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M A Nenke, J G Lewis, W Rankin, D J Torpy
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September 2016: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
Ranjana Khetarpal, Veena Chatrath, Jagjit Kaur, Anju Bala, Harjeet Singh
BACKGROUND: Intravenous (IV) fluids are an integral part of perioperative management. Intraoperative hyperglycemia is associated with poor clinical outcomes in patients undergoing major surgeries even in nondiabetics. AIM: This study was conducted to observe the effect of different maintenance fluid regimens on intraoperative blood glucose levels in nondiabetic patients undergoing major surgeries under general anesthesia. SETTINGS AND DESIGN: Randomized double-blind study...
September 2016: Anesthesia, Essays and Researches
Anjana Hulse, Suahma Rai, K M Prasanna Kumar
BACKGROUND: In children with type 1 diabetes, intensive diabetes management has been demonstrated to reduce long-term microvascular complications. At present, self-monitoring of blood glucose (SMBG) by patients at home and glycated hemoglobin estimation every 3 months are used to monitor glycemic control in children. Recently, ambulatory glucose profile (AGP) is increasingly being used to study the glycemic patterns in adults. However, accuracy and reliability of AGP in children have not been evaluated yet...
September 2016: Indian Journal of Endocrinology and Metabolism
Lumír Ondřej Hanuš, Stefan Martin Meyer, Eduardo Muñoz, Orazio Taglialatela-Scafati, Giovanni Appendino
Covering up to January 2016Cannabis sativa L. is a prolific, but not exclusive, producer of a diverse group of isoprenylated resorcinyl polyketides collectively known as phytocannabinoids. The modular nature of the pathways that merge into the phytocannabinoid chemotype translates in differences in the nature of the resorcinyl side-chain and the degree of oligomerization of the isoprenyl residue, making the definition of phytocannabinoid elusive from a structural standpoint. A biogenetic definition is therefore proposed, splitting the phytocannabinoid chemotype into an alkyl- and a β-aralklyl version, and discussing the relationships between phytocannabinoids from different sources (higher plants, liverworts, fungi)...
October 10, 2016: Natural Product Reports
Michael Hang Yang, Melanie Jaeger, Michael Baxter, Elizabeth VanDenKerkhof, Janet van Vlymen
PURPOSE: Elevated glycosylated hemoglobin (HbA1c) is often found in surgical patients with no history of diabetes. The purpose of this prospective observational study was to determine if elevated preoperative HbA1c is associated with postoperative hyperglycemia in non-diabetic surgical patients and to identify predictors of elevated HbA1c. METHODS: This study included 257 non-diabetic adults scheduled for inpatient surgery. Preoperatively, capillary blood glucose (CBG) and HbA1c were measured and patients completed the Canadian Diabetes Risk Questionnaire (CANRISK)...
October 3, 2016: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
E Wójcik, E Smalec
Constitutive heterochromatin is a highly condensed fraction of chromatin in chromosomes. It is characterized by a high degree of polymorphism. Heterochromatin is located in the centromeric, telomeric, and interstitial parts of chromosomes. We used the CBG ( C: banding using B: arium hydroxide by G: iemsa) staining technique to identify heterochromatin in chromosomes. Analysis of karyotypes of F1 hybrids resulting from intergeneric hybridization of ducks (A. platyrhynchos × C. moschata) and interspecific crosses of geese (A...
September 23, 2016: Poultry Science
Madeleine J Swortwood, Matthew N Newmeyer, Maria Andersson, Osama A Abulseoud, Karl B Scheidweiler, Marilyn A Huestis
Oral fluid (OF) is an important matrix for monitoring drugs. Smoking cannabis is common, but vaporization and edible consumption also are popular. OF pharmacokinetics are available for controlled smoked cannabis, but few data exist for vaporized and oral routes. Frequent and occasional cannabis smokers were recruited as participants for four dosing sessions including one active (6.9% Δ(9) -tetrahydrocannabinol, THC) or placebo cannabis-containing brownie, followed by one active or placebo cigarette, or one active or placebo vaporized cannabis dose...
September 19, 2016: Drug Testing and Analysis
Hesam Montazeri, Jack Kuipers, Roger Kouyos, Jürg Böni, Sabine Yerly, Thomas Klimkait, Vincent Aubert, Huldrych F Günthard, Niko Beerenwinkel
UNLABELLED: The continuous time conjunctive Bayesian network (CT-CBN) is a graphical model for analyzing the waiting time process of the accumulation of genetic changes (mutations). CT-CBN models have been successfully used in several biological applications such as HIV drug resistance development and genetic progression of cancer. However, current approaches for parameter estimation and network structure learning of CBNs can only deal with a small number of mutations (<20). Here, we address this limitation by presenting an efficient and accurate approximate inference algorithm using a Monte Carlo expectation-maximization algorithm based on importance sampling...
September 1, 2016: Bioinformatics
Shuai-Cheng Wu, Peng-Fei Yi, Xun Guo, Li-Yan Zhang, Dao-Xiu Xu, Yun-Xing Fu, Zhen-Qiang Cui, Hai-Qing Shen, Xu-Bin Wei, Ben-Dong Fu
Cinobufagin (CBG), one active ingredient isolated from Venenum Bufonis, has been demonstrated to have immunoregulatory effect. The aim of this study was to investigate whether CBG can enhance the protective efficacy of formalin-inactivated Salmonella typhimurium (FIST) in mice. ICR mice were immunized with FIST (10(6) CFU/mouse) alone or mixed with CBG (10, 20, and 40 μg) or alum (200 μg) on day 1 and day 15. Two weeks after the second immunization, serum and spleen were sampled for measuring FIST-specific antibody levels, cytokine levels, and splenocyte proliferation...
October 2016: Microbial Pathogenesis
Evan A Los, Katrina L Ramsey, Ines Guttmann-Bauman, Andrew J Ahmann
BACKGROUND: We examined the reliability of trained dogs to alert to hypoglycemia in individuals with type 1 diabetes. METHODS: Patients with type 1 diabetes who currently used diabetes alert dogs participated in this exploratory study. Subjects reported satisfaction, perceived dog glucose sensing ability and reasons for obtaining a trained dog. Reliability of dog alerts was assessed using capillary blood glucose (CBG) and blinded continuous glucose monitoring (CGM) as comparators in 8 subjects (age 4-48)...
August 28, 2016: Journal of Diabetes Science and Technology
Gregory C Jones, Zhou M Chong, Jennifer Gilmour, Christine Matheson, Gordon MacGregor, Christopher A R Sainsbury
INTRODUCTION: Mortality in patients with cystic fibrosis-related diabetes (CFRD) is higher than that in patients with cystic fibrosis without diabetes. Hypoglycemia, hyperglycemia, and glucose variability confer excess mortality and morbidity in the general inpatient population with diabetes. METHODS: We investigated patterns of hypoglycemia and the association of hypoglycemia, hyperglycemia, and glucose variability with mortality and readmission rate in inpatients with CFRD...
September 2016: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
Karl B Scheidweiler, Maria Andersson, Madeleine J Swortwood, Cristina Sempio, Marilyn A Huestis
Cannabinoid stability in oral fluid (OF) is important for assuring accurate results since OF has become a valid alternative matrix of choice for drug testing. We previously published OF cannabinoid stability studies using Quantisal™, Oral-Eze®, and StatSure™ devices stored at room temperature for 1 week, 4 °C for up to 4 weeks and in -20 °C up to 24 weeks. Extending refrigerated stability up to 3 months would be helpful for clinical and forensic testing, for reanalysis of OF samples and for batching research analyses...
August 18, 2016: Drug Testing and Analysis
Shanshan Xie, Laura Spelmink, Mario Codemo, Karthik Subramanian, Katrin Pütsep, Birgitta Henriques-Normark, Marie Olliver
The traditional Chinese medicine Chan-Su is widely used for treatment of cancer and cardiovascular diseases, but also as a remedy for infections such as furunculosis, tonsillitis and acute pharyngitis. The clinical use of Chan-Su suggests that it has anti-infective effects, however, the mechanism of action is incompletely understood. In particular, the effect on the human immune system is poorly defined. Here, we describe previously unrecognized immunomodulatory activities of cinobufagin (CBG), a major bioactive component of Chan-Su...
2016: PloS One
Daniel I Brierley, James Samuels, Marnie Duncan, Benjamin J Whalley, Claire M Williams
RATIONALE: The appetite-stimulating properties of cannabis are well documented and have been predominantly attributed to the hyperphagic activity of the psychoactive phytocannabinoid, ∆(9)-tetrahydrocannabinol (∆(9)-THC). However, we have previously shown that a cannabis extract devoid of ∆(9)-THC still stimulates appetite, indicating that other phytocannabinoids also elicit hyperphagia. One possible candidate is the non-psychoactive phytocannabinoid cannabigerol (CBG), which has affinity for several molecular targets with known involvement in the regulation of feeding behaviour...
October 2016: Psychopharmacology
John Molitor, Eric Coker, Michael Jerrett, Beate Ritz, Arthur Li
The highly intercorrelated nature of air pollutants makes it difficult to examine their combined effects on health. As such, epidemiological studies have traditionally focused on single-pollutant models that use regression-based techniques to examine the marginal association between a pollutant and a health outcome. These relatively simple, additive models are useful for discerning the effect of a single pollutant on a health outcome with all other pollutants held to fixed values. However, pollutants occur in complex mixtures consisting of highly correlated combinations of individual exposures...
April 2016: Research Report (Res Rep Health Eff Inst)
James M Hawley, Laura J Owen, Stephen J Lockhart, Phillip J Monaghan, Annie Armston, Carrie A Chadwick, Heather Wilshaw, Maisa Freire, Leslie Perry, Brian G Keevil
BACKGROUND: Accurate serum cortisol quantification is required for the correct diagnosis and management of adrenal pathologies. Presently, most laboratories use immunoassay to measure serum cortisol with proficiency schemes demonstrating a wide dispersion of results. Here, we investigate the effects of sex, matrix, and antibody specificity on serum cortisol quantification in 6 routine assays. METHODS: Surplus serum was obtained before disposal and the following cohorts were created: males, nonpregnant females, pregnant patients, and patients prescribed either metyrapone or prednisolone...
September 2016: Clinical Chemistry
Javier Díaz-Alonso, Juan Paraíso-Luna, Carmen Navarrete, Carmen Del Río, Irene Cantarero, Belén Palomares, José Aguareles, Javier Fernández-Ruiz, María Luz Bellido, Federica Pollastro, Giovanni Appendino, Marco A Calzado, Ismael Galve-Roperh, Eduardo Muñoz
Cannabinoids have shown to exert neuroprotective actions in animal models by acting at different targets including canonical cannabinoid receptors and PPARγ. We previously showed that VCE-003, a cannabigerol (CBG) quinone derivative, is a novel neuroprotective and anti-inflammatory cannabinoid acting through PPARγ. We have now generated a non-thiophilic VCE-003 derivative named VCE-003.2 that preserves the ability to activate PPARγ and analyzed its neuroprotective activity. This compound exerted a prosurvival action in progenitor cells during neuronal differentiation, which was prevented by a PPARγ antagonist, without affecting neural progenitor cell proliferation...
2016: Scientific Reports
Maria Andersson, Karl B Scheidweiler, Cristina Sempio, Allan J Barnes, Marilyn A Huestis
A comprehensive cannabinoid urine quantification method may improve clinical and forensic result interpretation and is necessary to support our clinical research. A liquid chromatography tandem mass spectrometry quantification method for ∆(9)-tetrahydrocannabinol (THC), 11-hydroxy-THC (11-OH-THC), 11-nor-9-carboxy-THC (THCCOOH), ∆(9)-tetrahydrocannabinolic acid (THCAA), cannabinol (CBN), cannabidiol (CBD), cannabigerol (CBG), ∆(9)-tetrahydrocannabivarin (THCV), 11-nor-9-carboxy-THCV (THCVCOOH), THC-glucuronide (THC-gluc), and THCCOOH-glucuronide (THCCOOH-gluc) in urine was developed and validated according to the Scientific Working Group on Toxicology guidelines...
September 2016: Analytical and Bioanalytical Chemistry
Lesley A Hill, Tamara S Bodnar, Joanne Weinberg, Geoffrey L Hammond
Plasma corticosteroid-binding globulin (CBG) plays a critical role in regulating glucocorticoid bioavailability and is an acute phase 'negative' protein during inflammation. In an adjuvant-induced arthritis model, plasma CBG levels decrease in rats that develop severe inflammation, and we have now determined when and how these reductions in CBG occur. After administering complete Freund's adjuvant or saline intra-dermally at the tail base, blood samples were taken periodically for 16days. In adjuvant-treated rats, decreases in plasma CBG levels matched the severity of inflammation, and decreases were observed 4days before any clinical signs of inflammation...
August 2016: Journal of Endocrinology
David Henley, Stafford Lightman, Robin Carrell
Cortisol is transported in the blood by corticosteroid-binding globulin (CBG), a non-inhibitory member of the serpin family of serine protease inhibitors. Recent structural advances reveal how CBG acts as a releasing-agent as well as a carrier of cortisol. Taken together, the structures of the various forms of CBG and of the closely related thyroxine binding-globulin, show how the inherent conformational mechanism of the serpins has been adapted to modulate hormone release to the tissues by changes in binding affinities...
October 2016: Pharmacology & Therapeutics
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