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https://www.readbyqxmd.com/read/28633091/cyclic-alternating-pattern-and-interictal-epileptiform-discharges-during-morning-sleep-after-sleep-deprivation-in-temporal-lobe-epilepsy
#1
Filippo Sean Giorgi, Michelangelo Maestri, Melania Guida, Luca Carnicelli, Lorenzo Caciagli, Raffaele Ferri, Ubaldo Bonuccelli, Enrica Bonanni
PURPOSE: Sleep deprivation (SD) increases the occurrence of interictal epileptiform discharges (IED) compared to basal EEG in temporal lobe epilepsy (TLE). In adults, EEG after SD is usually performed in the morning after SD. We aimed to evaluate whether morning sleep after SD bears additional IED-inducing effects compared with nocturnal physiological sleep, and whether changes in sleep stability (described by the cyclic alternating pattern-CAP) play a significant role. METHODS: Adult patients with TLE underwent in-lab night polysomnography (n-PSG) and, within 7days from n-PSG, they underwent also a morning EEG after night SD (SD-EEG)...
June 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28633043/de-novo-12q22-q23-3-duplication-associated-with-temporal-lobe-epilepsy
#2
Maria Stella Vari, Monica Traverso, Tommaso Bellini, Francesca Madia, Francesca Pinto, Carlo Minetti, Pasquale Striano, Federico Zara
PURPOSE: Temporal lobe epilepsy (TLE) is the most common form of focal epilepsy and may be associated with acquired central nervous system lesions or could be genetic. Various susceptibility genes and environmental factors are believed to be involved in the aetiology of TLE, which is considered to be a heterogeneous, polygenic, and complex disorder. Rare point mutations in LGI1, DEPDC5, and RELN as well as some copy number variations (CNVs) have been reported in families with TLE patients...
June 15, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28632521/verbal-and-figural-fluency-in-temporal-lobe-epilepsy-does-hippocampal-sclerosis-affect-performance
#3
Ioannis Zalonis, Foteini Christidi, Artemios Artemiadis, Constantinos Psarros, George Papadopoulos, George Tsivgoulis, Stergios Gatzonis, Anna Siatouni, Georgios Velonakis, Efstratios Karavasilis, Evangelia Kararizou, Nikolaos Triantafyllou
BACKGROUND AND OBJECTIVES: Clinicians commonly use verbal and nonverbal measures to test fluency in patients with epilepsy, either during routine cognitive assessment or as part of pre- and postsurgical evaluation. We hypothesized that patients with mesial temporal lobe epilepsy (TLE) with hippocampal sclerosis would perform worse than patients with lateral TLE in both verbal and design fluency. METHODS: We assessed semantic, phonemic, and nonverbal fluency in 49 patients with TLE: 31 with lateral TLE and 18 with mesial TLE plus hippocampal sclerosis...
June 2017: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/28630893/a-d53-repression-motif-induces-oligomerization-of-topless-corepressors-and-promotes-assembly-of-a-corepressor-nucleosome-complex
#4
Honglei Ma, Jingbo Duan, Jiyuan Ke, Yuanzheng He, Xin Gu, Ting-Hai Xu, Hong Yu, Yonghong Wang, Joseph S Brunzelle, Yi Jiang, Scott B Rothbart, H Eric Xu, Jiayang Li, Karsten Melcher
TOPLESS are tetrameric plant corepressors of the conserved Tup1/Groucho/TLE (transducin-like enhancer of split) family. We show that they interact through their TOPLESS domains (TPDs) with two functionally important ethylene response factor-associated amphiphilic repression (EAR) motifs of the rice strigolactone signaling repressor D53: the universally conserved EAR-3 and the monocot-specific EAR-2. We present the crystal structure of the monocot-specific EAR-2 peptide in complex with the TOPLESS-related protein 2 (TPR2) TPD, in which the EAR-2 motif binds the same TPD groove as jasmonate and auxin signaling repressors but makes additional contacts with a second TPD site to mediate TPD tetramer-tetramer interaction...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28630376/functional-connectivity-disturbances-of-the-ascending-reticular-activating-system-in-temporal-lobe-epilepsy
#5
Dario J Englot, Pierre-Francois D'Haese, Peter E Konrad, Monica L Jacobs, John C Gore, Bassel W Abou-Khalil, Victoria L Morgan
OBJECTIVE: Seizures in temporal lobe epilepsy (TLE) disturb brain networks and lead to connectivity disturbances. We previously hypothesised that recurrent seizures in TLE may lead to abnormal connections involving subcortical activating structures including the ascending reticular activating system (ARAS), contributing to neocortical dysfunction and neurocognitive impairments. However, no studies of ARAS connectivity have been previously reported in patients with epilepsy. METHODS: We used resting-state functional MRI recordings in 27 patients with TLE (67% right sided) and 27 matched controls to examine functional connectivity (partial correlation) between eight brainstem ARAS structures and 105 cortical/subcortical regions...
June 19, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28628538/memory-rehabilitation-strategies-in-nonsurgical-temporal-lobe-epilepsy-a-review
#6
Alessandra Del Felice, Marzia Alderighi, Matteo Martinato, Davide Grisafi, Anna Bosco, Pamela J Thompson, Josemir W Sander, Stefano Masiero
People with temporal lobe epilepsy (TLE) who have not undergone epilepsy surgery often complain of memory deficits. Cognitive rehabilitation is employed as a remedial intervention in clinical settings, but research is limited and findings concerning efficacy and the criteria for choosing different approaches have been inconsistent. We aimed to appraise existing evidence on memory rehabilitation in nonsurgical individuals with temporal lobe epilepsy and to ascertain the effectiveness of specific strategies. A scoping review was preferred given the heterogeneous nature of the interventions...
July 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28626979/electro-clinical-criteria-and-surgical-outcome-is-there-a-difference-between-mesial-and-lesional-temporal-lobe-epilepsy
#7
M Wassenaar, F S S Leijten, G-J de Haan, S G Uijl, J W Sander
OBJECTIVES: Mesial temporal lobe epilepsy syndrome (MTLE) with specific electrophysiological and clinical characteristics and hippocampal sclerosis (HS) on MRI is considered the prototype of a syndrome with good surgical prognosis. Ictal onset zones in MTLE have been found to extend outside the hippocampus and neocortical seizures often involve mesial structures. It can, thus, be questioned whether MTLE with HS is different from lesional temporal epilepsies with respect to electro-clinical characteristics and surgical prognosis...
June 18, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28624573/plasticity-of-intrinsic-firing-response-gain-in-principal-hippocampal-neurons-following-pilocarpine-induced-status-epilepticus
#8
Idit Tamir, Moshe Daninos, Yoel Yaari
OBJECTIVE: In experimental models of temporal lobe epilepsy (TLE), brain neurons manifest multiple changes in intrinsic excitability that contribute to neuronal network hyperexcitability. We have investigated whether the intrinsic firing response gain, quantified by the slope of the function relating the number of evoked spikes (Ns) to input excitatory current intensity (I), is modified in principal rat hippocampal neurons in the pilocarpine-status epilepticus (SE) model of TLE. METHODS: Intracellular recordings were made in CA3 and CA1 pyramidal cells (PCs) and dentate granule cells (GCs) in acute hippocampal slices obtained 7-36 days after pilocarpine-SE...
June 14, 2017: Neuroscience
https://www.readbyqxmd.com/read/28623489/comparing-the-intracarotid-amobarbital-test-and-functional-mri-for-the-presurgical-evaluation-of-language-in-epilepsy
#9
REVIEW
Andreu Massot-Tarrús, Seyed Reza Mousavi, Seyed M Mirsattari
Surgery is the treatment of choice for drug-resistant temporal lobe epilepsy (TLE). However, such surgery frequently causes deficits in language function, especially if performed on the dominant hemisphere. In recent years, the intracarotid amobarbital test (IAT) has been gradually replaced by functional magnetic resonance imaging (fMRI) in the preoperative identification of language areas to estimate the risk of postoperative language decline. In this paper, we review the neural substrates for language processing, how language impairment can result both from TLE itself and from surgical attempts to treat it...
July 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28622557/the-executive-profile-of-children-with-benign-epilepsy-of-childhood-with-centrotemporal-spikes-and-temporal-lobe-epilepsy
#10
Ellen M Lima, Patricia Rzezak, Catarina A Guimarães, Maria A Montenegro, Marilisa M Guerreiro, Kette D Valente
RATIONALE: Benign Epilepsy of Childhood with Centrotemporal Spikes (BECTS) and temporal lobe epilepsy (TLE) represent two distinct models of focal epilepsy of childhood. In both, there is evidence of executive dysfunction. The purpose of the present study was to identify particular deficits in the executive function that would distinguish children with BECTS from children with TLE. METHODS: We prospectively evaluated 19 consecutive children and adolescents with TLE with hippocampal sclerosis (HS) (57...
June 13, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28622538/current-psychiatric-disorders-in-patients-with-epilepsy-are-predicted-by-maltreatment-experiences-during-childhood
#11
Kirsten Labudda, Dominik Illies, Cornelia Herzig, Katharina Schröder, Christian G Bien, Frank Neuner
PURPOSE: Childhood maltreatment has been shown to be a risk factor for the development of psychiatric disorders. Although the prevalence of psychiatric disorders is high in epilepsy patients, it is unknown if childhood maltreatment experiences are elevated compared to the normal population and if early maltreatment is a risk factor for current psychiatric comorbidities in epilepsy patients. This is the main purpose of this study. METHODS: Structured interviews were used to assess current Axis I diagnoses in 120 epilepsy patients from a tertiary Epilepsy Center (34 TLE patients, 86 non-TLE patients)...
June 8, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28622529/automatic-multimodal-detection-for-long-term-seizure-documentation-in-epilepsy
#12
F Fürbass, S Kampusch, E Kaniusas, J Koren, S Pirker, R Hopfengärtner, H Stefan, T Kluge, C Baumgartner
OBJECTIVE: This study investigated sensitivity and false detection rate of a multimodal automatic seizure detection algorithm and the applicability to reduced electrode montages for long-term seizure documentation in epilepsy patients. METHODS: An automatic seizure detection algorithm based on EEG, EMG, and ECG signals was developed. EEG/ECG recordings of 92 patients from two epilepsy monitoring units including 494 seizures were used to assess detection performance...
May 25, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28621429/the-sumo-targeted-ubiquitin-ligase-dgrn-is-essential-for-drosophila-innate-immunity
#13
Bella Koltun, Eliza Shackelford, François Bonnay, Nicolas Matt, Jean Marc Reichhart, Amir Orian
The ability of metazoans to combat pathogenic infection involves both systemic and local responses to the invading pathogens. Ubiquitin and SUMO pathways molecularly regulate the response to infection, immune signaling and gene expression. Here, we report that Degringolade (Dgrn, CG10981), a SUMO-targeted ubiquitin ligase connecting the two pathways, is essential for the innate immunity response in Drosophila. dgrn(DK) null and heterozygous mutant adult flies are severely immune-compromised and succumb rapidly to both pathogenic bacteria and fungi infections...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/28607151/the-transcriptional-co-repressor-tle3-regulates-myogenic-differentiation-by-repressing-the-activity-of-the-myod-transcription-factor
#14
Shoichiro Kokabu, Chihiro Nakatomi, Takuma Matsubara, Yusuke Ono, William N Addison, Jonathan W Lowery, Mariko Urata, Aaron M Hudnall, Suzuro Hitomi, Mitsushiro Nakatomi, Tsuyoshi Sato, Kenji Osawa, Tetsuya Yoda, Vicki Rosen, Eijiro Jimi
Satellite cells are skeletal muscle stem cells that provide myonuclei for postnatal muscle growth, maintenance, and repair/regeneration in adults. Normally, satellite cells are mitotically quiescent, but they are activated in response to muscle injury, in which case they proliferate extensively and exhibit upregulated expression of the transcription factor MyoD, a master regulator of myogenesis. MyoD forms a heterodimer with E proteins through their basic helix-loophelix (bHLH) domain, binds to E boxes in the genome, and thereby activates transcription at muscle-specific promoters...
June 12, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28605629/analytic-information-processing-style-in-epilepsy-patients
#15
Marzia Buonfiglio, Francesco Di Sabato, Silvia Mandillo, Mariarita Albini, Carlo Di Bonaventura, Annateresa Giallonardo, Giuliano Avanzini
Relevant to the study of epileptogenesis is learning processing, given the pivotal role that neuroplasticity assumes in both mechanisms. Recently, evoked potential analyses showed a link between analytic cognitive style and altered neural excitability in both migraine and healthy subjects, regardless of cognitive impairment or psychological disorders. In this study we evaluated analytic/global and visual/auditory perceptual dimensions of cognitive style in patients with epilepsy. Twenty-five cryptogenic temporal lobe epilepsy (TLE) patients matched with 25 idiopathic generalized epilepsy (IGE) sufferers and 25 healthy volunteers were recruited and participated in three cognitive style tests: "Sternberg-Wagner Self-Assessment Inventory", the C...
June 9, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28597736/venous-stenosis-and-occlusion-in-the-presence-of-endocardial-leads-in-patients-referred-for-transvenous-lead-extraction
#16
Krzysztof Boczar, Andrzej Zabek, Kazimierz Haberka, Maciej Debski, Anna Rydlewska, Robert Musial, Jacek Lelakowski, Barbara Malecka
Objective The aim of this study was to evaluate the incidence of venous stenosis and occlusion (VSO) in patients referred for transvenous lead extraction (TLE) with regard to the indications for this treatment and to analyse the influence of VSO on efficacy, complications and technical challenges of TLE procedures. Methods The material consists of 133 consecutive TLE procedure records. The contrast venography examination of the ipsilateral access vein was performed prior to the operation. The whole study population was divided into two subgroups, based on the presence (subgroup I) or absence (subgroup II) of VSO...
February 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28595035/n-methyl-d-aspartate-receptors-mediate-epilepsy-induced-axonal-impairment-and-tau-phosphorylation-via-activating-glycogen-synthase-kinase-3%C3%AE-and-cyclin-dependent-kinase-5
#17
Xi Liu, Shu Ou, Maojia Yin, Tao Xu, Teng Wang, Ying Liu, Xueying Ding, Xinyuan Yu, Jinxian Yuan, Hao Huang, Xiuhang Zhang, Xinjie Tan, Lifen Chen, Yangmei Chen
The mechanism of epilepsy-induced axonal impairment is poorly understood. N-methyl-D-aspartate receptors (NMDARs) play important roles in epilepsy and mediate structural and functional axonal impairment. GSK-3β and Cdk5 affect axons and are regulated by NMDARs, while their roles in epilepsy-induced axonal impairment are unclear. We demonstrated that axonal impairment is characterized by neurofilament heavy (NFH) reduction, amyloid precursor protein (APP) accumulation, and increased tau phosphorylation accompanied by a decrease of total tau in temporal lobe epilepsy (TLE) patients and pentylenetetrazol (PTZ)-kindled rats...
April 2017: Discovery Medicine
https://www.readbyqxmd.com/read/28583883/preferential-susceptibility-of-limbic-cortices-to-microstructural-damage-in-temporal-lobe-epilepsy-a-quantitative-t1-mapping-study
#18
REVIEW
Boris C Bernhardt, Fatemeh Fadaie, Reinder Vos De Wael, Seok-Jun Hong, Min Liu, Marie C Guiot, David A Rudko, Andrea Bernasconi, Neda Bernasconi
The majority of MRI studies in temporal lobe epilepsy (TLE) have utilized morphometry to map widespread cortical alterations. Morphological markers, such as cortical thickness or grey matter density, reflect combinations of biological events largely driven by overall cortical geometry rather than intracortical tissue properties. Because of its sensitivity to intracortical myelin, quantitative measurement of longitudinal relaxation time (qT1) provides and an in vivo proxy for cortical microstructure. Here, we mapped the regional distribution of qT1 in a consecutive cohort of 24 TLE patients and 20 healthy controls...
June 3, 2017: NeuroImage
https://www.readbyqxmd.com/read/28579355/expression-purification-and-characterization-of-a-novel-recombinant-svtle-r-agkihpin-2-from-gloydius-halys-pallas-venom-gland-in-escherichia-coli
#19
Kejian Sun, Chengxin Huang, Fengxian Yu, Shuyu Zhu, Shuru Xu, Yiqiang He, Weibin Xu, Li Xu, Yuzu Feng, Huayu Wu, Xiaolong Li, Ling Fang, Qiping Hu
In our previous work, a thrombin-like enzyme (TLE), agkihpin, was successfully isolated, purified, cloned and named from the venom of Gloydius halys Pallas, having fibrinolytic, fibrinogenolytic and thrombosis-reduced activities, attenuating migration of liver cancer cell, and without bleeding risk. To explore the possibility of agkihpin as a thrombolytic and/or anti-metastasis agent in the future, in this study recombinant agkihpin was expressed and purified in Escherichia coli, and its biological activities investigated...
June 1, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28576733/neuronal-zinc-%C3%AE-2-glycoprotein-is-decreased-in-temporal-lobe-epilepsy-in-patients-and-rats
#20
Ying Liu, Teng Wang, Xi Liu, Xin Wei, Tao Xu, Maojia Yin, Xueying Ding, Lijuan Mo, Lifen Chen
Zinc-α2-glycoprotein (ZAG) is a 42-kDa protein encoded by the AZGP1 gene that is known as a lipid mobilizing factor and is highly homologous to major histocompatibility complex class I family molecules. Recently, transcriptomic research has shown that AZGP1 expression is reduced in the brain tissue of epilepsy patients. However, the cellular distribution and biological role of ZAG in the brain and epilepsy are unclear. Patients with refractory temporal lobe epilepsy (TLE) and brain trauma were included in this study, and pentylenetetrazole (PTZ)-kindled rats were also used...
May 31, 2017: Neuroscience
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