نتایج جستجو برای: mitochondrial complex i
تعداد نتایج: 1850523 فیلتر نتایج به سال:
Mutations affecting mitochondrial complex I, a multi-subunit assembly that couples electron transfer to proton pumping, are the most frequent cause of heritable mitochondrial diseases. However, the mechanisms by which complex I dysfunction results in disease remain unclear. Here, we describe a Drosophila model of complex I deficiency caused by a homoplasmic mutation in the mitochondrial-DNA-enc...
BACKGROUND Mitochondrial complex I deficiency is the most common cause of mitochondrial disease in childhood. Identification of the molecular basis is difficult given the clinical and genetic heterogeneity. Most patients lack a molecular definition in routine diagnostics. METHODS A large-scale mutation screen of 75 candidate genes in 152 patients with complex I deficiency was performed by hig...
Mitochondrial NADH:ubiquinone oxidoreductase (complex I) is a very large membrane protein complex with a central function in energy metabolism. Complex I from the aerobic yeast Yarrowia lipolytica comprises 14 central subunits that harbour the bioenergetic core functions and at least 28 accessory subunits. Despite progress in structure determination, the position of individual accessory subunit...
Complex I (NADH:ubiquinone oxidoreductase) is the first and largest multimeric complex of the mitochondrial respiratory chain. Human complex I comprises seven subunits encoded by mitochondrial DNA and 38 nuclear-encoded subunits that are assembled together in a process that is only partially understood. To date, mutations causing complex I deficiency have been described in all 14 core subunits,...
AIMS Cardiomyopathy is a major complication of diabetes. Our study was aimed to identify the sites of mitochondrial dysfunction and delineate its consequences on mitochondrial metabolism in a model of type 1 diabetes. METHODS AND RESULTS Diabetes was induced by streptozotocin injection to male Lewis rats. We found a decrease in mitochondrial biogenesis pathway and electron transport chain com...
objective(s) the mitochondrial defects in friedreich's ataxia have been reported in many researches. mitochondrial dna is one of the candidates for defects in mitochondrion, and complex i is the first and one of the largest catalytic complexes of oxidative phosphorylation (oxphos) system. materials and methods we searched the mitochondrial nd4l gene for mutations by ttge and sequencing on ...
Ketogenic Diet used to treat refractory epilepsy for almost a century may represent a treatment option for mitochondrial disorders for which effective treatments are still lacking. Mitochondrial complex I deficiencies are involved in a broad spectrum of inherited diseases including Mitochondrial Encephalomyopathy, Lactic Acidosis and Stroke-like episodes syndrome leading to recurrent cerebral i...
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