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https://www.readbyqxmd.com/read/27922213/quantitative-maldi-ms-binding-assays-an-alternative-to-radiolabeling
#1
Maxime Rossato, Guillaume Miralles, Céline M'Kadmi, Mathieu Maingot, Muriel Amblard, Bernard Mouillac, Didier Gagne, Jean Martinez, Gilles Subra, Christine Enjalbal, Sonia Cantel
Radiolabeling of ligands is still the gold standard in the study of high-affinity receptor-ligand interactions. In an effort toward safer and simpler alternatives to the use of radioisotopes, we developed a quantitative and highly sensitive matrix-assisted laser desorption ionization mass spectrometry (MALDI-MS) method that relies on the use of chemically tagged ligands designed to be specifically detectable when present as traces in complex biological mixtures such as cellular lysates. This innovative technology allows easy, sensitive detection and accurate quantification of analytes at the sub-nanomolar level...
December 6, 2016: ChemMedChem
https://www.readbyqxmd.com/read/27922194/pharmacodynamic-response-profiles-of-anxiolytic-and-sedative-drugs
#2
Xia Chen, Freerk Broeyer, Marieke de Kam, Joke Baas, Adam Cohen, Joop van Gerven
INTRODUCTION: Centrally-acting acutely anxiolytic drugs, like benzodiazepines, barbiturates and gabapentinoids, affect various central nervous system (CNS) functions, which reflect not only their anxiolytic effects but also neuropsychological side-effects. To validate the pharmacodynamic biomarkers for GABA-ergic anxiolytics, this study determined the pharmacodynamics of two anxiolytics and a non-anxiolytic control and linked them to their anxiolytic and sedative effects, during an anxiety-challenge study day...
December 6, 2016: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27921437/-adaptation-of-adipose-tissue-to-weight-reduction-energy-restricted-diet-in-obese-individuals
#3
Vladimír Štich
Obesity is associated with a number of metabolic disorders that lead to the development of type 2 diabetes, hyperlipidemia and ultimately cardiovascular diseases. An important role in the pathogenesis of metabolic disorders accompanying obesity is probably played by the alterations of adipose tissue characteristics: metabolic, endocrine and immune functions. The key component of obesity treatment, the weight-reduction energy-restricted diet, leads not only to the reduction of weight (specifically fat mass), but also to correction of obesity accompanying metabolic disorders...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27921436/-diabetes-mellitus-in-older-adults-from-the-point-of-view-of-the-clinical-diabetologist
#4
Alena Šmahelová
Disorders of glucose homeostasis affect quite a large part of the older population and their incidence including manifest diabetes is growing. Diabetes in older adults is associated with an increased risk of geriatric syndrome expressed in various ways (decrease in muscle size, functional disability, frailty) and early mortality. Diabetes care for the elderly requires, also in view of heterogeneity of diabetes itself, an individual specific approach. This involves not only diagnostics and a clinical picture, but also the treatment goals and the therapy of diabetes and complications in itself...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27921428/-promising-molecules-for-treatment-of-hyperglycemia-in-patients-with-type-2-diabetes
#5
Milan Kvapil
New antidiabetic drugs are being developed today that expand the range of pharmacological intervention, in particular for patients with type 2 diabetes (imeglimin, semaglutide, dulaglutide, FGF 21 analogue). At the same time innovations take place that "better" the well-proven molecules, they offer new application forms we have no experience of diabetology (osmotic pump for exenatide, faster acting insulin aspart). New properties are brought by just the change of concentration (insulin glargine in a concentration of 300 U/ml), unexpected positive results are also brought by new fixed-ratio combinations of antidiabetics (fixed-ratio combination of insulin degludec and liraglutide, fixed-ratio combination of insulin glargine and lixisenatide)...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27921426/-gestational-diabetes-mellitus
#6
Hana Krejčí
The present generation of women of childbearing age more frequently suffer from overweight, obesity, initial as well as fully established metabolic syndrome, which together with postponing motherhood until the third decade in life plays an important role in the increasing incidence of gestational diabetes (GDM) that currently affects about 1/5 of pregnant women. However the causal link between diabetes during pregnancy and metabolic diseases in the whole population is mutual. By way of epigenetic changes, maternal diabetes unfavourably programmes metabolism of the offspring, who tend to transfer the disorder to the next generations...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27921374/efficacy-of-a-novel-granulocyte-monocyte-apheresis-adsorber-device-in-the-treatment-of-inflammatory-bowel-diseases-a-pilot-study
#7
Maria Di Girolamo, Alessandro Sartini, Rosina Critelli, Angela Bertani, Alberto Merighi, Erica Villa
Granulocyte monocyte apheresis (GMA) is a non-pharmacological treatment for inflammatory bowel disease. In our study, we tested a novel GMA adsorber device in terms of clinical efficacy and safety in patients' non-response to pharmacological therapy. Secondary outcomes were the evaluation of adsorber's technical performance, the reduction of inflammatory markers and the improvement of patients' life quality. The prospective study included 18 patients enrolled from 2011 to 2012 with a monitoring of 48 weeks...
December 5, 2016: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/27921338/melancholic-and-atypical-depression-as-predictor-and-moderator-of-outcome-in-cognitive-behavior-therapy-and-pharmacotherapy-for-adult-depression
#8
Pim Cuijpers, Erica Weitz, Femke Lamers, Brenda W Penninx, Jos Twisk, Robert J DeRubeis, Sona Dimidjian, Boadie W Dunlop, Robin B Jarrett, Zindel V Segal, Steven D Hollon
BACKGROUND: Melancholic and atypical depression are widely thought to moderate or predict outcome of pharmacological and psychological treatments of adult depression, but that has not yet been established. This study uses the data from four earlier trials comparing cognitive behavior therapy (CBT) versus antidepressant medications (ADMs; and pill placebo when available) to examine the extent to which melancholic and atypical depression moderate or predict outcome in an "individual patient data" meta-analysis...
December 6, 2016: Depression and Anxiety
https://www.readbyqxmd.com/read/27921283/choices-have-consequences-the-nexus-between-dna-repair-pathways-and-genomic-instability-in-cancer
#9
REVIEW
Sonali Bhattacharjee, Saikat Nandi
BACKGROUND: The genome is under constant assault from a multitude of sources that can lead to the formation of DNA double-stand breaks (DSBs). DSBs are cytotoxic lesions, which if left unrepaired could lead to genomic instability, cancer and even cell death. However, erroneous repair of DSBs can lead to chromosomal rearrangements and loss of heterozygosity, which in turn can also cause cancer and cell death. Hence, although the repair of DSBs is crucial for the maintenance of genome integrity the process of repair need to be well regulated and closely monitored...
December 2016: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/27921167/the-real-world-in-the-clinic-before-and-after-the-establishment-of-guidelines-for-coronary-artery-spasm-a-questionnaire-for-members-of-the-japanese-cine-angio-association
#10
Shozo Sueda, Hiroaki Kohno, Hideaki Yoshino
We investigated the clinical situations and the present knowledge of Japanese cardiologists about coronary artery spasm before and after the establishment of guidelines for this condition in the real world. A questionnaire was developed regarding the number of cases of coronary angiography, percutaneous coronary intervention, and invasive/non-invasive spasm provocation tests before (2008) and after (2014) the establishment of the Japanese Circulation Society (JCS) guidelines for coronary artery spasm and the status of spasm provocation tests...
December 5, 2016: Heart and Vessels
https://www.readbyqxmd.com/read/27921047/pharmacological-interventions-against-obesity-current-status-and-future-directions
#11
REVIEW
Bernd Schultes
The metabolic syndrome (MS) comprises a cluster of metabolic disturbances including obesity, hyperglycemia, dyslipidemia, and elevated blood pressure that are pathophysiologically highly interlinked and that altogether lead to an increased cardiovascular (CV) risk. While lifestyle interventions represent the basic therapeutic measure to address all components of the MS, they are in most cases not effective enough to reduce the CV risk. Therefore, pharmacological interventions are necessary for many patients...
October 2016: Visceral Medicine
https://www.readbyqxmd.com/read/27920947/the-daniel-k-inouye-college-of-pharmacy-scripts-poha-berry-physalis-peruviana-with-potential-anti-inflammatory-and-cancer-prevention-activities
#12
Leng Chee Chang, Mayuramas Sang-Ngern, John M Pezzuto, Carolyn Ma
The Daniel K. Inouye College of Pharmacy, during a historic event in Spring 2016, graduated the first two students in the Pacific region to earn a PhD in pharmaceutical sciences at the University of Hawai'i at Hilo. The college offers PhD programs in these five disciplines: Cancer Biology, Medicinal Chemistry, Pharmaceutics, Pharmacognosy, and Pharmacology. One of the Pharmacognosy dissertations focused on plant-derived natural products with potential anti-inflammatory and cancer chemopreventive activities...
November 2016: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/27920872/anterior-and-posterior-suprasellar-extensions-of-a-symmetrical-trilobed-nonfunctional-giant-pituitary-adenoma-in-the-sagittal-plane-a-case-report-and-review-of-literature
#13
Rushabh M Vakharia, Roman Kremen, Ajit Vakharia, Obed Adarkwah, Gordon Anderson
INTRODUCTION: To the best of our knowledge, the presence of a trilobed nonfunctional giant pituitary adenoma has never been described before in the literature. These tumors present unique diagnostic and therapeutic challenges. Tumors of this etiology can be managed with pharmacologic treatment or aggressive surgical intervention. The following case illustrates an unique visual presentation of a giant pituitary adenoma. CASE PRESENTATION: We report the case of a 40-year-old Hispanic man who presented with new onset seizures...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27920820/protective-effect-of-melissa-officinalis-extract-against-h2o2-induced-oxidative-stress-in-human-vascular-endothelial-cells
#14
Leila Safaeian, Seyyed Ebrahim Sajjadi, Shaghayegh Haghjooy Javanmard, Hossein Montazeri, Fariba Samani
Melissa officinalis L. is a medicinal plant with a large variety of pharmacological effects and traditional applications. This study aimed to evaluate the protective and antioxidant activities of the extract of M. officinalis aerial parts on human umbilical vein endothelial cells (HUVECs) under oxidative stress induced by H2O2. Cells were incubated with H2O2 (0.5 mM, 2 h) after pretreatment with M. officinalis extract (25-500 μg/mL). Cell viability was evaluated by 3-(4, 5- Dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) assay...
October 2016: Research in Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27920817/pharmacological-characterization-of-liquiritigenin-a-chiral-flavonoid-in-licorice
#15
Samaa Alrushaid, Neal M Davies, Stephanie E Martinez, Casey L Sayre
Liquiritigenin is a chiral flavonoid present in plant based food, nutraceuticals, and traditional medicines. It is also an important ingredient present in licorice. The purpose of this study is to explore the pharmacological activity of racemic liquiritigenin utilizing several in vitro assays with relevant roles in colon cancer and diabetes. Where possible, the pure enantiomers were tested to identify the stereospecific contribution to the activity. In vitro antioxidant, anticancer, anti-inflammatory activities (cyclooxygenase inhibition), antidiabetic activities (alpha-amylase and alpha-glucosidase inhibition) as well as cytochrome P450 (CYP450) inhibitory activities were assessed...
October 2016: Research in Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27920809/rates-and-reasons-for-lack-of-persistence-with-anti-osteoporotic-drugs-analysis-of-the-campania-region-database
#16
Giovanni Iolascon, Francesca Gimigliano, Antimo Moretti, Ilaria Riccio, Massimo Di Gennaro, Maddalena Illario, Valeria Marina Monetti, Valentina Orlando, Enrica Menditto
Subjects with chronic diseases are more likely to be nonpersistent to pharmacological treatment. Lack of persistence is common among subjects using oral anti-osteoporotic drugs, and leads to increased risk of fragility fracture. The aim of our retrospective study is to analyze the rates and reasons for discontinuation of anti-osteoporotic drugs in the Campania Region. Subjects aged over 40 years were included if they had received at least one prescription for any anti-osteoporotic drugs. Data were obtained from an administrative database of regional data on outpatient drug prescriptions reimbursed by the National Health Service...
May 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/27920795/donepezil-enhances-frontal-functional-connectivity-in-alzheimer-s-disease-a-pilot-study
#17
Ludovica Griffanti, Gordon K Wilcock, Natalie Voets, Guendalina Bonifacio, Clare E Mackay, Mark Jenkinson, Giovanna Zamboni
BACKGROUND: We have previously shown that increased resting-state functional magnetic resonance imaging (fMRI)-based functional connectivity (FC) within the frontal resting-state networks in Alzheimer's disease (AD) patients reflects residual, possibly compensatory, function. This suggests that symptomatic treatments should aim to enhance FC specifically in these networks. METHODS: 18 patients with probable AD underwent brain MRI and neuropsychological assessment at baseline and after 12 weeks of treatment with donepezil...
September 2016: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/27920724/insulin-induces-relaxation-and-decreases-hydrogen-peroxide-induced-vasoconstriction-in-human-placental-vascular-bed-in-a-mechanism-mediated-by-calcium-activated-potassium-channels-and-l-arginine-nitric-oxide-pathways
#18
Lissette Cabrera, Andrea Saavedra, Susana Rojas, Marcela Cid, Cristina Valenzuela, David Gallegos, Pamela Careaga, Emerita Basualto, Astrid Haensgen, Eduardo Peña, Coralia Rivas, Juan Carlos Vera, Victoria Gallardo, Leandro Zúñiga, Carlos Escudero, Luis Sobrevia, Mark Wareing, Marcelo González
HIGHLIGHTS Short-term incubation with insulin increases the L-arginine transport in HUVECs.Short-term incubation with insulin increases the NO synthesis in HUVECs.Insulin induces relaxation in human placental vascular bed.Insulin attenuates the constriction induced by hydrogen peroxide in human placenta.The relaxation induced by insulin is dependent on BKCa channels activity in human placenta. Insulin induces relaxation in umbilical veins, increasing the expression of human amino acid transporter 1 (hCAT-1) and nitric oxide synthesis (NO) in human umbilical vein endothelial cells (HUVECs)...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27920663/asd-and-genetic-associations-with-receptors-for-oxytocin-and-vasopressin-avpr1a-avpr1b-and-oxtr
#19
Sunday M Francis, Soo-Jeong Kim, Emily Kistner-Griffin, Stephen Guter, Edwin H Cook, Suma Jacob
Background: There are limited treatments available for autism spectrum disorder (ASD). Studies have reported significant associations between the receptor genes of oxytocin (OT) and vasopressin (AVP) and ASD diagnosis, as well as ASD-related phenotypes. Researchers have also found the manipulation of these systems affects social and repetitive behaviors, core characteristics of ASD. Consequently, research involving the oxytocin/vasopressin pathways as intervention targets has increased. Therefore, further examination into the relationship between these neuropeptides and ASD was undertaken...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27920467/possible-therapeutic-role-of-ige-blockade-in-irritable-bowel-syndrome
#20
EDITORIAL
Eli Magen, Tinatin Chikovani
Omalizumab is a humanized monoclonal antibody that binds to the high-affinity type-I IgE Fc receptors on mast cells (MCs) and basophils, inhibiting the IgE immune pathway. Irritable bowel syndrome (IBS) is the most common functional gastrointestinal disorder, and dysregulation of the immune system likely contributes to its etiology and/or symptomatology. Colonic biopsies from patients with IBS demonstrate considerable increase in the number of degranulating MCs releasing histamine in proximity to nerves, and this event may underlie the common IBS symptom of abdominal pain...
November 21, 2016: World Journal of Gastroenterology: WJG
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