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https://www.readbyqxmd.com/read/27923234/transient-receptor-potential-vanilloid-1-channels-contribute-to-the-regulation-of-acid-and-base-induced-vasomotor-responses
#1
Ivan Ivic, Margit Solymar, Eszter Pakai, Zoltan Rumbus, Erika Pinter, Akos Koller, Andras Garami
pH changes can influence local blood flow, but the mechanisms of how acids and bases affect vascular tone is not fully clarified. Transient receptor potential vanilloid-1 (TRPV1) channels are expressed in vessels and can be activated by pH alterations. Thus, we hypothesized that TRPV1 channels are involved in the mediation of vascular responses to acid-base changes. Vasomotor responses to HCl, NaOH, and capsaicin were measured in isolated murine carotid and tail skin arteries. The function of TRPV1 was blocked by either of three approaches: Trpv1 gene disruption, pharmacological blockade with a TRPV1 antagonist (BCTC), and functional impairment of mainly neural TRPV1 channels (desensitization)...
December 7, 2016: Journal of Vascular Research
https://www.readbyqxmd.com/read/27923201/synthesis-and-biological-evaluation-of-a-new-class-of-benzothiazines-as-neuroprotective-agents
#2
Alessandra Mancini, Alessia Chelini, Angela Di Capua, Loretta Castelli, Simone Brogi, Marco Paolino, Germano Giuliani, Andrea Cappelli, Maria Frosini, Lorenzo Ricci, Erminia Leonelli, Gianluca Giorgi, Antonio Giordani, Jacopo Magistretti, Maurizio Anzini
Neurodegenerative diseases are disorders related to the degeneration of central neurons that gradually lead to various, severe alterations of cognitive and/or motor functions. Currently, for no such diseases does any pharmacological treatment exist able to arrest its progression. Riluzole (1) is a small molecule able to interfere with multiple cellular and molecular mechanisms of neurodegeneration, and is the only approved treatment of amyotrophic lateral sclerosis (ALS), the progression of which proved to significantly slow, thus increasing somewhat average survival...
November 27, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27923180/insight-into-the-structure-and-stability-of-tc-and-re-dmsa-complexes-a-computational-study
#3
Daniel Hernández-Valdés, Alejandro Blanco-González, Ariel García-Fleitas, Zalua Rodríguez-Riera, Giuseppe Meola, Roger Alberto, Ulises Jáuregui-Haza
Meso-2,3-dimercaptosuccinic acid (DMSA) is used in nuclear medicine as ligand for preparation of diagnostic and therapy radiopharmaceuticals. DMSA has been the subject of numerous investigations during the past three decades and new and significant information of the chemistry and pharmacology of DMSA complexes have emerged. In comparison to other ligands, the structure of some DMSA complexes is unclear up today. The structures and applications of DMSA complexes are strictly dependent on the chemical conditions of their preparation, especially pH and components ratio...
November 27, 2016: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/27922827/gold-nanoparticles-as-scaffolds-for-poor-water-soluble-and-difficult-to-vehiculate-antiparkinson-codrugs
#4
A Di Crescenzo, I Cacciatore, M Petrini, M D'Alessandro, N Petragnani, P Del Boccio, P Di Profio, S Boncompagni, G Spoto, H Turkez, P Ballerini, A Di Stefano, A Fontana
We report the facile and non-covalent preparation of gold nanoparticles (AuNPs) stabilized by an antiparkinson codrug based on lipoic acid (LA). The obtained AuNPs appear stable in both dimethyl sulfoxide and fetal bovine serum and able to load an amount of codrug double the weight of gold. These NPs were demonstrated to be safe and biocompatible towards primary human blood cells and human neuroblastoma cells, one of the most widely used cellular models to study dopaminergic neural cells, therefore are ideal drug carriers for difficult to solubilize molecules...
December 6, 2016: Nanotechnology
https://www.readbyqxmd.com/read/27922804/correction-to-journal-of-ocular-pharmacology-and-therapeutics-2016-32-355-364
#5
(no author information available yet)
No abstract text is available yet for this article.
December 2016: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27922803/correction-to-journal-of-ocular-pharmacology-and-therapeutics-2016-32-606-622
#6
(no author information available yet)
No abstract text is available yet for this article.
December 2016: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27922762/nonchemotherapy-drug-induced-agranulocytosis-in-children-detected-by-a-prospective-pharmacovigilance-program
#7
Nicolás Medrano-Casique, Hoi Y Tong, Alberto M Borobia, Antonio J Carcas, Jesús Frías, Elena Ramírez
OBJECTIVES: A prospective evaluation of nonchemotherapy drug-induced agranulocytosis (DIA) cases, which are infrequent in the pediatric population. We characterize agranulocytosis cases and assess lab test differences between drug- and nondrug-induced agranulocytosis. METHODS: Through our Prospective Pharmacovigilance Program from Laboratory Signals at Hospital we detected pediatric agranulocytosis cases from July 2007 to December 2010. This program estimates the incidence, drug causality, clinical features, outcomes of DIA pediatric cases, and assesses laboratory differences with respect to non-DIA...
December 6, 2016: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/27922561/a-pharmacologic-review-of-anaphylaxis
#8
Nancy S Yunker, Bradley J Wagner
Anaphylaxis occurs in the surgical population and may have devastating consequences. Anaphylaxis and anaphylactoid reactions are immediate hypersensitivity reactions that are most commonly precipitated by medications, insect stings, and foods. In the surgical population, 47.4% of immediate hypersensitivity reactions were precipitated by neuromuscular blocking agents, followed by latex and antibiotics in 20% and 18.1% of cases, respectively. Initial treatment consists of removing the precipitating trigger, administering epinephrine, and correct patient positioning...
October 2016: Plastic Surgical Nursing
https://www.readbyqxmd.com/read/27922499/the-dystrophic-and-nondystrophic-myotonias
#9
Valeria A Sansone
PURPOSE OF REVIEW: This article describes clinical and electrical myotonia and provides an update on the classification, diagnosis, and management of myotonic disorders. RECENT FINDINGS: In the myotonic dystrophies, antisense oligonucleotides provide a general strategy to correct RNA gain of function and modulate the expression of CTG expanded repeats; they are currently being tested in a phase 1-2 randomized controlled trial in patients with adult-onset myotonic dystrophy type 1...
December 2016: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/27922338/pathophysiology-of-aortic-aneurysm-insights-from-human-genetics-and-mouse-models
#10
Nicole K Wilson, Russell A Gould, Elena Gallo MacFarlane, Mibava Leducq Consortium
Aneurysms are local dilations of an artery that predispose the vessel to sudden rupture. They are often asymptomatic and undiagnosed, resulting in a high mortality rate. The predisposition to develop thoracic aortic aneurysms is often genetically inherited and associated with syndromes affecting connective tissue homeostasis. This review discusses how elucidation of the genetic causes of syndromic forms of thoracic aortic aneurysm has helped identify pathways that contribute to disease progression, including those activated by TGF-β, angiotensin II and Notch ligands...
December 6, 2016: Pharmacogenomics
https://www.readbyqxmd.com/read/27922213/quantitative-maldi-ms-binding-assays-an-alternative-to-radiolabeling
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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