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https://www.readbyqxmd.com/read/28527083/shared-mechanisms-of-epilepsy-migraine-and-affective-disorders
#1
Davide Zarcone, Simona Corbetta
Since the nineteenth century several clinical features have been observed in common between migraine and epilepsy (such as episodic attacks, triggering factors, presence of aura, frequent familiarity), but only in recent years researchers have really engaged in finding a common pathogenic mechanism. From studies of disease incidence, we understand how either migraine among patients with epilepsy or epilepsy among migraine patients are more frequent than in the general population. This association may result from a direct causality, by the same environmental risk factors and/or by a common genetic susceptibility...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28520841/chronic-inflammatory-pain-impairs-mglur5-mediated-depolarization-induced-suppression-of-excitation-in-the-anterior-cingulate-cortex
#2
Baolin Guo, Jiaqi Wang, Han Yao, Keke Ren, Jing Chen, Jing Yang, Guohong Cai, Haiying Liu, Yunlong Fan, Wenting Wang, Shengxi Wu
The anterior cingulate cortex (ACC) is a critical hub for nociceptive perception and pain-related anxiety. Long-term synaptic plasticity in ACC was found to be important for chronic inflammatory pain and pain-related anxiety. As short-term synaptic plasticity, depolarization-induced suppression of excitation (DSE) is involved in several conditions, such as chronic stress, epilepsy, and autism. However, it is still unknown whether DSE in the ACC is involved in the central sensitization of pain and anxiety. Using a whole-cell patch clamp, calcium imaging, western blot, and behavioral testing, we found that DSE was induced by a 2 s depolarization in postsynaptic pyramidal cells in ACC...
May 17, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28505490/heat-induced-temperature-dysregulation-and-seizures-in-dravet-syndrome-gefs-gabrg2-q390x-mice
#3
Timothy A Warner, Zhong Liu, Robert L Macdonald, Jing-Qiong Kang
It has been established that febrile seizures and its extended syndromes like generalized epilepsy with febrile seizures (FS) plus (GEFS+) and Dravet syndrome have been associated with mutations especially in SCN1A and GABRG2 genes. In patients, the onset of FS is likely due to the combined effect of temperature and inflammation in genetically vulnerable individuals because fever is often associated with infection. Much effort has been spent to understand the mechanisms underlying fever induction of seizures...
April 30, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28494323/stress-regulation-in-drug-resistant-epilepsy
#4
REVIEW
Iliana Kotwas, Aileen Mcgonigal, Mireille Bastien-Toniazzo, Fabrice Bartolomei, Jean-Arthur Micoulaud-Franchi
The prevalence of psychological distress, especially depressive and anxiety disorders, is higher in epilepsy than in other chronic health conditions. These comorbid conditions contribute even more than epileptic seizures themselves to impaired quality of life in patients with epilepsy (PWE). The link between these comorbidities and epilepsy appears to have a neurobiological basis, which is at least partly mediated by stress through psychological and pathophysiological pathways. The impact of stress in PWE is also particularly important because it is the most frequently reported seizure trigger...
May 8, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28485933/hplc-based-activity-profiling-for-gabaa-receptor-modulators-in-extracts-validation-of-an-approach-utilizing-a-larval-zebrafish-locomotor-assay
#5
Fahimeh Moradi-Afrapoli, Samad Nejad Ebrahimi, Martin Smiesko, Matthias Hamburger
Gamma-aminobutyric acid type A (GABAA) receptors are major inhibitory neurotransmitter receptors in the central nervous system and a target for numerous clinically important drugs used to treat anxiety, insomnia, and epilepsy. A series of allosteric GABAA receptor agonists was identified previously with the aid of HPLC-based activity profiling, whereby activity was tracked with an electrophysiological assay in Xenopus laevis oocytes. To accelerate the discovery process, an approach has been established for HPLC-based profiling using a larval zebrafish (Danio rerio) seizure model induced by pentylenetetrazol (PTZ), a pro-convulsant GABAA receptor antagonist...
May 9, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28480502/enriched-environment-attenuates-behavioral-seizures%C3%A2-and-depression-in-chronic%C3%A2-temporal-lobe-epilepsy
#6
Marigowda Vrinda, Arun Sasidharan, Sahajan Aparna, Bettadapura N Srikumar, Bindu M Kutty, Byrathnahalli S Shankaranarayana Rao
OBJECTIVE: Temporal lobe epilepsy (TLE) is commonly associated with depression, anxiety, and cognitive impairment. Despite significant progress in our understanding of the pathophysiology of TLE, it remains the most common form of refractory epilepsy. Enriched environment (EE) has a beneficial effect in many neuropsychiatric disorders. However, the effect of EE on cognitive changes in chronic TLE has not been evaluated. Accordingly, the present study evaluated the effects of EE on chronic epilepsy-induced alterations in cognitive functions, electrophysiology, and cellular changes in the hippocampus...
May 8, 2017: Epilepsia
https://www.readbyqxmd.com/read/28470748/anxiety-and-depressive-disorders-in-people-with-epilepsy-a-meta-analysis
#7
Amelia J Scott, Louise Sharpe, Caroline Hunt, Milena Gandy
OBJECTIVE: Comorbid anxiety and depressive disorders in people with epilepsy (PWE) are highly prevalent and associated with various adverse outcomes. However, the prevalence of anxiety disorders in PWE across studies is highly variable. Our aim was to estimate the prevalence and moderating factors of anxiety and depressive disorders in PWE. METHODS: Following prospective registration (PROSPERO; CRD42015027101), electronic databases were searched for studies that reported the prevalence of both anxiety and depressive disorders in samples of PWE up until July 2016...
May 3, 2017: Epilepsia
https://www.readbyqxmd.com/read/28469702/adolescent-health-and-subsequent-risk-of-self-harm-hospitalisation-a-15-year-follow-up-of-the-young-hunt-cohort
#8
Asbjørn Junker, Johan Håkon Bjørngaard, Ottar Bjerkeset
BACKGROUND: Self-harm is associated with increased suicide risk, and constitutes a major challenge in adolescent mental healthcare. In the current study, we examined the association between different aspects of adolescent health and risk of later self-harm requiring hospital admission. METHODS: We linked baseline information from 13 to 19 year old participants (n = 8965) in the Norwegian Young-HUNT 1 study to patient records of self-harm hospitalisation during 15 years of follow-up...
2017: Child and Adolescent Psychiatry and Mental Health
https://www.readbyqxmd.com/read/28449285/research-review-childhood-chronic-physical-illness-and-adult-emotional-health-a-systematic-review-and-meta-analysis
#9
REVIEW
Ekin Secinti, Ellen J Thompson, Marcus Richards, Darya Gaysina
BACKGROUND: Childhood chronic physical illness is associated with a greater vulnerability for emotional problems (i.e. depression and anxiety) in childhood. However, little is known about life-long effects of childhood chronic physical illness on mental health. The present study aims to systematically review evidence for associations between eight chronic physical illnesses with childhood onset (arthritis, asthma, cancer, chronic renal failure, congenital heart disease, cystic fibrosis, type 1 diabetes, and epilepsy) and adult emotional problems...
April 27, 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28441636/psychological-features-and-quality-of-life-in-50-adult-patients-with-epilepsy-and-their-caregivers-from-the-lecco-epilepsy-center-italy
#10
Alessandra Petruzzi, Andrea Rigamonti, Claudia Yvonne Finocchiaro, Paolo Borelli, Elena Lamperti, Antonio Silvani, Rossana Regazzoni, Lorenzo Stanzani, Andrea Salmaggi
Epilepsy is one of the most common neurological disorders. To the best of our knowledge, in Italy, the relationship between patients' and caregivers' psychological state has rarely been analyzed. Thus, we sought to evaluate both the psychological state of patients with epilepsy and that of their caregivers and the interrelationship between them. We also assessed the existing relation between psychological features and some clinical and demographic information, such as number of antiepileptic drugs (AEDs), epilepsy duration and education level of patients and their caregivers...
April 22, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28438504/agomelatine-protects-against-neuronal-damage-without-preventing-epileptogenesis-in-the-kainate-model-of-temporal-lobe-epilepsy
#11
Jana Tchekalarova, Dimitrinka Atanasova, Zlatina Nenchovska, Milena Atanasova, Lidia Kortenska, Rumyana Gesheva, Nikolai Lazarov
Recent studies about the novel antidepressant agomelatine, which is a mixed MT1 and MT2 melatonin receptor agonist and 5HT2C serotonin receptor antagonist possessing an anticonvulsant and neuroprotective action, suggest that it may have potential to contribute against epileptogenesis and epilepsy-induced memory impairment. In order to ascertain whether protection of some brain structures could suppress epileptogenesis, in the present study, we evaluated the effect of chronic post-status treatment with agomelatine on epileptogenesis, behavioral and neuronal damage induced by kainate acid (KA) status epilepticus (SE)...
April 21, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28437751/effects-of-picrotoxin-on-zebrafish-larvae-behaviors-a-comparison-study-with-ptz
#12
Xue Yang, Jia Lin, Xiaolan Peng, Qin Zhang, Yinglan Zhang, Ning Guo, Shuizhen Zhou, Qiang Li
Larval zebrafish (Danio rerio) have been suggested as a high-throughput experimental animal model for epilepsy-related genetic and developmental studies. The behavioral manifestations in response to the seizure-inducing drugs picrotoxin (PTX) (1, 5, 25, 125, or 625μM) or pentylenetetrazole (PTZ) (1, 2, 4, 8, or 16mM) under light-dark conditions were studied using zebrafish larvae at 5days post-fertilization (dpf). Two behavioral parameters, locomotor activity and thigmotaxis behavior, were analyzed. We conclude that high concentrations of PTX treatment increased locomotion and thigmotaxis in 5 dpf zebrafish larvae under continuous illumination and the locomotion of PTX-treated zebrafish was decreased under the dark condition...
April 21, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28437682/sleep-problems-in-pediatric-epilepsy-and-adhd-the-impact-of-comorbidity
#13
Ozalp Ekinci, Çetin Okuyaz, Serkan Gunes, Nuran Ekinci, Merve Kalınlı, Muhammet Emin Tan, Halenur Teke, Meltem Çobanoğulları Direk, Semra Erdoğan
AIMS: Attention-deficit hyperactivity disorder (ADHD) is a frequent comorbidity in pediatric epilepsy. Although sleep problems are commonly reported in both children with primary ADHD and epilepsy, those with epilepsy-ADHD comorbidity have not been well studied. This study aimed to compare sleep problems among three groups of children: 1) children with epilepsy, 2) children with epilepsy and ADHD (epilepsy-ADHD), and 3) children with primary ADHD. METHODS: 53 children with epilepsy, 35 children with epilepsy-ADHD, and 52 children with primary ADHD completed the Children's Sleep Habits Questionnaire (CSHQ)...
April 21, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28434623/does-unilateral-insular-resection-disturb-personality-a-study-with-epileptic-patients
#14
Benjamin Hébert-Seropian, Olivier Boucher, Carole Sénéchal, Isabelle Rouleau, Alain Bouthillier, Franco Lepore, Dang Khoa Nguyen
The insula is now regarded as a potential site of epileptogenesis in drug-resistant epilepsy, and the advent of microsurgical techniques has allowed insular cortectomy to become a treatment of choice when the insular cortex is involved in the seizure focus. However, considering the evidence of an insular role in socio-emotional processing, it remains unknown whether these cortical resections disturb personality and social behavior as experienced in daily life. We examined such changes in a group of patients (n=19) who underwent epilepsy surgery involving partial or complete resection of the insula, and compared them to a group of patients who underwent standard temporal lobe epilepsy (TLE) surgery (n=19) as a lesion-control group...
April 20, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28431368/correlates-of-perceived-stigma-for-people-living-with-epilepsy-a-meta-analysis
#15
REVIEW
Ying Shi, Shouqi Wang, Jie Ying, Meiling Zhang, Pengcheng Liu, Huanhuan Zhang, Jiao Sun
OBJECTIVE: Epilepsy, one of the most common, serious chronic neurological diseases, is accompanied by different levels of perceived stigma that affects people in almost all age groups. This stigma can negatively impact the physical and mental health of people living with epilepsy (PLWE). Good knowledge of perceived stigma for PLWE is important. In this study, we conducted a meta-analysis to identify the correlates of perceived stigma for PLWE. METHODS: Studies on factors associated with perceived stigma for PLWE, including sociodemographic, psychosocial, and disease-related variables, were searched in PubMed, PsychINFO, EMBASE, and Web of Science...
April 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28427025/psychiatric-symptoms-after-temporal-epilepsy-surgery-a-one-year-follow-up-study
#16
Carmen Iranzo-Tatay, Teresa Rubio-Granero, Antonio Gutierrez, Mercedes Garcés, Rebeca Conde, Asier Gómez-Ibáñez, Sergio Arques-Egea, Lucia Sancho-Miñana, David Hervas-Marín, Vicente Villanueva
Psychiatric symptoms must be considered in patients with refractory temporal lobe epilepsy after epilepsy surgery. The main objectives of our study were to describe clinical and socio-demographical characteristics of a cohort of patients with pharmacoresistant temporal lobe epilepsy who underwent temporal lobe epilepsy surgery, and moreover, to evaluate possible risk factors for developing psychiatric symptoms. In order to achieve those goals, we conducted a prospective evaluation of psychopathology throughout the first year after surgery in a clinical sample of 72 patients, by means of three clinical rated measures; the Hamilton Anxiety Rating Scale (HARS), the Hamilton Depression Rating Scale (HDRS), and the Brief Psychiatric Rating Scale (BPRS)...
April 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28427023/the-relationship-between-the-neuro-quality-of-life-depression-and-anxiety-measures-and-the-personality-assessment-inventory-in-persons-with-epilepsy
#17
Anthony P De Marco, James J Mahoney, Paula A Aduen, Jennifer Langer, Stephanie D Bajo, Donna K Broshek
BACKGROUND: To investigate the associations between the Neuro-Quality of Life (NQOL) Depression and Anxiety measures with an objective emotional inventory (Personality Assessment Inventory; PAI), and demonstrate the clinical utility of the NQOL as screening measures for depression and anxiety in persons with epilepsy (PWE). METHODS: PWE (N=72) were concurrently administered the NQOL Depression and Anxiety measures and the PAI. Pearson product moment correlations were used to determine the relationships between the NQOL measures and the respective PAI scales (i...
April 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28425688/pediatric-epilepsy-and-psychiatric-comorbidity-preliminary-observational-data-from-a-prospective-study
#18
Michela Gatta, Alessia Raffagnato, Stefania Mannarini, Laura Balottin, Irene Toldo, Marilena Vecchi, Clementina Boniver
BACKGROUND: Several studies have confirmed psychiatric comorbidity and a worse quality of life in children with epilepsy, but the clinical assessment and monitoring of these patients often pays insufficient attention to their psychological aspects alongside their neurological issues. The present study aims to describe the distribution of psychopathologies and their clinical evolution over 18 months in a sample of children followed up since the onset of their epilepsy. METHODS: After being diagnosed with epilepsy, 49 subjects (age 4-18y) were followed up with psychiatric and psychological assessments based on the use of dimensional and categorical psychometric tools...
April 20, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28418198/stress-is-associated-with-an-increased-risk-of-recurrent-seizures-in-adults
#19
Elisa Baldin, W Allen Hauser, Alison Pack, Dale C Hesdorffer
OBJECTIVE: The literature is sparse on the complex interrelationships between stressors, depression, anxiety disorders, and epilepsy. We hypothesized that a relationship exists between stress and epilepsy. We evaluated whether markers of stress are associated with seizure recurrence in a low income community-based cohort of adults with single unprovoked seizure or newly diagnosed epilepsy. METHODS: We ascertained adult residents of Northern Manhattan and Harlem, New York City, with a first unprovoked seizure or newly diagnosed epilepsy, between December 2010 and January 2013...
April 18, 2017: Epilepsia
https://www.readbyqxmd.com/read/28412607/effect-of-early-postnatal-exposure-to-valproate-on-neurobehavioral-development-and-regional-bdnf-expression-in-two-strains-of-mice
#20
Kevin G Bath, Tiare Pimentel
Valproate has been used for over 30years as a first-line treatment for epilepsy. In recent years, prenatal exposure to valproate has been associated with teratogenic effects, limiting its use in women that are pregnant or of childbearing age. However, despite its potential detrimental effects on development, valproate continues to be prescribed at high rates in pediatric populations in some countries. Animal models allow us to test hypotheses regarding the potential effects of postnatal valproate exposure on neurobehavioral development, as well as identify potential mechanisms mediating observed effects...
April 12, 2017: Epilepsy & Behavior: E&B
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