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https://www.readbyqxmd.com/read/28936771/functional-investigation-of-a-grin2a-variant-associated-with-rolandic-epilepsy
#1
Xing-Xing Xu, Xiao-Rong Liu, Cui-Ying Fan, Jin-Xing Lai, Yi-Wu Shi, Wei Yang, Tao Su, Jun-Yu Xu, Jian-Hong Luo, Wei-Ping Liao
N-methyl-D-aspartate receptors (NMDARs), a subtype of glutamate-gated ion channels, play a central role in epileptogenesis. Recent studies have identified an increasing number of GRIN2A (a gene encoding the NMDAR GluN2A subunit) mutations in patients with epilepsy. Phenotypes of GRIN2A mutations include epilepsy-aphasia disorders and other epileptic encephalopathies, which pose challenges in clinical treatment. Here we identified a heterozygous GRIN2A mutation (c.1341T>A, p.N447K) from a boy with Rolandic epilepsy by whole-exome sequencing...
September 21, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28931473/psychiatric-and-behavioral-side-effects-of-antiepileptic-drugs-in-adults-with-epilepsy
#2
Baibing Chen, Hyunmi Choi, Lawrence J Hirsch, Austen Katz, Alexander Legge, Richard Buchsbaum, Kamil Detyniecki
PURPOSE: Psychiatric and behavioral side effects (PBSEs) are common, undesirable effects associated with antiepileptic drug (AED) use. The objective of the study was to compare the PBSE profiles of older and newer AEDs in a large specialty practice-based sample of patients diagnosed with epilepsy. METHODS: As part of the Columbia and Yale AED Database Project, we reviewed patient records including demographics, medical history, AED use, and side effects for 4085 adult patients (age: 18 years) newly started on an AED regimen...
September 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28928441/effects-of-anti-epileptic-drugs-on-spreading-depolarization-induced-epileptiform-activity-in-mouse-hippocampal-slices
#3
Ching-Huei Lin, Shih-Pin Hsu, Ting-Chun Cheng, Chin-Wei Huang, Yao-Chang Chiang, I-Han Hsiao, Ming-Hsueh Lee, Mei-Lin Shen, Dong Chuan Wu, Ning Zhou
Epilepsy and spreading depolarization (SD) are both episodic brain disorders and often exist together in the same individual. In CA1 pyramidal neurons of mouse hippocampal slices, induction of SD evoked epileptiform activities, including the ictal-like bursts, which occurred during the repolarizing phase of SD, and the subsequent generation of paroxysmal depolarization shifts (PDSs), which are characterized by mild depolarization plateau with overriding spikes. The duration of the ictal-like activity was correlated with both the recovery time and the depolarization potential of SD, whereas the parameters of PDSs were not significantly correlated with the parameters of SD...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28919758/a-case-of-schizophrenia-comorbid-for-tetralogy-of-fallot-treated-with-clozapine-further-considerations-on-a-role-for-22q-11-2-in-the-proneness-for-seizures
#4
Hiroko Kashiwagi, Satoru Ikezawa, Tomiki Sumiyoshi, Atsuko Kadono, Kazuhiko Segawa, Kazuyoshi Takeda, Mayu Omori, Hisako Taguchi, Naotsugu Hirabayashi
We present a case of schizophrenia comorbid for tetralogy of Fallot, without chromosome 22q.11.2 deletion or duplication, treated successfully with a combination of clozapine and antiepileptic drugs. Although clozapine by itself initially triggered convulsive seizures, we continued it with co-administration of valproate and topiramate. This combined treatment did not affect cardiac function of the patient, who experienced a favorable clinical course in terms of symptomatology and functional outcomes. To our knowledge, we provide the first report on a patient with tetralogy of Fallot, in whom 22q...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28919386/comparison-of-lacosamide-versus-sodium-valproate-in-status-epilepticus-a-pilot-study
#5
Usha K Misra, Deepanshu Dubey, Jayantee Kalita
PURPOSE: The purpose of this study was to compare the efficacy and safety of lacosamide (LCM) and sodium valproate (SVA) in lorazepam (LOR)-resistant SE. METHODS: Patients with LOR-resistant SE were randomized to intravenous LCM 400mg at the rate of 60mg/kg/min or SVA 30mg/kg at the rate of 100mg/min. The SE severity score (STESS), duration of SE and its etiology, and MRI findings were noted. Primary outcome was seizure cessation for 1h, and secondary outcomes were 24h seizure remission, in-hospital death, and severe adverse events (SAE)...
September 14, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28916534/pretreatment-behavior-and-subsequent-medication-effects-in-childhood-absence-epilepsy
#6
Ruth C Shinnar, Shlomo Shinnar, Avital Cnaan, Peggy Clark, Dennis Dlugos, Deborah G Hirtz, Fengming Hu, Chunyan Liu, David Masur, Erica F Weiss, Tracy A Glauser
OBJECTIVE: To characterize pretreatment behavioral problems and differential effects of initial therapy in children with childhood absence epilepsy (CAE). METHODS: The Child Behavior Checklist (CBCL) was administered at baseline, week 16-20, and month 12 visits of a randomized double-blind trial of ethosuximide, lamotrigine, and valproate. Total problems score was the primary outcome measure. RESULTS: A total of 382 participants at baseline, 310 participants at the week 16-20 visit, and 168 participants at the month 12 visit had CBCL data...
September 15, 2017: Neurology
https://www.readbyqxmd.com/read/28904569/serum-insulin-and-leptin-levels-in-children-with-epilepsy-on-valproate-associated-obesity
#7
Talha Rehman, Deepak Sachan, Anubhuti Chitkara
BACKGROUND: Weight gain is a common adverse effect of sodium valproic acid (VPA) in children with epilepsy. Several mechanisms of VPA-induced obesity have been suggested such as increased appetite, facultative thermogenesis, and elevated insulin and leptin levels. In this study, we aimed to investigate the role of Insulin and Leptin in the pathogenesis of weight gain caused by VPA. MATERIALS AND METHODS: Body mass index (BMI) was calculated, and serum insulin and leptin levels were measured in 45 consecutive patients and 45 controls...
April 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28902525/lurasidone-efficacy-and-safety-in-the-treatment-of-psychotic-and-mood-disorders
#8
Maurizio Pompili, Claudio Verzura, Giada Trovini, Andrea Buscajoni, Giulia Falcone, Stefano Naim, Adele Nardella, Serena Sorice, Ross J Baldessarini, Paolo Girardi
Lurasidone ([3aR,4S,7R,7aS]-2-[(1R,2R)-2-[4-(1,2-benzisothiazol-3-yl)piperazin-1yl-methyl] cyclohexylmethyl]-hexahydro-4,7-methano-2H-isoindole-1,3-dione hydrochloride; Latuda® [LRSD]) is a novel benzisothiazole, second-generation antipsychotic drug developed by Dainippon Sumitomo Pharma Corporation in Japan. Similar to other atypical antipsychotics it has a distinctive pharmacodynamic profile, Areas covered: This review updates reported research findings on the efficacy, safety and tolerability of LRSD for treatment of psychotic and major affective disorders, with meta-analyses...
September 13, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28899464/-effect-of-sodium-valproate-therapy-on-bone-metabolism
#9
Chun-Feng Wu
No abstract text is available yet for this article.
September 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28899463/-bone-metabolism-disorders-caused-by-sodium-valproate-therapy-in-children-with-epilepsy-and-the-prevention-of-the-disorders-by-supplementation-of-calcium-and-vitamin-d
#10
Ying-Wu Liang, Qing Feng, Yan-Li Zhang, Wen-Jun Wang
No abstract text is available yet for this article.
September 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28894008/genetic-disruption-of-ankyrin-g-in-adult-mouse-forebrain-causes-cortical-synapse-alteration-and-behavior-reminiscent-of-bipolar-disorder
#11
Shanshan Zhu, Zachary A Cordner, Jiali Xiong, Chi-Tso Chiu, Arabiye Artola, Yanning Zuo, Andrew D Nelson, Tae-Yeon Kim, Natalya Zaika, Brian M Woolums, Evan J Hess, Xiaofang Wang, De-Maw Chuang, Mikhail M Pletnikov, Paul M Jenkins, Kellie L Tamashiro, Christopher A Ross
Genome-wide association studies have implicated the ANK3 locus in bipolar disorder, a major human psychotic illness. ANK3 encodes ankyrin-G, which organizes the neuronal axon initial segment (AIS). We generated a mouse model with conditional disruption of ANK3 in pyramidal neurons of the adult forebrain (Ank-G cKO). This resulted in the expected loss of pyramidal neuron AIS voltage-gated sodium and potassium channels. There was also dramatic loss of markers of afferent GABAergic cartridge synapses, resembling the cortical microcircuitry changes in brains from psychotic patients, and suggesting disinhibition...
September 11, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28893434/biallelic-mutations-in-szt2-cause-a-discernible-clinical-entity-with-epilepsy-developmental-delay-macrocephaly-and-a-dysmorphic-corpus-callosum
#12
Yuji Nakamura, Yasuko Togawa, Yusuke Okuno, Hideki Muramatsu, Kazuhiko Nakabayashi, Yoko Kuroki, Daisuke Ieda, Ikumi Hori, Yutaka Negishi, Takao Togawa, Ayako Hattori, Seiji Kojima, Shinji Saitoh
Mutations in SZT2 were first reported in 2013 as a cause of early-onset epileptic encephalopathy. Because only five reports have been published to date, the clinical features associated with SZT2 remain unclear. We herein report an additional patient with biallelic mutations in SZT2. The proband, a four-year-old girl, showed developmental delay and seizures from two years of age. Her seizures were not intractable and readily controlled by valproate. She showed mildly dysmorphic facies with macrocephaly, high forehead, and hypertelorism, and also had pectus carinatum...
September 8, 2017: Brain & Development
https://www.readbyqxmd.com/read/28885085/targeting-the-central-projection-of-the-dural-trigeminovascular-system-for-migraine-prophylaxis
#13
Simon Akerman, Marcela Romero-Reyes
Migraine abortives likely target both peripheral-dural and central trigeminovascular mechanisms in mediating their therapeutic effects. However, in preclinical assays, many migraine preventives have little success at inhibiting similar trigeminovascular-mediated peripheral changes within the dural microenvironment. In addition, their effects on central trigeminovascular neuronal responses are largely unknown. Using a validated preclinical model of acute dural-intracranial (migraine-like) head pain, using Sprague Dawley rats, we tested whether migraine preventives suppress ongoing firing of central trigeminocervical neurons, and evoked responses to cranial neurovascular activation...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28882687/sodium-valproate-and-clozapine-induced-neutropenia-a-case-control-study-using-register-data
#14
Steffi Malik, John Lally, Olesya Ajnakina, Megan Pritchard, Amir Krivoy, Fiona Gaughran, Hitesh Shetty, Robert J Flanagan, James H MacCabe
BACKGROUND: The use of clozapine is limited due to the occurrence of neutropenia, and the rare but life threatening adverse event of agranulocytosis. There is little epidemiological research into clinical factors that may impact on this risk. We conducted a case control study examining the clinical risk factors for neutropenia patients treated with clozapine. METHOD: A case-control study was conducted within a database of anonymised electronic clinical records. All patients who discontinued clozapine due to a neutropenic event were included as cases...
September 4, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28879549/decreased-platelet-count-in-children-with-epilepsy-treated-with-valproate-and-its-relationship-to-the-immature-platelet-fraction
#15
Hirokazu Kurahashi, Akiyoshi Takami, Kenta Murotani, Shingo Numoto, Akihisa Okumura
This study examined relationships between valproate (VPA) and platelet count and immature platelet fraction (IPF). We compared the platelet count and IPF among three groups of children: those treated with VPA, those treated with other antiepileptic drugs (AEDs), and a reference group. IPF was measured using flow cytometry, and absolute immature platelet count (A-IPC) was calculated. The platelet count was significantly lower in the VPA group than in other AED and reference groups. In all groups, IPF was negatively correlated with platelet count...
September 6, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28868622/proliferation-inhibition-of-cisplatin-resistant-ovarian-cancer-cells-using-drugs-screened-by-integrating-a-metabolic-model-and-transcriptomic-data
#16
E Motamedian, E Taheri, F Bagheri
OBJECTIVES: If screening to find effective drugs is possible, the inhibition of proliferation using existing drugs can be a practical strategy to control the drug resistance of cancer. Development of a system-oriented strategy to find effective drugs was the main aim of this research. MATERIALS AND METHODS: An algorithm (transcriptional regulated flux balance analysis [TRFBA]) integrating a generic human metabolic model with transcriptomic data was used to identify genes affecting the growth of drug-resistant cancer cells...
September 3, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28867572/pharmacokinetic-and-pharmacodynamic-interaction-of-hydroalcoholic-extract-of-ocimum-sanctum-with-valproate
#17
Sudhir Chandra Sarangi, Dipesh Joshi, Ritesh Kumar, Thomas Kaleekal, Yogendra Kumar Gupta
For effective control of seizures, antiepileptic drugs (AEDs) are administered at higher dose which is associated with several adverse effects. This study envisaged antiepileptic and neuroprotective potential of Tulsi, a commonly used herb for its immunomodulatory property. The optimal dose of Ocimum sanctum hydroalcoholic extract (OSHE) was determined using maximal electroshock seizure (MES)- and pentylenetetrazol (PTZ)-induced seizure models in Wistar rats (200-250g) after administering OSHE (200-1000mg/kg) orally for 14days...
August 31, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28860774/bipolar-ii-disorder-as-the-initial-presentation-of-cadasil-an-underdiagnosed-manifestation
#18
Jianjun Wang, Jinfang Li, Fanxin Kong, Hanqing Lv, Zhouke Guo
Mood disturbances have been documented in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). The highly varied morbidity indicates that the affective symptoms in CADASIL have not been cataloged systematically, leading to ineffective treatment, affecting the patients' quality of life, and possibly resulting in suicide. We present a case of CADASIL with bipolar II disorder as the first manifestation. A middle-aged female reported recurrent depressive episodes and appeared treatment resistant to adequate dosages and durations of antidepressants...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28859122/effects-of-arachidonyl-2-chloroethylamide-acea-on-the-protective-action-of-various-antiepileptic-drugs-in-the-6-hz-corneal-stimulation-model-in-mice
#19
Jarogniew J Luszczki, Pawel Patrzylas, Miroslaw Zagaja, Marta Andres-Mach, Katarzyna Zaluska, Maria W Kondrat-Wrobel, Monika Szpringer, Jaroslaw Chmielewski, Magdalena Florek-Luszczki
Accumulating evidence indicates that cannabinoid CB1 receptor ligands play a pivotal role in seizures, not only in preclinical studies on animals, but also in clinical settings. This study was aimed at characterizing the influence of arachidonyl-2'-chloroethylamide (ACEA-a selective cannabinoid CB1 receptor agonist) co-administered with phenylmethylsulfonyl fluoride (PMSF) on the anticonvulsant potency of various antiepileptic drugs (clobazam, lacosamide, levetiracetam, phenobarbital, tiagabine and valproate) in the 6-Hz corneal stimulation model...
2017: PloS One
https://www.readbyqxmd.com/read/28857179/comparative-effectiveness-of-antiepileptic-drugs-in-patients-with-mesial-temporal-lobe-epilepsy-with-hippocampal-sclerosis
#20
Ganna Androsova, Roland Krause, Mojgansadat Borghei, Merel Wassenaar, Pauls Auce, Andreja Avbersek, Felicitas Becker, Bianca Berghuis, Ellen Campbell, Antonietta Coppola, Ben Francis, Stefan Wolking, Gianpiero L Cavalleri, John Craig, Norman Delanty, Bobby P C Koeleman, Wolfram S Kunz, Holger Lerche, Anthony G Marson, Josemir W Sander, Graeme J Sills, Pasquale Striano, Federico Zara, Sanjay M Sisodiya, Chantal Depondt
OBJECTIVE: Mesial temporal lobe epilepsy with hippocampal sclerosis (MTLE-HS) is a common epilepsy syndrome that is often poorly controlled by antiepileptic drug (AED) treatment. Comparative AED effectiveness studies in this condition are lacking. We report retention, efficacy, and tolerability in a cohort of patients with MTLE-HS. METHODS: Clinical data were collected from a European database of patients with epilepsy. We estimated retention, 12-month seizure freedom, and adverse drug reaction (ADR) rates for the 10 most commonly used AEDs in patients with MTLE-HS...
August 31, 2017: Epilepsia
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