Abstract：
BACKGROUND:ARX genetic defect is associated with a spectrum of neurodevelopmental disorders that exhibit a high degree of phenotypic heterogeneity. METHODS:We studied a family with a 13-year old Chinese boy and his two elder brothers presented with infantile epileptic-dyskinetic encephalopathy and clarified the unknown genetic etiology of the youngest brother by whole exome sequencing. RESULTS:The youngest brother of this family presented with developmental regression, dystonia, epilepsy, microcephaly, visual impairment and oromotor dysfunction. Hyperlactataemia, raised alanine and muscle complex IV deficiency indicated that he had mitochondrial dysfunction. Likely pathogenic hemizygous missense ARX variants (c.989G > A; p.Arg330His) located in conserved nuclear localization sequence was identified. The variant was carried by his asymptomatic mother and not found in his asymptomatic third elder brother. The intractable seizures showed complete but transient responsiveness to pyridoxal phosphate and finally controlled by valproate treatment. CONCLUSION:This is the first case of ARX-associated encephalopathy showing mitochondrial dysfunction and transient responsiveness to pyridoxal phosphate treatment.
journal_name
Brain Devjournal_title
Brain & developmentauthors
Kwong AK,Chu VL,Rodenburg RJT,Smeitink J,Fung CWdoi
10.1016/j.braindev.2019.07.003subject
Has Abstractpub_date
2019-11-01 00:00:00pages
883-887issue
10eissn
0387-7604issn
1872-7131pii
S0387-7604(19)30180-9journal_volume
41pub_type
杂志文章abstract：:Two siblings, male and female, with identical lethal brain malformation are described. Their anomaly is characterized by very low brain weight, lissencephaly, wide ventricles and thin neopallium (colpocephaly) varying in thickness between 0.2 and 3 mm. The neocortex is four layered as in classic lissencephaly. Brainst...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/s0387-7604(82)80008-9
更新日期：1982-01-01 00:00:00
abstract：OBJECTIVE:To analyze and to discuss whether by paying attention to the many recent advancements in the field of pediatric epilepsy surgery catastrophic childhood epilepsies caused by definitive or suspected structural lesions can be prevented more often these days in comparison to the past. METHODS:Based on data from ...
journal_title：Brain & development
pub_type： 杂志文章,评审
doi：10.1016/j.braindev.2013.05.003
更新日期：2013-09-01 00:00:00
abstract：:713 children (from newborn to 12-month-old) with delayed motor development were carefully examined and classified into normal, very light cerebral coordination disturbance (CCD, Vojta), light CCD, moderate CCD, severe CCD, suspected cerebral palsy (CP) and other diseases at their first visit, and were followed up care...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/s0387-7604(83)80024-2
更新日期：1983-01-01 00:00:00
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journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/s0387-7604(89)80066-x
更新日期：1989-01-01 00:00:00
abstract：:A 2-year-old boy with herpes simplex encephalitis developed diffuse brain lesions involving the white matter of both cerebral hemispheres. These lesions in the white matter were clearly observed on magnetic resonance imaging (MRI) with the T2-weighted sequence, and were found to have spontaneously disappeared on subse...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/0387-7604(95)00141-7
更新日期：1996-03-01 00:00:00
abstract：:Two siblings with adenosine deaminase deficiency were successfully treated with allogeneic bone marrow transplantation without conditioning. Although the patients were free from infections after immunologic reconstitution, both showed sensorineural deafness at 1 year of age. Because there were no structural abnormalit...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/0387-7604(96)00014-9
更新日期：1996-07-01 00:00:00
abstract：:Clobazam was added to the previous antiepileptic drug therapy of 90 children suffering from drug resistant epilepsy. Ten patients became seizure free, although four of these later developed tolerance. Thirty-three patients experienced a decrease in seizure frequency, and 24 of these, too, developed tolerance. Forty-fo...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/s0387-7604(12)80025-8
更新日期：1991-05-01 00:00:00
abstract：:Eye and brain involvement in congenital muscular dystrophies (CMD) constitute a distinct group with a spectrum of brain malformations. We report two such CMD patients among our series of 58 cases with CMD. Despite known clinical and neuroradiological overlap, we tend to classify them into specific syndromes, though th...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/0387-7604(95)00047-f
更新日期：1995-07-01 00:00:00
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journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/s0387-7604(12)80067-2
更新日期：1990-01-01 00:00:00
abstract：BACKGROUND:The underlying genetic abnormalities of rare familial idiopathic epilepsy have been identified, such as mutation in KCNQ2, a K(+) channel gene. Yet, few genetic abnormalities have been reported for commoner epilepsy, i.e., sporadic idiopathic epilepsy, which share a phenotype similar to those of familial epi...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/j.braindev.2008.05.010
更新日期：2009-01-01 00:00:00
abstract：:Mutation of the gene for alpha-tocopherol transfer protein causes ataxia with isolated vitamin E deficiency, a disorder usually stabilized or improved after vitamin E supplementation. Dystonia has rarely been described in ataxia with isolated vitamin E deficiency (AVED) patients. We present the case of a young boy wit...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/s0387-7604(03)00054-8
更新日期：2003-09-01 00:00:00
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journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/j.braindev.2016.10.001
更新日期：2017-03-01 00:00:00
abstract：:Progressive multifocal leukoencephalopathy is a demyelinating disease caused by JC virus, an opportunistic infection of the central nervous system. Although the majority of cases are infected with the human immunodeficiency virus (HIV), other immunocompromised patients are also at risk. Purine nucleoside phosphorylase...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/j.braindev.2006.07.008
更新日期：2007-03-01 00:00:00
abstract：OBJECTIVE:Autonomic nervous system activity is recognized as a major component of emotional responses. Future reward/punishment expectations depend upon the process of decision making in the frontal lobe, which is considered to play an important role in executive function. The aim of this study was to investigate the r...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/j.braindev.2017.03.004
更新日期：2017-08-01 00:00:00
abstract：OBJECTIVES:Defects in DNA damage responses or repair mechanisms cause numerous rare inherited diseases, referred to as "DNA-repair defects" or "DNA damage deficiency", characterized by neurodegeneration, immunodeficiency, and/or cancer predisposition. Early accurate diagnosis is important for informing appropriate clin...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/j.braindev.2018.09.007
更新日期：2019-02-01 00:00:00
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journal_title：Brain & development
pub_type： 杂志文章,评审
doi：10.1016/j.braindev.2012.09.008
更新日期：2013-03-01 00:00:00
abstract：:Blink reflex can be elicited by sudden strong auditory stimulation. Using a special transducer wer recorded this reflex which appears as a microvibration of the eyelid, and named it auditory-evoked eyelid microvibration (AMV). As the reflex pathway of AMV exists in the brainstem, AMV is an easy and useful way of knowi...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/s0387-7604(84)80009-1
更新日期：1984-01-01 00:00:00
abstract：:The association between measurements of lateral ventricle dilatation determined by serial ultrasound and brain specific creatine-kinase isoenzyme patterns (CK-BB) is studied in 60 very low birth weight preterm neonates of 1,500 g birth weight or 32 weeks gestation or less. The patients were divided into three groups a...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/s0387-7604(12)80234-8
更新日期：1992-07-01 00:00:00
abstract：:A 2-month-old Japanese girl exhibited tonic seizure, agenesis of the corpus callosum, lacunar chorioretinopathy, vertebral anomalies, electroencephalographic abnormalities and a malignant tumor. Autopsy revealed a hepatoblastoma and severe brain malformations consisting of callosal agenesis, arhinencephaly, marked pol...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/s0387-7604(85)80119-4
更新日期：1985-01-01 00:00:00
abstract：:Angelman syndrome (AS) is a genetic disorder with characteristic clinical and EEG findings. We report here the results of long-term follow-up studies on the epileptic seizures and EEG findings of 23 cases of deletion type AS confirmed by FISH analysis, including seven cases previously reported by Matsumoto et al. in 1...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/j.braindev.2004.01.009
更新日期：2005-08-01 00:00:00
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journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/j.braindev.2009.01.003
更新日期：2010-03-01 00:00:00
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journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/S0387-7604(03)00161-X
更新日期：2004-06-01 00:00:00
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journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/j.braindev.2019.07.010
更新日期：2020-01-01 00:00:00
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journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/j.braindev.2009.09.003
更新日期：2010-09-01 00:00:00
abstract：BACKGROUND:More than 90% of spinal muscular atrophy (SMA) patients show homozygous deletion of SMN1 (survival motor neuron 1). They retain SMN2, a highly homologous gene to SMN1, which may partially compensate for deletion of SMN1. Although the promoter sequences of these two genes are almost identical, a GCC insertion...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/j.braindev.2014.10.006
更新日期：2015-08-01 00:00:00
abstract：:In 1908 a Viennese remedial educator Theodor Heller described six children under the name of dementia infantilis who had insidiously developed a severe mental regression between the 3rd and 4th years of life after normal mental development. Neuropathological and other medical conditions are sometimes associated with t...
journal_title：Brain & development
pub_type： 杂志文章,评审
doi：10.1016/s0387-7604(02)00228-0
更新日期：2003-06-01 00:00:00
abstract：BACKGROUND:Guillain-Barré syndrome and myasthenia gravis both lead to muscle weakness but the two combined is uncommon. Detection of these entities can help identify forms of autoimmune neuromuscular diseases that may respond to immunotherapy. This report sought to characterize the clinical features of these two entiti...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/j.braindev.2012.10.016
更新日期：2013-10-01 00:00:00
abstract：:We report on a 9-year-old boy who presented with acute encephalopathy and hemophagocytic lymphohistiocytosis (HLH). The patient was referred to our hospital because of fever, seizures, and decreased consciousness. He showed moderately elevated levels of proinflammatory cytokines in the cerebrospinal fluid and plasma, ...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/j.braindev.2011.07.005
更新日期：2012-05-01 00:00:00
abstract：:The developmental expression of monocyte chemoattractant protein-1 (MCP-1) in the cerebellum, medulla oblongata and pons was investigated in 26 normal human brains, ranging from 20 weeks of gestation (GW) to adulthood by means of an immunohistochemical method. Immunoreactivity to MCP-1 was observed in neurons of the c...
journal_title：Brain & development
pub_type： 杂志文章
doi：10.1016/s0387-7604(98)00065-5
更新日期：1999-01-01 00:00:00
abstract：OBJECTIVES:This study was performed to evaluate the efficacy and tolerability of lacosamide (LCM) for paroxysmal kinesigenic dyskinesia (PKD) in children. METHODS:We retrospectively reviewed the medical charts of pediatric PKD patients (aged <16 years) treated with LCM. Data regarding demographic characteristics, prol...
journal_title：Brain & development
pub_type：
doi：10.1016/j.braindev.2020.04.009
更新日期：2020-09-01 00:00:00
