نتایج جستجو برای: melas syndrome
تعداد نتایج: 622265 فیلتر نتایج به سال:
The North American catfish, the black bullhead Ameiurus melas, is recorded for the first time in Poland. The origin of these fish is not clear, but their presence may be associated with unregulated introductions by anglers.
A 49-year-old man presented with chest pain, dyspnea, and lactic acidosis. Left ventricular hypertrophy and myocardial fibrosis were detected. The sequencing of mitochondrial genome (mtDNA) revealed the presence of A to G mtDNA point mutation at position 3243 (m.3243A>G) in tRNALeu(UUR) gene. Diagnosis of cardiac involvement in a patient with Mitochondrial Encephalomyopathy, Lactic Acidosis, an...
Mitochondria possess their own DNA and transcription and translation machinery for the synthesis of 13 protein subunits for the oxidative phosphorylation system, two rRNAs and 22 tRNAs. In 1988 the first human neurodegenerative diseases associated with mutations in the mitochondrial genome were described. The most recent biochemical and genetic research suggests that mitochondrial disorders are...
Nitric oxide (NO) is a free radical and a signaling molecule in several pathways, produced by nitric oxide synthase (NOS) from the conversion of L-arginine to citrulline. Supplementation of L-arginine has been used to treat MELAS (mitochondrial encephalopathy with lactic acidosis and stroke like syndrome), a mitochondrial disease caused by the m.3243A>G mutation. Low levels of serum arginine an...
BACKGROUND Myopathy, encephalopathy, lactic acidosis, and stroke-like episodes (MELAS) syndrome typically manifests in adults younger than 40 years with encephalopathy, stroke-like episodes, and lactic acidosis. Magnetic resonance imaging (MRI) abnormalities typically involve the cortical gray and the adjacent subcortical white matter. OBJECTIVE To describe a 58-year-old woman diagnosed with ...
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