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  • Prognostic factors for relapse and outcome in pediatric acute transverse myelitis
    Brain Dev. (IF 1.504) Pub Date : 2021-01-26
    Jelte Helfferich; Arlette L. Bruijstens; Yu Yi M. Wong; E. Danielle van Pelt; Maartje Boon; Rinze F. Neuteboom

    Objective It may be difficult for clinicians to estimate the prognosis of pediatric acute transverse myelitis (ATM). The aim of this study was to define prognostic factors for relapsing disease and poor outcome in pediatric ATM. Methods This prospective cohort study included 49 children, 18 boys and 31 girls (median age 13.1 years, IQR 6.5–16.2) with a first episode of ATM. Factors associated with

    更新日期:2021-01-26
  • Electroencephalographic findings and genetic characterization of two brothers with IQSEC2 pathogenic variant
    Brain Dev. (IF 1.504) Pub Date : 2021-01-22
    Tatsuro Izumi; Yu Aihara; Atsuo Kikuchi; Shigeo Kure

    Two brothers with an IQSEC2 pathogenic variant presented with early onset intellectual disability, intractable epileptic seizures, autism spectrum disorders, postnatal microcephalus and slowly progressive rigid-spasticity. Their epileptic seizures were characterized by intractability, early onset epileptic spasms, and then clusters of tonic/tonic-clonic seizures, exacerbated by valproate. Electroencephalography

    更新日期:2021-01-22
  • Focal status and acute encephalopathy in a 13-year-old boy with de novo DNM1L mutation: Video-polygraphic pattern and clues for differential diagnosis
    Brain Dev. (IF 1.504) Pub Date : 2021-01-21
    Maria Margherita Mancardi; Claudia Nesti; Francesca Febbo; Ramona Cordani; Laura Siri; Lino Nobili; Elisabetta Lampugnani; Thea Giacomini; Tiziana Granata; Gianluca Marucci; Alessandro Consales; Andrea Rossi; Gianvittorio Luria; Filippo Maria Santorelli; Silvia Buratti

    Background Pathogenic variants in the dynamin 1 like gene are related to abnormal mitochondrial dynamics and distributions and are associated to variable clinical phenotypes. A few patients harboring the p.Arg403Cys missense variant appears to be different from the classical, more severe phenotypes, showing sudden onset of drug resistant seizures after a previously normal or slightly delayed development

    更新日期:2021-01-22
  • A case of infantile Tay-Sachs disease with late onset spasms
    Brain Dev. (IF 1.504) Pub Date : 2021-01-20
    Naohiro Yamamoto; Ichiro Kuki; Shizuka Nagase; Takeshi Inoue; Megumi Nukui; Shin Okazaki; Yasuko Furuichi; Kaori Adachi; Eiji Nanba; Norio Sakai; Hisashi Kawawaki

    Background Epilepsy is known to be associated with Tay-Sachs disease (TSD); however, no detailed reports are available. This case report aimed to present the clinical features of late onset spasms (LOS) in a patient with infantile TSD, and to elucidate the pathophysiology leading to LOS, using proton magnetic resonance spectroscopy (MRS). Case presentation At 11 months old, our patient had an afebrile

    更新日期:2021-01-20
  • Predictors of ADHD persistence in elementary school children who were assessed in earlier grades: A prospective cohort study from Istanbul, Turkey
    Brain Dev. (IF 1.504) Pub Date : 2021-01-19
    Sebla Gökçe; Yankı Yazgan; Herdem Aslan Genç; Gresa Çarkaxhiu Bulut; Esengül Kayan; Onur Tuğçe Poyraz Fındık; Ayşe Burcu Ayaz; Canan Yusufoğlu; Didem Ayyıldız; Burcu Budak; Ender Atabay; Sultan Seval Yılmaz; Umut Kaytanlı; Elif Akın

    Background Attention-deficit hyperactivity disorder (ADHD) is the most common neurodevelopmental disorders among school-age children worldwide. In a more recent follow-up study, Biederman et al. found that 78% of children diagnosed with ADHD between the ages of 6–17 years continued to have a full (35%) or a partial persistence after eleven years. Objective In this study, it was aimed to identify the

    更新日期:2021-01-19
  • Multicenter prospective longitudinal study in 34 patients with Dravet syndrome: Neuropsychological development in the first six years of life
    Brain Dev. (IF 1.504) Pub Date : 2021-01-18
    Domenica Battaglia; Daniela Chieffo; Simona Lucibello; Carla Marini; Valentina Sibilia; Davide Mei; Francesca Darra; Francesca Offredi; Elena Fontana; Nicola Specchio; Simona Cappelletti; Tiziana Granata; Francesca Ragona; Mara Patrini; Maria G. Baglietto; Giulia Prato; Annarita Ferrari; Federico Vigevano; Francesco Guzzetta

    The objective of this study was to identify developmental trajectories of developmental/behavioral phenotypes and possibly their relationship to epilepsy and genotype by analyzing developmental and behavioral features collected prospectively and longitudinally in a cohort of patients with Dravet syndrome (DS). Thirty-four patients from seven Italian tertiary pediatric neurology centers were enrolled

    更新日期:2021-01-19
  • Low-dose phenobarbital for epilepsy with myoclonic absences: A case report
    Brain Dev. (IF 1.504) Pub Date : 2021-01-16
    Susumu Ito; Kaoruko Nagumo; Aiko Nishikawa; Hirokazu Oguni; Satoru Nagata

    Background Epilepsy with myoclonic absences (EMA) is a rare childhood-onset syndrome characterized by absences of responsiveness accompanied by bilateral rhythmic clonic-like myoclonic jerks. Herein, we describe the case of a child with EMA, resistant to multiple commonly used antiepileptic drugs, in whom low-dose phenobarbital unexpectedly achieved complete remission of epilepsy. Case report A 10-year-old

    更新日期:2021-01-18
  • Rapid-onset dystonia-parkinsonism with ATP1A3 mutation and left lower limb paroxysmal dystonia
    Brain Dev. (IF 1.504) Pub Date : 2021-01-13
    Shohei Nomura; Mitsuru Kashiwagi; Takuya Tanabe; Chizu Oba; Kumiko Yanagi; Tadashi Kaname; Nobuhiko Okamoto; Akira Ashida

    Background Rapid-onset dystonia–parkinsonism (RDP) is a disease characterized by an abrupt onset of dystonia accompanied by signs of parkinsonism and prominent bulbar symptoms. Case report We describe a case of a female patient, born after normal delivery, but diagnosed with mild intellectual disability at age 7. She presented with an abrupt onset of upper limb dystonia and bradykinesia without tremor

    更新日期:2021-01-13
  • Neuroplasticity during the transition period: How the adolescent brain can recover from aphasia. A pilot study
    Brain Dev. (IF 1.504) Pub Date : 2021-01-12
    Maite Gárriz-Luis; Juan Narbona; Rocío Sánchez-Carpintero; María A. Pastor; María A. Fernández-Seara; Nerea Crespo-Eguilaz

    Background Increasing clinical and scientific attention is given to the transition of neurological stages from child to adult. Data on brain plasticity during adolescence is interesting for providing adequate evidence-based medical attention to neurological conditions in this population. Acquired aphasia is well described in adults and children, but not in adolescence. Objective We describe a 5-year

    更新日期:2021-01-12
  • Clinical manifestations and epilepsy treatment in Japanese patients with pathogenic CDKL5 variants
    Brain Dev. (IF 1.504) Pub Date : 2021-01-09
    Yu Kobayashi; Jun Tohyama; Yukitoshi Takahashi; Tomohide Goto; Kazuhiro Haginoya; Takeshi Inoue; Masaya Kubota; Hiroshi Fujita; Ryoko Honda; Masahiro Ito; Kanako Kishimoto; Kazuyuki Nakamura; Yasunari Sakai; Jun-ichi Takanashi; Manabu Tanaka; Koichi Tanda; Koji Tominaga; Seiichiro Yoshioka; Naomichi Matsumoto

    Objective Patients with pathogenic cyclin-dependent kinase-like-5 gene (CDKL5) variants are designated CDKL5 deficiency disorder (CDD). This study aimed to delineate the clinical characteristics of Japanese patients with CDD and elucidate possible appropriate treatments. Methods We recruited patients with pathogenic or likely pathogenic CDKL5 variants from a cohort of approximately 1,100 Japanese patients

    更新日期:2021-01-10
  • HPeV3-associated acute encephalitis/encephalopathy among Japanese infants
    Brain Dev. (IF 1.504) Pub Date : 2021-01-08
    Yuichi Abe; Takuro Ohno; Hiroshi Matsumoto; Yusuke Daimon; Hirokazu Kurahashi; Rumiko Takayama; Yuri Sakaguchi; Saori Tanabe; Fumiko Tanaka; Yusaku Miyamoto; Akiko Kawano; Hideo Yamanouchi

    Objective The current study aimed to identify and compare the clinical characteristics of human parechovirus type 3 (HPeV3)-associated acute encephalitis/encephalopathy (HPeV3E/E) between infants with abnormal brain magnetic resonance imaging (MRI) findings (typical, or MRI-positive HPeV3E/E) and those with MRI-negative findings (MRI-negative HPeV3E/E). Methods This is a retrospective study on patients

    更新日期:2021-01-08
  • Vitamins K and D deficiency in severe motor and intellectually disabled patients
    Brain Dev. (IF 1.504) Pub Date : 2020-10-31
    Tomoko Sakai; Tokumitsu Shirai; Tsutomu Oishi

    Objectives We aimed to determine serum 25-hydroxyvitamin D (25(OH)D) and undercarboxylated osteocalcin (ucOC) levels in severe motor and intellectual disabilities (SMID) patients and their association with bone turnover biomarkers. Methods We assessed vitamin D and K levels as indicators of osteoporosis in institutionalized adults with SMID. From December 2019 to February 2020, 93 institutionalized

    更新日期:2021-01-07
  • Valine-restricted diet for patients with ECHS1 deficiency: Divergent clinical outcomes in two Japanese siblings
    Brain Dev. (IF 1.504) Pub Date : 2020-10-31
    Ikuko Sato-Shirai; Erika Ogawa; Atsuko Arisaka; Hitoshi Osaka; Kei Murayama; Mari Kuwajima; Miyuki Watanabe; Keiko Ichimoto; Akira Ohtake; Satoko Kumada

    Background ECHS1 is a key enzyme of the valine catabolic pathway and oxidation of fatty acids. In ECHS1 deficiency (ECHS1D), accumulation of toxic intermediates from the valine induces neurodegeneration, which presents Leigh syndrome (LS). Therefore, valine restriction is suggested as an effective therapy. Further, cysteamine may detoxify the toxic metabolites themselves and N-acetylcysteine (NAC)

    更新日期:2021-01-07
  • PNPT1 mutations may cause Aicardi-Goutières-Syndrome
    Brain Dev. (IF 1.504) Pub Date : 2020-11-04
    Daniel Bamborschke; Mona Kreutzer; Anne Koy; Friederike Koerber; Nadja Lucas; Christoph Huenseler; Peter Herkenrath; Min Ae Lee-Kirsch; Sebahattin Cirak

    Background Aicardi-Goutières syndrome (AGS) is a clinically and genetically heterogenous autoinflammatory disorder caused by constitutive activation of the type I interferon axis. It has been associated with the genes TREX1, RNASEH2A, RNASEH2B, RNASEH2C, SAMHD1, ADAR1, IFIH1. The clinical diagnosis of AGS is usually made in the context of early-onset encephalopathy in combination with basal ganglia

    更新日期:2021-01-07
  • Clinical variations of epileptic syndrome associated with PACS2 variant
    Brain Dev. (IF 1.504) Pub Date : 2020-11-23
    Tomoko Mizuno; Rie Miyata; Akira Hojo; Yumie Tamura; Mitsuko Nakashima; Takeshi Mizuguchi; Naomichi Matsumoto; Mitsuhiro Kato

    Background Recent studies have suggested that two PACS2 pathogenic variants, c.625G > A (p.Glu209Lys) and c.631G > A (p.Glu211Lys), have been causally linked to the characteristic developmental and epileptic encephalopathy, including autistic behaviors, hypotonia, cerebellar dysgenesis and facial dysmorphism. Their seizures appear most difficult to control in neonatal and infant period, but improve

    更新日期:2021-01-07
  • Malaysian outcome of acute necrotising encephalopathy of childhood
    Brain Dev. (IF 1.504) Pub Date : 2021-01-07
    Choong Yi Fong; Mon Thandar Saw; Limin Li; Wei Kang Lim; Lai Choo Ong; Chin Seng Gan

    Objective Describe the outcome of a Malaysian cohort of children with acute necrotising encephalopathy (ANE). Method Retrospective study of children with ANE seen at University of Malaya Medical Centre from 2014 to 2019. All clinical details including ANE-severity score (ANE-SS), immunomodulation treatment and neurodevelopmental long-term outcome were collected. Results Thirteen patients had ANE and

    更新日期:2021-01-07
  • Variance in the pathophysiological impact of the hemizygosity of gamma-aminobutyric acid type A receptor subunit genes between Prader-Willi syndrome and Angelman syndrome
    Brain Dev. (IF 1.504) Pub Date : 2021-01-05
    Kiyoshi Egawa; Shinji Saitoh; Naoko Asahina; Hideaki Shiraishi

    Introduction Angelman syndrome (AS) and Prader-Willi syndrome (PWS) are neurodevelopmental disorders caused by loss of function of maternally expressed UBE3A and paternally expressed contiguous genes on chromosome 15q11-13, respectively. A majority of these syndromes suffer from a large deletion of the relevant chromosome (AS Del or PWS Del), which includes biallelically expressed gamma-aminobutyric

    更新日期:2021-01-05
  • Late-onset cerebral arteriopathy in a patient with incontinentia pigmenti
    Brain Dev. (IF 1.504) Pub Date : 2021-01-05
    Sotaro Kanai; Tohru Okanishi; Miki Kawai; Go Yoshino; Yoshiko Tsubouchi; Yoko Nishimura; Hiroshi Sakuma; Hiroki Kurahashi; Yoshihiro Maegaki

    Background Incontinentia pigmenti (IP) is an X-linked neurocutaneous disorder that can present with cerebral arteriopathy during early infancy. However, no previous reports have demonstrated arteriopathic manifestations during postinfantile childhood in patients with IP. Patient description We describe a case of IP in a 2-year-old girl who developed encephalopathic manifestations associated with influenza

    更新日期:2021-01-05
  • Thyroid crisis mimicking clinically mild encephalitis/encephalopathy with a reversible splenial lesion: A pediatric case report
    Brain Dev. (IF 1.504) Pub Date : 2021-01-04
    Kohei Matsubara; Ichiro Kuki; Naohiro Yamamoto; Shizuka Nagase; Takeshi Inoue; Megumi Nukui; Shin Okazaki; Yuki Yamada; Hisashi Kawawaki

    Background Reversible lesions in the splenium of the corpus callosum (SCC) with viral infections are associated mainly with clinically mild encephalitis/encephalopathy with a reversible splenial lesion (MERS). We report a pediatric patient in thyroid crisis with reversible SCC lesions. Case description We diagnosed a 9-year-old girl with thyroid crisis. She had presented with fever, tachycardia, and

    更新日期:2021-01-04
  • Flurothyl-induced seizure paradigm revealed higher seizure susceptibility in middle-aged Angelman syndrome mouse model
    Brain Dev. (IF 1.504) Pub Date : 2021-01-04
    Kiyoshi Egawa; Sachiko Nakakubo; Shuhei Kimura; Takeru Goto; Atsushi Manabe; Hideaki Shiraishi

    Introduction Epilepsy is one of the main clinical problems in Angelman syndrome (AS). Seizures typically start in early childhood then decrease or are often alleviated by young adulthood. Several studies using AS model mice showed comparable seizure susceptibility during young adulthood. In contrast, the course of epilepsy post young adulthood differs from persistently relieved to rerising among reports

    更新日期:2021-01-04
  • Peripheral nerves are involved in hypomyelinating leukodystrophy-3 caused by a homozygous AIMP1 variant
    Brain Dev. (IF 1.504) Pub Date : 2021-01-02
    Ikumi Hori; Daisuke Ieda; Shogo Ito; Seimi Ebe; Yuji Nakamura; Kei Ohashi; Kohei Aoyama; Ayako Hattori; Minoru Kokubo; Shinji Saitoh

    Introduction Aminoacyl-tRNA synthetase-interacting multifunctional protein 1 (AIMP1) is a non-catalytic component of the multi-tRNA synthetase complex that catalyzes the ligation of amino acids to their correct tRNAs. Bi-allelic truncating variants in the AIMP1 gene have been associated with hypomyelinating leukodystrophy-3 (HLD3; MIM 260600), which is characterized by hypomyelination, microcephaly

    更新日期:2021-01-04
  • A de novo CHD3 variant in a child with intellectual disability, autism, joint laxity, and dysmorphisms
    Brain Dev. (IF 1.504) Pub Date : 2020-12-24
    Miyako Mizukami; Aki Ishikawa; Sachiko Miyazaki; Akiko Tsuzuki; Sakae Saito; Tetsuya Niihori; Akihiro Sakurai

    Background Chromodomain helicase DNA-binding (CHD) proteins play important roles in developmental processes. CHD3, a member of the CHD family of proteins, was reported to be a cause of a neurodevelopmental syndrome by Snijders Blok et al., but only a small number of probands have been reported. Case report The patient was a 9-year-old female with severe intellectual disability, speech impairment, autism

    更新日期:2020-12-24
  • Status dystonicus associated with CLN8 disease
    Brain Dev. (IF 1.504) Pub Date : 2020-12-24
    Miraç Yıldırım; Engin Köse; Avni Merter Keçeli; Özgür Balasar; Nazmi Şimşek

    Background Status dystonicus is an underdiagnosed condition, probably due to heterogeneous etiology, presentation and course. Herein, we report the first case of CLN8 disease in the literature presenting with status dystonicus who responded well to pharmacological intervention. Case A boy aged five years and three months presented with fever, loss of appetite, intermittent excessive dystonic contractions

    更新日期:2020-12-24
  • GNAO1 mutation-related severe involuntary movements treated with gabapentin
    Brain Dev. (IF 1.504) Pub Date : 2020-12-23
    Manami Akasaka; Atsushi Kamei; Sachiko Tanifuji; Maya Asami; Jun Ito; Kanako Mizuma; Kotaro Oyama; Tomoharu Tokutomi; Kayono Yamamoto; Akimune Fukushima; Toshiki Takenouchi; Tomoko Uehara; Hisato Suzuki; Kenjiro Kosaki

    Background Mutations in GNAO1 typically result in neurodevelopmental disorders, including involuntary movements. They may be improved using calcium-channel modulators. Case The patient visited our hospital at age 2 years because of moderate global developmental delay. Her intermittent, generalized involuntary movements started at age 8 years. A de novo GNAO1 mutation, NM_020988.2:c.626G > A, (p.Arg209Cys)

    更新日期:2020-12-23
  • Early non-convulsive seizures are associated with the development of acute encephalopathy with biphasic seizures and late reduced diffusion
    Brain Dev. (IF 1.504) Pub Date : 2020-12-17
    Azusa Maruyama; Shoichi Tokumoto; Hiroshi Yamaguchi; Yusuke Ishida; Tsukasa Tanaka; Kazumi Tomioka; Masahiro Nishiyama; Kyoko Fujita; Daisaku Toyoshima; Hiroaki Nagase

    Introduction Children with either febrile seizure or acute encephalopathy exhibit seizures and/or impaired consciousness accompanied by fever of unknown etiology (SICF). Among children with SICF, we previously reported those who have refractory status epilepticus or prolonged neurological abnormalities with normal AST levels are at a high risk for the development of acute encephalopathy with biphasic

    更新日期:2020-12-18
  • Refractory cerebral infarction in a child with an ACTA2 mutation
    Brain Dev. (IF 1.504) Pub Date : 2020-12-17
    Keita Kanamori; Yuri Sakaguchi; Kyoji Tsuda; Satoshi Ihara; Sahoko Miyama

    Introductions A specific mutation in the ACTA2 gene is known to cause multisystemic smooth muscle dysfunction syndrome, which is associated with cerebrovascular diseases and various organ disorders. Cerebral infarctions resulting from severe vasculopathy can be refractory; however, there are no previous reports describing the detailed clinical course of recurrent cerebral infarctions due to an ACTA2

    更新日期:2020-12-17
  • International classification of functioning, disability and health framework (ICF) based adaptive functioning outcomes of children with organic acidemias from a middle-income country
    Brain Dev. (IF 1.504) Pub Date : 2020-12-11
    Ezgi Özalp Akin; Bahar Bingoler Pekcici; Fatma Tuba Eminoglu

    Objective The World Health Organization International Classification of Functioning, Disability and Health Framework (ICF) states that a child’s health conditions, functions, activities, participation in life and contextual factors shape disability. Research on the development of children with organic acidemias (OA) mostly focused on cognitive and medical outcomes. This study aimed to examine adaptive

    更新日期:2020-12-11
  • Clinical evaluation of childhood cerebral adrenoleukodystrophy with balint’s symptoms
    Brain Dev. (IF 1.504) Pub Date : 2020-12-11
    Kazuo Kubota; Hiroki Kawai; Shigeo Takashima; Takayoshi Shimohata; Mika Otsuki; Hidenori Ohnishi; Nobuyuki Shimozawa

    Background Childhood cerebral adrenoleukodystrophy (CCALD) is the most common phenotype of adrenoleukodystrophy (ALD) and is characterized by the progression of intellectual, psychic, visual, and gait disturbances. Progression of this intractable disease can only be prevented by hematopoietic stem cell transplantation during the early stages of the disease. The aim of this study was to clinically evaluate

    更新日期:2020-12-11
  • Clinical experience on the use of perampanel in epilepsy among child neurologists in the Philippines
    Brain Dev. (IF 1.504) Pub Date : 2020-12-04
    Bernadette Macrohon; Jo Janette Resurreccion-De La Calzada; Benilda Sanchez-Gan

    Background Perampanel is the latest anti-seizure medication introduced in the Philippines in 2015. This was initially approved as an adjunctive treatment for focal seizures and those with secondary generalization among individuals 12 years old and above. By March 2020, it has been approved also for generalized seizures and in children 4 years and above. The general objective of this research is to

    更新日期:2020-12-05
  • Infection-associated decrease of serum creatine kinase levels in Fukuyama congenital muscular dystrophy
    Brain Dev. (IF 1.504) Pub Date : 2020-12-02
    Saoko Takeshita; Yoshiaki Saito; Yoshitaka Oyama; Yoshihiro Watanabe; Azusa Ikeda; Mizue Iai; Takatoshi Sato; Keiko Ishigaki; Shu-ichi Ito

    Background Marked decreases in serum creatine kinase levels have been noted in Duchenne and Becker muscular dystrophies as rare complications of autoimmune or autoinflammatory diseases. Subjects and methods The influence of systemic inflammation on serum creatine kinase levels was reviewed from the charts of three subjects with Fukuyama congenital muscular dystrophy. Results A total of 30 infectious

    更新日期:2020-12-02
  • A severe form of autosomal recessive spinocerebellar ataxia associated with novel PMPCA variants
    Brain Dev. (IF 1.504) Pub Date : 2020-12-01
    Yoko Takahashi; Masaya Kubota; Rika Kosaki; Kenjiro Kosaki; Akira Ishiguro

    Spinocerebellar ataxia, autosomal recessive 2 (SCAR2) [MIM:213200] is a rare autosomal recessive disease of spinocerebellar ataxia associated with degeneration of the cerebellum with variable involvement of the brainstem and spinal cord. SCAR2 is characterized by onset of impaired motor development and ataxic gait in early childhood. Recently, several PMPCA gene variants have been reported in SCAR2

    更新日期:2020-12-01
  • The eldest case of MICPCH with CASK mutation exhibiting gross motor regression
    Brain Dev. (IF 1.504) Pub Date : 2020-11-30
    Yosuke Nishio; Hiroyuki Kidokoro; Toshiki Takeo; Hajime Narita; Fumi Sawamura; Kotaro Narita; Yoshihiko Kawano; Tomohiko Nakata; Hideki Muramatsu; Shinya Hara; Tadashi Kaname; Jun Natsume

    Background MICPCH is manifested as microcephaly associated with pontocerebellar hypoplasia and global developmental delay but developmental regression has never been reported. We describe the detailed clinical history of a woman with intellectual disability and microcephaly with pontine and cerebellar hypoplasia (MICPCH) with a CASK mutation who exhibited gross motor regression after adolescence. Case:

    更新日期:2020-12-01
  • Proteomic analysis reveals plasma haptoglobin, interferon-γ, and interleukin-1β as potential biomarkers of pediatric refractory epilepsy
    Brain Dev. (IF 1.504) Pub Date : 2020-11-30
    Vitchayaporn Emarach Saengow; Wararat Chiangjong; Chaiyos Khongkhatithum; Channarong Changtong; Daranee Chokchaichamnankit; Churat Weeraphan; Patcharin Kaewboonruang; Lunliya Thampratankul; Wiparat Manuyakorn; Suradej Hongeng; Chantragan Srisomsap; Jisnuson Svasti; Somchai Chutipongtanate; Anannit Visudtibhan

    Background Children with refractory epilepsy (RE) are associated with increased mortality rate, nonfatal injuries, disability, and diminished quality of life. Biomarkers for the early prediction of RE is still an unmet need. Methods Eighteen children with RE and six age-matched unrelated controls were included in this study. Plasma samples were prefractionated by the optimized thermal treatment before

    更新日期:2020-12-01
  • Congenital disorders of glycosylation type IIb with MOGS mutations cause early infantile epileptic encephalopathy, dysmorphic features, and hepatic dysfunction
    Brain Dev. (IF 1.504) Pub Date : 2020-11-28
    Rie Anzai; Megumi Tsuji; Sumimasa Yamashita; Yoshinao Wada; Nobuhiko Okamoto; Hirotomo Saitsu; Naomichi Matsumoto; Tomohide Goto

    Aim MOGS mutations cause congenital disorders of glycosylation type IIb (CDG-IIb or GCS1-CDG). The specific manifestations caused by the mutations in this gene remain unknown. We aimed to describe the clinical features of CDG- IIb and the effectiveness of urinary oligosaccharide analysis in the diagnosis of CDG- IIb. Methods Patient 1 was analyzed with whole-exome sequencing (WES) to identify the causative

    更新日期:2020-12-01
  • A case of CHOPS syndrome accompanied with moyamoya disease and systemic vasculopathy
    Brain Dev. (IF 1.504) Pub Date : 2020-11-26
    Soo Yeon Kim; Man Jin Kim; Su Jin Kim; Ji Eun Lee; Jong-Hee Chae; Jung Min Ko

    Background CHOPS syndrome, caused by a mutation in the AFF4 gene, is a recently established and extremely rare genetic disorder, which has moderate phenotypic overlap with Cornelia de Lange syndrome. The main phenotypes include characteristic facial features, short stature, obesity, skeletal and pulmonary involvement, and neurodevelopmental impairment. Case report We report on a Korean girl with CHOPS

    更新日期:2020-11-27
  • Transient hypoglycorrhachia with paroxysmal abnormal eye movement in early infancy
    Brain Dev. (IF 1.504) Pub Date : 2020-11-25
    Daisuke Tajima; Takuji Nakamura; Fumio Ichinose; Nobuhiko Okamoto; Yuko Tomonoh; Keiko Uda; Rie Furukawa; Katsuya Tashiro; Muneaki Matsuo

    Paroxysmal abnormal eye movement in early infancy is one of the initial symptoms of glucose transporter 1 deficiency syndrome (GLUT1DS). We describe four early infants with transient hypoglycorrhachia presenting with abnormal eye movements. Their symptoms disappeared after the introduction of a ketogenic diet (KD), and their development was normal. Since no variants in SLC2A1 were detected, the CSF-to-blood

    更新日期:2020-11-26
  • Transient structural MRI patterns correlate with the motor functions in preterm infants
    Brain Dev. (IF 1.504) Pub Date : 2020-11-22
    Ana Katušić; Iris Žunić Išasegi; Milan Radoš; Marina Raguž; Ruža Grizelj; Fabrizio Ferrari; Ivica Kostović

    Aim To explore the relationships between transient structural brain patterns on MRI at preterm and at term-equivalent age (TEA) as a predictor of general movements (GMs) and motor development at 1-year corrected age (CA) in very preterm infants. Methods In this prospective study, 30 very preterm infants (median = 28wks; 16 males) had structural magnetic resonance imaging (MRI) at preterm (median = 31wks + 6d)

    更新日期:2020-11-22
  • Novel ACOX1 mutations in two siblings with peroxisomal acyl-CoA oxidase deficiency
    Brain Dev. (IF 1.504) Pub Date : 2020-11-21
    Atsushi Morita; Takashi Enokizono; Tatsuyuki Ohto; Mai Tanaka; Shiena Watanabe; Yui Takada; Kazuhiro Iwama; Takeshi Mizuguchi; Naomichi Matsumoto; Masashi Morita; Shigeo Takashima; Nobuyuki Shimozawa; Hidetoshi Takada

    Peroxisomal acyl-CoA oxidase (ACOX1) deficiency is a rare autosomal recessive single enzyme deficiency characterized by hypotonia, seizures, failure to thrive, developmental delay, and neurological regression starting from approximately 3 years of age. Here, we report two siblings with ACOX1 deficiency born to non-consanguineous Japanese parents. They showed mild global developmental delay from infancy

    更新日期:2020-11-22
  • Polymicrogyria with calcification in Pallister-Killian syndrome detected by microarray analysis
    Brain Dev. (IF 1.504) Pub Date : 2020-11-21
    Akiko Hiraiwa; Kou Matsui; Yumi Nakayama; Takao Komatsubara; Shinichi Magara; Yu Kobayashi; Moemi Hojo; Mitsuhiro Kato; Toshiyuki Yamamoto; Jun Tohyama

    Background Pallister-Killian syndrome (PKS) is a rare disorder caused by the mosaic tetrasomy of chromosome 12p, and is characterized by facial dysmorphism, developmental delay, hypotonia and seizures. Results We report a patient with PKS showing unique polymicrogyria with calcification. He had delayed development and dysmorphic facial features including frontal bossing, hypertelorism, and high arched

    更新日期:2020-11-22
  • Familial periodic paralysis associated with a rare KCNJ5 variant that supposed to have incomplete penetrance
    Brain Dev. (IF 1.504) Pub Date : 2020-11-14
    Takuya Hiraide; Shinobu Fukumura; Akiyo Yamamoto; Mitsuko Nakashima; Hirotomo Saitsu

    Background The periodic paralyses are a group of skeletal muscle channelopathies caused by variants in several ion channel genes. Potassium Inwardly Rectifying Channel Subfamily J Member 5 (KCNJ5) encodes the G-protein–activated inwardly rectifying potassium channel 4 (Kir3.4) and the heterozygous KCNJ5 variants cause familial hyperaldosteronism and long QT syndrome (LQTS). Recent studies suggested

    更新日期:2020-11-15
  • Novel de novo mutation substantiates ATP6V0C as a gene causing epilepsy with intellectual disability
    Brain Dev. (IF 1.504) Pub Date : 2020-11-13
    Chupong Ittiwut; Sathida Poonmaksatit; Ponghatai Boonsimma; Tayard Desudchit; Kanya Suphapeetiporn; Rungnapa Ittiwut; Vorasuk Shotelersuk

    Background In approximately half of patients with epilepsy and intellectual disability (ID), the cause is unidentified and could be a mutation in a new disease gene. Patient description To determine the discovery of disease-causing mutation in a female patient with epilepsy and ID, we performed trio whole-exome sequencing, reverse transcription polymerase chain reaction (RT-PCR) followed by Sanger

    更新日期:2020-11-13
  • Dravet syndrome with parkinsonian symptoms and intact dopaminergic neurons: A case report
    Brain Dev. (IF 1.504) Pub Date : 2020-11-13
    Masahiro Kanatani; Tadashi Adachi; Ryoichi Sakata; Yoko Nishimura; Yoshiaki Saito; Yoshihiro Maegaki; Yasuhiro Watanabe; Ritsuko Hanajima

    Introduction Dravet syndrome (DS) is severe myoclonic epilepsy in infancy and associated with a heterozygous mutation of the gene for the sodium channel alpha 1 subunit (SCN1A). Recently, adult patients with DS have been reported to show parkinsonism, but no corresponding neuroimaging data are available. Here, we present neuroimaging data in 2 adult patients with DS showing parkinsonian symptoms. Case

    更新日期:2020-11-13
  • Neuroimaging manifestations and genetic heterogeneity of Walker-Warburg syndrome in Saudi patients
    Brain Dev. (IF 1.504) Pub Date : 2020-11-13
    Sara Alharbi; Amal Alhashem; Fowzan Alkuraya; Fawaz Kashlan; Kalthoum Tlili-Graiess

    Background Walker-Warburg syndrome (WWS), an autosomal recessive disease, is the most severe phenotype of congenital muscular dystrophies. Its diagnosis remains primarily clinical and radiological. Identification of its causative variants will assist genetic counseling. We aim to describe genetic and neuroimaging findings of WWS and investigate the correlation between them. Methods We retrospectively

    更新日期:2020-11-13
  • Pediatric headache: Are the red flags misleading or prognostic?
    Brain Dev. (IF 1.504) Pub Date : 2020-11-10
    Özlem Yayıcı Köken; Ayşegül Danış; Deniz Yüksel; Ayşe Aksoy; Ülkühan Öztoprak; Erhan Aksoy

    Background Symptoms and findings called orange or red flags may indicate the etiology of pediatric headaches and may point to a life-threatening situation requiring urgent treatment and thus can alter patient management. These findings can be either misleading or prognostic for clinicians. We aimed to identify the etiology and prognostic value of orange/red flags in pediatric patients. Methods This

    更新日期:2020-11-12
  • Biallelic XPR1 mutation associated with primary familial brain calcification presenting as paroxysmal kinesigenic dyskinesia with infantile convulsions
    Brain Dev. (IF 1.504) Pub Date : 2020-10-22
    Li-Ou Tang; Bing-Hui Hou; Xiao-Na Zhang; Zhao-Yan Xi; Chun-Xiao Li; Lin Xu

    Background Mutations in the XPR1 gene are associated with primary familial brain calcifications (PFBC). All reported mutations are missense and inherited as an autosomal dominant trait. PFBC patients exhibited movement disorders, neuropsychiatric symptoms, and other associated symptoms with diverse severity, even within the same family. Materials and methods We identified and enrolled a patient with

    更新日期:2020-10-22
  • A novel stop-gain CUL3 mutation in a Japanese patient with autism spectrum disorder
    Brain Dev. (IF 1.504) Pub Date : 2020-10-21
    Sota Iwafuchi; Atsuo Kikuchi; Wakaba Endo; Takehiko Inui; Yu Aihara; Kazuhito Satou; Tadashi Kaname; Shigeo Kure

    Background CUL3 encodes cullin-3, a core component of a ubiquitin E3 ligase. CUL3 mutations have recently been associated with autism spectrum disorder (ASD); however, the detailed clinical courses have been described in only a limited number of patients with CUL3 mutations and neurodevelopmental diseases, including ASD. Case report A 21-month-old Japanese girl presented with febrile status epilepticus

    更新日期:2020-10-21
  • Magnetic resonance neurography in diagnosing childhood chronic inflammatory demyelinating polyradiculoneuropathy
    Brain Dev. (IF 1.504) Pub Date : 2020-10-21
    Shoko Yoshii; Kazumoto Shibuya; Hajime Yokota; Hajime Ikehara; Tadashi Shiohama; Daisuke Sawada; Satoshi Kuwabara; Katsunori Fujii

    Background Peripheral nerve imaging is increasingly recognized as a powerful tool to evaluate nerve hypertrophy in chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) and Charcot-Marie-Tooth diseases (CMT), whereas data in pediatric patients are limited. Case description We describe the case of a 15-year-old Japanese girl with asymmetric demyelinating polyneuropathy, who, at the age of

    更新日期:2020-10-21
  • Diabetes mellitus in an adolescent girl with intellectual disability caused by novel single base pair duplication in the PTRH2 gene: Expanding the clinical spectrum of IMNEPD
    Brain Dev. (IF 1.504) Pub Date : 2020-10-20
    Preetinanda Parida; Aranya Dubbudu; Seba Ranjan Biswal; Indar Kumar Sharawat; Prateek Kumar Panda

    Background Infantile-onset multisystem neurologic, endocrine, and pancreatic disease (IMNEPD) is an extremely rare autosomal recessive disorder with variable expressivity, caused by biallelic mutations in the PTRH2 gene. Core features are global developmental delay or isolated speech delay, intellectual disability, sensorineural hearing loss, ataxia, and pancreatic insufficiency (both exocrine and

    更新日期:2020-10-20
  • The effect of different dietary structure on gastrointestinal dysfunction in children with cerebral palsy and epilepsy based on gut microbiota
    Brain Dev. (IF 1.504) Pub Date : 2020-10-16
    Congfu Huang; Xiuyun Li; Liping Wu; GenFeng Wu; Peiqin Wang; Yuanping Peng; Shuyuan Huang; Zhenyu Yang; Wenkui Dai; Lan Ge; Yansi Lyu; Linlin Wang; Anquan Zhang

    Background Gastrointestinal (GI) difficulties are very common among children with cerebral palsy (CP) and comorbid epilepsy. GI function is influenced by dietary structure on gut microbiota. The aim of this study was to compare gut microbiota differences in two dietary groups of this population and examine whether such differences are related to GI dysfunction. Methods Forty children with CP and epilepsy

    更新日期:2020-10-16
  • Reversible splenial lesion syndrome associated with SARS-CoV-2 infection in two children
    Brain Dev. (IF 1.504) Pub Date : 2020-10-13
    Gonca Bektaş; Nihal Akçay; Kübra Boydağ; Esra Şevketoğlu

    Background Reversible splenial lesion syndrome (RESLES) is characterized by a temporary lesion in the splenium of the corpus callosum, emerging related to encephalitis, seizures, antiepileptic drug withdrawal, or metabolic disturbances. Among RESLES, mild encephalitis/encephalopathy with reversible splenial lesion (MERS) has been defined as a distinct clinicoradiologic syndrome associated with viral

    更新日期:2020-10-13
  • Immunodeficiency in a patient with microcephalic osteodysplastic primordial dwarfism type I as compared to Roifman syndrome
    Brain Dev. (IF 1.504) Pub Date : 2020-10-12
    Hidetoshi Hagiwara; Hiroshi Matsumoto; Kenji Uematsu; Kiyotaka Zaha; Yujin Sekinaka; Noriko Miyake; Naomichi Matsumoto; Shigeaki Nonoyama

    Background Microcephalic osteodysplastic primordial dwarfism type I (MOPD I, also known as Taybi-Linder syndrome) is a rare genetic disorder associated with severe intrauterine growth retardation, short stature, microcephaly, brain anomalies, stunted limbs, and early mortality. RNU4ATAC, the gene responsible for this disorder, does not encode a protein but instead the U4atac small nuclear RNA (snRNA)

    更新日期:2020-10-12
  • Clinical phenotypes of spinal muscular atrophy patients with hybrid SMN gene
    Brain Dev. (IF 1.504) Pub Date : 2020-10-06
    Emma Tabe Eko Niba; Hisahide Nishio; Yogik Onky Silvana Wijaya; Poh San Lai; Takenori Tozawa; Tomohiro Chiyonobu; Misaki Yamadera; Kentaro Okamoto; Hiroyuki Awano; Yasuhiro Takeshima; Toshio Saito; Masakazu Shinohara

    Background Spinal muscular atrophy (SMA) is a neuromuscular disease caused by homozygous deletion of SMN1 exons 7 and 8. However, exon 8 is retained in some cases, where SMN2 exon 7 recombines with SMN1 exon 8, forming a hybrid SMN gene. It remains unknown how the hybrid SMN gene contribute to the SMA phenotype. Method We analyzed 515 patients with clinical suspicion for SMA. SMN1 exons 7 and 8 deletion

    更新日期:2020-10-06
  • Severe pallid breath-holding spells treated with low-dose theophylline
    Brain Dev. (IF 1.504) Pub Date : 2020-09-26
    Ayami Sato; Yoichiro Oda; Hiroko Asakai

    Background The medical treatment for severe pallid breath-holding spells accompanied with severe bradycardia or transient cardiac arrest is controversial. Although various medications have been reported to be effective, patients treated with pacemaker insertion are not always evaluated for pharmacological therapy beforehand. Case report A 9-month-old boy developed pallid breath-holding spells. At 15 months

    更新日期:2020-09-26
  • A longitudinal cohort study of childhood MMR vaccination and seizure disorder among American children.
    Brain Dev. (IF 1.504) Pub Date : 2020-09-25
    David A Geier,Mark R Geier

    Background Measles (rubeola) is a highly contagious infectious disease with significant morbidity/mortality. Measles-Mumps-Rubella (MMR) is a live-attenuated vaccine used in the United States (US) to prevent measles. This retrospective longitudinal cohort study evaluated childhood MMR vaccination and the risk of a seizure episode and seizure disorder. Methods The Independent Healthcare Research Database

    更新日期:2020-09-25
  • Do low birth weight infants not see eyes? Face recognition in infancy.
    Brain Dev. (IF 1.504) Pub Date : 2020-09-25
    Mayumi Yamamoto,Yukihiko Konishi,Ikuko Kato,Kosuke Koyano,Shinji Nakamura,Tomoko Nishida,Takashi Kusaka

    Background Progress in neonatal medicine has dramatically improved the survival rate of preterm births, but the evidence suggests that these low-birth weight infants (LBWIs) go on to develop pervasive development disorders and attention deficit hyperactivity disorder (ADHD) at greater rates than the general population. Children with neurodevelopmental disorders are known to suffer from deficits in

    更新日期:2020-09-25
  • The first Korean cases of combined oxidative phosphorylation deficiency 35 with two novel TRIT1 mutations in two siblings confirmed by clinical and molecular investigation.
    Brain Dev. (IF 1.504) Pub Date : 2020-09-15
    Sukdong Yoo,Young A Kim,Ju Young Yoon,Go Hun Seo,Changwon Keum,Chong Kun Cheon

    Background Combined oxidative phosphorylation deficiency 35 (COXPD 35) is a very rare autosomal recessive disorder caused by homozygous or compound heterozygous mutations in the TRIT1 gene on chromosome 1p34. Only six cases of COXPD 35 and six allelic variants of TRIT1 gene mutations have been reported worldwide. Case description: We describe two siblings who presented with similar clinical features

    更新日期:2020-09-15
  • Clinical characteristics of KCNQ2 encephalopathy.
    Brain Dev. (IF 1.504) Pub Date : 2020-09-08
    Hyo Jeong Kim,Donghwa Yang,Se Hee Kim,Dongju Won,Heung Dong Kim,Joon Soo Lee,Jong Rak Choi,Seung-Tae Lee,Hoon-Chul Kang

    Purpose KCNQ2 mutations are associated with benign familial neonatal epilepsy (BFNE) or developmental and epileptic encephalopathy (DEE). In this study, we aimed to delineate the phenotype of KCNQ2 encephalopathy and evaluate the treatment response. Methods Thirteen patients of KCNQ2 encephalopathy were included in the study. Characteristics of KCNQ2 mutations, electroclinical features, clinical course

    更新日期:2020-09-08
  • Early prediction of encephalopathic transformation in children with benign epilepsy with centro-temporal spikes.
    Brain Dev. (IF 1.504) Pub Date : 2020-09-08
    Adi Porat Rein,Uri Kramer,Moran Hausman Kedem,Aviva Fattal-Valevski,Alexis Mitelpunkt

    Background Most children with Benign epilepsy with centro-temporal spikes (BECTS) undergo remission during late adolescence and do not require treatment. In a small group of patients, the condition may evolve to encephalopathic syndromes including epileptic encephalopathy with continuous spike-and-wave during sleep (ECSWS), or Landau-Kleffner Syndrome (LKS). Development of prediction models for early

    更新日期:2020-09-08
  • Dominant SCN2A mutation with variable phenotype in two generations.
    Brain Dev. (IF 1.504) Pub Date : 2020-09-04
    Gouri Rao Passi,Shekeeb S Mohammad