIMS: High mobility group box 1 (HMGB1) is an important mediator of the inflammatory response. It has been implicated in the pathogenesis of autoimmune diseases, atherosclerosis, and obesity. However, the effects of HMGB1 on diabetic nephropathy remain unclear. Here, we investigated the potential roles and mechanisms of an HMGB1 inhibitor, glycyrrhizic acid (GA), in renal injury with the streptozotocin (STZ)-induced rat model. METHODS: The diabetic rat was generated by intraperitoneal injection of STZ and then treated with the HMGB1 inhibitor GA or saline for 8 weeks...
November 15, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29241148/obesity-exacerbates-the-acute-metabolic-side-effects-of-olanzapine
#5
Logan K Townsend, Willem T Peppler, Natasha D Bush, David C Wright
Olanzapine is a second-generation antipsychotic used in the management of schizophrenia and various off-label conditions. The acute metabolic responses of olanzapine recapitulate many of the side effects associated with obesity. Obesity rates are high in the schizophrenic population, but it is unknown whether pre-existing obesity-associated metabolic dysfunction augments the acute side effects of olanzapine. To address this question, we compared the responses to olanzapine in lean and high-fat diet-induced (HFD) obese mice...
December 8, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29241070/protocatechuic-acid-ameliorates-high-glucose-induced-extracellular-matrix-accumulation-in-diabetic-nephropathy
#6
Yali Ma, Fang Chen, Suxia Yang, Baoping Chen, Jun Shi
Protocatechuic acid (PCA), a phenolic compound of anthocyanins, was reported to possess various pharmacologic properties, including anti-oxidant, anti-inflammatory, anti-apoptosis, anti-diabetic and anti-tumor activities. However, the role of PCA in diabetic nephropathy remains elusive. The present study was conducted to evaluate the effects of PCA on extracellular matrix (ECM) accumulation in high glucose (HG)-induced human mesangial cells (MCs) and explore the possible mechanism. Our results demonstrated that PCA obviously inhibited HG-induced proliferation of MCs in a dose-dependent manner...
December 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29241065/associations-between-maternal-triclosan-concentrations-in-early-pregnancy-and-gestational-diabetes-mellitus-impaired-glucose-tolerance-gestational-weight-gain-and-fetal-markers-of-metabolic-function
#7
Gabriel D Shapiro, Tye E Arbuckle, Jillian Ashley-Martin, William D Fraser, Mandy Fisher, Maryse F Bouchard, Patricia Monnier, Anne-Sophie Morisset, Adrienne S Ettinger, Linda Dodds
BACKGROUND: Triclosan is a phenolic biocide used in a multitude of consumer products and in health care settings. It is widely detected in the American and Canadian populations and has been shown in animal models to act as an endocrine disrupting agent. However, there has been little examination to date of the effects of triclosan exposure in pregnancy on perinatal metabolic outcomes in human populations. METHODS: Using data from the Maternal-Infant Research on Environmental Chemicals (MIREC) Study, a Canadian pregnancy cohort, we measured associations of first-trimester urinary triclosan concentrations with total gestational weight gain, gestational diabetes mellitus and impaired glucose tolerance in pregnancy, and fetal markers of metabolic function...
December 11, 2017: Environmental Research
https://www.readbyqxmd.com/read/29240973/a-breathing-atrp-fully-oxygen-tolerant-polymerization-inspired-by-aerobic-respiration-of-cells
#8
Krzysztof Matyjaszewski, Liye Fu Fu, Alan Russell Russell, Alan E E Enciso
The first well-controlled aqueous atom transfer radical polymerization (ATRP) conducted in the open air was enabled by the continuous conversion of oxygen to carbon dioxide catalyzed by glucose oxidase (GOx), with glucose and sodium pyruvate as sequential sacrificial substrates. Controlled initiators for continuous activator regeneration (ICAR) ATRP of oligo(ethylene oxide) methyl ether methacrylate (OEOMA, Mn=500), yielded polymers with low dispersity (1.09≤Đ ≤1.29) and molecular weights (MW) close to theoretical with pyruvate...
December 14, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/29240830/a-low-fat-diet-ameliorates-pathology-but-retains-beneficial-effects-associated-with-cpt1b-knockout-in-skeletal-muscle
#9
Jaycob D Warfel, Bolormaa Vandanmagsar, Shawna E Wicks, Jingying Zhang, Robert C Noland, Randall L Mynatt
Inhibiting fatty acid oxidation is one approach to lowering glucose levels in diabetes. Skeletal muscle specific Carnitine Palmitoyltransferase 1b knockout mice (Cpt1bm-/-) comprise a model of impaired fat oxidation; and have decreased fat mass and enhanced glucose disposal and muscle oxidative capacity compared to controls. However, unfavorable effects occur relative to controls when Cpt1bm-/- mice are fed a 25% fat diet, including decreased activity and fat free mass and increased intramuscular lipid and serum myoglobin...
2017: PloS One
https://www.readbyqxmd.com/read/29240812/effects-of-vaspin-on-pancreatic-%C3%AE-cell-secretion-via-pi3k-akt-and-nf-%C3%AE%C2%BAb-signaling-pathways
#10
Shiwei Liu, Xin Li, Yaru Wu, Ruixue Duan, Jiaxin Zhang, Fang Du, Qi Zhang, Yuanbin Li, Naishi Li
Vaspin (visceral adipose tissue-derived serine protease inhibitor) is a recently discovered adipokine that has been implicated in diabetes mellitus and other metabolic disorders. However, the effects of vaspin on pancreatic β cell function and related mechanisms are not fully understood. Thus, the present study was performed to investigate the effects of vaspin on pancreatic β cell function and the potential underlying mechanisms. Both in vitro (rat insulinoma cells, INS-1) and in vivo (high fat diet fed rats) experiments were conducted...
2017: PloS One
https://www.readbyqxmd.com/read/29240802/systemic-factors-related-to-soluble-pro-renin-receptor-in-plasma-of-patients-with-proliferative-diabetic-retinopathy
#11
Keitaro Hase, Atsuhiro Kanda, Ikuyo Hirose, Kousuke Noda, Susumu Ishida
(Pro)renin receptor [(P)RR], a new component of the tissue renin-angiotensin system (RAS), plays a crucial role in inflammation and angiogenesis in the eye, thus contributing to the development of proliferative diabetic retinopathy (PDR). In this study, we investigated systemic factors related to plasma levels of soluble form of (P)RR [s(P)RR] in patients with PDR. Twenty type II diabetic patients with PDR and 20 age-matched, non-diabetic patients with idiopathic macular diseases were enrolled, and plasma levels of various molecules were measured by enzyme-linked immunosorbent assays...
2017: PloS One
https://www.readbyqxmd.com/read/29240782/conservation-and-divergence-of-starch-synthase-iii-genes-of-monocots-and-dicots
#12
Bhavya Priyadarshini Mishra, Rajeev Kumar, Amita Mohan, Kulvinder S Gill
Starch Synthase (SS) plays an important role in extending the α-1,4 glucan chains during starch biosynthesis by catalyzing the transfer of the glucosyl moiety from ADP-glucose to the non-reducing end of a pre-existing glucan chain. SS has five distinct isoforms of which SSIII is involved in the formation of longer glucan chain length. Here we report identification and detailed characterization of 'true' orthologs of the well-characterized maize SSIII (ZmSSIII), among six monocots and two dicot species. ZmSSIII orthologs have nucleotide sequence similarity ranging from 56-81%...
2017: PloS One
https://www.readbyqxmd.com/read/29240779/impact-of-maternal-high-fat-diet-on-hypothalamic-transcriptome-in-neonatal-sprague-dawley-rats
#13
Sanna Barrand, Tamsyn M Crowley, Ryan J Wood-Bradley, Kirstie A De Jong, James A Armitage
Maternal consumption of a high fat diet during early development has been shown to impact the formation of hypothalamic neurocircuitry, thereby contributing to imbalances in appetite and energy homeostasis and increasing the risk of obesity in subsequent generations. Early in postnatal life, the neuronal projections responsible for energy homeostasis develop in response to appetite-related peptides such as leptin. To date, no study characterises the genome-wide transcriptional changes that occur in response to exposure to high fat diet during this critical window...
2017: PloS One
https://www.readbyqxmd.com/read/29240773/polypyridylruthenium-ii-complexes-exert-anti-schistosome-activity-and-inhibit-parasite-acetylcholinesterases
#14
Madhu K Sundaraneedi, Bemnet Tedla, Ramon M Eichenberger, Luke Becker, Darren Pickering, Michael J Smout, Siji Rajan, Phurpa Wangchuk, F Richard Keene, Alex Loukas, J Grant Collins, Mark S Pearson
BACKGROUND: Schistosomiasis affects over 200 million people and there are concerns whether the current chemotherapeutic control strategy (periodic mass drug administration with praziquantel (PZQ)-the only licenced anti-schistosome compound) is sustainable, necessitating the development of new drugs. METHODOLOGY/PRINCIPAL FINDINGS: We investigated the anti-schistosome efficacy of polypyridylruthenium(II) complexes and showed they were active against all intra-mammalian stages of S...
December 14, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29240713/nb-based-zeolites-efficient-bi-functional-catalysts-for-the-one-pot-synthesis-of-succinic-acid-from-glucose
#15
Magdi El Fergani, Natalia Candu, Simona M Coman, Vasile I Parvulescu
The one-pot production of succinic acid from glucose was investigated in pure hot water as solvent using Nb (0.02 and 0.05 moles%)-Beta zeolites obtained by a post-synthesis methodology. Structurally, they are comprised of residual framework Al-acid sites, extra-framework isolated Nb (V) and Nb₂O₅ pore-encapsulated clusters. The Nb-modified Beta-zeolites acted as bi-functional catalysts in which glucose is dehydrated to levulinic acid (LA) which, further, suffers an oxidation process to succinic acid (SA)...
December 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29240275/metabolic-stress-induces-modifications-in-the-epigenetic-program-of-preimplantation-bovine-embryos
#16
R Tremblay, I Dufort, M A Sirard
The mammalian embryo is sensitive to and adapts to its metabolic environment. The mother's metabolic health and nutrient availability, for example, can modulate the oviductal fluid composition and thus embryo development. In this project, we induced energetic stress in bovine embryos during early culture to observe the epigenetic responses associated with metabolic stress, using a treatment paradigm known to decrease blastocyst rates. Embryos were generated using oocytes from slaughtered cows, and then exposed to an elevated glucose concentration (5 mM versus 0...
December 14, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/29240263/cytochemical-flow-analysis-of-intracellular-g6pd-and-aggregate-analysis-of-mosaic-g6pd-expression
#17
Michael Kalnoky, Germana Bancone, Maria Kahn, Cindy S Chu, Nongnud Chowwiwat, Pornpimon Wilaisrisak, Sampa Pal, Nicole LaRue, Brandon Leader, Francois Nosten, Gonzalo J Domingo
BACKGROUND: Medicines that exert oxidative pressure on red blood cells (RBC) can cause severe hemolysis in patients with glucose-6-phosphate dehydrogenase (G6PD) deficiency. Due to X-chromosome inactivation, females heterozygous for G6PD with one allele encoding a G6PD deficient protein and the other a normal protein produce two RBC populations each expressing exclusively one allele. The G6PD mosaic is not captured with routine G6PD tests. METHODS: An open-source software tool for G6PD cytofluorometric data interpretation is described...
December 14, 2017: European Journal of Haematology
https://www.readbyqxmd.com/read/29240224/metabolic-characterization-of-anaerobic-fungi-provides-a-path-forward-for-bioprocessing-of-crude-lignocellulose
#18
John K Henske, St Elmo Wilken, Kevin V Solomon, Chuck R Smallwood, Vaithiyalingam Shutthanandan, James E Evans, Michael K Theodorou, Michelle A O'Malley
The conversion of lignocellulose-rich biomass to bio-based chemicals and higher order fuels remains a grand challenge, as single-microbe approaches often cannot drive both deconstruction and chemical production steps. In contrast, consortia based bioprocessing leverages the strengths of different microbes to distribute metabolic loads and achieve process synergy, product diversity, and bolster yields. Here, we describe a biphasic fermentation scheme that combines the lignocellulolytic action of anaerobic fungi isolated from large herbivores with domesticated microbes for bioproduction...
December 14, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29239888/eleven-year-incident-glucose-disorders-in-treated-hiv-infection-the-st-vincent-s-hiv-and-diabetes-study
#19
Chelsea N McMahon, Kathy Petoumenos, Karl Hesse, Andrew Carr, David A Cooper, Katherine Samaras
OBJECTIVES: To determine the long-term incidence of glucose disorders in treated HIV-infection, associations with traditional and HIV-specific risk factors and whether glycemic status predicts mortality. METHODS: Observational cohort of 104 men with treated HIV-infection and without diabetes, aged 43 ± 8y at baseline, with (mean ± SD) 11 8 ± 3 5y follow-up, with ascertainment of glucose status by fasting glucose or, in a subset (n = 33), a 75 g oral glucose tolerance test by 10-12 years follow-up...
December 12, 2017: AIDS
https://www.readbyqxmd.com/read/29239862/co3o4-based-nonenzymatic-glucose-sensor-with-high-sensitivity-and-reliable-stability-derived-from-hollow-hierarchical-architecture
#20
Liangliang Tian, Gege He, Yanhua Cai, Shenping Wu, Yongyao Su, Hengqing Yan, Cong Yang, Yanling Chen, Lu Li
Inspired by kinetics, the design of hollow hierarchical electrocatalysts through large-scale integration of building blocks is recognized as an effective approach to achieve superior electrocatalytic performance. In this work, Co3O4 hollow hierarchical architecture (Co3O4 HHA) was constructed through coordinating etching and precipitating (CEP) method followed by calcination. The Co3O4 HHA electrode exhibits excellent electrocatalytic activity in terms of high sensitivity (839.3 µA mM-1 cm-2) and reliable stability towards the detection of glucose...
December 14, 2017: Nanotechnology
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