نتایج جستجو برای: a3243g

تعداد نتایج: 187  

Journal: :Nucleic acids research 1999
M Helm C Florentz A Chomyn G Attardi

Post-transcriptional modifications are characteristic features of tRNAs and have been shown in a number of cases to influence both their structural and functional properties, including structure stabilization, amino-acylation and codon recognition. We have developed an approach which allows the investigation of the post-transcriptional modification patterns of human mitochondrial wild-type and ...

2015
Frederico Lisboa Nogueira Livia Villela Costa Nadine Márcia de Faria Henry Houlden Daniel Dutra Romualdo Silva

Results We report a case of a 44-year's old woman admitted to the Internal Medicine ward with a two weeks history of signs and symptoms of community-acquired pneumonia and heart failure. She was known to have DM since the third decade of life, hearing loss since the adolescence in addition to hypertension and was in use of metformin, losartan, simvastatin and NPH insulin, with recurrent episode...

2014
LIANSHAN PIAO YANHUA HAN DAN LI

The aim of the present study was to investigate the correlation between the adiponectin gene single nucleotide polymorphism (SNP)45 T/G and long-term oxidative stress in type II diabetes mellitus (T2DM) patients with carotid atherosclerosis. Patients with T2DM were divided into non-carotid atherosclerosis and carotid atherosclerosis groups, which were then subsequently divided into TT and TG + ...

2017
Dar-Shong Lin Shu-Huei Kao Che-Sheng Ho Yau-Huei Wei Pi-Lien Hung Mei-Hsin Hsu Tsu-Yen Wu Tuan-Jen Wang Yuan-Ren Jian Tsung-Han Lee Ming-Fu Chiang

Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS) syndrome is most commonly caused by the A3243G mutation of mitochondrial DNA. The capacity to utilize fatty acid or glucose as a fuel source and how such dynamic switches of metabolic fuel preferences and transcriptional modulation of adaptive mechanism in response to energy deficiency in MELAS syndrome have not ...

2017
Syuichi Tetsuka Asako Tagawa Tomoko Ogawa Mieko Otsuka Ritsuo Hashimoto Hiroyuki Kato

The most common disease-causing mitochondrial DNA (mtDNA) mutation in mitochondrial encephalomyopathy (ME) with lactic acidosis and stroke-like episodes (MELAS) is m.3243A>G. In the future, the incidence of patients with cerebral infarction and diabetes mellitus is expected to increase tremendously. Additionally, the A3243G mutation typical of diabetes is estimated to be present in approximatel...

Journal: :Archives of neurology 2006
Stacey H K Tay Douglas R Nordli Eduardo Bonilla Edward Null Sara Monaco Michio Hirano Salvatore DiMauro

BACKGROUND Microangiopathy has been well described in the brain and muscle of patients with mitochondrial encephalopathy, lactic acidosis, and stroke-like episodes (MELAS). OBJECTIVE To describe a patient with the common A3243G/MELAS point mutation who had aortic rupture and whose mother also died of large vessel rupture. DESIGN Case report. SETTING Collaboration between a primary care ho...

2015
Marco Mignardi Anja Mezger Xiaoyan Qian Linnea La Fleur Johan Botling Chatarina Larsson Mats Nilsson

In clinical diagnostics a great need exists for targeted in situ multiplex nucleic acid analysis as the mutational status can offer guidance for effective treatment. One well-established method uses padlock probes for mutation detection and multiplex expression analysis directly in cells and tissues. Here, we use oligonucleotide gap-fill ligation to further increase specificity and to capture m...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2004
Yohei Kirino Takehiro Yasukawa Shigeo Ohta Shigeo Akira Kaisuke Ishihara Kimitsuna Watanabe Tsutomu Suzuki

Point mutations in the mitochondrial (mt) tRNA(Leu(UUR)) gene are responsible for mitochondrial myopathy, encephalopathy, lactic acidosis, and stroke-like episodes (MELAS), a subgroup of mitochondrial encephalomyopathic diseases. We previously showed that mt tRNA(Leu(UUR)) with an A3243G or T3271C mutation derived from patients with MELAS are deficient in a normal taurine-containing modificatio...

Journal: :Archives of neurology 2005
Liana G Apostolova Matthew White Steven A Moore Patricia H Davis

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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