نتایج جستجو برای: leukodystrophy
تعداد نتایج: 2650 فیلتر نتایج به سال:
how to cite this article: houshmand m. genetic investigation of lukodystrophy in iran. iran j child neurol.autumn 2014;8;4(suppl.1):11-12.
Iron-sulfur (Fe-S) clusters are essential cofactors for proteins that participate in fundamental cellular processes including metabolism, DNA replication and repair, transcriptional regulation, and the mitochondrial electron transport chain (ETC). ISCA2 plays a role in the biogenesis of Fe-S clusters and a recent report described subjects displaying infantile-onset leukodystrophy due to bi-alle...
BACKGROUND Isolated complex II deficiency is a rare form of mitochondrial disease, accounting for approximately 2% of all respiratory chain deficiency diagnoses. The succinate dehydrogenase (SDH) genes (SDHA, SDHB, SDHC and SDHD) are autosomally-encoded and transcribe the conjugated heterotetramers of complex II via the action of two known assembly factors (SDHAF1 and SDHAF2). Only a handful of...
Introduction We attempted to find the sensitivity and specificity of various pediatric brain masses in the Pakistani population while keeping histopathology or clinical diagnosis as the gold standard. Methods This was a retrospective study that was conducted from January 2007 to January 2016. We reviewed the records of 204 patients that presented to the radiology department of Aga Khan Univer...
Aicardi-Goutières syndrome (AGS) is a progressive encephalopathy with onset in the first year of life and a recessive autosomal pattern of inheritance. The syndrome is characterised by acquired microcephaly, basal ganglia calcifications, white matter abnormalities, chronic cerebrospinal fluid (CSF) lymphocytosis and raised interferon-alpha (INF-alpha) in the CSF. AGS is diagnosed on the basis o...
Leukoencephalopathies are diseases with high clinical heterogeneity. In clinical work, it's difficult for doctors to make a definite etiological diagnosis. Here, we designed a custom probe library which contains the known pathogenic genes reported to be associated with Leukoencephalopathies, and performed targeted gene capture and massively parallel sequencing (MPS) among 49 Chinese patients wh...
BACKGROUND P426L and I179S are the two most frequent mutations in juvenile and adult metachromatic leukodystrophy (late-onset MLD), which, in contrast to infantile MLD, show marked phenotypic heterogeneity. OBJECTIVE To search for genotype-phenotype correlations in late-onset MLD. METHODS The authors reviewed the clinical course of 22 patients homozygous for mutation P426L vs 20 patients he...
BACKGROUND AND PURPOSE Radially oriented hypointense stripes in hyperintense cerebral white matter are recognized on T2-weighted images of certain lysosomal storage disorders. We compared in vivo and postmortem MR imaging with histopathologic findings in three patients with metachromatic leukodystrophy (MLD), globoid cell leukodystrophy (GLD), and infantile GM1 gangliosidosis (GM1) to understan...
Two adult siblings with early onset dementia are described. At presentation, in their early 30s, they showed poor judgment and disinhibition. A progressive dementia ensued over several years. Brain MRI disclosed diffusely increased T2 signal in the cerebral white matter, suggestive of a leukodystrophy. Numerous lysosomal enzyme assays including leucocyte arylsulphatase A and galactocerebrosidas...
OBJECTIVE The aim of this study was to investigate whether the extent and topography of cerebral demyelination correlates with and predicts disease progression in patients with juvenile metachromatic leukodystrophy (MLD). METHODS A total of 137 MRIs of 46 patients with juvenile MLD were analyzed. Demyelination load and brain volume were quantified using the previously developed Software "clus...
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