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Anti-epilepsy

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https://www.readbyqxmd.com/read/29116485/prevalence-risk-factors-and-response-to-treatment-for-hypersomnia-of-central-origin-in-survivors-of-childhood-brain-tumors
#1
Raja B Khan, Thomas E Merchant, Zsila S Sadighi, Mercedes S Bello, Zhaohua Lu, April Sykes, Merrill S Wise, Valerie M Crabtree, Jennifer Zabrowski, Andrea Simmons, Mary E Clark, Belinda N Mandrell
Daytime sleepiness is recognized in childhood brain tumor survivors. Our objective was to determine prevalence, risk factors for PSG/MLST proven hypersomnia/narcolepsy, and response to stimulants in childhood brain tumor survivors. Standard PSG/MSLT criteria were used to diagnose hypersomnia/narcolepsy. Medical records of brain tumor survivors having undergone a PSG/MSLT were reviewed for the diagnostic code of hypersomnia/narcolepsy. Survivors with hypersomnia/narcolepsy were matched with 2-3 survivors without reported hypersomnia/narcolepsy by age at tumor diagnosis, gender, and time from tumor diagnosis...
November 8, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29069823/microrna-134-plasma-levels-before-and-after-treatment-with-valproic-acid-for-epilepsy-patients
#2
Xiaofeng Wang, Yifeng Luo, Shuangxi Liu, Liming Tan, Sanhu Wang, Rongyong Man
BACKGROUND: Temporal lobe epilepsy is the second most common neurological disorders characterized by recurrent spontaneous seizures. MicroRNAs play a vital role in regulating synaptic plasticity, brain development and post-transcriptional expression of proteins. In both animal models of epilepsy and human patients, miR-134, a brain-specific microRNA has recently been identified as a potential regulator of epileptogenesis. METHODS: microRNA identified as targets for the actions of valproic acid (VPA) are known to have important effects in brain function...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28990289/valproate-plays-a-protective-role-against-migraine-by-inhibiting-protein-kinase-c-signalling-in-nitroglycerin-treated-mice
#3
Lian Yi, Qiong Wu, Nan Chen, Ge Song, Chao Wang, Qiaoge Zou, Zhongling Zhang
Migraine is a common disease with a high morbidity. Valproate (VP) is used as an anti-epilepsy drug in clinic. This study aimed to investigate the role of VP in nitroglycerin (NTG)-induced migraine using a mouse model. NTG was employed by intraperitoneal injection to induce a migraine model in mice. The NTG administration caused mouse head discomforts, decreased tolerance to cold or hot stimulation and increased content of nitric oxide (NO), calcitonin gene related peptide (CGRP) and Neuropeptide Y (NPY) in serum, which were ameliorated by intraperitoneal injection of VP...
October 8, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28895591/development-of-drug-loaded-polymer-microcapsules-for-treatment-of-epilepsy
#4
Yu Chen, Qi Gu, Zhilian Yue, Jeremy M Crook, Simon E Moulton, Mark J Cook, Gordon G Wallace
Despite significant progress in developing new drugs for seizure control, epilepsy still affects 1% of the global population and is drug-resistant in more than 30% of cases. To improve the therapeutic efficacy of epilepsy medication, a promising approach is to deliver anti-epilepsy drugs directly to affected brain areas using local drug delivery systems. The drug delivery systems must meet a number of criteria, including high drug loading efficiency, biodegradability, neuro-cytocompatibility and predictable drug release profiles...
September 26, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28817568/an-optimal-strategy-for-epilepsy-surgery-disruption-of-the-rich-club
#5
Marinho A Lopes, Mark P Richardson, Eugenio Abela, Christian Rummel, Kaspar Schindler, Marc Goodfellow, John R Terry
Surgery is a therapeutic option for people with epilepsy whose seizures are not controlled by anti-epilepsy drugs. In pre-surgical planning, an array of data modalities, often including intra-cranial EEG, is used in an attempt to map regions of the brain thought to be crucial for the generation of seizures. These regions are then resected with the hope that the individual is rendered seizure free as a consequence. However, post-operative seizure freedom is currently sub-optimal, suggesting that the pre-surgical assessment may be improved by taking advantage of a mechanistic understanding of seizure generation in large brain networks...
August 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28770947/clinical-study-on-anti-epileptic-drug-with-b-vitamins-for-the-treatment-of-epilepsy-after-stroke
#6
H Zhou, N Wang, L Xu, H-L Huang, C-Y Yu
OBJECTIVE: To study the clinical value of anti-epileptic drugs combined with B vitamins in the treatment of epilepsy after stroke. PATIENTS AND METHODS: The study included 90 consecutive patients with epilepsy after stroke. Patients were randomly divided into groups of 30 each according to treatment: single-agent or combination anti-epileptic therapy with oxcarbazepine and sodium valproate (control group), anti-epileptic therapy with compound vitamin B tablets (observation group 1), and anti-epileptic therapy with vitamin B12 (mecobalamin) (observation group 2)...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28497669/mapping-seizure-foci-and-tumor-genetic-factors-in-glioma-associated-seizure-patients
#7
Mao Yunhe, Yang Yuan, Wang Xiang, Liu Yanhui, Mao Qing
BACKGROUND: Epilepsy, which is the most common symptom accompanying gliomas, was reported as an independent favorable prognosis factor for glioma patients. However, the correlation between glioma location and epilepsy prognosis, genesis and genetic phenotypes of the glioma associated seizure (GAS) patients is far from clear, the purpose of the current study was to provide probabilistic radiographic atlases reflecting seizure susceptible regions, relationship between tumor associated biomarkers and seizure initiation and poor epilepsy prognosis areas...
May 11, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28335772/production-of-s-2-aminobutyric-acid-and-s-2-aminobutanol-in-saccharomyces-cerevisiae
#8
Nora Weber, Anaëlle Hatsch, Ludivine Labagnere, Harald Heider
BACKGROUND: Saccharomyces cerevisiae (baker's yeast) has great potential as a whole-cell biocatalyst for multistep synthesis of various organic molecules. To date, however, few examples exist in the literature of the successful biosynthetic production of chemical compounds, in yeast, that do not exist in nature. Considering that more than 30% of all drugs on the market are purely chemical compounds, often produced by harsh synthetic chemistry or with very low yields, novel and environmentally sound production routes are highly desirable...
March 23, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28242175/epidemiology-of-early-stages-of-epilepsy-risk-of-seizure-recurrence-after-a-first-seizure
#9
REVIEW
Syed Rizvi, Lady Diana Ladino, Lizbeth Hernandez-Ronquillo, José F Téllez-Zenteno
A single unprovoked seizure is a frequent phenomenon in the general population and the rate of seizure recurrence can vary widely. Individual risk prognostication is crucial in predicting patient outcomes and guiding treatment decisions. In this article, we review the most important risk factors associated with an increased likelihood of seizure recurrence after a single unprovoked seizure. In summary, the presence of focal seizure, nocturnal seizure, history of prior brain injury, family history of epilepsy, abnormal neurological exam, epileptiform discharges on electroencephalography and neuroimaging abnormalities, portend increased risk of seizure recurrence...
February 14, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28223259/use-of-an-antiepileptic-drug-to-control-epileptic-seizures-associated-with-cranioplasty-a-randomized-controlled-trial
#10
RANDOMIZED CONTROLLED TRIAL
Fei Chen, Yaqi Duan, Yongqin Li, Wenjie Han, Weilei Shi, Weiwei Zhang, Yonghua Huang
BACKGROUND: Epilepsy is a common complication of cranioplasty. The present study was designed to explore the clinical effect of prophylactic anti-epilepsy drugs (AED) to control epileptic seizures associated with cranioplasty. METHODS: and design: This trial was a prospective, randomized, open-label, single-centre, active controlled study designed to investigate the use of antiepileptic drug to control epileptic seizures associated with cranioplasty. We tested the necessity and methods of drug use...
April 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/27942417/quantitative-structure-activity-relationship-and-molecular-docking-studies-of-a-series-of-quinazolinonyl-analogues-as-inhibitors-of-gamma-amino-butyric-acid-aminotransferase
#11
Usman Abdulfatai, Adamu Uzairu, Sani Uba
Quantitative structure-activity relationship and molecular docking studies were carried out on a series of quinazolinonyl analogues as anticonvulsant inhibitors. Density Functional Theory (DFT) quantum chemical calculation method was used to find the optimized geometry of the anticonvulsants inhibitors. Four types of molecular descriptors were used to derive a quantitative relation between anticonvulsant activity and structural properties. The relevant molecular descriptors were selected by Genetic Function Algorithm (GFA)...
January 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/27453818/successful-hemispherotomy-for-a-patient-with-intractable-epilepsy-secondary-to-bilateral-congenital-brain-malformation-with-lateralized-pyramidal-tract-of-diffusion-tensor-image-tractography
#12
Yuri Nagai, Ayataka Fujimoto, Tohru Okanishi, Hironao Motoi, Sotaro Kanai, Takuya Yokota, Hideo Enoki, Mitsuyo Nishimura, Takamichi Yamamoto
PURPOSE: To perform an epilepsy surgery on a patient with drug resistant epilepsy secondary to bilateral brain malformation. The patient was a 2-year 9-month-old boy who had congenital bilateral multiple abnormalities. He developed a complex partial seizure at 9 months old. Based on the presurgical evaluations, he underwent a right hemispherotomy. RESULTS: Brain MRI revealed congenital bilateral polymicrogyria, right schizencephaly, and corpus callosum agenesis...
2016: Epilepsy & Behavior Case Reports
https://www.readbyqxmd.com/read/27323319/kangxian-capsules-effects-on-convulsive-injuries-n-methyl-d-aspartate-nmda-receptor-subunit-expression-and-free-ca-2-concentration-in-a-rat-hippocampal-neuron-epileptic-discharge-model
#13
Xian-Qing Ren, Rong Ma, Chang-Quan Yang, Quan-Hui Liu, Ju Jiao, Xi-Lian Zhang, Ping Rong
PURPOSE: To investigate the effects and mechanisms of Kangxian (KX) capsules on hippocampal neuron convulsive injuries. METHODS: An epileptic discharge model was prepared with hippocampal neurons and divided into groups that were subjected to control, Mg-free, MK801, or anti-epilepsy (KX) interventions for 6 or 24h. The N-methyl-d-aspartate (NMDA) receptor channel current was recorded with a whole-cell patch-clamp technique, and the decay tau was determined from the receptor channel attenuation...
August 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27188845/physiological-maturation-and-drug-responses-of-human-induced-pluripotent-stem-cell-derived-cortical-neuronal-networks-in-long-term-culture
#14
A Odawara, H Katoh, N Matsuda, I Suzuki
The functional network of human induced pluripotent stem cell (hiPSC)-derived neurons is a potentially powerful in vitro model for evaluating disease mechanisms and drug responses. However, the culture time required for the full functional maturation of individual neurons and networks is uncertain. We investigated the development of spontaneous electrophysiological activity and pharmacological responses for over 1 year in culture using multi-electrode arrays (MEAs). The complete maturation of spontaneous firing, evoked responses, and modulation of activity by glutamatergic and GABAergic receptor antagonists/agonists required 20-30 weeks...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27049990/epilepsy
#15
(no author information available yet)
No abstract text is available yet for this article.
April 6, 2016: Nursing Standard
https://www.readbyqxmd.com/read/26996991/the-microrna-mir-124-suppresses-seizure-activity-and-regulates-creb1-activity
#16
REVIEW
Wei Wang, Xuefeng Wang, Lang Chen, Yujiao Zhang, Zucai Xu, Jing Liu, Guohui Jiang, Jie Li, Xiaogang Zhang, KeWei Wang, Jinghui Wang, Guojun Chen, Jing Luo
miR-124, a brain-specific microRNA, was originally considered as a key regulator in neuronal differentiation and the development of the nervous system. Here we showed that miR-124 expression was suppressed in patients with epilepsy and rats after drug induced-seizures. Intrahippocampal administration of a miR-124 duplex led to alleviated seizure severity and prolonged onset latency in two rat models (pentylenetetrazole- and pilocarpine-induced seizures), while miR-124 inhibitor led to shortened onset latency in pilocarpine-induced seizure rat models...
March 21, 2016: Expert Reviews in Molecular Medicine
https://www.readbyqxmd.com/read/26984292/practice-update-review-of-anticonvulsant-therapy
#17
REVIEW
Derek J Chong, Andrew M Lerman
Since 2010, the Food and Drug Administration has approved the use of four new anti-epilepsy drugs (AEDs) for the treatment of epilepsy in the USA: clobazam (Onfi), ezogabine (Potiga), perampanel (Fycompa), and eslicarbazepine (Aptiom) as well as two extended release formulations, topiramate ER (Qudexy XR and Trokendi) and oxcarbazepine ER (Oxtellar). This not only provides practitioners ample choice to match medication profiles to their patients' preferences and co-morbidities better, but also challenges us to be proficient in the use of all...
April 2016: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/26390643/-development-and-research-advances-of-iridoids-from-valeriana-jatamansi-and-their-bioactivity
#18
REVIEW
Ning-ning Zhang, Guang-zhi Ding
Valeriana jatamansi (syn. V. wallichii), a traditional Chinese medicine recorded in Chinese Pharmacopeia (1977 and 2010 edition), has been used for treatment of a variety of conditions including sleep problems, obesity, nervous disorders, epilepsy, insanity, snake poisoning, eye trouble, and skin diseases. Also, it was used as an important substitute for the European V. officinalis, whose root preparation, popularly known as valerian, has been employed as a mild sedative for a long time. In recent years, much attention has been draw to the iridoids, one of the major bioactive constituents of V...
May 2015: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/26386393/neuroprotective-effects-of-chrysin-from-chemistry-to-medicine
#19
REVIEW
Seyed Fazel Nabavi, Nady Braidy, Solomon Habtemariam, Ilkay Erdogan Orhan, Maria Daglia, Azadeh Manayi, Olga Gortzi, Seyed Mohammad Nabavi
The World Health Organization estimated that the proportion of older people (over 60 years) will increase from 11% to 22% during next 40 years throughout the world. With respect to this, the morbidity and mortality rates of age-related diseases will increase. Mental diseases are the most common and important health problems among elderly people. Therefore, much attention has been paid to the discovery of neuroprotective drugs with high efficacy and negligible adverse effects. A growing body of scientific evidence has shown that phytochemicals possess neuroprotective effects and also mitigate neurodegeneration under both in vivo and in vitro conditions...
November 2015: Neurochemistry International
https://www.readbyqxmd.com/read/26377107/association-of-microtubule-dynamics-with-chronic-epilepsy
#20
Xin Xu, Yida Hu, Yan Xiong, Zhonggui Li, Wei Wang, Chao Du, Yong Yang, Yanke Zhang, Fei Xiao, Xuefeng Wang
Approximately 30 % of epilepsy cases are refractory to current pharmacological treatments through unknown mechanisms. Much work has been done on the role of synaptic components in the pathogenesis of epilepsy, but relatively little attention has been given to the potential role of the microtubules. We investigated the level of microtubule dynamic in 30 human epileptic tissues and two different chronic epilepsy rat models. The administration of microtubule-modulating agent attenuated the progression of chronic epilepsy...
September 2016: Molecular Neurobiology
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