News tagged with mutant mitochondrial
Large reservoir of mitochondrial DNA mutations identified in humans
Aug 11, 2008 |
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Researchers at the University of Newcastle, England, and the Virginia Bioinformatics Institute at Virginia Tech in the United States have revealed a large reservoir of mitochondrial DNA mutations present in the general population. ...
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Mitochondrial 'bottleneck' cracked
Jan 27, 2008 |
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Scientists have shown for the first time how a particular family of diseases are passed down from mother to child and how this can lead to the severity of the disease differing widely. The research, funded by the Wellcome ...
Mitochondrial DNA mutations can cause degenerative heart and muscle disease
Feb 14, 2008 |
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A single change in the DNA of mitochondria – the cellular power plants that generate energy in all human cells – has been found to cause degenerative heart and muscle disease, according to University of California, Irvine ...
Quick and easy diagnosis for mitochondrial disorders
Oct 22, 2009 |
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Soon you could be genetically screened for mitochondrial disorders quickly and comprehensively. Research published in BioMed Central's open access journal, Genome Medicine, outlines an innovative clinical diagnostic test f ...
Role for CISD2 gene in human disease and lifespan control
May 15, 2009 |
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In the May 15th issue of G&D, Dr. Ting-Fen Tsai (The National Yang-Ming University, Taiwan) and colleagues present a new animal model of human Wolfram Syndrome, and effectively link CISD2 gene function, mitochondrial integr ...
Neurological disorder in golden retriever dogs caused by a mutation in mitochondrial DNA
May 29, 2009 |
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Sensory ataxic neuropathy (SAN) is a recently identified neurological disorder in Golden Retriever dogs with onset during puppyhood. Affected dogs move in an uncoordinated manner and have sensory deficits. Researchers from ...
'Anti-Atkins' low protein diet extends lifespan in flies
Oct 01, 2009 |
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Flies fed an "anti-Atkins" low protein diet live longer because their mitochondria function better. The research, done at the Buck Institute for Age Research, shows that the molecular mechanisms responsible for the lifespan ...
How mitochondrial gene defects impair respiration, other major life functions
Sep 24, 2009 |
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Researchers are delving into abnormal gene function in mitochondria, structures within cells that power our lives. Mitochondria are the place where energy is generated from the most basic molecules of food. Because this function ...
Bad mitochondria may actually be good for you
Jul 22, 2009 |
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Mice with a defective mitochondrial protein called MCLK1 produce elevated amounts of reactive oxygen when young; that should spell disaster, yet according to a study in this week's JBC these mice actually age at a slower ...
Stress signals link pre-existing sickness with susceptibility to bacterial infection
Jul 28, 2009 |
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Mitochondrial diseases disrupt the power generating machinery within cells and increase a person's susceptibility to bacterial infection, particularly in the lungs or respiratory tract. A new study published in Disease Mo ...
Forget the antioxidants? Researchers cast doubt on role of free radicals in aging
Biology /
Feb 17, 2009 |
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For more than 40 years, the prevailing explanation of why we get old has been tied to what is called oxidative stress. This theory postulates that when molecules like free radicals, oxygen ions and peroxides build up in cells, ...
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