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https://www.readbyqxmd.com/read/28807483/the-potential-efficacy-of-gabab-antagonists-in-depression
#1
REVIEW
Robert C Alexander
Evidence for the potential utility of GABAB antagonists has been assembled from a variety of sources, including clinical experience with the GABAB agonist baclofen, murine genetic GABAB knock-outs, rodent studies of GABAB receptor expression and function following treatment with antidepressant therapies, animal models of depression, and some functional and post mortem data from human subjects. Definitive testing of GABAB antagonists in depression, however, still awaits the development of potent, selective and brain-penetrant compounds for human testing...
August 11, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/28800869/the-role-of-ca3-gabab-receptors-on-anxiolytic-like-behaviors-and-avoidance-memory-deficit-induced-by-d-ap5-with-respect-to-ca-2-ions
#2
Shahram Zarrabian, Mohammad Nasehi, Maryam Farrahizadeh, Mohammad-Reza Zarrindast
Glutamatergic and GABAergic systems play key roles in the hippocampus and affect the pathogenesis of anxiety- and memory-related processes. Some investigations have assessed the role of balancing the function of these two systems in different areas of the central nervous system (CNS) as an approach to manage the related disorders. We investigated the anxiety and avoidance memory states using the test-retest protocol in the elevated plus maze to understand the role of GABAB receptors (GABABRs) in relation to the NMDA receptor blockade by D-AP5 (an NMDA receptor antagonist)...
August 8, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28791989/treatment-of-resistant-idiopathic-hiccups-with-pulse-radio-frequency-on-phrenic-nerve-and-gabapentin-a-case-report
#3
O Ozturk, E Yavuz, B Yazicioglu, B Uzuner
Hiccups affect life quality, career and family life when they become persistent. We present here a 54-year-old man who worked as a mason and a blacksmith with hiccups complaint for nearly one and a half years. In this period, he was admitted to emergency service ten times with fainting or almost fainting, cold sweating and hand stretching complaints. The patient expressed that he frequently threw up when he had hiccups and his social life was negatively affected. He reported that he was treated with baclofen, esomeprazole and hyoscine-n-butyl bromur without relief...
July 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28768356/-singultus-diagnostic-workup-and-therapy
#4
Ohlrich Marcus, Georg Royl
A hiccup is a reflex movement with diffusely distributed afferents and efferents in the thorax; its functional relevance is controversial. In its physiological form, it is mostly a minor complaint that stops spontaneously and rarely leads to medical consultation. However, prolonged agonizing hiccups represent serious deterioration of quality of life. Chronic hiccups by definition last for more than 48 h, with gastroesophageal reflux being the frequent underlying disease. Various other causes affect multiple organ systems, some with serious underlying diseases...
July 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28759492/chronic-hiccups-an-underestimated-problem
#5
Eva K Kohse, Markus W Hollmann, Hubert J Bardenheuer, Jens Kessler
Persistent singultus, hiccupping that lasts for longer than 48 hours, can have a tremendous impact on a patient's quality of life. Although involved neurologic structures have been identified, the function of hiccups remains unclear-they have been controversially interpreted as a primitive reflex preventing extent swallowing of amniotic fluid in utero, an archaic gill ventilation pattern, or a fetus' preparation for independent breathing. Persistent singultus often presents as a symptom for various diseases, most commonly illnesses of the central nervous system or gastrointestinal tract; they can also be evoked by a variety of pharmacological agents...
July 26, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28755747/a-prospective-cohort-study-examining-the-effectiveness-of-baclofen-in-the-maintenance-of-abstinence-in-alcohol-use-disorder-patients-attending-a-joint-liver-and-alcohol-treatment-clinic
#6
Lynn Owens, Andrew Thompson, Abi Rose, Ian Gilmore, Munir Pirmohamed, Paul Richardson
OBJECTIVE: Alcohol-related liver disease (ARLD) is the leading cause of alcohol-related mortality in the UK. Helping patients with ARLD to stop drinking is an important treatment goal. The aim of this study is to explore baclofen's utility in maintaining abstinence. METHODS - A PROSPECTIVE COHORT STUDY: Patients with ARLD were commenced on baclofen; the dose was titrated according to tolerability and response up to 30 mg three times daily. Severity of physical dependence and biochemical markers of liver injury were assessed at baseline, 3 months, and 12 months...
August 2017: Alcohol
https://www.readbyqxmd.com/read/28753481/baclofen-and-naltrexone-effects-on-alcohol-self-administration-comparison-of-treatment-initiated-during-abstinence-or-ongoing-alcohol-access-in-baboons
#7
August F Holtyn, Barbara J Kaminski, Elise M Weerts
BACKGROUND: Baclofen, a GABAB receptor agonist, is under investigation as a pharmacotherapy for alcohol use disorder. Treatment with a pharmacotherapeutic can be initiated during alcohol abstinence or active drinking, which may influence treatment outcomes. This study examined whether baclofen treatment initiated and maintained during alcohol abstinence would reduce alcohol seeking and self-administration upon return to alcohol access, and whether effects differed from treatment initiated and maintained during ongoing alcohol access...
July 18, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28751460/optogenetic-central-amygdala-stimulation-intensifies-and-narrows-motivation-for-cocaine
#8
Shelley M Warlow, Mike J F Robinson, Kent C Berridge
Addiction is often characterized by intense motivation for a drug, which may be narrowly focused at the expense of other rewards. Here we examined the role of amygdala-related circuitry in the amplification and narrowing of motivation focus for intravenous cocaine. We paired optogenetic channelrhodopsin (ChR2) stimulation in either central nucleus of amygdala (CeA) or basolateral amygdala (BLA) of female rats with one particular nosepoke-porthole option for earning cocaine infusions (0.3 mg/kg, i.v.). A second alternative porthole earned identical cocaine but without ChR2 stimulation...
July 27, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28747093/prochlorperazine-increases-kcc2-function-and-reduces-spasticity-after-spinal-cord-injury
#9
Sylvie Liabeuf, Laetitia Stuhl-Gourmand, Florian Gackière, Renzo Mancuso, Irene Sanchez-Brualla, Philippe Marino, Frédéric Brocard, Laurent Vinay
In mature neurons, low intracellular chloride level required for inhibition is maintained by the potassium-chloride co-transporter KCC2. Impairment of Cl- extrusion following KCC2 dysfunction has been involved in many CNS disorders such as seizures, neuropathic pain or spasticity after a spinal cord injury (SCI). This makes KCC2 an appealing drug target for restoring Cl-homeostasis and inhibition in pathological conditions. In the present study, we screen the Prestwick Chemical Library® and identify conventional antipsychotics phenothiazine derivatives as enhancers of KCC2 activity...
July 26, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28745845/sedative-hypnotic-drug-withdrawal-syndrome-recognition-and-treatment-digest
#10
Cynthia Santos, Ruben E Olmedo, Jeremy Kim
Sedative-hypnotic drugs include gamma-Aminobutyric acid (GABA)ergic agents such as benzodiazepines, barbiturates, gamma-Hydroxybutyric acid [GHB], gamma-Butyrolactone [GBL], baclofen, and ethanol. Chronic use of these substances can cause tolerance, and abrupt cessation or a reduction in the quantity of the drug can precipitate a life-threatening withdrawal syndrome. Benzodiazepines, phenobarbital, propofol, and other GABA agonists or analogues can effectively control symptoms of withdrawal from GABAergic agents...
March 22, 2017: Emergency Medicine Practice
https://www.readbyqxmd.com/read/28742985/gabab-receptors-suppress-burst-firing-in-reticular-thalamic-neurons
#11
Stuart M Cain, Esperanza Garcia, Zeina Waheed, Karen L Jones, Trevor J Bushell, Terrance P Snutch
Burst-firing in thalamic neurons is known to play a key role in mediating thalamocortical (TC) oscillations that are associated with non-REM sleep and some types of epileptic seizure. Within the TC system the primary output of GABAergic neurons in the reticular thalamic nucleus (RTN) is thought to induce the de-inactivation of T-type calcium channels in thalamic relay (TR) neurons, promoting burst-firing drive to the cortex and the propagation of TC network activity. However, RTN neurons also project back onto other neurons within the RTN...
July 25, 2017: Channels
https://www.readbyqxmd.com/read/28739616/awakening-with-amantadine-from-a-persistent-vegetative-state-after-subarachnoid-haemorrhage
#12
Sophie Mirabell Lehnerer, Franziska Scheibe, Ralph Buchert, Stefan Kliesch, Andreas Meisel
We report the case of a 36-year-old woman with a subarachnoid haemorrhage (SAH) caused by a rupture of a right-sided middle cerebral artery aneurysm and subsequent malignant infarction of the right hemisphere leading to a persistent vegetative state and severe spastic tetraparesis with recurrent myocloni. Nine months after disease onset, the patient was transferred to our department for diagnostic and therapeutic re-evaluation. The poor clinical condition could not be explained by the brain lesion caused by the SAH or infarction...
July 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28727631/one-year-of-baclofen-in-100-patients-with-or-without-cirrhosis-a-french-real-life-experience
#13
Camille Barrault, Hortensia Lison, Françoise Roudot-Thoraval, Armand Garioud, Charlotte Costentin, Véronique Béhar, Mourad Medmoun, Georges Pulwermacher, Hervé Hagège, Jean-François Cadranel
BACKGROUND: Several studies have suggested the efficacy of baclofen in reducing alcohol consumption, leading to a temporary recommendation for use in France. AIM: Our aim was to report our experience in using baclofen in alcohol-dependant patients with or without liver cirrhosis. PATIENTS AND METHODS: Consecutive patients from two liver and alcohol units were recruited over a 3-year period and received increasing doses of baclofen associated with social, psychological, and medical care...
July 19, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28719377/stability-of-acetazolamide-baclofen-dipyridamole-mebeverine-hydrochloride-propylthiouracil-quinidine-sulfate-and-topiramate-oral-suspensions-in-syrspend-sf-ph4
#14
Anderson de Oliveira Ferreira, Hudson Polonini, Sharlene Loures da Silva, Natália Cristina Buzinari Aglio, Jordana Abreu, Brandão Marcos Antônio Fernandes
The objective of this study was to evaluate the stability of 7 commonly used active pharmaceutical ingredients compounded in oral suspensions using an internationally used suspending vehicle (SyrSpend SF PH4): acetazolamide 25.0 mg/mL, baclofen 10.0 mg/mL, dipyridamole 10.0 mg/mL, mebeverine hydrochloride 10.0 mg/mL, propylthiouracil 5.0 mg/mL, quinidine sulfate 10.0 mg/mL, and topiramate 5.0 mg/mL. All suspensions were stored both at controlled refrigerated (2°C to 8°C) and room temperature (20°C to 25°C)...
July 2017: International Journal of Pharmaceutical Compounding
https://www.readbyqxmd.com/read/28713569/kctd12-modulation-of-gaba-b-receptor-function
#15
Melody Li, Carol J Milligan, Haiyan Wang, Andrew Walker, Leonid Churilov, Andrew J Lawrence, Christopher A Reid, Seth C Hopkins, Steven Petrou
The molecular composition and functional diversity of native GABAB receptors (GABABR) are still poorly understood, thus hindering development of selective GABABR ligands. Potassium channel tetramerization domain-containing protein (KCTD) 12 is a GABABR auxiliary subunit and mouse KCTD12 can alter GABABR function. In this study, we sought to characterize the effects of human KCTD12 on GABABR kinetics and pharmacology, using an automated electrophysiological assay. Seizure susceptibility and ethanol consumption were also investigated in a KCTD12 knockout mouse model...
August 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28705925/management-of-hiccups-in-palliative-care-patients
#16
REVIEW
Yong Suk Jeon, Alison Mary Kearney, Peter Graham Baker
Persistent hiccups are a frustrating experience for palliative care patients, and can have a profound impact on their quality of life. This article provides an evidence-based approach overview of the causes and treatment of this not infrequently debilitating condition for such patients, with a management algorithm. In situations where no readily reversible cause is identified, or where simple physical manoeuvres, such as breath holding have failed, a systematic approach is required. Hiccups can be broadly divided into central and peripheral types...
July 13, 2017: BMJ Supportive & Palliative Care
https://www.readbyqxmd.com/read/28699296/long-lasting-contribution-of-dopamine-in-the-nucleus-accumbens-core-but-not-dorsal-lateral-striatum-to-sign-tracking
#17
Kurt M Fraser, Patricia H Janak
The attribution of incentive salience to reward-paired cues is dependent on dopamine release in the nucleus accumbens core (NAcC). These dopamine signals conform to traditional reward-prediction error signals and have been shown to diminish with time. Here we examined whether the diminishing dopamine signal in the NAcC has functional implications for the expression of sign-tracking, a Pavlovian conditioned response indicative of the attribution of incentive salience to reward-paired cues. Food-restricted male Sprague Dawley rats were trained in a Pavlovian paradigm in which an insertable lever predicted delivery of food reward in a nearby food cup...
August 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28684012/-high-blood-pressure-during-the-autonomic-crises-in-children-in-intensive-care-unit-etiologic-circumstances-and-modality-therapeutic
#18
D D Batouche, M Benatta, R Okbani, N F Benatta
The dysautonomic (DC) or neurovegetative crisis remains an imperfectly known entity; it associates in a paroxysmal manner a reaction of sympathetic hyperreactivity that can lead to the prognosis. Our objective is to specify the etiological circumstances (DC) and their modality of treatment in pediatric intensive care unit. MATERIALS-METHODS: Descriptive study on files of children admitted in the intensive care unit of 2010-2015 who presented a DC acquired during their hospitalization...
June 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/28680738/erratum-intrathecal-baclofen-pump-infection-treated-by-adjunct-intrareservoir-teicoplanin-instillation
#19
(no author information available yet)
[This corrects the article on p. 38 in vol. 8, PMID: 28458952.].
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28680269/baclofen-related-neurotoxicity-implication-in-a-fatality-associated-with-hepatorenal-syndrome
#20
Larry K Golightly, Lauren E Grecheck, Ike I Kim
No abstract text is available yet for this article.
2017: Clinical Medicine Insights. Case Reports
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