Browse Items (32 total)

PURPOSE: To investigate the impact of rapid-turnaround exome sequencing in critically ill neonates using phenotype-based subject selection criteria. METHODS: Intensive care unit babies aged

BACKGROUND: Cornelia de Lange syndrome is associated with abnormalities on chromosomes 5, 10 and X. AIMS: To delineate the behavioural phenotype of Cornelia de Lange syndrome with specific reference to autistic-spectrum disorder. METHOD: A total of…

Cornelia de Lange syndrome is reported to be associated with self-injurious behavior (SIB) and social avoidance. We used analog methodology to examine the effect of manipulating adult social contact on social communicative behaviors and SIB in 16…

Background: Mowat-Wilson Syndrome (MWS) is caused by deletion/mutation of the ZEB2 gene on chromosome 2q22. MWS is characterized by a distinctive facial appearance, severe intellectual disability and other anomalies, e.g. seizures and/or Hirschsprung…

Neurobehavioral and developmental issues with a broad range of deficits are prominent features of Cornelia de Lange syndrome (CdLS), a disorder due to disruption of the cohesin protein complex. The etiologic relationship of these clinical findings to…

This paper describes the development of a video-based evaluation tool for use in Rett syndrome (RTT). Components include a parent-report checklist, and video filming and coding protocols that contain items on eating, drinking, communication, hand…

BACKGROUND: Velocardiofacial syndrome (VCFS), a genetic deletion condition with numerous cognitive sequelae, is associated with a high rate of psychiatric disorders in childhood. More recently, VCFS has been identified as a high-risk factor for…

AIM: We investigated relationships between hand function and genotype and aspects of phenotype in Rett syndrome. METHOD: Video assessment in naturalistic settings was supplemented by parent-reported data in a cross-sectional study of 144 females with…

Stereotypic hand movements are a feature of Rett Syndrome but few studies have observed their nature systematically. Video data in familiar settings were obtained on subjects (n = 144) identified from an Australian population-based database. I-land…

Background Rare causes of inherited movement disorders often present with a debilitating phenotype of dystonia, sometimes combined with parkinsonism and other neurological signs. Since these disorders are often resistant to medications, DBS may be…

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Costello syndrome is a rare rasopathy caused by germline mutations in the oncogene HRAS resulting in increased signal transduction through the Ras/mitogen-activated protein kinase pathway. In contrast to the more common rasopathies, such as…

We do not know the natural history of dysphagia in classical Rett syndrome (RTT) by stage or age. This study investigated swallowing physiology in 23 females ages 1:7 to 5:8 (years, months) with classical Rett syndrome to determine common and…

Mucopolysaccharidosis IIIC (MPS IIIC, Sanfilippo C syndrome) is a lysosomal storage disorder caused by deficiency of the lysosomal enzyme acetyl-CoA:alpha-glucosaminide N-acetyltransferase (HGSNAT). We performed a clinical study on 29 Dutch MPS IIIC…

PURPOSE: To describe the outcome of ophthalmologic examination of 10 Norwegian children with ataxia-telangiectasia (AT) followed through 5 years. METHODS: Ten Norwegian patients with AT aged 2-22 years (three females, seven males) were examined. The…

BACKGROUND: Mucopolysaccharidosis type I (MPS I) is a rare lysosomal storage disease subdivided into three phenotypes of increasing severity: Scheie, Hurler-Scheie and Hurler. To gauge the effectiveness of treatments and to determine the load likely…

Mutations in the SURF1 gene are the most frequent causes of Leigh disease with cytochrome c oxidase deficiency. We describe four children with novel SURF1 mutations and unusual features: three had prominent renal symptoms and one had ragged red…

The possible link between the opioid peptide beta endorphin and the heterogeneity of the clinical course of multiple sclerosis (MS) was investigated. Peripheral blood mononuclear cells (PBMC) concentrations of beta endorphin were measured in 50…

OBJECTIVES: Type B Niemann-Pick disease (NPD-B) caused by acid sphingomyelinase deficiency is a rare, autosomal recessive, lysosomal storage disorder with a broad range of disease severity. The objectives of this study were to document the natural…

BACKGROUND: Codeine analgesia is wholly or mostly due to its metabolism to morphine by the cytochrome P450 enzyme CYP2D6, which shows significant genetic variation in activity. The aims of this study were to investigate genotype, phenotype and…

Peroxisomes are membrane-bound subcellular organelles that are involved in a variety of cellular functions. Disorders of peroxisomes, either in their assembly or single enzyme deficiencies, manifest themselves in the nervous system both in…

In the past decade there have been significant advances in our understanding of the molecular genetic basis of the neuronal ceroid lipofuscinoses, a clinically and genetically heterogeneous group of childhood neurodegenerative storage disorders.…

X-linked adrenoleukodystrophy (X-ALD) is the most frequent peroxisomal disease. The two main clinical phenotypes of X-ALD are adrenomyeloneuropathy (AMN) and inflammatory cerebral ALD that manifests either in children or more rarely in adults. About…
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