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intellectual disability and epilepsy

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https://www.readbyqxmd.com/read/27889457/a-study-of-oxidative-stress-and-the-newer-antiepileptic-drugs-in-epilepsy-associated-with-severe-motor-and-intellectual-disabilities
#1
Masahito Morimoto, Shigeko Satomura, Toshiaki Hashimoto, Shojiro Kyotani
BACKGROUND: Patients with severe motor and intellectual disabilities (SMID) are those who have both severe intellectual disabilities and severe physical disabilities. Intractable epilepsy is often associated with SMID. The purpose of this study was to elucidate the relationship between epilepsy associated with SMID and oxidative stress, and to clarify the safety and efficacy of the newer antiepileptic drugs (newer AEDs), lamotrigine and levetiracetam. METHODS: This study was conducted in 27 SMID patients with epilepsy who were treated with the newer AEDs...
November 23, 2016: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/27882480/phenotype-biochemical-features-genotype-and-treatment-outcome-of-pyridoxine-dependent-epilepsy
#2
Amal Al Teneiji, Theodora U J Bruun, Dawn Cordeiro, Jaina Patel, Michal Inbar-Feigenberg, Shelly Weiss, Eduard Struys, Saadet Mercimek-Mahmutoglu
We report treatment outcome of eleven patients with pyridoxine-dependent epilepsy caused by pathogenic variants in ALDH7A1 (PDE-ALDH7A1). We developed a clinical severity score to compare phenotype with biochemical features, genotype and delays in the initiation of pyridoxine. Clinical severity score included 1) global developmental delay/ intellectual disability; 2) age of seizure onset prior to pyridoxine; 3) current seizures on treatment. Phenotype scored 1-3 = mild; 4-6 = moderate; and 7-9 = severe...
November 23, 2016: Metabolic Brain Disease
https://www.readbyqxmd.com/read/27881627/sleep-related-hypermotor-epilepsy-long-term-outcome-in-a-large-cohort
#3
Laura Licchetta, Francesca Bisulli, Luca Vignatelli, Corrado Zenesini, Lidia Di Vito, Barbara Mostacci, Claudia Rinaldi, Irene Trippi, Ilaria Naldi, Giuseppe Plazzi, Federica Provini, Paolo Tinuper
OBJECTIVE: To assess the long-term outcome of sleep-related hypermotor epilepsy (SHE). METHODS: We retrospectively reconstructed a representative cohort of patients diagnosed with SHE according to international diagnostic criteria, sleep-related seizures ≥75% and follow-up ≥5 years. Terminal remission (TR) was defined as a period of ≥5 consecutive years of seizure freedom at the last follow-up. We used Kaplan-Meier estimates to calculate the cumulative time-dependent probability of TR and to generate survival curves...
November 23, 2016: Neurology
https://www.readbyqxmd.com/read/27875746/de-novo-and-inherited-scn8a-epilepsy-mutations-detected-by-gene-panel-analysis
#4
Kameryn M Butler, Cristina da Silva, Yuval Shafir, James D Weisfeld-Adams, John J Alexander, Madhuri Hegde, Andrew Escayg
OBJECTIVES: To determine the incidence of pathogenic SCN8A variants in a cohort of epilepsy patients referred for clinical genetic testing. We also investigated the contribution of SCN8A to autism spectrum disorder, intellectual disability, and neuromuscular disorders in individuals referred for clinical genetic testing at the same testing laboratory. METHODS: Sequence data from 275 epilepsy panels screened by Emory Genetics Laboratory were reviewed for variants in SCN8A...
November 6, 2016: Epilepsy Research
https://www.readbyqxmd.com/read/27872899/de-novo-fgf12-mutation-in-2-patients-with-neonatal-onset-epilepsy
#5
Ilaria Guella, Linda Huh, Marna B McKenzie, Eric B Toyota, E Martina Bebin, Michelle L Thompson, Gregory M Cooper, Daniel M Evans, Sarah E Buerki, Shelin Adam, Margot I Van Allen, Tanya N Nelson, Mary B Connolly, Matthew J Farrer, Michelle Demos
OBJECTIVE: We describe 2 additional patients with early-onset epilepsy with a de novo FGF12 mutation. METHODS: Whole-exome sequencing was performed in 2 unrelated patients with early-onset epilepsy and their unaffected parents. Genetic variants were assessed by comparative trio analysis. Clinical evolution, EEG, and neuroimaging are described. The phenotype and response to treatment was reviewed and compared to affected siblings in the original report. RESULTS: We identified the same FGF12 de novo mutation reported previously (c...
December 2016: Neurology. Genetics
https://www.readbyqxmd.com/read/27871432/a-novel-mutation-in-pgap2-gene-causes-developmental-delay-intellectual-disability-epilepsy-and-microcephaly-in-consanguineous-saudi-family
#6
Muhammad Imran Naseer, Mahmood Rasool, Mohammed M Jan, Adeel G Chaudhary, Peter Natesan Pushparaj, Adel M Abuzenadah, Mohammad H Al-Qahtani
PGAP2 (Post-GPI Attachment to Proteins 2) gene is involved in lipid remodeling steps of Glycosylphosphatidylinositol (GPI)-anchor maturation. At the surface of the cell this gene is required for proper expression of GPI-anchored proteins. Hyperphosphatasia with mental retardation syndrome-3 is an autosomal recessive disorder usually characterized by severe mental retardation. Mutations in the PGAP2 gene cause hyperphosphatasia mental retardation syndrome-3. We have identified a large consanguineous family from Saudi origin segregating developmental delay, intellectual disability, epilepsy and microcephaly...
December 15, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27871429/novel-sacs-mutations-associated-with-intellectual-disability-epilepsy-and-widespread-supratentorial-abnormalities
#7
Zafar Ali, Joakim Klar, Mohammad Jameel, Kamal Khan, Ambrin Fatima, Raili Raininko, Shahid Baig, Niklas Dahl
We describe eight subjects from two consanguineous families segregating with autosomal recessive childhood onset spastic ataxia, peripheral neuropathy and intellectual disability. The degree of intellectual disability varied from mild to severe and all four affected individuals in one family developed aggressive behavior and epilepsy. Using exome sequencing, we identified two novel truncating mutations (c.2656C>T (p.Gln886*)) and (c.4756_4760delAATCA (p.Asn1586Tyrfs*3)) in the SACS gene responsible for autosomal recessive spastic ataxia of Charlevoix-Saguenay (ARSACS)...
December 15, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27864810/a-case-of-pitt-hopkins-syndrome-presented-with-angelman-like-syndromic-phenotypes
#8
Syuan-Yu Hong, I-Ching Chou, Wei-De Lin, Fuu-Jen Tsai
Pitt-Hopkins syndrome (PTHS), caused by a TCF4 gene mutation, is a condition characterized by intellectual disability and developmental delay, breathing anomalies, epilepsy, and distinctive facial dysmorphism [1]. Its diverse clinical appearance causes pediatricians to confuse it with Angelman syndrome, which is considered one of the family members of Angelman-like syndrome. Herein, we report on a 4 y/o boy with PTHS and discuss its similarities and differences with Angelman syndrome. In doing so we hope to provide a feasible pathway to diagnose rare diseases, especially Angelman-like syndrome...
December 2016: BioMedicine
https://www.readbyqxmd.com/read/27859028/phenotypic-and-genotypic-characterization-of-chinese-children-diagnosed-withtuberous-sclerosis-complex
#9
Guang Yang, ZeNing Shi, Yan Meng, XiuYu Shi, LingYu Pang, ShuFang Ma, MengNa Zhang, YanYan Wang, LiPing Zou
We investigated the clinical phenotypes and genetic mutations in Chinese children diagnosed with tuberous sclerosis complex (TSC). Sequencing of TSC1 and TSC2 genes was performed in 117 children with TSC and their parents. Association of TSC gene mutations with clinical manifestations was investigated. All gene mutations were heterozygous including in 16 patients (13.7%) with mutations in TSC1 gene and 101 patients (86.3%) with mutations in TSC2 gene. Among the 16 patients with TSC1 gene mutations, 15 different types of mutations were found, which included five novel mutations; all patients had skin manifestations and epilepsy...
November 8, 2016: Clinical Genetics
https://www.readbyqxmd.com/read/27852077/koolen-de-vries-syndrome-clinical-report-of-an-adult-and-literature-review
#10
Claudia Ciaccio, Chiara Dordoni, Marco Ritelli, Marina Colombi
Koolen-de Vries syndrome (KdS) is a rare genetic condition characterized by typical facial dysmorphisms, cardiac and renal defects, skeletal anomalies, developmental delay, and intellectual disability of variable level. It is caused by a 440-680-kb deletion in the 17q21.31 region, encompassing CRHR1, MAPT, IMP5, STH, and KANSL1, or by an intragenic KANSL1 mutation. The majority of the patients reported are pediatric or young adults, and long-term studies able to define the prognosis of the disease are lacking...
November 17, 2016: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/27848255/prognostic-predictors-for-ambulation-in-children-with-cerebral-palsy-a-systematic-review-and-meta-analysis-of-observational-studies
#11
Orawan Keeratisiroj, Nuanlaor Thawinchai, Wantana Siritaratiwat, Montana Buntragulpoontawee, Chayanin Pratoomsoot
PURPOSE: The purpose of this study is to investigate the prognostic predictors for ambulation in children with cerebral palsy using meta-analysis of observational studies. METHOD: Electronic searches were conducted in PubMed, SCOPUS, CINAHL, ProQuest, Ovid, Wiley InterScience, and ScienceDirect databases from their start dates to December 2015. RESULTS: Of the 1123 identified articles, 12 met the inclusion criteria for qualitative synthesis, eight of which were deemed appropriate for meta-analysis...
November 16, 2016: Disability and Rehabilitation
https://www.readbyqxmd.com/read/27847465/the-many-faces-of-elongator-in-neurodevelopment-and-disease
#12
REVIEW
Marija Kojic, Brandon Wainwright
Development of the nervous system requires a variety of cellular activities, such as proliferation, migration, axonal outgrowth and guidance and synapse formation during the differentiation of neural precursors into mature neurons. Malfunction of these highly regulated and coordinated events results in various neurological diseases. The Elongator complex is a multi-subunit complex highly conserved in eukaryotes whose function has been implicated in the majority of cellular activities underlying neurodevelopment...
2016: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/27847129/a-ten-year-follow-up-cohort-study-of-childhood-epilepsy-changes-in-epilepsy-diagnosis-with-age
#13
Yoshiyuki Hanaoka, Harumi Yoshinaga, Katsuhiro Kobayashi
OBJECTIVE: To elucidate all of the characteristics of childhood epilepsy, we performed a long-term follow-up study on the patients who visited Okayama University Hospital. SUBJECTS AND METHODS: We retrospectively investigated the patients who were involved in the previous epidemiological study and visited Okayama University Hospital for a period of 10years after December 31, 1999. RESULTS: Overall, there were 350 patients' medical records that were evaluated, and 258 patients with complete clinical information available for a 10-year period were enrolled...
November 12, 2016: Brain & Development
https://www.readbyqxmd.com/read/27831545/neuroimaging-findings-in-mowat-wilson-syndrome-a-study-of-54-patients
#14
Livia Garavelli, Ivan Ivanovski, Stefano Giuseppe Caraffi, Daniela Santodirocco, Marzia Pollazzon, Duccio Maria Cordelli, Ebtesam Abdalla, Patrizia Accorsi, Margaret P Adam, Chiara Baldo, Allan Bayat, Elga Belligni, Federico Bonvicini, Jeroen Breckpot, Bert Callewaert, Guido Cocchi, Goran Cuturilo, Koenraad Devriendt, Mary Beth Dinulos, Olivera Djuric, Roberta Epifanio, Francesca Faravelli, Debora Formisano, Lucio Giordano, Marina Grasso, Sabine Grønborg, Alessandro Iodice, Lorenzo Iughetti, Didier Lacombe, Massimo Maggi, Baris Malbora, Isabella Mammi, Sebastien Moutton, Rikke Møller, Petra Muschke, Manuela Napoli, Chiara Pantaleoni, Rosario Pascarella, Alessandro Pellicciari, Maria Luisa Poch-Olive, Federico Raviglione, Francesca Rivieri, Carmela Russo, Salvatore Savasta, Gioacchino Scarano, Angelo Selicorni, Margherita Silengo, Giovanni Sorge, Luigi Tarani, Luis Gonzaga Tone, Annick Toutain, Aurelien Trimouille, Elvis Terci Valera, Samantha Schrier Vergano, Nicoletta Zanotta, Marcella Zollino, William B Dobyns, Alex R Paciorkowski
PURPOSE: Mowat-Wilson syndrome (MWS) is a genetic disease characterized by distinctive facial features, moderate to severe intellectual disability, and congenital malformations, including Hirschsprung disease, genital and eye anomalies, and congenital heart defects, caused by haploinsufficiency of the ZEB2 gene. To date, no characteristic pattern of brain dysmorphology in MWS has been defined. METHODS: Through brain magnetic resonance imaging (MRI) analysis, we delineated a neuroimaging phenotype in 54 MWS patients with a proven ZEB2 defect, compared it with the features identified in a thorough review of published cases, and evaluated genotype-phenotype correlations...
November 10, 2016: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/27830187/germline-and-somatic-mutations-in-the-mtor-gene-in-focal-cortical-dysplasia-and-epilepsy
#15
Rikke S Møller, Sarah Weckhuysen, Mathilde Chipaux, Elise Marsan, Valerie Taly, E Martina Bebin, Susan M Hiatt, Jeremy W Prokop, Kevin M Bowling, Davide Mei, Valerio Conti, Pierre de la Grange, Sarah Ferrand-Sorbets, Georg Dorfmüller, Virginie Lambrecq, Line H G Larsen, Eric Leguern, Renzo Guerrini, Guido Rubboli, Gregory M Cooper, Stéphanie Baulac
OBJECTIVE: To assess the prevalence of somatic MTOR mutations in focal cortical dysplasia (FCD) and of germline MTOR mutations in a broad range of epilepsies. METHODS: We collected 20 blood-brain paired samples from patients with FCD and searched for somatic variants using deep-targeted gene panel sequencing. Germline mutations in MTOR were assessed in a French research cohort of 93 probands with focal epilepsies and in a diagnostic Danish cohort of 245 patients with a broad range of epilepsies...
December 2016: Neurology. Genetics
https://www.readbyqxmd.com/read/27818011/human-grin2b-variants-in-neurodevelopmental-disorders
#16
REVIEW
Chun Hu, Wenjuan Chen, Scott J Myers, Hongjie Yuan, Stephen F Traynelis
The development of whole exome/genome sequencing technologies has given rise to an unprecedented volume of data linking patient genomic variability to brain disorder phenotypes. A surprising number of variants have been found in the N-methyl-d-aspartate receptor (NMDAR) gene family, with the GRIN2B gene encoding the GluN2B subunit being implicated in many cases of neurodevelopmental disorders, which are psychiatric conditions originating in childhood and include language, motor, and learning disorders, autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD), developmental delay, epilepsy, and schizophrenia...
October 2016: Journal of Pharmacological Sciences
https://www.readbyqxmd.com/read/27817982/from-genotype-to-phenotype-in-dravet-disease
#17
Svetlana Gataullina, Olivier Dulac
Dravet syndrome combines clonic generalized, focal or unilateral seizures, beginning within the first year of life, often triggered by hyperthermia whatever its cause, including pertussis vaccination. Long-lasting febrile seizures are frequent in infancy and repeat status epilepticus (SE) has negative prognostic value. Massive myoclonus, rare absences, complex partial seizures and generalized spikes may appear several years later. Myoclonic status may occur in childhood, but acute encephalopathy with febrile SE followed by ischemic lesions and psychomotor impairment, the most severe condition, occurs mainly within the first five years of life...
October 21, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27815844/incidence-and-geographic-distribution-of-succinic-semialdehyde-dehydrogenase-ssadh-deficiency
#18
Savita Verma Attri, Pratibha Singhi, Natrujee Wiwattanadittakul, Jyotindra N Goswami, Naveen Sankhyan, Gajja S Salomons, Jean-Baptiste Roullett, Ryan Hodgeman, Mahsa Parviz, K Michael Gibson, Phillip L Pearl
The incidence of succinic semialdehyde dehydrogenase (SSADH) deficiency, an autosomal recessive inherited disorder of GABA degradation, is unknown. Upon a recent diagnosis of a new family of affected fraternal twins from the Punjabi ethnic group of India, case ascertainment from the literature and our database was done to determine the number of confirmed cases along with their geographic distribution. The probands presented with global developmental delay, infantile onset epilepsy, and a persistent neurodevelopmental disorder upon diagnosis at 10 years of age with intellectual disability, expressive aphasia, and behavioral problems most prominent for hyperactivity...
November 5, 2016: JIMD Reports
https://www.readbyqxmd.com/read/27809925/guided-self-help-interventions-for-mental-health-disorders-in-children-with-neurological-conditions-study-protocol-for-a-pilot-randomised-controlled-trial
#19
Sophie Bennett, Isobel Heyman, Anna Coughtrey, Jess Simmonds, Sophia Varadkar, Terence Stephenson, Margaret DeJong, Roz Shafran
BACKGROUND: Rates of mental health disorders are significantly greater in children with physical illnesses than in physically well children. Children with neurological conditions, such as epilepsy, are known to have particularly high rates of mental health disorders. Despite this, mental health problems in children with neurological conditions have remained under-recognised and under-treated in clinical settings. Evidence-based guided self-help interventions are efficacious in reducing symptoms of mental health disorders in children, but their efficacy in reducing symptoms of common mental health disorders in children with neurological conditions has not been investigated...
November 4, 2016: Trials
https://www.readbyqxmd.com/read/27806796/-dynamin-1-related-infantile-spasms-a-case-report-and-review-of-literature
#20
X L Deng, F Yin, C L Zhang, Y P Ma, F He, L W Wu, J Peng
Objective: To analyze the clinical and gene mutation characteristics of dynamin-1 (DNM1)-related infantile spasms. Method: Clinical, laboratory and genetic data of one case of DNM1-related infantile spasms diagnosed by Xiangya Hospital in September 2015 were analyzed.Through taking "Dynamin-1" "DNM1" as key words to search at CNKI, Wanfang, PubMed and OMIM to date (April 2016), the clinical characteristics of 9 reported cases of DNM1-related epileptic encephalopathy in international literature with our case were reviewed...
November 2, 2016: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
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