منابع مشابه
mitochondrial DNA ? phenotype associated with multiple deletions in Distal myopathy with tubular aggregates : a new
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متن کاملMitochondrial DNA deletions are associated with non-B DNA conformations
Mitochondrial DNA (mtDNA) deletions are a primary cause of mitochondrial disease and are believed to contribute to the aging process and to various neurodegenerative diseases. Despite strong observational and experimental evidence, the molecular basis of the deletion process remains obscure. In this study, we test the hypothesis that the primary cause of mtDNA vulnerability to breakage resides ...
متن کاملDirectly repeated sequences associated with pathogenic mitochondrial DNA deletions.
We determined the nucleotide sequences of junctional regions associated with large deletions of mitochondrial DNA found in four unrelated individuals with a phenotype of chronic progressive external ophthalmoplegia. In each patient, the deletion breakpoint occurred within a directly repeated sequence of 13-18 base pairs, present in different regions of the normal mitochondrial genome-separated ...
متن کاملAltered skeletal muscle (mitochondrial) properties in patients with mitochondrial DNA single deletion myopathy
BACKGROUND Mitochondrial myopathy severely affects skeletal muscle structure and function resulting in defective oxidative phosphorylation. However, the major pathomechanisms and therewith effective treatment approaches remain elusive. Therefore, the aim of the present study was to investigate disease-related impairments in skeletal muscle properties in patients with mitochondrial myopathy. Acc...
متن کاملFamilial visceral myopathy associated with a mitochondrial myopathy.
A 27 year old man with intestinal pseudo-obstruction who developed parenteral nutrition induced hyperlipidaemia and who also had ophthalmoplegia and an undifferentiated myopathy is described. Histological examination of biopsy specimens and molecular analysis show that this patient had both familial visceral myopathy and a mitochondrial myopathy, suggesting that a mitochondrial DNA mutation is ...
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ژورنال
عنوان ژورنال: Pediatric Neurology Briefs
سال: 1992
ISSN: 2166-6482,1043-3155
DOI: 10.15844/pedneurbriefs-6-2-4