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https://www.readbyqxmd.com/read/29906466/tarps-differentially-affect-the-pharmacology-of-ampakines
#1
Daniel P Radin, Yong-Xin Li, Gary Rogers, Richard Purcell, Arnold Lippa
Transmembrane AMPA receptor regulatory proteins (TARPs) govern AMPA receptor cell surface expression and distinct physiological properties including agonist affinity, desensitization and deactivation kinetics. The prototypical TARP, STG or γ2 and TARPs γ3, γ4, γ7 and γ8 are all expressed to varying degrees in the mammalian brain and differentially regulate AMPAR gating parameters. Positive allosteric AMPA receptor modulators or ampakines alter receptor rates of agonist binding/unbinding, channel opening and can offset receptor desensitization and deactivation...
June 12, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29905975/the-grk2-promoter-is-regulated-by-early-growth-response-transcription-factor-egr-1
#2
Stefanie Klenke, Andrea Engler, Daniel Ecker, Crista Ochsenfarth, Nina Danowski, Jürgen Peters, Winfried Siffert, Ulrich H Frey
The G-protein-coupled receptor kinase 2 (GRK2) plays a major role in cardiovascular diseases and its expression is increased in heart failure. However, only little is known about factors being involved in up-regulation of GRK2 expression through transcriptional regulation of its promoter. Since the transcription factor early-growth response 1 (EGR-1) is also up-regulated in patients with heart failure, we tested the hypothesis that EGR-1 regulates GRK2 transcription. Stimulation of immortalized rat cardiomyocytes (H9c2) with phorbol 12-myristate 13-acetate (PMA) resulted in up-regulation of Egr-1 and subsequently of Grk2 mRNA expression, with maximum Grk2 expression (p=0...
June 15, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29904820/food-induced-anaphylaxis-an-update
#3
REVIEW
Christopher P Parrish, Heidi Kim
PURPOSE OF REVIEW: This review aims to provide an update of recent advances in the epidemiology, clinical features and diagnosis, and management of food-induced anaphylaxis (FIA). RECENT FINDINGS: Food allergy prevalence and FIA rates continue to rise, but FIA fatalities are stable. Basophil and mast cell activation tests promise more accurate identification of food triggers. Oral, sublingual, and epicutaneous immunotherapy can desensitize a significant portion of subjects...
June 14, 2018: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/29903423/comparison-of-morphological-changes-and-tactile-sensitivity-of-the-pharynx-and-larynx-between-four-standing-sedative-and-analgesic-protocols-in-eight-adult-healthy-horses
#4
Guillaume Manneveau, Jeanne Lecallard, Chantal Thorin, Hugo Pamela, Caroline Tessier
OBJECTIVE: To compare the topographic modifications and tactile sensitivity of the pharynx and larynx after administration of four sedative and analgesic protocols in standing horses. STUDY DESIGN: Experimental, observer-blinded, crossover study. ANIMALS: Eight healthy mares. METHODS: Five protocols were evaluated: 1) xylazine and butorphanol administered intravenously (IV); 2) detomidine and butorphanol administered IV; 3) xylazine administered IV and lidocaine topically; 4) detomidine administered IV and lidocaine topically and 5) no analgesia or sedation (control)...
May 1, 2018: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29901473/management-of-adverse-reactions-to-first-line-tuberculosis-antibiotics
#5
Sowmya Nagarajan, Paul Whitaker
PURPOSE OF REVIEW: Tuberculosis (TB) is the commonest infectious cause of death globally. Adverse reactions to first-line tuberculosis antibiotics are common and have a major impact on the outcomes of patients as second-line antibiotics are less effective and more toxic. The present review addresses the most recent literature regarding epidemiology, investigating reactions, and reintroducing treatment in patients who have had their treatment interrupted. RECENT FINDINGS: Studies have demonstrated that up to 60% of patients experience adverse reactions to TB treatment; around a third of these are idiosyncratic and may relate to immune sensitization...
June 12, 2018: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29897736/dexmedetomidine-an-alpha-2a-adrenergic-receptor-agonist-mitigates-experimental-autoimmune-encephalomyelitis-by-desensitization-of-cxcr7-in-microglia
#6
Yi Huang, Shite Hu, Yongliang Li, Dan Xue, Xiuguo Wu
In the autoimmune disease multiple sclerosis (MS) and its animal model, experimental autoimmune encephalomyelitis (EAE), characterized by an ascending paralysis that is characterized by extensive infiltration of the central nervous system by inflammatory cells. Although several studies to some extent uncover the cellular mechanisms of microglia that govern EAE pathogenesis, the molecular mechanisms that orchestrate microglia movement remain unknown and potential novel therapeutic strategies are still required...
June 13, 2018: Biochemistry
https://www.readbyqxmd.com/read/29894921/emergency-room-intervention-to-prevent-post-concussion-like-symptoms-and-post-traumatic-stress-disorder-a-pilot-randomized-controlled-study-of-a-brief-eye-movement-desensitization-and-reprocessing-intervention-versus-reassurance-or-usual-care
#7
Cédric Gil-Jardiné, Grégoire Evrard, Samantha Al Joboory, Juliane Tortes Saint Jammes, Françoise Masson, Régis Ribéreau-Gayon, Michel Galinski, Louis-Rachid Salmi, Philippe Revel, Cyril Alexandre Régis, Guillaume Valdenaire, Emmanuel Lagarde
Up to 20% of patients presenting at an emergency room (ER) after a stressful event will for several months suffer from very diverse long-lasting symptoms and a potentially significant decline in quality of life, often described as post concussion-like symptoms (PCLS). The objectives of our randomized open-label single-center study were to assess the feasibility of psychologist-led interventions in the context of the ER and to compare the effect of eye movement desensitization and reprocessing (EMDR) with reassurance and usual care...
May 26, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29894764/evaluation-of-dentin-desensitization-protocols-on-the-dentinal-surface-and-their-effects-on-the-dentin-bond-interface
#8
Wilfredo Gustavo Escalante-Otárola, Gabriela Mariana Castro-Núñez, Keren Cristina Fagundes Jordão-Basso, Bruno Martini Guimarães, Regina Guenka Palma-Dibb, Milton Carlos Kuga
OBJECTIVES: To evaluate the effect of desensitizing agent containing calcium phosphate nanoparticles on the bond strength ofetch-and-rinse adhesive system (Scotchbond Multi-Purpose), presence of precipitate, dentinal tubule obliteration and hybrid layer formation in dentin in comparison with potassium nitrate plus sodium fluoride or strontium chloride compounds. METHODS: 150 bovine incisors were treated with (n = 10): G1, Desensibilize Nano P (Ca3 (PO4 )2 +5%KNO3 +0...
June 9, 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29892320/treatment-of-a-patient-with-borderline-personality-disorder-based-on-phase-oriented-model-of-eye-movement-desensitization-and-reprocessing-emdr-a-case-report
#9
Nahid Momeni Safarabad, Ali-Asghar Asgharnejad Farid, Banafsheh Gharraee, Mojtaba Habibi
Objective: This study aimed at reporting the effect of the 3-phase model of eye movement desensitization and reprocessing in the treatment of a patient with borderline personality disorder. Method : A 33-year-old female, who met the DSM-IV-TR criteria for borderline personality disorder, received a 20-session therapy based on the 3-phase model of eye movement desensitization and reprocessing. Borderline Personality Disorder Checklist (BPD-Checklist), Dissociative Experience Scale (DES-II), Beck Depression Inventory-II-second edition (BDI-II), and Anxiety Inventory (BAI) were filled out by the patient at all treatment phases and at the 3- month follow- up...
January 2018: Iranian Journal of Psychiatry
https://www.readbyqxmd.com/read/29892240/a-non-randomized-controlled-trial-of-emdr-on-affective-symptoms-in-patients-with-glioblastoma-multiforme
#10
Monika Szpringer, Marzena Oledzka, Benedikt L Amann
Glioblastoma multiforme (GBM) is a highly aggressive brain cancer and its survival after diagnosis is less than 2 years. Therefore, GBM patients are especially prone to co-occurring psychological conditions such as anxiety and depressive disorders. Furthermore, aggressive medical therapies affect patients' lives, undermining their sense of meaning and coherence. The main aim of this study was to determine the effectiveness of Eye Movement Desensitization and Reprocessing (EMDR) therapy on anxiety, depression and sense of coherence in patients with GBM...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29886074/modulation-of-gaba-and-glycine-receptors-in-rat-pyramidal-hippocampal-neurones-by-3%C3%AE-5%C3%AE-pregnanolone-derivatives
#11
Julia V Bukanova, Elena I Solntseva, Sergey N Kolbaev, Eva Kudova
The ability of pregnanolone glutamate (PA-Glu), pregnanolone hemisuccinate (PA-hSuc) and pregnanolone hemipimelate (PA-hPim), neuroactive steroids with a negative modulatory effect on excitatory N-methyl-d-aspartate receptors, to influence the functional activity of inhibitory γ-aminobutyric acid and glycine receptors was estimated. The GABA- and glycine-induced chloride currents (IGABA and IGly ) were measured in isolated pyramidal neurons of the rat hippocampus using the patch-clamp technique. Compound PA-Glu was found to potentiate IGABA and to inhibit IGly , while PA-hSuc and PA-hPim inhibited both IGABA and IGly ...
June 7, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29884935/g-protein-coupled-receptor-kinase-3-grk3-in-olfaction
#12
Sayoko Ihara, Kazushige Touhara
Like in other sensory systems, adaptation is an essential process in the olfactory system, required for its proper functioning. However, the precise molecular mechanism underlying the adaptation process has not been fully understood, especially at the receptor level. Here, we describe methods to evaluate the role of GRK3, one of the members of the GRK family responsible for the desensitization of non-olfactory G-protein-coupled receptor (GPCR), in desensitization of olfactory receptor (OR) using a heterologous expression system...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29884229/effect-of-the-5-ht-4-receptor-agonist-tegaserod-on-the-expression-of-grk2-and-grk6-in-the-rat-gastrointestinal-tract
#13
Teshome Nedi, Paul J White, Ian M Coupar, Helen R Irving
OBJECTIVE: Tegaserod is a 5-hydroxytryptamine type 4 (5-HT4 ) receptor agonist, formerly used in treating constipation predominant irritable bowel syndrome, which desensitizes 5-HT4 receptors in rat oesophagus and colon in vitro. Desensitization of 5-HT4 receptors is regulated by G-protein coupled receptor kinases. This study was designed to assess the effect of 5-HT4 receptor activation on the expression of GRK2 and GRK6 in the rat oesophagus and distal colon by acute administration of tegaserod...
June 8, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29880350/similar-microvascular-inflammation-and-tubulointerstitial-injury-in-abo-incompatible-and-matched-abo-compatible-kidney-allografts
#14
K Osickova, A Parikova, J Maluskova, J Fronek, O Viklicky
ABO-incompatible (ABOi) kidney transplantation represents a viable tool to increase the donor pool for kidney transplantation, however, increased alloimmune response has been debated. The early outcomes of 25 low-risk ABOi kidney transplant recipients were compared with thoroughly matched 50 ABO-compatible (ABOc) ones. The matching process was based on gender and age of recipients and immunologic parameters, such as panel reactive antibodies, number of human leukocyte antigen mismatches, and transplantation era...
June 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29877929/presentation-and-management-of-the-delayed-type-of-hypersensitivity-reaction-with-bendamustine
#15
Sufana Shikdar, David Totton, Thomas Turco, Michael Rachshtut
Bendamustine, an alkylating agent with cytotoxic properties, has been increasingly employed in the treatment of chronic lymphocytic leukemia (CLL) either as a single agent or combination with rituximab. Although rarely reported, they can potentially cause hypersensitivity reactions with serious consequences. The objective of the case report was to offer a safe and effective bendamustine desensitization protocol to patients with a hypersensitivity reaction to this drug. We report a case of a patient with a CLL who developed a type IV hypersensitivity reaction to bendamustine and who was successfully treated by drug desensitization...
June 5, 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29877923/therapeutic-human-igg-preparations-contain-mixture-of-hla-antibodies-to-native-hla-antigens-and-cryptic-epitopes-with-little-clinical-significance
#16
Massimo Mangiola, Marilyn Marrari, Christopher Ensor, Martin O Spycher, Mel Berger, Adriana Zeevi
BACKGROUND: Human immunoglobulins (H-Ig) are widely used in solid organ transplantation for IgG replacement and for desensitization and treatment of antibody mediated rejection. They are obtained from plasma pools and may contain HLA antibodies that can be detrimental to transplant recipients. The goal of this study was to evaluate HLA antibodies in multiple lots of 2 commercial H-Ig preparations by. Luminex single antigen bead (SAB) and cell-based crossmatch assays. METHODS: Thirty lots of 2 commercial H-Ig products (CSL Behring, King of Prussia, PA...
June 6, 2018: Transplantation
https://www.readbyqxmd.com/read/29877001/clinical-significance-of-isoagglutinin-titer-with-the-current-desensitization-protocol-in-abo-incompatible-kidney-transplantation
#17
Chung Hee Baek, Hyosang Kim, Won Seok Yang, Duck Jong Han, Su-Kil Park
AIM: ABO-incompatible (ABOi) kidney transplantation (KT) has become a routine procedure with graft survival rates comparable to those of ABO-compatible KT. However, the clinical significance of the isoagglutinin titer in ABOi KT remains uncertain. Therefore, in this study, we analyzed the clinical outcomes of ABOi KT according to the baseline and postoperative isoagglutinin titer. METHODS: All patients who received ABOi KT between 2009 and 2013 were reviewed and followed up until December 2016...
June 7, 2018: Nephrology
https://www.readbyqxmd.com/read/29876667/sulfonamide-drug-allergy
#18
REVIEW
Joshua M Dorn, Mollie Alpern, Caitlin McNulty, Gerald W Volcheck
PURPOSE OF REVIEW: We sought to review past and current literature on sulfonamide drug allergy and distill it in a practical manner to assist the clinician, specifically focusing on cross-reactivity and desensitization. RECENT FINDINGS: There do not appear to be consistent genetic markers to reliably predict features of or the presence hypersensitivity reactions. Recent evidence continues to alleviate early concerns cross-reactivity between sulfonamide antibiotics and non-antibiotics...
June 6, 2018: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/29873592/utilization-of-manual-therapy-to-the-lumbar-spine-in-conjunction-with-traditional-conservative-care-for-individuals-with-bilateral-lower-extremity-complex-regional-pain-syndrome-a-case-series
#19
Zachary Walston, Luis Hernandez, Dale Yake
BACKGROUND AND PURPOSE: Conservative therapies for complex regional pain syndrome (CRPS) have traditionally focused on exercise and desensitization techniques targeted at the involved extremity. The primary purpose of this case series is to report on the potential benefit of utilizing manual therapy to the lumbar spine in conjunction with traditional conservative care when treating patients with lower extremity CRPS. CASE DESCRIPTION: Two patients with the diagnosis of lower extremity CRPS were treated with manual therapy to the lumbar spine in conjunction with education, exercise, desensitization, and soft tissue techniques for the extremity...
June 6, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29872229/molecular-mechanism-of-modulating-arrestin-conformation-by-gpcr-phosphorylation
#20
Andrija Sente, Raphael Peer, Ashish Srivastava, Mithu Baidya, Arthur M Lesk, Santhanam Balaji, Arun K Shukla, M Madan Babu, Tilman Flock
Arrestins regulate the signaling of ligand-activated, phosphorylated G-protein-coupled receptors (GPCRs). Different patterns of receptor phosphorylation (phosphorylation barcode) can modulate arrestin conformations, resulting in distinct functional outcomes (for example, desensitization, internalization, and downstream signaling). However, the mechanism of arrestin activation and how distinct receptor phosphorylation patterns could induce different conformational changes on arrestin are not fully understood...
June 2018: Nature Structural & Molecular Biology
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