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https://www.readbyqxmd.com/read/29898036/role-of-non-coding-rnas-in-non-aging-related-neurological-disorders
#1
A S Vieira, D B Dogini, I Lopes-Cendes
Protein coding sequences represent only 2% of the human genome. Recent advances have demonstrated that a significant portion of the genome is actively transcribed as non-coding RNA molecules. These non-coding RNAs are emerging as key players in the regulation of biological processes, and act as "fine-tuners" of gene expression. Neurological disorders are caused by a wide range of genetic mutations, epigenetic and environmental factors, and the exact pathophysiology of many of these conditions is still unknown...
June 11, 2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29872302/valium-without-dependence-individual-gaba-a-receptor-subtype-contribution-toward-benzodiazepine-addiction-tolerance-and-therapeutic-effects
#2
REVIEW
Tianze Cheng, Dominique Marie Wallace, Benjamin Ponteri, Mahir Tuli
Benzodiazepines are one of the most prescribed medications as first-line treatment of anxiety, insomnia, and epilepsy around the world. Over the past two decades, advances in the neuropharmacological understanding of gamma aminobutyric acid (GABA)A receptors revealed distinct contributions from each subtype and produced effects. Recent findings have highlighted the importance of α1 containing GABAA receptors in the mechanisms of addiction and tolerance in benzodiazepine treatments. This has shown promise in the development of tranquilizers with minimal side effects such as cognitive impairment, dependence, and tolerance...
2018: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/29756278/sleep-related-motor-and-behavioral-disorders-recent-advances-and-new-entities
#3
REVIEW
David P Breen, Birgit Högl, Alfonso Fasano, Claudia Trenkwalder, Anthony E Lang
Patients with sleep-related motor and behavioral disorders present to a variety of subspecialty clinics (neurology, sleep medicine, respiratory medicine, psychiatry). Diagnosing these disorders can be difficult, and sometimes they have a significant impact on quality of life. Alongside a number of common and well-recognized conditions, several new disease entities have been described in recent years that present with abnormal nocturnal motor phenomena (such as ADCY5-associated disease and anti-IgLON5 disease)...
May 14, 2018: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29713355/epilepsy-syndromes-during-the-first-year-of-life-and-the-usefulness-of-an-epilepsy-gene-panel
#4
REVIEW
Eun Hye Lee
Recent advances in genetics have determined that a number of epilepsy syndromes that occur in the first year of life are associated with genetic etiologies. These syndromes range from benign familial epilepsy syndromes to early-onset epileptic encephalopathies that lead to poor prognoses and severe psychomotor retardation. An early genetic diagnosis can save time and overall cost by reducing the amount of time and resources expended to reach a diagnosis. Furthermore, a genetic diagnosis can provide accurate prognostic information and, in certain cases, enable targeted therapy...
April 2018: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/29709747/factors-related-to-the-clinical-outcomes-of-surgery-for-extra-temporal-lobe-epilepsy-long-term-follow-up-results
#5
Yoon Ha Hwang, Na Young Jung, Chang Kyu Park, Won Seok Chang, Hyun Ho Jung, Jin Woo Chang
OBJECTIVE: As compared to temporal lobe epilepsy, the surgical outcome in extra-temporal epilepsy (ETLE) is still unsatisfactory. However, recent advances in diagnostic and surgical techniques have led to improved prognosis. This study investigated the outcomes and prognostic factors of ETLE based on long-term follow-up of patients undergoing surgical treatment for ETLE, in a single institute. METHODS: From 2003 through 2015, we retrospectively reviewed the medical records of 58 patients with refractory ETLE who underwent resection at our hospital...
April 27, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29671293/surgical-treatment-for-refractory-epilepsy
#6
Johannes Herta, Christian Dorfer
The goal of any epilepsy surgery is to improve patient ́s quality of life by achieving seizure freedom or by reducing the frequency of severely debilitating seizures. To achieve this goal, non-invasive and invasive diagnostic methods must precisely delineate the epileptogenic zone (EZ), which is defined as the area that needs to be resected to obtain seizure freedom. At the same time, the correct identification of eloquent brain areas is inevitable to avoid new neurological deficits from surgery. In recent years, the technical advances in diagnostics have enabled us to achieve these goals in an increasing number of cases...
April 18, 2018: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29649700/detailed-spectral-profile-analysis-of-electrocorticograms-during-freezing-against-penicillin-induced-epileptiform-discharges-in-the-anesthetized-rat
#7
Tatsuji Tokiwa, Lev Zimin, Takao Inoue, Sadahiro Nomura, Michiyasu Suzuki, Takeshi Yamakawa
OBJECTIVES: Cryosurgery is an alternative technique for minimally invasive treatment of lesions. We have recently examined cryosurgery for epilepsy in animal models, and found that penicillin G (PG)-induced epileptiform discharges (EDs) mostly vanished after freezing. However, EDs were provoked again after insufficient freezing. Inadequate freezing is not visually detectable during and just after freezing and is not predictable beforehand. To manage this problem, we examined whether intraoperative monitoring of electrocorticograms (ECoGs) can predict recurrence of EDs after cryosurgery...
July 2018: Epilepsy Research
https://www.readbyqxmd.com/read/29574299/deep-facial-analysis-a-new-phase-i-epilepsy-evaluation-using-computer-vision
#8
David Ahmedt-Aristizabal, Clinton Fookes, Kien Nguyen, Simon Denman, Sridha Sridharan, Sasha Dionisio
Semiology observation and characterization play a major role in the presurgical evaluation of epilepsy. However, the interpretation of patient movements has subjective and intrinsic challenges. In this paper, we develop approaches to attempt to automatically extract and classify semiological patterns from facial expressions. We address limitations of existing computer-based analytical approaches of epilepsy monitoring, where facial movements have largely been ignored. This is an area that has seen limited advances in the literature...
May 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29563872/the-metabotropic-purinergic-p2y-receptor-family-as-novel-drug-target-in-epilepsy
#9
REVIEW
Mariana Alves, Edward Beamer, Tobias Engel
Epilepsy encompasses a heterogeneous group of neurological syndromes which are characterized by recurrent seizures affecting over 60 million people worldwide. Current anti-epileptic drugs (AEDs) are mainly designed to target ion channels and/or GABA or glutamate receptors. Despite recent advances in drug development, however, pharmacoresistance in epilepsy remains as high as 30%, suggesting the need for the development of new AEDs with a non-classical mechanism of action. Neuroinflammation is increasingly recognized as one of the key players in seizure generation and in the maintenance of the epileptic phenotype...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29560754/precipitation-and-inhibition-of-seizures-in-focal-epilepsies
#10
Rūta Mameniškienė, Peter Wolf
There is growing awareness that reflex epileptic seizures offer unique insight into natural seizure generation in humans. In the last years, focus has mostly been on reflex seizures in generalized epilepsies whereas a comprehensive review of their role in focal epilepsies has been missing. Areas covered: This paper reviews reflex seizures strictly in focal epilepsies, not including focal reflex seizures in system epilepsies that also exist. They were categorized according to their triggers which can be sensory or cognitive, simple or complex...
April 2018: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/29560450/integration-of-stationary-wavelet-transform-on-a-dynamic-partial-reconfiguration-for-recognition-of-pre-ictal-gamma-oscillations
#11
N Jmail, M Zaghdoud, A Hadriche, T Frikha, C Ben Amar, C Bénar
To define the neural networks responsible of an epileptic seizure, it is useful to perform advanced signal processing techniques. In this context, electrophysiological signals present three types of waves: oscillations, spikes, and a mixture of both. Recent studies show that spikes and oscillations should be separated properly in order to define the accurate neural connectivity during the pre-ictal, seizure and inter-ictal states. Retrieving oscillatory activity is a sensitive task due to the frequency overlap between oscillations and transient activities...
February 2018: Heliyon
https://www.readbyqxmd.com/read/29556176/conflicting-effects-of-methylglyoxal-and-potential-significance-of-mirnas-for-seizure-treatment
#12
REVIEW
Hua Tao, Xu Zhou, Bin Zhao, Keshen Li
According to an update from the World Health Organization, approximately 50 million people worldwide suffer from epilepsy, and nearly one-third of these individuals are resistant to the currently available antiepileptic drugs, which has resulted in an insistent pursuit of novel strategies for seizure treatment. Recently, methylglyoxal (MG) was demonstrated to serve as a partial agonist of the gamma-aminobutyric acid type A (GABAA ) receptor and to play an inhibitory role in epileptic activities. However, MG is also a substrate in the generation of advanced glycation end products (AGEs) that function by activating the receptor of AGEs (RAGE)...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29540143/the-management-of-epilepsy-in-children-and-adults
#13
Piero Perucca, Ingrid E Scheffer, Michelle Kiley
The International League Against Epilepsy has recently published a new classification of epileptic seizures and epilepsies to reflect the major scientific advances in our understanding of the epilepsies since the last formal classification 28 years ago. The classification emphasises the importance of aetiology, which allows the optimisation of management. Antiepileptic drugs (AEDs) are the main approach to epilepsy treatment and achieve seizure freedom in about two-thirds of patients. More than 15 second generation AEDs have been introduced since the 1990s, expanding opportunities to tailor treatment for each patient...
March 19, 2018: Medical Journal of Australia
https://www.readbyqxmd.com/read/29536948/optogenetic-dissection-of-ictogenesis-in-search-of-a-targeted-anti-epileptic-therapy
#14
K P Lillis, K J Staley
For over a century, epileptic seizures have been characterized as a state of pathological, hypersynchronous brain activity. Anti-epileptic therapies have been developed largely based on the dogma that the altered brain rhythms result from an overabundance of glutamatergic activity or insufficient GABAergic inhibition. The most effective drugs in use today act to globally decrease excitation, increase inhibition, or decrease all activity. Unfortunately, such broad alterations to brain activity often lead to impactful side effects such as drowsiness, cognitive impairment, and sleep disruption...
March 14, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29526428/-status-epilepticus-recent-advances
#15
REVIEW
William Szurhaj, Nicolas Engrand
About half of status epilepticus (SE) occur in patients without epilepsy. An EEG has to be performed quickly in any patient who remains unconscious after the end of convulsions with the aim to detect a subtle status. An EEG should be performed as soon as possible in case of suspicion of non-convulsive status epilepticus, or in case of a confusional state whose origin remains unknown. The realization of a cerebral imaging is very often necessary in case of inaugural SE, as soon as the patient's condition allow it...
March 2018: La Presse Médicale
https://www.readbyqxmd.com/read/29519472/parietal-lobe-epilepsy
#16
Vicenta Salanova
There are few reports of patients with parietal lobe epilepsy. One of the largest series, from the Montreal Neurological Institute (MNI), reported that patients with epileptogenic areas in the parietal cortex behind the postcentral gyrus comprised 6% of patients with refractory focal epilepsy treated surgically at the MNI between 1929 and 1988. Since then several other institutions have reported their experience with the evaluation and treatment of patients with parietal lobe epilepsy. This chapter reviews the functional anatomy of the parietal lobe, electroclinical manifestations and surgical outcome of parietal lobe epilepsy, and recent advances in the evaluation of patients with refractory focal epilepsy...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29506031/cognition-and-dementia-in-older-patients-with-epilepsy
#17
Arjune Sen, Valentina Capelli, Masud Husain
With advances in healthcare and an ageing population, the number of older adults with epilepsy is set to rise substantially across the world. In developed countries the highest incidence of epilepsy is already in people over 65 and, as life expectancy increases, individuals who developed epilepsy at a young age are also living longer. Recent findings show that older persons with epilepsy are more likely to suffer from cognitive dysfunction and that there might be an important bidirectional relationship between epilepsy and dementia...
February 28, 2018: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29433116/-mr-guided-focused-ultrasound
#18
Hideki Mochizuki, Noriaki Hattori
Since the middle of the 20th century and in order to treat neurological diseases, clinicians have proposed the use of ultrasound, instead of skin incision or trepanation, when performing intracranial thermocoagulation. However, focusing ultrasound intracranially with high precision was technically difficult until recent technological developments. Specifically, advancements in ultrasound phased-array transducers have eliminated the need for a craniotomy, and progress in magnetic resonance (MR) imaging has allowed the real-time measurement of intracranial temperature...
February 2018: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29426807/neonatal-epilepsy-genetics
#19
REVIEW
Erika J T Axeen, Heather E Olson
Neonatal epilepsy genetics is a rapidly expanding field with recent technological advances in genomics leading to an expanding list of genetic disorders associated with neonatal-onset epilepsy. The genetic causes of neonatal epilepsy can be grouped into the following categories: (i) malformations of cortical development, (ii) genetic-metabolic, (iii) genetic-vascular, (iv) genetic-syndromic, and (v) genetic-cellular. Clinically, epilepsy in the neonate shows phenotypic overlap with pathogenic variants in unrelated genes causing similar clinical presentation (locus heterogeneity) and variants in the same gene leading to a wide clinical spectrum ranging from benign familial neonatal seizures to more severe epileptic encephalopathies (variable expressivity)...
January 31, 2018: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29425906/effects-of-vagal-neuromodulation-on-feeding-behavior
#20
REVIEW
Nicole A Pelot, Warren M Grill
Implanted vagus nerve stimulation (VNS) for obesity was recently approved by the FDA. However, its efficacy and mechanisms of action remain unclear. Herein, we synthesize clinical and preclinical effects of VNS on feeding behavior and energy balance and discuss engineering considerations for understanding and improving the therapy. Clinical cervical VNS (≤30 Hz) to treat epilepsy or depression has produced mixed effects on weight loss as a side effect, albeit in uncontrolled, retrospective studies. Conversely, preclinical studies (cervical and subdiaphragmatic VNS) mostly report decreased food intake and either decreased weight gain or weight loss...
February 7, 2018: Brain Research
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