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https://www.readbyqxmd.com/read/28804438/green-tea-extract-induces-genes-related-to-browning-of-white-adipose-tissue-and-limits-weight-gain-in-high-energy-diet-fed-rat
#1
Li-Han Chen, Yi-Wen Chien, Chung-Tiang Liang, Ching-Hung Chan, Meng-Han Fan, Hui-Yu Huang
Background: A wealth of research has reported on the anti-obesity effects of green tea extract (GTE). Although browning of white adipose tissue (WAT) has been reported to attenuate obesity, no study has disclosed the effects of GTE on browning in Sprague Dawley rats. Objectives: The aims of the study were to investigate the effects of GTE on anti-obesity and browning, and their underlying mechanisms. Methods: Four groups of rats (n=10/group) were used including a normal diet with vehicle treatment, and a high-energy diet (HED) with vehicle or GTE by oral gavage at 77...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28802988/does-education-play-a-role-in-language-reorganization-after-surgery-in-drug-refractory-temporal-lobe-epilepsy-an-fmri-based-study
#2
Kapil Chaudhary, Bhargavi Ramanujam, S Senthil Kumaran, P Sarat Chandra, Ashima Nehra Wadhawan, Ajay Garg, Manjari Tripathi
OBJECTIVES: Patients with drug refractory epilepsy (DRE) and a high level of education may differ in their language recovery after surgery. Our aim was to determine whether there were differences in the extent of improvement and pattern of reorganization of language functions on functional magnetic resonance imaging (fMRI) after surgery to treat refractory temporal lobe epilepsy (TLE) between patients with more than 12 years of formal education versus those with a shorter period of regular schooling...
July 29, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28801767/experimental-validation-of-predicted-application-accuracies-for-computer-assisted-cas-intraoperative-navigation-with-paired-point-registration
#3
Martina Perwög, Zoltan Bardosi, Wolfgang Freysinger
PURPOSE: The target registration error (TRE) is a crucial parameter to estimate the potential usefulness of computer-assisted navigation intraoperatively. Both image-to-patient registration on base of rigid-body registration and TRE prediction methods are available for spatially isotropic and anisotropic data. This study presents a thorough validation of data obtained in an experimental operating room setting with CT images. METHODS: Optical tracking was used to register a plastic skull, an anatomic specimen, and a volunteer to their respective CT images...
August 11, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28795432/subcellular-reorganization-and-altered-phosphorylation-of-the-astrocytic-gap-junction-protein-connexin43-in-human-and-experimental-temporal-lobe-epilepsy
#4
Tushar Deshpande, Tingsong Li, Michel K Herde, Albert Becker, Hartmut Vatter, Martin K Schwarz, Christian Henneberger, Christian Steinhäuser, Peter Bedner
Dysfunctional astrocytes are increasingly recognized as key players in the development and progression of mesial temporal lobe epilepsy (MTLE). One of the dramatic changes astrocytes undergo in MTLE with hippocampal sclerosis (HS) is loss of gap junction coupling. To further elucidate molecular mechanism(s) underlying this alteration, we assessed expression, cellular localization and phosphorylation status of astrocytic gap junction proteins in human and experimental MTLE-HS. In addition to conventional confocal analysis of immunohistochemical staining we employed expansion microscopy, which allowed visualization of blood-brain-barrier (BBB) associated cellular elements at a sub-µm scale...
August 10, 2017: Glia
https://www.readbyqxmd.com/read/28794979/identification-of-the-epileptogenic-zone-of-temporal-lobe-epilepsy-from-stereo-electroencephalography-signals-a-phase-transfer-entropy-and-graph-theory-approach
#5
Meng-Yang Wang, Jing Wang, Jian Zhou, Yu-Guang Guan, Feng Zhai, Chang-Qing Liu, Fei-Fei Xu, Yi-Xian Han, Zhao-Fen Yan, Guo-Ming Luan
The aim of this research is to apply an approach based on phase transfer entropy (PTE) and graph theory to study the interactions between the stereo-electroencephalography (SEEG) activities recorded in multilobar origin, in order to evaluate their ability to detect the epileptogenic zone (EZ) of temporal lobe epilepsies (TLE). Forty-three patients were included in this retrospective study. Five to sixteen (median = 12) multilead electrodes were implanted per patient, and, for each patient, a sub-set of between 10 and 32 (median = 22) bipolar derivations was selected for analysis...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28782512/quantitative-expression-and-localization-of-gabab-receptor-protein-subunits-in-hippocampi-from-patients-with-refractory-temporal-lobe-epilepsy
#6
REVIEW
Mariam A Sheilabi, Dev Battacharyya, Laura Caetano, Maria Thom, Markus Reuber, John S Duncan, Alessandra P Princivalle
This study investigates GABAB protein expression and mRNA levels in three types of specimens. Two types of specimens from patients with temporal lobe epilepsy (TLE), secondary to hippocampal sclerosis, sclerotic hippocampal samples (TLE-HS), and tissue from the structurally preserved non-spiking ipsilateral superior temporal gyrus (TLE-STG) removed from the same patient during epilepsy surgery; and third specimen is hippocampal tissue from individuals with no history of epilepsy (post-mortem controls, PMC)...
August 3, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28776646/postoperative-seizure-freedom-does-not-normalize-altered-connectivity-in-temporal-lobe-epilepsy
#7
Luigi Maccotta, Mayra A Lopez, Babatunde Adeyemo, Beau M Ances, Brian K Day, Lawrence N Eisenman, Joshua L Dowling, Eric C Leuthardt, Bradley L Schlaggar, Robert Edward Hogan
OBJECTIVES: Specific changes in the functional connectivity of brain networks occur in patients with epilepsy. Yet whether such changes reflect a stable disease effect or one that is a function of active seizure burden remains unclear. Here, we longitudinally assessed the connectivity of canonical cognitive functional networks in patients with intractable temporal lobe epilepsy (TLE), both before and after patients underwent epilepsy surgery and achieved seizure freedom. METHODS: Seventeen patients with intractable TLE who underwent epilepsy surgery with Engel class I outcome and 17 matched healthy controls took part in the study...
August 3, 2017: Epilepsia
https://www.readbyqxmd.com/read/28772197/effects-of-acute-physical-exercise-in-the-light-phase-of-sleep-in-rats-with-temporal-lobe-epilepsy
#8
Cristiano de Lima, Ricardo Mario Arida, Monica Levy Andersen, Daniel Ninello Polesel, Tathiana Aparecida Fernandes de Alvarenga, Rodrigo Luiz Vancini, Gabriela Matos, Sergio Tufik
OBJECTIVE: Our aim was to investigate the influence of an acute exercise session on sleep pattern in rats with temporal lobe epilepsy (TLE). METHODS: Twenty male Wistar rats were randomly assigned to 4 groups: control (C); acute exercise (EX); epilepsy (E) and epilepsy acute exercise (EEX). Two sleep electrocorticography recordings were performed during the light phase [baseline and day 2 (after the acute physical exercise session)]. After baseline recording, the exercise groups (EX and EEX) were submitted to an exercise session on a motor-driven treadmill at 12m/min for 30min...
July 21, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28766694/musicogenic-reflex-seizures-in-epilepsy-with-glutamic-acid-decarbocylase-antibodies
#9
M Falip, L Rodriguez-Bel, S Castañer, J Miro, S Jaraba, J Mora, J Bas, M Carreño
BACKGROUND: Musicogenic reflex seizures (MRS) are a rare form of seizures described in patients with temporal lobe epilepsy (TLE), mainly of unknown etiology. Epilepsy with antibodies against glutamic acid decarboxylase (GAD-ab) is a form of autoimmune epilepsy for which no specific semiology has been described. AIM OF THE STUDY: To retrospectively review the incidence of MRS in the general epileptic population and in the series of patients with epilepsy and GAD-ab and to describe its clinical and paraclinical characteristics...
August 2, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28763722/glutamate-metabolism-in-temporal-lobe-epilepsy-as-revealed-by-dynamic-proton-mrs-following-the-infusion-of-u-13-c-glucose
#10
Brenda L Bartnik-Olson, Daniel Ding, John Howe, Amul Shah, Travis Losey
Focal metabolic dysfunction commonly observed in temporal lobe epilepsy (TLE), and is associated with the development of medical intractability and neurocognitive deficits. It has not been established if this dysfunction is due to cell loss or biochemical dysfunction in metabolic pathways. To explore this question, dynamic (1)H MRS following an infusion of [U(13)- C] glucose was performed to measure glutamate (Glu) metabolism. Subjects (n=6) showed reduced Glu levels (p<0.01) in the ipsilateral mesial temporal lobe (MTL) compared with controls (n=4)...
July 23, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28758946/hippocampal-proteome-of-rats-subjected-to-the-li-pilocarpine-epilepsy-model-and-the-effect-of-carisbamate-treatment
#11
José Eduardo Marques-Carneiro, Daniele Suzete Persike, Julia Julie Litzahn, Jean-Christophe Cassel, Astrid Nehlig, Maria José da Silva Fernandes
In adult rats, the administration of lithium-pilocarpine (LiPilo) reproduces most clinical and neuropathological features of human temporal lobe epilepsy (TLE). Carisbamate (CRS) possesses the property of modifying epileptogenesis in this model. Indeed, about 50% of rats subjected to LiPilo status epilepticus (SE) develop non-convulsive seizures (NCS) instead of motor seizures when treated with CRS. However, the mechanisms underlying these effects remain unknown. The aim of this study was to perform a proteomic analysis in the hippocampus of rats receiving LiPilo and developing motor seizures or NCS following CRS treatment...
July 30, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28753112/impact-of-focal-cortical-dysplasia-type-iiia-on-seizure-outcome-following-anterior-mesial-temporal-lobe-resection-for-the-treatment-of-epilepsy
#12
Lasse Dührsen, Thomas Sauvigny, Patrick M House, Stefan Stodieck, Brigitte Holst, Jakob Matschke, Gerhard Schön, Manfred Westphal, Tobias Martens
OBJECTIVE Temporal lobe epilepsy (TLE) is the most common type of pharmacoresistant focal epilepsy, for which anterior mesial temporal lobe resection (AMTLR) is a treatment option. Focal cortical dysplasia Type IIIa (FCD IIIa), a developmental lesion resulting from defects in neuronal formation and migration into the temporal pole (FCD I) combined with hippocampal sclerosis (HS), can be a neuropathological finding. In this study, the authors investigate the impact of FCD IIIa on seizure outcome in patients with TLE who underwent AMTLR...
July 28, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28744855/seizure-outcome-after-hippocampal-deep-brain-stimulation-in-patients-with-refractory-temporal-lobe-epilepsy-a-prospective-controlled-randomized-double-blind-study
#13
Arthur Cukiert, Cristine Mella Cukiert, Jose Augusto Burattini, Pedro Paulo Mariani, Daniela Fontes Bezerra
OBJECTIVE: We designed a prospective, randomized, controlled, double-blind study to evaluate the efficacy of hippocampal deep brain stimulation (Hip-DBS) in patients with refractory temporary lobe epilepsy (TLE). METHODS: Sixteen adult patients with refractory TLE were studied. Patient's workup included medical history, interictal and ictal electroencephalography (EEG), and high-resolution 1.5T magnetic resonance imaging (MRI). Patients were randomized on a 1:1 proportion to an active (stimulation on) or to a control (no stimulation) arm...
July 26, 2017: Epilepsia
https://www.readbyqxmd.com/read/28744210/transition-dynamics-of-a-dentate-gyrus-ca3-neuronal-network-during-temporal-lobe-epilepsy
#14
Liyuan Zhang, Denggui Fan, Qingyun Wang
In temporal lobe epilepsy (TLE), the variation of chemical receptor expression underlies the basis of neural network activity shifts, resulting in neuronal hyperexcitability and epileptiform discharges. However, dynamical mechanisms involved in the transitions of TLE are not fully understood, because of the neuronal diversity and the indeterminacy of network connection. Hence, based on Hodgkin-Huxley (HH) type neurons and Pinsky-Rinzel (PR) type neurons coupling with glutamatergic and GABAergic synaptic connections respectively, we propose a computational framework which contains dentate gyrus (DG) region and CA3 region...
2017: Frontiers in Computational Neuroscience
https://www.readbyqxmd.com/read/28742631/vestibular-function-in-adults-with-epilepsy-of-unknown-etiology
#15
Sherifa A Hamed, Amal M Tohamy, Amira M Oseilly
OBJECTIVE: This study aimed to evaluate vestibular function in adults with chronic epilepsy of unknown etiology in the inter-ictal period. BACKGROUND: Epilepsy is a chronic medical disorder. Life-long therapy may be required in one-third of patients. Epilepsy is associated with comorbid somatic conditions which impairs patients' quality of life. METHODS: This cross-sectional study included 28 with generalized tonic clonic (GTC) convulsions and 14 and 3 with temporal (TLE) and frontal lobe (FLE) epilepsies with secondary generalization (all were on regular carbamazepine therapy) and 40 healthy control subjects...
September 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28733354/selective-silencing-of-hippocampal-parvalbumin-interneurons-induces-development-of-recurrent-spontaneous-limbic-seizures-in-mice
#16
Meinrad Drexel, Roman A Romanov, James Wood, Stefan Weger, Regine Heilbronn, Peer Wulff, Ramon O Tasan, Tibor Harkany, Günther Sperk
Temporal lobe epilepsy (TLE) is the most frequent form of focal epilepsies and generally associated with malfunctioning of the hippocampal formation. Recently, a preferential loss of parvalbumin (PV) neurons has been observed in the subiculum of TLE patients and in animal models of TLE. To demonstrate a possible causative role of defunct PV neurons in the generation of TLE, we permanently inhibited GABA release selectively from PV neurons of the ventral subiculum by injecting a viral vector expressing tetanus toxin light chain in male mice...
July 21, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28729114/altered-intrinsic-functional-connectivity-in-the-latent-period-of-epileptogenesis-in-a-temporal-lobe-epilepsy-model
#17
Hyoin Lee, Seungmoon Jung, Peter Lee, Yong Jeong
The latent period, a seizure-free phase, is the duration between brain injury and the onset of spontaneous recurrent seizures (SRSs) during epileptogenesis. The latent period is thought to involve several progressive pathophysiological events that lead to the evolution of the chronic epilepsy phase. Hence, it is vital to investigate the changes in the latent period during epileptogenesis in order to better understand temporal lobe epilepsy (TLE), and to achieve early diagnosis and appropriate management of the condition...
July 17, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28724879/infectious-complications-in-patients-with-cardiac-implantable-electronic-devices-risk-factors-prevention-and-prognosis
#18
Anna Polewczyk, Wojciech Jacheć, Aneta Maria Polewczyk, Andrzej Tomasik, Marianna Janion, Andrzej Kutarski
INTRODUCTION    Cardiac device infections (CDI) are still a significant problem. The knowledge of risk factors for CDI is crucial both for preventing infections and reducing mortality. OBJECTIVES    The assesment of the risk factors and long term survival of patients with CDI. PATIENTS AND METHODS    The clinical data of 1837 patients (40.9% CDI) undergoing transvenous leads extraction (TLE) at a single institution from 2006 to 2015 was analyzed. We compared the clinical and procedure-related factors for all types of CDI: isolated pocket infection (IPI), isolated lead-related infective endocarditis (ILRIE) and PI+LRIE...
July 19, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28716058/srf-modulates-seizure-occurrence-activity-induced-gene-transcription-and-hippocampal-circuit-reorganization-in-the-mouse-pilocarpine-epilepsy-model
#19
Pascal Lösing, Cristina Elena Niturad, Merle Harrer, Christopher Meyer Zu Reckendorf, Theresa Schatz, Daniela Sinske, Holger Lerche, Snezana Maljevic, Bernd Knöll
A hallmark of temporal lobe epilepsy (TLE) is hippocampal neuronal demise and aberrant mossy fiber sprouting. In addition, unrestrained neuronal activity in TLE patients induces gene expression including immediate early genes (IEGs) such as Fos and Egr1.We employed the mouse pilocarpine model to analyze the transcription factor (TF) serum response factor (SRF) in epileptogenesis, seizure induced histopathology and IEG induction. SRF is a neuronal activity regulated TF stimulating IEG expression as well as nerve fiber growth and guidance...
July 17, 2017: Molecular Brain
https://www.readbyqxmd.com/read/28715131/transcriptome-analysis-suggests-a-role-for-the-differential-expression-of-cerebral-aquaporins-and-the-mapk-signalling-pathway-in-human-temporal-lobe-epilepsy
#20
Mootaz M Salman, Mariam A Sheilabi, Dev Bhattacharyya, Philip Kitchen, Alex C Conner, Roslyn M Bill, M Nicola Woodroofe, Matthew T Conner, Alessandra P Princivalle
Epilepsies are common disorders of the central nervous system (CNS), affecting up to 2% of the global population. Pharmaco-resistance is a major clinical challenge affecting about 30% of temporal lobe epilepsy (TLE) patients. Water homeostasis has been shown crucial for regulation of neuronal excitability. The control of water movement is achieved through a family of small integral membrane channel proteins called aquaporins (AQPs). Despite the fact that changes in water homeostasis occur in sclerotic hippocampi of people with TLE, the expression of AQPs in the epileptic brain is not fully characterised...
July 17, 2017: European Journal of Neuroscience
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