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https://www.readbyqxmd.com/read/28990168/automated-analysis-of-seizure-semiology-and-brain-electrical-activity-in-presurgery-evaluation-of-epilepsy-a-focused-survey
#1
REVIEW
David Ahmedt-Aristizabal, Clinton Fookes, Sasha Dionisio, Kien Nguyen, João Paulo S Cunha, Sridha Sridharan
Epilepsy being one of the most prevalent neurological disorders, affecting approximately 50 million people worldwide, and with almost 30-40% of patients experiencing partial epilepsy being nonresponsive to medication, epilepsy surgery is widely accepted as an effective therapeutic option. Presurgical evaluation has advanced significantly using noninvasive techniques based on video monitoring, neuroimaging, and electrophysiological and neuropsychological tests; however, certain clinical settings call for invasive intracranial recordings such as stereoelectroencephalography (SEEG), aiming to accurately map the eloquent brain networks involved during a seizure...
October 9, 2017: Epilepsia
https://www.readbyqxmd.com/read/28966631/primary-cilia-as-a-novel-horizon-between-neuron-and-environment
#2
REVIEW
Gregory W Kirschen, Qiaojie Xiong
The primary cilium, a hair-like sensory organelle found on most mammalian cells, has gained recent attention within the field of neuroscience. Although neural primary cilia have been known to play a role in embryonic central nervous system patterning, we are just beginning to appreciate their importance in the mature organism. After several decades of investigation and controversy, the neural primary cilium is emerging as an important regulator of neuroplasticity in the healthy adult central nervous system...
August 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28956955/a-resurging-boom-in-new-drugs-for-epilepsy-and-brain-disorders
#3
Iyan Younus, Doodipala Samba Reddy
Epilepsy is one of the most common neurological diseases affecting approximately 50 million people worldwide. Despite many advances in epilepsy research, nearly a third of patients with epilepsy have refractory or pharmacoresistant epilepsy. Despite the approval of a dozen antiepileptic drugs (AEDs) over the past decade, there are no agents that halt the development of epilepsy. Thus, newer and better AEDs that can prevent refractory seizures and modify the disease are needed for curing epilepsy. Areas Covered: In this article, we highlight the recent advances and emerging trends in new and innovative drugs for epilepsy and seizure disorders...
September 28, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28936771/functional-investigation-of-a-grin2a-variant-associated-with-rolandic-epilepsy
#4
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/28932874/-epilepsy-new-diagnostic-tools-old-drugs-therapeutic-consequences-of-epilepsy-genetics
#5
REVIEW
M Tacke, B A Neubauer, L Gerstl, T Roser, J Rémi, I Borggraefe
BACKGROUND: Recent advances in the field of epilepsy genetics have led to an increased fraction of patients with epilepsies where the etiology of the disease could be identified. Nevertheless, there is some criticism regarding the use of epilepsy genetics because in many cases the identification of a pathogenetic mutation does not lead to an adaptation of therapy or to an improved prognosis. In addition, the interpretation of genetic results might be complicated due to the considerable numbers of variants of unclear significance...
September 20, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28917501/personalized-translational-epilepsy-research-novel-approaches-and-future-perspectives-part-i-clinical-and-network-analysis-approaches
#6
REVIEW
Felix Rosenow, Natascha van Alphen, Albert Becker, Andreas Chiocchetti, Ralf Deichmann, Thomas Deller, Thomas Freiman, Christine M Freitag, Johannes Gehrig, Anke M Hermsen, Peter Jedlicka, Christian Kell, Karl Martin Klein, Susanne Knake, Dimitri M Kullmann, Stefan Liebner, Braxton A Norwood, Diana Omigie, Karlheinz Plate, Andreas Reif, Philipp S Reif, Yvonne Reiss, Jochen Roeper, Michael W Ronellenfitsch, Stephanie Schorge, Gerhard Schratt, Stephan W Schwarzacher, Joachim P Steinbach, Adam Strzelczyk, Jochen Triesch, Marlies Wagner, Matthew C Walker, Frederic von Wegner, Sebastian Bauer
Despite the availability of more than 15 new "antiepileptic drugs", the proportion of patients with pharmacoresistant epilepsy has remained constant at about 20-30%. Furthermore, no disease-modifying treatments shown to prevent the development of epilepsy following an initial precipitating brain injury or to reverse established epilepsy have been identified to date. This is likely in part due to the polyetiologic nature of epilepsy, which in turn requires personalized medicine approaches. Recent advances in imaging, pathology, genetics and epigenetics have led to new pathophysiological concepts and the identification of monogenic causes of epilepsy...
September 13, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28917498/personalized-translational-epilepsy-research-novel-approaches-and-future-perspectives-part-ii-experimental-and-translational-approaches
#7
REVIEW
Sebastian Bauer, Natascha van Alphen, Albert Becker, Andreas Chiocchetti, Ralf Deichmann, Thomas Deller, Thomas Freiman, Christine M Freitag, Johannes Gehrig, Anke M Hermsen, Peter Jedlicka, Christian Kell, Karl Martin Klein, Susanne Knake, Dimitri M Kullmann, Stefan Liebner, Braxton A Norwood, Diana Omigie, Karlheinz Plate, Andreas Reif, Philipp S Reif, Yvonne Reiss, Jochen Roeper, Michael W Ronellenfitsch, Stephanie Schorge, Gerhard Schratt, Stephan W Schwarzacher, Joachim P Steinbach, Adam Strzelczyk, Jochen Triesch, Marlies Wagner, Matthew C Walker, Frederic von Wegner, Felix Rosenow
Despite the availability of more than 15 new "antiepileptic drugs", the proportion of patients with pharmacoresistant epilepsy has remained constant at about 20-30%. Furthermore, no disease-modifying treatments shown to prevent the development of epilepsy following an initial precipitating brain injury or to reverse established epilepsy have been identified to date. This is likely in part due to the polyetiologic nature of epilepsy, which in turn requires personalized medicine approaches. Recent advances in imaging, pathology, genetics, and epigenetics have led to new pathophysiological concepts and the identification of monogenic causes of epilepsy...
September 13, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28917281/magnetic-resonance-thermometry-and-laser-interstitial-thermal-therapy-for-brain-tumors
#8
REVIEW
Danilo Silva, Mayur Sharma, Rupa Juthani, Antonio Meola, Gene H Barnett
Recent technological advancements in intraoperative imaging are shaping the way for a new era in brain tumor surgery. Magnetic resonance thermometry has provided intraoperative real-time imaging feedback for safe and effective application of laser interstitial thermal therapy (LITT) in neuro-oncology. Thermal ablation has also established itself as a surgical option in epilepsy surgery and is currently used in spine oncology with promising results. This article reviews the principles and rationale as well as the clinical application of LITT for brain tumors...
October 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28914199/clinical-applications-of-intravenous-immunoglobulins-in-child-neurology
#9
Maria Gogou, Efimia Papadopoulou-Alataki, Martha Spilioti, Sofia Alataki, Athanasios Evangeliou
BACKGROUND: While there are guidelines for the use of intravenous immunoglobulins in children with Guillain-Barre syndrome and myasthenia gravis based on high-level evidence studies, data is fewer for the majority of neurologic disorders in this age group. Neuronal antibodies are detected in children with seizures of autoimmune etiology. Intravenous immunoglobulins with their broad immunomodulatory mechanism of action could be ideally effective in different forms of immune-dysregulated intractable epilepsies such as autoimmune epilepsy and autoimmune Rasmussen encephalitis...
September 15, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28899045/recent-advances-in-epilepsy-surgery-and-achieving-best-outcomes-using-high-frequency-oscillations-diffusion-tensor-imaging-magnetoencephalography-intraoperative-neuromonitoring-focal-cortical-dysplasia-and-bottom-of-sulcus-dysplasia
#10
https://www.readbyqxmd.com/read/28891449/role-of-pharmacogenomics-in-antiepileptic-drug-therapy-current-status-and-future-perspectives
#11
Antonio Gambardella, Angelo Labate, Laura Mumoli, Iscia Lopes-Cendes, Fernando Cendes
BACKGROUND: Growing evidence indicates that pharmacogenomics will positively impact treatment for patients with epilepsy in the near future, leading to the implementation of a precision-based use of antiepileptic drug (AED) therapy, thereby providing a cornerstone for precision medicine. OBJECTIVE: In this review, we briefly summarize the studies of pharmacogenomics in epilepsy, recent advances, and how it may progress in the future. METHODS: We subdivided the review into two main sections: genetic variants that may modulate response to AEDs through pharmacokinetics or pharmacodynamics mechanisms; and gene variants that may affect tolerability and safety of AEDs...
September 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28878340/the-pharmacogenomics-of-valproic-acid
#12
REVIEW
Miao-Miao Zhu, Hui-Lan Li, Li-Hong Shi, Xiao-Ping Chen, Jia Luo, Zan-Ling Zhang
Valproic acid is an anticonvulsant and mood-stabilizing drug used primarily in the treatment of epilepsy and bipolar disorder. Adverse effects of valproic acid are rare, but hepatotoxicity is severe in particular in those younger than 2 years old and polytherapy. During valproic acid treatment, it is difficult for prescribers to predict its individual response. Recent advances in the field of pharmacogenomics have indicated variants of candidate genes that affect valproic acid efficacy and safety. In this review, a large number of candidate genes that influence valproic acid pharmacokinetics and pharmacodynamics are discussed, including metabolic enzymes, drug transporters, neurotransmitters and drug targets...
September 7, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28865303/defects-at-the-crossroads-of-gabaergic-signaling-in-generalized-genetic-epilepsies
#13
REVIEW
Jing-Qiong Kang
Seizure disorders are very common and affect 3% of the general population. The recurrent unprovoked seizures that are also called epilepsies are highly diverse as to both underlying genetic basis and clinic presentations. Recent genetic advances and sequencing technologies indicate that many epilepsies previously thought to be without known causes, or idiopathic generalized epilepsies (IGEs), are virtually genetic epilepsy as they are caused by genetic variations. IGEs are estimated to account for ∼15-20% of all epilepsies...
August 26, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28857845/epilepsy-and-osteoporosis-risk
#14
Philip M Dussault, Antonio A Lazzari
PURPOSE OF REVIEW: It is well-recognized that individuals with epilepsy have an increased risk of vertebral and nonvertebral fractures; this increased risk has been described to be secondary to an increased bone fragility and to an increased risk of falls. Osteoporosis is the most common bone disease which has been characterized by microarchitectural deterioration of trabecula and cortical bone mass with a decrease in bone mineral density and bone strength. Specific side effects of antiepileptic drugs (AEDs) on bone metabolism have been identified; recent research publications further characterized some of the specific side effects of AEDs on bone metabolism...
August 28, 2017: Current Opinion in Endocrinology, Diabetes, and Obesity
https://www.readbyqxmd.com/read/28857143/gender-equality-in-academic-research-on-epilepsy-a-study-on-scientific-authorships
#15
Michael H K Bendels, Eileen Wanke, Norman Schöffel, Jan Bauer, David Quarcoo, David A Groneberg
OBJECTIVE: The study aims to elucidate the state of gender equality in epilepsy research, analyzing the representation of female authorships from 2008 to 2016. METHODS: Gendermetrics aided in analyzing 106,282 authorships from 22,180 epilepsy-related original research articles. The key methodology was the combined analysis of the relative frequency and the odds ratio of female authorships. The Prestige Index measures the distribution of prestigious authorships between the two genders...
October 2017: Epilepsia
https://www.readbyqxmd.com/read/28796763/national-and-state-estimates-of-the-numbers-of-adults-and-children-with-active-epilepsy-united-states-2015
#16
Matthew M Zack, Rosemarie Kobau
Epilepsy, a brain disorder leading to recurring seizures, has garnered increased public health focus because persons with epilepsy experience pronounced and persistent health and socioeconomic disparities despite treatment advances, public awareness programs, and expanded rights for persons with disabilities (1,2). For almost all states, epilepsy prevalence estimates do not exist. CDC used national data sources including the 2015 National Health Interview Survey (NHIS) for adults (aged ≥18 years), the 2011-2012 National Survey of Children's Health (NSCH), and the 2015 Current Population Survey data, describing 2014 income levels, to estimate prevalent cases of active epilepsy, overall and by state, to provide information for state public health planning...
August 11, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28777178/sleep-disordered-breathing
#17
Nancy R Foldvary-Schaefer, Tina E Waters
PURPOSE OF REVIEW: Sleep-disordered breathing encompasses a broad spectrum of sleep-related breathing disorders, including obstructive sleep apnea (OSA), central sleep apnea, as well as sleep-related hypoventilation and hypoxemia. Diagnostic criteria have been updated in the International Classification of Sleep Disorders, Third Edition and the American Academy of Sleep Medicine Manual for Scoring Sleep and Associated Events. Neurologic providers should have basic knowledge and skills to identify at-risk patients, as these disorders are associated with substantial morbidity, the treatment of which is largely reversible...
August 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/28742937/models-for-discovery-of-targeted-therapy-in-genetic-epileptic-encephalopathies
#18
REVIEW
Snezana Maljevic, Christopher A Reid, Steven Petrou
Epileptic encephalopathies are severe disorders emerging in the first days to years of life that commonly include refractory seizures, various types of movement disorders, and different levels of developmental delay. In recent years, many de novo occurring variants have been identified in individuals with these devastating disorders. To unravel disease mechanisms, the functional impact of detected variants associated with epileptic encephalopathies is investigated in a range of cellular and animal models. This review addresses efforts to advance and use such models to identify specific molecular and cellular targets for the development of novel therapies...
October 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28710408/non-ketogenic-combination-of-nutritional-strategies-provides-robust-protection-against-seizures
#19
Glenn Dallérac, Julien Moulard, Jean-François Benoist, Stefan Rouach, Stéphane Auvin, Angèle Guilbot, Loïc Lenoir, Nathalie Rouach
Epilepsy is a neurological condition that affects 1% of the world population. Conventional treatments of epilepsy use drugs targeting neuronal excitability, inhibitory or excitatory transmission. Yet, one third of patients presents an intractable form of epilepsy and fails to respond to pharmacological anti-epileptic strategies. The ketogenic diet is a well-established non-pharmacological treatment that has been proven to be effective in reducing seizure frequency in the pharmaco-resistant patients. This dietary solution is however extremely restrictive and can be associated with complications caused by the high [fat]:[carbohydrate + protein] ratio...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28681378/update-on-the-mechanisms-and-roles-of-high-frequency-oscillations-in-seizures-and-epileptic-disorders
#20
REVIEW
Premysl Jiruska, Catalina Alvarado-Rojas, Catherine A Schevon, Richard Staba, William Stacey, Fabrice Wendling, Massimo Avoli
High-frequency oscillations (HFOs) are a type of brain activity that is recorded from brain regions capable of generating seizures. Because of the close association of HFOs with epileptogenic tissue and ictogenesis, understanding their cellular and network mechanisms could provide valuable information about the organization of epileptogenic networks and how seizures emerge from the abnormal activity of these networks. In this review, we summarize the most recent advances in the field of HFOs and provide a critical evaluation of new observations within the context of already established knowledge...
August 2017: Epilepsia
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