نتایج جستجو برای: mitochondrial disorder
تعداد نتایج: 719698 فیلتر نتایج به سال:
Despite being a canonical presenting feature of mitochondrial disease, the genetic basis of progressive external ophthalmoplegia remains unknown in a large proportion of patients. Here we show that mutations in SPG7 are a novel cause of progressive external ophthalmoplegia associated with multiple mitochondrial DNA deletions. After excluding known causes, whole exome sequencing, targeted Sanger...
Mitochondrial disorder (MtD) is usually a multisystem disease due to impaired mitochondrial energy production. Severe hypokalemia resulting in muscle weakness and rhabdomyolysis has not been reported as a phenotypic feature of MtD. Here we describe a 60-year-old male patient who developed myalgias followed by generalized muscle weakness a few days before admission. Symptoms were attributed to s...
Introduction Recent studies have suggested that mitochondrial dysfunction is relatively common in many children with autism spectrum disorder (ASD) and appears to be the most prevalent metabolic disorder associated with ASD. However, the exact prevalence of mitochondrial disease in ASD is not clear as the classic criteria for diagnosing mitochondrial disease in ASD appear to underestimate the t...
mitochondrial myopathy, lactic acidosis, and sideroblastic anemia (mlasa) syndrome is a rare autosomal recessive disorder of oxidative phosphorylation and iron metabolism. the association between myopathy and sideroblastic anemia was initially reported in 1974. here we report an 8.5 year old boy with normal cognitive function, suffering from chronic progressive weakness in his lower extremities...
Mitochondria have been implicated in cell transformation since Otto Warburg considered 'respiration damage' to be a pivotal feature of cancer cells. Numerous somatic mitochondrial DNA (mtDNA) mutations have been found in various types of neoplasms, including breast cancer. Establishing the mtDNA mutation pattern in breast cancer cells may enhance the specificity of cancer diagnostics, detection...
Mitochondrial disorders (MIDs) require biochemical or genetic investigations for being diagnosed. In some cases, however, the diagnosis can be suspected upon the syndromic phenotype or upon clinical presentation and family history, as in the following case. The patient was a 74-year-old male admitted for worsening of pre-existing left-sided ptosis and ophthalmoparesis after a birthday party. Th...
We report a case of bilateral mitochondrial optic neuropathies secondary to long-term linezolid treatment, show the nature of recovery, review the findings in the literature and propose a potential mitochondrial mechanism for linezolid-induced mitochondrial optic neuropathy. This is an observational case report and literature review with presentation of the clinical course of linezolid mitochon...
SOD1 is a cause of the fatal, paralytic disorder ALS. Although mechanisms underlying mutant SOD1 neurotoxicity remain uncertain, this protein associates with mitochondria. In this issue of Neuron, Israelson et al. show that mutant SOD1 binds and inhibits the mitochondrial channel VDAC1. This finding sheds light onto possible molecular links between mutant SOD1, mitochondrial dysfunction, and sp...
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