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https://www.readbyqxmd.com/read/28214985/melatonin-alleviates-the-epilepsy-associated-impairments-in-hippocampal-ltp-and-spatial-learning-through-rescue-of-surface-glur2-expression-at-hippocampal-ca1-synapses
#1
Yue Ma, Xiaolong Sun, Juan Li, Ruihua Jia, Fang Yuan, Dong Wei, Wen Jiang
Epilepsy-associated cognitive impairment is common, and negatively impacts patients' quality of life. However, most antiepileptic drugs focus on the suppression of seizures, and fewer emphasize treatment of cognitive dysfunction. Melatonin, an indolamine synthesized primarily in the pineal grand, is reported to be neuroprotective against several central nervous system disorders. In this study, we investigated whether melatonin could reverse cognitive dysfunction in lithium-pilocarpine treated rats. Chronic treatment with melatonin (8 mg/kg daily for 15 days) after induction of status epilepticus significantly alleviated seizure severity, reduced neuronal death in the CA1 region of the hippocampus, improved spatial learning (as measured by the Morris water maze test), and reversed LTP impairments, compared to vehicle treatment...
February 18, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28213372/effect-of-topiramate-and-zonisamide-on-fmri-cognitive-networks
#2
Britta Wandschneider, Jane Burdett, Lucy Townsend, Andrea Hill, Pamela J Thompson, John S Duncan, Matthias J Koepp
OBJECTIVE: To investigate the effects of topiramate (TPM), zonisamide (ZNS), and levetiracetam (LEV) on cognitive network activations in patients with focal epilepsy using an fMRI language task. METHODS: In a retrospective, cross-sectional study, we identified patients from our clinical database of verbal fluency fMRI studies who were treated with either TPM (n = 32) or ZNS (n = 51). We matched 62 patients for clinical measures who took LEV but not TPM or ZNS. We entered antiepileptic comedications as nuisance variables and compared out-of-scanner psychometric measures for verbal fluency and working memory between groups...
February 17, 2017: Neurology
https://www.readbyqxmd.com/read/28213197/epileptic-seizures-in-patients-following-surgical-treatment-of-acute-subdural-hematoma-incidence-risk-factors-patient-outcome-and-development-of-a-new-scoring-system-for-prophylactic-antiepileptic-treatment-gate-24-score
#3
Sae-Yeon Won, Daniel Dubinski, Eva Herrmann, Colleen Cuca, Adam Strzelczyk, Volker Seifert, Juergen Konczalla, Thomas M Freiman
OBJECT: Clinically evident or subclinical seizures are common manifestation in acute subdural hematoma (aSDH); however, there is a paucity of research investigating the relationship between seizures and aSDH. The purpose of this study is, firstly to determine incidence, predictors of seizures and secondly establish a guideline in patients with aSDH to standardize the decision for prophylactic antiepileptic treatment. METHOD: The author analyzed 139 patients with aSDH treated from 2007 until 2015...
February 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28213162/the-effect-of-lamotrigine-on-learning-in-mice-using-the-passive-avoidance-model
#4
Fatemeh Izadpanah, Fatemeh Arab, Amin Zarghami, Ali Bijani, Sohrab Kazemi, Ali Akbar Moghadamnia
INTRODUCTION: Lamotrigine (LTG) is an antiepileptic drug that inhibits the release of glutamate by blocking sodium channels. The present study was conducted to evaluate the effect of LTG in different stages of memory using a passive avoidance learning task in mice. METHODS: Male albino mice in the weight range 20-25g were used. They were divided into four groups (control group and three groups receiving various doses of LTG). LTG was given in three doses of 10, 25, and 50mg/kg as intraperitoneal (IP) injections...
February 14, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28212985/nonsteroidal-anti-inflammatory-drugs-in-clinical-and-experimental-epilepsy
#5
REVIEW
Beatrice Mihaela Radu, Florin Bogdan Epureanu, Mihai Radu, Paolo Francesco Fabene, Giuseppe Bertini
Current antiepileptic drugs have limited efficacy and provide little or no benefits in 30% of the patients. Given that a role for brain inflammation in epilepsy has been repeatedly reported in recent years, the potential of anti-inflammatory drugs should be explored in depth, as they may provide new therapeutical approaches in preventing or reducing epileptogenesis. Here, we review preclinical (both in vivo and in vitro) and clinical epilepsy studies in which nonsteroidal antiinflammatory drugs (NSAIDs), i...
February 9, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28211099/sedation-with-orally-administered-midazolam-in-elderly-dental-patients-with-major-neurocognitive-disorder
#6
Lena Rignell, Mona Mikati, Madeleine Wertsén, Catharina Hägglin
OBJECTIVE: The aim of this study was to evaluate acceptance of treatment after oral sedation with midazolam in dental patients with major neurocognitive disorder. BACKGROUND: Midazolam is commonly used as premedication in paediatric dentistry, oral surgery and people suffering from dental fear. Little is known about its use in other patient groups. METHODS: Dental and sedation records of 61 patients (64% women) sedated with midazolam were examined retrospectively...
February 17, 2017: Gerodontology
https://www.readbyqxmd.com/read/28210205/the-atp-gated-p2x7-receptor-as-a-target-for-the-treatment-of-drug-resistant-epilepsy
#7
REVIEW
Edward Beamer, Wolfgang Fischer, Tobias Engel
Despite the progress made in the development of new antiepileptic drugs (AEDs), the biggest challenges that epilepsy presents to drug development have remained unchanged for the last 80 years: finding a treatment with potential for modifying disease progression and reducing the percentage of patients resistant to all pharmacological interventions. The mechanism of action of the majority of AEDs is based on blocking Na(+) and/or Ca(2+) channels, promotion of GABA or inhibition of glutamate signaling. In order for further progress to be made, however, a fuller picture of epilepsy will need to be considered, including changes to blood-brain barrier permeability, synaptic plasticity, network reorganization, and gliosis...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28209738/optogenetic-low-frequency-stimulation-of-specific-neuronal-populations-abates-ictogenesis
#8
Zahra Shiri, Maxime Lévesque, Guillaume Etter, Frédéric Manseau, Sylvain Williams, Massimo Avoli
Despite many advances made in understanding the pathophysiology of epileptic disorders, seizures remain poorly controlled in approximately one third of mesial temporal lobe epilepsy patients. Here, we established the efficacy of cell type-specific low-frequency stimulation (LFS) in controlling ictogenesis in the mouse entorhinal cortex (EC) in an in vitro brain slice preparation. Specifically, we used 1 Hz optogenetic stimulation of Ca(2+)/calmodulin-dependent protein kinase II-positive principal cells as well as of parvalbumin- or somatostatin-positive interneurons to study the effects of such repetitive activation on epileptiform discharges induced by 4-aminopyridine...
February 16, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28209153/a-prospective-observational-longitudinal-study-of-new-onset-seizures-and-newly-diagnosed-epilepsy-in-dogs
#9
N Fredsø, N Toft, A Sabers, M Berendt
BACKGROUND: Seizures are common in dogs and can be caused by non-epileptic conditions or epilepsy. The clinical course of newly diagnosed epilepsy is sparsely documented. The objective of this study was to prospectively investigate causes for seizures (epileptic and non-epileptic) in a cohort of dogs with new-onset untreated seizures, and for those dogs with newly diagnosed epilepsy to investigate epilepsy type, seizure type and the course of disease over time, including the risk of seizure recurrence...
February 16, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28208904/a-cross-sectional-study-of-quality-of-life-among-subjects-with-epilepsy-attending-a-tertiary-care-hospital
#10
M Anu, K Suresh, P L Basavanna
INTRODUCTION: Epilepsy is a chronic disorder associated with profound physical and psychological consequences leading to impaired quality of life (QoL). Evaluation of the QoL among epileptics would throw light on various factors that impair or affect the QoL in such a population. AIM: To study the QoL among epileptic patients attending outpatient departments of a tertiary care hospital and to identify various factors that affect the QoL in such a population. MATERIALS AND METHODS: A cross-sectional observational questionnaire based study, including patients with epilepsy, who were on antiepileptic drugs, on follow-up for minimum one year, aged more than 18years, both sexes and who were seizure free in the previous 24hours...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208696/valproate-attenuates-endoplasmic-reticulum-stress-induced-apoptosis-in-sh-sy5y-cells-via-the-akt-gsk3%C3%AE-signaling-pathway
#11
Zhengmao Li, Fenzan Wu, Xie Zhang, Yi Chai, Daqing Chen, Yuetao Yang, Kebin Xu, Jiayu Yin, Rui Li, Hongxue Shi, Zhouguang Wang, Xiaokun Li, Jian Xiao, Hongyu Zhang
Endoplasmic reticulum (ER) stress-induced apoptosis plays an important role in a range of neurological disorders, such as neurodegenerative diseases, spinal cord injury, and diabetic neuropathy. Valproate (VPA), a typical antiepileptic drug, is commonly used in the treatment of bipolar disorder and epilepsy. Recently, VPA has been reported to exert neurotrophic effects and promote neurite outgrowth, but its molecular mechanism is still unclear. In the present study, we investigated whether VPA inhibited ER stress and promoted neuroprotection and neuronal restoration in SH-SY5Y cells and in primary rat cortical neurons, respectively, upon exposure to thapsigargin (TG)...
February 8, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28207990/carbonic-anhydrase-and-urease-inhibitory-potential-of-various-plant-phenolics-using-in-vitro-and-in-silico-methods
#12
Abdur Rauf, Muslim Raza, Muhammad Saleem, Ufuk Ozgen, Esen Sezen Karaoglan, Gulin Renda, Erhan Palaska, Ilkay Erdogan Orhan
Plant phenolics are known to display many pharmacological activities. In the current study, eight phenolic compounds [e.g. luteolin 5-O-β-glucoside (1), methyl rosmarinate (2), apigenin (3), vicenin 2 (4), lithospermic acid (5), soyasaponin II (6), rubiadin 3-O-β-primeveroside (7), 4(3,4dihydroxybenzoyloxymethyl)phenyl-O-β-D-glucopyranoside (8)] isolated from various plant species were tested at 0.2 mM against carbonic anhydrase-II (CA-II) and urease using microtiter assays. Urease inhibition rate for compounds 1-8 ranged between 5...
February 16, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28207730/giant-cell-arteritis-treatment-failure-resulting-from-probable-steroid-antiepileptic-drug-drug-interaction
#13
Eoin Mulroy, John Highton, Sarah Jordan
No abstract text is available yet for this article.
February 17, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28202399/the-epidemiology-of-stevens-johnson-syndrome-and-toxic-epidermal-necrolysis-in-the-uk
#14
Noel Frey, Janine Jossi, Michael Bodmer, Andreas Bircher, Susan S Jick, Christoph R Meier, Julia Spoendlin
Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are rare but life-threatening mucocutaneous diseases. SJS/TEN mostly manifest as a reaction to new drug use, but little is known about their incidence and epidemiology. We conducted a large observational study on the epidemiology of SJS/TEN using data from the UK-based Clinical Practice Research Datalink. Among 551 validated SJS/TEN cases, we calculated an incidence rate of 5.76 SJS/TEN cases/million person-years between 1995 and 2013, which was consistent throughout the study period, and was highest in patients aged 1-10 years and ≥80 years...
February 12, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28202327/synthesis-and-evaluation-of-anticonvulsant-properties-of-new-n-mannich-bases-derived-from-pyrrolidine-2-5-dione-and-its-3-methyl-3-isopropyl-and-3-benzhydryl-analogs
#15
Sabina Rybka, Jolanta Obniska, Anna Rapacz, Barbara Filipek, Paweł Żmudzki
The aim of this paper was to describe the synthesis of a library of 28 new 1,3-substituted pyrrolidine-2,5-dione as potential anticonvulsant agents. The anticonvulsant activity was evaluated using three acute models of seizures in mice (MES-maximal electroshock, scPTZ-subcutaneous pentylenetetrazole, and 6Hz-psychomotor seizure tests). The neurotoxicity was determined by rotarod test. The most promising compound was found to be N-[{morpholin-1-yl}-methyl]-3-benzhydryl-pyrrolidine-2,5-dione (15), as it was active in the MES (ED50=41...
February 4, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28202284/post-stroke-epilepsy
#16
REVIEW
Tomotaka Tanaka, Masafumi Ihara
Post-stroke epilepsy (PSE) is a common complication after stroke, yet treatment options remain limited. While many physicians prescribe antiepileptic drugs (AED) for secondary prevention of PSE, it is unclear which treatments are most effective in the prevention of recurrence of symptoms, or whether such therapy is needed for primary prevention. This review discusses the current understanding of epidemiology, diagnoses, mechanisms, risk factors, and treatments of PSE.
February 12, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28202262/cognitive-and-behavioral-effects-of-new-antiepileptic-drugs-in-pediatric-epilepsy
#17
REVIEW
Romina Moavero, Marta Elena Santarone, Cinzia Galasso, Paolo Curatolo
BACKGROUND: In pediatric epilepsy, neurodevelopmental comorbidities could be sometimes even more disabling than seizures themselves, therefore it is crucial for the clinicians to understand how to benefit these children, and to choose the proper antiepileptic drug for the treatment of epilepsy associated to a specific neurodevelopmental disorder. Aim of this paper is to discuss the potential impact on cognition and behavior of new and newest AEDs and to guide the choice of the clinicians for a targeted use in epilepsy associated with specific neurodevelopmental disorders...
February 12, 2017: Brain & Development
https://www.readbyqxmd.com/read/28202008/relationship-between-abcb1-3435tt-genotype-and-antiepileptic-drugs-resistance-in-epilepsy-updated-systematic-review-and-meta-analysis
#18
Malek Chouchi, Wajih Kaabachi, Hedia Klaa, Kalthoum Tizaoui, Ilhem Ben-Youssef Turki, Lamia Hila
BACKGROUND: Antiepileptic drugs (AEDs) are effective medications available for epilepsy. However, many patients do not respond to this treatment and become resistant. Genetic polymorphisms may be involved in the variation of AEDs response. Therefore, we conducted an updated systematic review and a meta-analysis to investigate the contribution of the genetic profile on epilepsy drug resistance. METHODS: We proceeded to the selection of eligible studies related to the associations of polymorphisms with resistance to AEDs therapy in epilepsy, published from January 1980 until November 2016, using Pubmed and Cochrane Library databases...
February 15, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28199998/delayed-intraparenchymal-and-intraventricular-hemorrhage-requiring-surgical-evacuation-after-mri-guided-laser-interstitial-thermal-therapy-for-lesional-epilepsy
#19
Sean M Barber, Luke Tomycz, Timothy George, Dave F Clarke, Mark Lee
BACKGROUND: Symptomatic intracranial hemorrhage is a rare complication of laser interstitial thermal therapy (LITT). OBJECTIVES: To present a unique case of delayed symptomatic intracranial hemorrhage occurring after a LITT procedure for epilepsy in a high-volume center (68 LITT procedures for pediatric epilepsy have been performed). METHODS: An 18-year-old male with epilepsy underwent LITT to an area of heterotopia near the right lateral ventricle...
February 16, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28199897/real-world-utility-of-whole-exome-sequencing-with-targeted-gene-analysis-for-focal-epilepsy
#20
Piero Perucca, Ingrid E Scheffer, A Simon Harvey, Paul A James, Sebastian Lunke, Natalie Thorne, Clara Gaff, Brigid M Regan, John A Damiano, Michael S Hildebrand, Samuel F Berkovic, Terence J O'Brien, Patrick Kwan
OBJECTIVE: Driven by advances in genomic technology and reduction in costs, next-generation sequencing (NGS) is venturing into routine clinical care. The 'real-world' clinical utility of NGS remains to be determined in focal epilepsies, which account for 60% of all epilepsies and for which the importance of genetic factors is just beginning to emerge. We investigated the diagnostic yield and management implications of whole exome sequencing (WES)-based screening of selected genes in the routine care of common focal epilepsies suspected to have a genetic basis...
February 7, 2017: Epilepsy Research
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