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Tie Li, Christopher D Cox, Byram Ozer, Nhung T Nguyen, Huytram N Nguyen, Thomas J Lai, Sichen Li, Fei Liu, Harley I Kornblum, Linda M Liau, Phioanh Leia Nghiemphu, Timothy F Cloughesy, Albert Lai
Mutant isocitrate dehydrogenase (IDH) 1/2 converts α-ketoglutarate (α-KG) to D-2 hydroxyglutarate (D-2-HG), a putative oncometabolite that can inhibit α-KG dependent enzymes, including ten-eleven translocation methylcytosine dioxygenase (TET) DNA demethylases. We recently established that miRNAs are components of the IDH1 mutant-associated glioma CpG island methylator phenotype (G-CIMP), and specifically identified MIR148A as a tumor-suppressive miRNA within G-CIMP. However, the precise mechanism by which mutant IDH induces hypermethylation of MIR148A and other G-CIMP promoters remains to be elucidated...
March 15, 2018: Molecular Cancer Research: MCR
Mark K Su, Jessica Hetherington Lopez, Aldo Crossa, Robert S Hoffman
STUDY OBJECTIVE: To assess the efficacy of 10mg intramuscular (IM) methadone in patients with opioid withdrawal syndrome (OWS). METHODS: This was a prospective observational, convenience sample of patients presenting to the ED with mild to moderate OWS. Evaluations included the Clinical Opiate Withdrawal Scale (COWS), Withdrawal Symptoms Scale (WSS), Altered Mental Status Scale (AMSS) and a physician assessment of the patient's WSS (MDWSS). After enrollment, 10mg of IM methadone was administered and patients were reassessed at 30min post-methadone administration...
March 2, 2018: American Journal of Emergency Medicine
Ludmila S Almeida, Maidane C Araújo, Denise E Zantut-Wittmann, Lígia V Assumpção, Thiago F Souza, Cleide M Silva, Juliana L Argenton, Allan O Santos, Jair Mengatti, Celso D Ramos, Elba C Etchebehere
BACKGROUND: Radioiodine-refractory thyroid carcinomas (RAIRs) are characterized by reduced expression of sodium-iodine symporter, rising serum thyroglobulin levels, and negative whole-body radioiodine scans. Interestingly, RAIRs continue to express somatostatin receptors and can be identified with Ga-DOTATATE PET/CT imaging. OBJECTIVE: The objective of this study was to compare lesion detectability in Ga-DOTATATE PET/CT performed with elevated thyroid-stimulating hormone (eTSH) levels with suppressed thyroid-stimulating hormone (sTSH) levels...
March 14, 2018: Nuclear Medicine Communications
Lone Baandrup, Bjørn H Ebdrup, Jesper Ø Rasmussen, Jane Lindschou, Christian Gluud, Birte Y Glenthøj
BACKGROUND: Prolonged treatment with benzodiazepines is common practice despite clinical recommendations of short-term use. Benzodiazepines are used by approximately 4% of the general population, with increased prevalence in psychiatric populations and the elderly. After long-term use it is often difficult to discontinue benzodiazepines due to psychological and physiological dependence. This review investigated if pharmacological interventions can facilitate benzodiazepine tapering. OBJECTIVES: To assess the benefits and harms of pharmacological interventions to facilitate discontinuation of chronic benzodiazepine use...
March 15, 2018: Cochrane Database of Systematic Reviews
Antonio Gil-Gomez, Ana Isabel Gómez-Sotelo, Isidora Ranchal, Ángela Rojas, Marta García-Valdecasas, Rocío Muñoz-Hernández, Rocío Gallego-Durán, Javier Ampuero, Manuel Romero Gómez
AIM: to analyze the effect of metformin on ammonia production derived from glutamine metabolism in vitro and in vivo. METHODS: twenty male Wistar rats were studied for 28 days after a porto-caval anastomosis (n = 16) or a sham operation (n = 4). Porto-caval shunted animals were randomized into two groups (n = 8) and either received 30 mg/kg/day of metformin for two weeks or were control animals. Plasma ammonia concentration, Gls gene expression and K-type glutaminase activity were measured in the small intestine, muscle and kidney...
March 15, 2018: Revista Española de Enfermedades Digestivas
Albert J Czaja
Autoimmune hepatitis lacks a quantifiable biomarker that is close to its pathogenic mechanisms and that accurately reflects inflammatory activity, correlates with treatment response, and ensures inactive disease before treatment withdrawal. Areas covered: Micro-ribonucleic acids, programmed death-1 protein and its ligands, macrophage migration inhibitory factor, soluble CD163, B cell activating factor, and metabolite patterns in blood were considered the leading candidates as therapeutic biomarkers after search of PubMed from August 1981 to August 2017 using the search words "biomarkers of autoimmune hepatitis"...
March 14, 2018: Expert Review of Gastroenterology & Hepatology
Khurram Muaz, Muhammad Riaz, Saeed Akhtar, Sungkwon Park, Amir Ismail
Poultry production is among the most rapidly growing industries around the globe, and poultry is one of the major sources of meat. Poultry farmers use disease preventive and growth promoter antibiotics for faster growth of chickens in the shortest possible time to increase the rate of feed assimilation and to lower the incidence of mortality caused by a pathogen attack. Antibiotics may result in dysfunctionality of beneficial gut microbiota and increase resistance among microbial pathogens in poultry. Residues of these antibiotics in poultry meat have been determined in many of the studies globally and are considered one of the possible causes of antibacterial resistance in human pathogens...
March 14, 2018: Journal of Food Protection
Guillaume Moulis, Grégory Pugnet, Nathalie Costedoat-Chalumeau, Alexis Mathian, Gaëlle Leroux, Jonathan Boutémy, Olivier Espitia, Laurence Bouillet, Sabine Berthier, Jean-Baptiste Gaultier, Pierre-Yves Jeandel, Amadou Konaté, Arsène Mékinan, Elisabeth Solau-Gervais, Benjamin Terrier, Daniel Wendling, Fanny Andry, Camille Garnier, Pascal Cathébras, Laurent Arnaud, Aurore Palmaro, Patrice Cacoub, Zahir Amoura, Jean-Charles Piette, Philippe Arlet, Maryse Lapeyre-Mestre, Laurent Sailler
OBJECTIVES: To assess the efficacy and the safety of biologics in a cohort of patients with relapsing polychondritis (RP). METHODS: We conducted a French multicentre retrospective cohort study including patients treated with biologics for RP. Efficacy outcomes were clinical response (partial or complete) and complete response during the first 6 months of exposure, plus daily corticosteroid dose at 6 months. Other outcomes were adverse drug reactions (ADRs), persistence of biologics and factors associated with a response...
March 13, 2018: Annals of the Rheumatic Diseases
Faaiza Shahid, Zeba Farooqui, Farah Khan
Cisplatin (cis-diamminedichloroplatinum [II], CP) is most widely prescribed in chemotherapy and efficaciously treats diverse human cancers, with remission rates >90% in testicular cancers. However, clinical use of CP is associated with numerous untoward side effects, in particular, at the gastrointestinal level that reduces the therapeutic efficacy of CP and often results in withdrawal of its clinical usage in long term cancer chemotherapy. Substantial strides have been made to identify effective protective strategies against CP-induced nephrotoxicity, hepatotoxicity and ototoxicity...
March 9, 2018: European Journal of Pharmacology
Cecilia Bartholdson, Bert Molewijk, Kim Lützén, Klas Blomgren, Pernilla Pergert
BACKGROUND: In previous research on ethics case reflection (ECR) sessions about specific cases, healthcare professionals in childhood cancer care were clarifying their perspectives on the ethical issue to resolve their main concern of consolidating care. When perspectives were clarified, consequences in the team included 'increased understanding', 'group strengthening' and 'decision grounding'. Additional analysis of the data was needed on conditions that could contribute to the quality of ECR sessions...
March 2018: Nursing Ethics
John R Fedota, Xiaoyu Ding, Allison L Matous, Betty Jo Salmeron, Michael R McKenna, Hong Gu, Thomas J Ross, Elliot A Stein
BACKGROUND: Insular subdivisions show distinct patterns of resting-state functional connectivity (rsFC) with specific brain regions, each with different functional significance. Seeds in these subdivisions are employed to characterize the effects of acute nicotine abstinence on rsFC between insula subdivisions and brain networks implicated in addiction and attentional control. METHODS: In a within-subjects design, resting-state blood oxygen level-dependent data were collected from treatment-seeking smokers (N= 20) following smoking satiety and again following 48 hours of nicotine abstinence...
February 2018: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging
Shounak Majumder, Sonmoon Mohapatra, Ryan J Lennon, Guilherme Piovezani Ramos, Neil Postier, Ferga Gleeson, Michael J Levy, Randall K Pearson, Bret T Petersen, Santhi S Vege, Suresh T Chari, Mark Topazian, Thomas E Witzig
BACKGROUND & AIMS: Immunoglobulin G4-related disease (IgG4-RD), a multi-organ fibro-inflammatory syndrome, typically responds to steroids. However, some cases are steroid resistant, and pancreaticobiliary IgG4-RD commonly relapses after steroid withdrawal. Rituximab induces remission of IgG4-RD, but the need for and safety of maintenance rituximab treatment are unknown. We compared outcomes of patients with pancreaticobiliary IgG4-RD treated with or without maintenance rituximab therapy...
March 8, 2018: Clinical Gastroenterology and Hepatology
Arvind Chopra, Manjit Saluja, Toktam Kianifard, Deepa Chitre, Anuradha Venugopalan
BACKGROUND: Data on long term use of Ayurvedic drugs is sparse. They may prove useful if combined with modern medicine in certain clinical situations (integrative medicine). We present the results of a long term observational study of RA-1 (Ayurvedic drug) used in the treatment of rheumatoid arthritis (RA). MATERIALS AND METHODS: On completion of a 16 week randomized controlled study, 165 consenting volunteer patients were enrolled into a three year open label phase (OLP) study...
March 8, 2018: Journal of Ayurveda and Integrative Medicine
N Dietis, H Niwa, R Tose, J McDonald, V Ruggieri, M Filaferro, G Vitale, L Micheli, C Ghelardini, S Salvadori, G Calo, R Guerrini, D J Rowbotham, D G Lambert
BACKGROUND AND PURPOSE: Targeting more than one opioid receptor type simultaneously may have analgesic advantages in reduced side effect profile. We have evaluated the mixed MOP (μ, mu) agonist/DOP (δ, delta) antagonist UFP-505 in vitro and in vivo. EXPERIMENTAL APPROACH: We measured receptor density and function in single MOP, DOP and MOP/DOP double expression systems. GTPγ35 S binding, cAMP formation and arrestin recruitment were measured. Antinociceptive activity was measured in vivo using tail withdrawal and paw pressure tests following acute and chronic treatment...
March 10, 2018: British Journal of Pharmacology
Katerina Kapodistria, Effie-Photini Tsilibary, Eleni Kotsopoulou, Petros Moustardas, Paraskevi Kitsiou
Liraglutide, a human long-lasting GLP-1 analogue, is currently regarded as a powerful treatment option for type 2 diabetes. Apart from glucoregulatory and insulinotropic actions, liraglutide increases β-cell mass through stimulation of β-cell proliferation and islet neogenesis, as well as inhibition of β-cell apoptosis. However, the underline molecular mechanisms have not been fully characterized. In this study, we investigated the mechanism by which liraglutide preserves islet β-cells in an animal model of overt diabetes, the obese db/db mice, and protects a mouse pancreatic β-cell line (βTC-6 cells) against apoptosis...
March 10, 2018: Journal of Cellular and Molecular Medicine
Javier Molina-Infante, Alfredo J Lucendo
Eosinophilic esophagitis (EoE) is a chronic, immune-mediated, esophageal disease triggered predominantly, but not excusively, by food antigens. Presently, available food allergy tests are suboptimal to predict food triggers for EoE, especially in adults. Elemental diet (exclusive feeding with aminoacid-based formulas) and empiric six-food elimination diet (6-FED; withdrawing milk, wheat, egg, soy, nuts and fish/seafood for 6 weeks), have consistently shown the best efficacy rates. However, their high level of restriction and need for multiple endoscopies have hampered their implementation in clinical practice...
March 6, 2018: Journal of Allergy and Clinical Immunology
L Chen, B Yu, D Luo, M Lin
BACKGROUND: The mechanism underlying gastrointestinal (GI) dysmotility associated with chronic pancreatitis (CP) has not been fully elucidated, and enteric nervous system (ENS) has an important regulatory role in gastrointestinal motor function. The aim of this study is to investigate the effect of ENS in the colonic hypomotility induced by trinitrobenzene sulfonic acid (TNBS) infusion which mimics CP. METHODS: Male Sprague-Dawley rats were submitted to CP which was induced by pancreatic infusion of 2% TNBS, or sham group with treatment of equal saline...
March 9, 2018: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
Alham Al-Sharman, Hanan Khalil, Mohammad Nazzal, Nihaya Al-Sheyab, Alia Alghwiri, Khalid El-Salem, Mais AlDughmi
BACKGROUND: Multiple sclerosis (MS) symptoms are very heterogeneous and may lead to reduced physical, cognitive, and psychosocial functioning that can consequently impair aspects of individual's life. Many studies have examined the living experiences of individuals with MS and its impact on their daily lives. In developing countries and particularly in Jordan, there has been little attempt to conduct studies exploring the experiences of people living with MS. Such knowledge will provide a background to hidden aspects of human concepts, such as culture, perception, and attitudes about chronic diseases...
March 9, 2018: Physiotherapy Research International: the Journal for Researchers and Clinicians in Physical Therapy
John Peyton Bohnsack, Benjamin A Hughes, Todd K O'Buckley, Kamyra Edokpolor, Joyce Besheer, A Leslie Morrow
Alcohol use disorders are chronic debilitating diseases characterized by severe withdrawal symptoms that contribute to morbidity and relapse. GABAA receptor (GABAA R) adaptations have long been implicated in the chronic effects of alcohol and contribute to many withdrawal symptoms associated with alcohol dependence. In rodents, GABAA R hypofunction results from decreases in Gabra1 expression, although the underlying mechanism controlling Gabra1 expression after chronic ethanol exposure is still unknown. We found that chronic ethanol exposure using either ethanol gavage or two-bottle choice voluntary access paradigms decreased Gabra1 expression and increased Hdac2 and Hdac3 expression...
February 27, 2018: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
Cristiana Garisto, Zaccaria Ricci, Lorenzo Tofani, Simona Benegni, Chiara Pezzella, Paola Cogo
BACKGROUND: Dexmedetomidine is a selective agonist of α2 receptors that induces hypnotic, sedative and mild analgesic effect. The aim of our study was to test the effects of dexmedetomidine in combination with opioids and benzodiazepines compared to benzodiazepine-opioids alone. METHODS: A randomized controlled trial was conducted. Patients (children >30 days and <24 months undergoing correction of complex congenital heart diseases -CHD-) were randomized to receive 0...
March 7, 2018: Minerva Anestesiologica
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