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Mitochondrial cytopathy; mitochondriopathy (MCP) ... Mitochondrial disease is a group of disorders caused by mitochondrial dysfunction. ... whether in children [2] ...
Because egg cells, but not sperm cells, contribute mitochondria to the developing embryo, only females pass mitochondrial conditions to their children. Mitochondrial disorders can appear in every generation of a family and can affect both males and females, but fathers do not pass mitochondrial traits to their children.
Pearson syndrome is a mitochondrial disease characterized by sideroblastic anemia and exocrine pancreas dysfunction. Other clinical features are failure to thrive, pancreatic fibrosis with insulin-dependent diabetes and exocrine pancreatic deficiency, muscle and neurologic impairment, and, frequently, early death.
Primary mitochondrial myopathies are inherited, while secondary mitochondrial myopathies may be inherited (e.g. Duchenne's muscular dystrophy) [3] or environmental (e.g. alcoholic myopathy [4] [5]). When it is an inherited primary disease, it is one of the metabolic myopathies .
The Journal of Child Neurology published a paper in 2011 that discusses possible new methods to test for MERRF and other mitochondrial diseases through a simple swabbing technique. This is a less invasive technique which allows for an analysis of buccal mitochondrial DNA , and showed significant amounts of the common 5 kb and 7.4 kb ...
Mitochondrial DNA depletion syndrome (MDS or MDDS), or Alper's disease, is any of a group of autosomal recessive disorders that cause a significant drop in mitochondrial DNA in affected tissues. Symptoms can be any combination of myopathic , hepatopathic , or encephalomyopathic . [ 1 ]
Retinitis pigmentosa, mid stage. Kearns and Sayre described patients with "pigmentary degeneration" on funduscopy, night vision abnormalities, and some histologic similarities, but also clinical differences, to retinitis pigmentosa [2] Subsequently, the retinal phenotype of KSS was described as retinitis pigmentosa, atypical retinitis pigmentosa, tapetoretinal degeneration, salt-and-pepper ...
MT-TL1 is a small 75 nucleotide RNA (human mitochondrial map position 3230–3304) that transfers the amino acid leucine to a growing polypeptide chain at the ribosome site of protein synthesis during translation. Also, some studies showed that the MT-TL1 gene pathogenic variants could be attributed to the alterations of mTERF binding ...