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https://www.readbyqxmd.com/read/28105728/invention-of-stimulus-responsive-peptide-bond-cleaving-residue-spr-and-its-application-to-chemical-biology-tools
#1
Akira Shigenaga, Jun Yamamoto, Taiki Kohiki, Tsubasa Inokuma, Akira Otaka
Elucidation of biological functions of peptides and proteins is essential for understanding peptide/protein-related biological events and developing drugs. Caged peptides and proteins that release a parent active peptide/protein by photo-irradiation have successfully been employed to elucidate the functions. Whereas the usual caged peptide/protein enables conversion of an inactive form to an active form (OFF-to-ON conversion) by photo-induced deprotection, photo-triggered main chain cleavage is reported to be applicable to ON-to-OFF conversion...
January 19, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28105659/effect-of-intralaryngeal-muscle-synkinesis-on-perception-of-voice-handicap-in-patients-with-unilateral-vocal-fold-paralysis
#2
R Jun Lin, Michael C Munin, Clark A Rosen, Libby J Smith
OBJECTIVES/HYPOTHESIS: Intralaryngeal muscle synkinesis associated with unilateral vocal fold paralysis (UVFP) is thought to preserve thyroarytenoid-lateral cricoarytenoid muscle complex tone, resulting in a better voice despite the presence of vocal fold paralysis (VFP). This study compares voice handicap in patients with unilateral VFP (UVFP) with and without evidence of adductory synkinesis on laryngeal electromyography (LEMG). STUDY DESIGN: Retrospective review of LEMG data and Voice Handicap Index-10 (VHI-10) scores of patients diagnosed with permanent UVFP...
January 20, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28105598/clinical-pharmacokinetics-and-pharmacodynamics-of-dexmedetomidine
#3
REVIEW
Maud A S Weerink, Michel M R F Struys, Laura N Hannivoort, Clemens R M Barends, Anthony R Absalom, Pieter Colin
Dexmedetomidine is an α2-adrenoceptor agonist with sedative, anxiolytic, sympatholytic, and analgesic-sparing effects, and minimal depression of respiratory function. It is potent and highly selective for α2-receptors with an α2:α1 ratio of 1620:1. Hemodynamic effects, which include transient hypertension, bradycardia, and hypotension, result from the drug's peripheral vasoconstrictive and sympatholytic properties. Dexmedetomidine exerts its hypnotic action through activation of central pre- and postsynaptic α2-receptors in the locus coeruleus, thereby inducting a state of unconsciousness similar to natural sleep, with the unique aspect that patients remain easily rousable and cooperative...
January 19, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28103904/safety-and-efficacy-of-fruquintinib-in-patients-with-previously-treated-metastatic-colorectal-cancer-a-phase-ib-study-and-a-randomized-double-blind-phase-ii-study
#4
Rui-Hua Xu, Jin Li, Yuxian Bai, Jianming Xu, Tianshu Liu, Lin Shen, Liwei Wang, Hongming Pan, Junning Cao, Dongsheng Zhang, Songhua Fan, Ye Hua, Weiguo Su
BACKGROUND: To assess the efficacy and safety of fruquintinib, a vascular endothelial growth factor receptor (VEGFR) inhibitor, in metastatic colorectal cancer (mCRC) patients. METHODS: A phase Ib open-label study and phase II randomized, placebo-controlled trial compared the efficacy of fruquintinib plus best supportive care (BSC) with placebo plus BSC in mCRC patients with ≥2 lines of prior therapies. The primary endpoint was progression-free survival (PFS)...
January 19, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28102848/statins-in-anthracycline-induced-cardiotoxicity-rac-and-rho-and-the-heartbreakers
#5
REVIEW
Christian Henninger, Gerhard Fritz
Cancer patients receiving anthracycline-based chemotherapy are at risk to develop life-threatening chronic cardiotoxicity with the pathophysiological mechanism of action not fully understood. Besides the most common hypothesis that anthracycline-induced congestive heart failure (CHF) is mainly caused by generation of reactive oxygen species, recent data point to a critical role of topoisomerase II beta (TOP2B), which is a primary target of anthracycline poisoning, in the pathophysiology of CHF. As the use of the only clinically approved cardioprotectant dexrazoxane has been limited by the FDA in 2011, there is an urgent need for alternative cardioprotective measures...
January 19, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28101656/off-label-use-of-antimicrobials-in-neonates-in-a-tertiary-children-s-hospital
#6
Niina Laine, Ann Marie Kaukonen, Kalle Hoppu, Marja Airaksinen, Harri Saxen
PURPOSE: Off-label (OL) use of drugs for hospitalized children is very common. OL use occurs especially in the youngest patients, neonates. This study focused on the OL use of antimicrobials in neonates. To our knowledge, only few studies have focused on the prevalence of OL use of antimicrobials in neonates. METHODS: We investigated the OL use of antimicrobials in neonates in a tertiary children's hospital. First, we investigated what were the most consumed OL antimicrobials in defined daily doses according to hospital's registry data from neonatal intensive care unit (NICU) during 2009-2014...
January 18, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28099820/new-and-developing-non-adrenoreceptor-small-molecule-drugs-for-the-treatment-of-asthma
#7
Neil C Thomson
Introduction Inhaled corticosteroids (ICS) alone or in combination with an inhaled long-acting beta2-agonist (LABA) are the preferred long-term treatment for adults and adolescents with symptomatic asthma. Additional drugs include leukotriene-receptor antagonists, slow-release theophylline and the long-acting muscarinic antagonist (LAMA) tiotropium (approved in 2015). There is a need for more effective therapies, as many patients continue to have poorly controlled asthma. Areas covered New and developing long-acting non-adrenoreceptor synthetic drugs for the treatment of symptomatic chronic asthma despite treatment with an ICS alone or combined with a LABA...
January 18, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28099783/ketosis-and-diabetic-ketoacidosis-in-response-to-sglt2-inhibitors-basic-mechanisms-and-therapeutic-perspectives
#8
REVIEW
Hongyu Qiu, Aleksandra Novikov, Volker Vallon
Inhibitors of the sodium-glucose cotransporter SGLT2 are a new class of anti-hyperglycemic drugs that have been approved for the treatment of type 2 diabetes mellitus (T2DM). These drugs inhibit glucose reabsorption in the proximal tubules of the kidney thereby enhancing glucosuria and lowering blood glucose levels. Additional consequences and benefits include a reduction in body weight, uric acid levels, and blood pressure. Moreover, SGLT2 inhibition can have protective effects on the kidney and cardiovascular system in patients with T2DM and high cardiovascular risk...
January 18, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28098924/-hypernatremia-caused-by-treatment-with-ghb-obtained-via-a-doctor-s-prescription
#9
I M Rood, C G W Seijger, J A van Waarde, M M R de Maat, J C Verhave, M J Blans
In the last few years, gamma hydroxybutyric acid (GHB) has been used increasingly as a party drug; this has led to a marked increase in the number of requests for professional help with the treatment of GHB addiction. Pharmaceutical GHB (sodium oxybate, the sodium-salt of GHB), registered for cataplexia in narcolepsy patients, is used off-label to treat the withdrawal symptoms associated with GHB addiction. Pharmaceutical GHB has a high sodium load. In this report we present the cases of two patients who developed symptomatic hypernatremia following treatment with pharmaceutical GHB and who thereafter needed intensive care for the severe withdrawal symptoms that they experienced...
2017: Tijdschrift Voor Psychiatrie
https://www.readbyqxmd.com/read/28098492/insomnia-management-in-the-australian-primary-care-setting
#10
Fatema-Tun-Naher Sake, Keith Wong, Delwyn J Bartlett, Bandana Saini
BACKGROUND AND OBJECTIVE: Insomnia is one of the most prevalent and costly sleep disorders presenting in general practice, and when left untreated, has major health consequences. However, studies are limited on how general practitioners respond to this health issue, especially since the reconceptualization of insomnia in DSM 5. Therefore, the aim of this study was to explore how insomnia is diagnosed and treated in Australian general practices. PARTICIPANTS: Twenty-four (54% male) general practitioners were recruited throughout the greater Sydney metropolitan area in New South Wales using the professional network of research team members and snowballing technique...
January 18, 2017: Behavioral Sleep Medicine
https://www.readbyqxmd.com/read/28096837/sutureless-aortic-valve-and-mitral-valve-repair-in-redo-cases-really-an-off-label-approach
#11
Júlia Čanádyová, Aleš Mokráček, Vojtěch Kurfirst
Sutureless aortic valve replacement (AVR) was developed as an alternative treatment option to conventional open-heart surgery and transcatheter aortic valve implantation for "gray zone" patients. The need for concurrent mitral valve surgery is generally viewed as a contraindication to sutureless AVR. The purpose of this brief paper is to report our experiences with sutureless valves in patients after previous cardiac procedures with degenerated aortic bioprostheses and concomitant mitral valve disease.
December 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28095557/the-photodynamic-therapy-experience-of-a-high-volume-laser-and-dermatologic-surgery-center
#12
David E Orbuch, Lauren Penn, Bradley S Bloom, Jeremy A Brauer, Daniel B Shin, Joshua Greenbaum, Leonard J Bernstein, Elliot T Weiss, Robert T Anolik, Roy G Geronemus
BACKGROUND: Photodynamic therapy (PDT) is an FDA approved treatment for actinic keratoses (AK's) although multiple off-label indi- cations are reported. Despite frequent use for AK's, no clear consensus exists regarding protocols for overall treatment parameters. METHODS: Retrospective chart review of 1,491 subjects who underwent PDT between 2007 and 2011 at a high volume laser surgery center. Demographic information, clinical history, treatment data, and subsequent diagnosis of skin cancers were recorded...
November 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28095531/future-applications-of-deoxycholic-acid-in-body-contouring
#13
Jonathan M Sykes, Amir Allak, Brian Klink
Deoxycholic acid (KybellaTM, Allergan Pharmaceuticals, Irvine, CA) is a novel injectable treatment used for the cosmetic reduction of redundant submental fat. By inducing adipose cell lysis, the soft tissue alteration induces subsequent contour change and sharpening of the cervicomental angle.The safety and efficacy have been well established in several prospective clinical trials and subsequent FDA approval for this purpose. This has provided an effective and less invasive alternative to surgical liposuction with virtually no recovery time and less overall discomfort...
January 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28094583/signal-detection-activity-on-eudravigilance-data-analysis-of-the-procedure-and-findings-from-an-italian-regional-centre-for-pharmacovigilance
#14
Luca Monaco, Mauro Melis, Chiara Biagi, Monia Donati, Ester Sapigni, Alberto Vaccheri, Domenico Motola
BACKGROUND: In July 2012 a new European legislation (Directive 2010/84/EU and Regulation No. 1235/2010) regarding pharmacovigilance has become effective. It has boosted the activity of Signal Detection through a monthly analysis of potential safety signals on EudraVigilance (EV). Our aim is to describe the procedure of signal detection on EV data and to present results obtained by the our pharmacovigilance centre. METHOD: Data are extracted from EV database, which collects suspected Adverse Drug Reactions (ADRs) of medicinal products in Europe...
January 17, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28093644/guidelines-for-proton-pump-inhibitor-prescriptions-in-paediatric-intensive-care-unit
#15
P Joret-Descout, S Dauger, M Bellaiche, O Bourdon, S Prot-Labarthe
Background Stress ulcer prophylaxis (SUP) is recommended in some situations to prevent upper gastrointestinal bleeding and is a component of standard care for patients admitted to the intensive care unit (ICU). Proton pump inhibitors (PPIs), already among the most widely prescribed drug classes, are being increasingly used. Objective To describe PPI prescribing patterns and their changes after the dissemination of guidelines. Setting Paediatric ICU (PICU), Robert-Debré Teaching Hospital, Paris, France, which admits about 800 patients annually, from full-term neonates to 18-year-olds...
January 17, 2017: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/28093123/synthesis-of-stable-isotopically-labeled-peptides-with-filter-assisted-enzymatic-labeling-for-the-diagnosis-of-hepatitis-b-virus-infection-utilizing-mass-spectrometry-based-proteomics-strategy
#16
Hsing-Fen Tsai, He-Hsuan Hsiao
A facile method for the preparation of stable isotopically labeled peptides was developed by means of filter-assisted tryptic (16)O/(18)O water labeling, which could be directly applied to the determination of hepatitis B virus infection from human serum with tandem mass spectrometry. Tryptic peptides of hepatitis B surface antigen or hepatitis B e antigen from different subtypes of hepatitis B virus were synthesized with traditional solid-phase peptide synthesis as potential biomarkers. Trypsin catalyzed oxygen-18 exchange at their amidated c-terminus of arginine or lysine residue...
March 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28093058/off-label-prescribing-of-psychotropic-medication-2005-2013-an-examination-of-potential-influences
#17
Peggy L O'Brien, Nicholas Cummings, Tami L Mark
OBJECTIVE: This study examined rates of psychotropic prescriptions for various on- and off-label uses in 2005 and 2013 in the context of changes in labeled indications. METHODS: The National Disease and Therapeutic Index, a survey of nationally representative office-based physicians that identifies the diagnosis attached to each prescription, was used to capture the number of psychiatric medications prescribed for a particular diagnosis in 2005 (N=4,120) and 2013 (N=4,140)...
January 17, 2017: Psychiatric Services: a Journal of the American Psychiatric Association
https://www.readbyqxmd.com/read/28093029/low-doses-of-mirtazapine-or-quetiapine-for-transient-insomnia-a-randomised-double-blind-cross-over-placebo-controlled-trial
#18
Julie Karsten, Loes A Hagenauw, Jeanine Kamphuis, Marike Lancel
Low doses of the antidepressant mirtazapine or the neuroleptic quetiapine are often prescribed off-label for insomnia. However, studies on the effects on sleep and hangover effects the following day are scarce. In this randomised, double-blind, cross-over, placebo-controlled trial, the influence of 7.5 mg mirtazapine and 50 mg quetiapine on both normal sleep and sleep disturbed by acoustic stress (traffic noise) as a model for transient insomnia was assessed. Additionally, hangover effects on next-day alertness and cognitive functioning were examined...
January 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28089853/region-specific-increases-in-fosb-%C3%AE-fosb-immunoreactivity-in-the-rat-brain-in-response-to-chronic-sleep-restriction
#19
Shannon Hall, Samüel Deurveilher, Kristin Robin Ko, Joan Burns, Kazue Semba
Using a rat model of chronic sleep restriction (CSR) featuring periodic sleep deprivation with slowly rotating wheels (3h on/1h off), we previously observed that 99h of this protocol induced both homeostatic and allostatic (adaptive) changes in physiological and behavioural measures. Notably, the initial changes in sleep intensity and attention performance gradually adapted during CSR despite accumulating sleep loss. To identify brain regions involved in these responses, we used FosB/ΔFosB immunohistochemistry as a marker of chronic neuronal activation...
January 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28088280/comparative-study-of-colloidal-gold-and-quantum-dots-as-labels-for-multiplex-screening-tests-for-multi-mycotoxin-detection
#20
Astrid Foubert, Natalia V Beloglazova, Sarah De Saeger
Quantum dots (QDs) and colloidal gold nanoparticles (CG) were evaluated as labels for multiplex lateral flow immunoassay (LFIA) for determination of mycotoxins deoxynivalenol (DON), zearalenone (ZEN) and T2/HT2-toxin (T2/HT2) in cereal matrices. Both developed assays were based on the same immunoreagents (except for the labels), therefore their analytical characteristics could be objectively compared. For both LFIAs antigens (DON-ovalbumin (OVA), ZEN-OVA and T2-OVA) and rabbit anti-mouse immunoglobulin were immobilized on a nitrocellulose membrane as three test lines and one control line, respectively...
February 22, 2017: Analytica Chimica Acta
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