News tagged with mitochondrial proteins
Structure of a molecular copy machine: How mitochondrial genes are transcribed
Mitochondria are compartments within cells and have their own DNA. The key protein required for the expression of the genetic information in this DNA is the mitochondrial RNA polymerase enzyme. Its three-dimensional structure ...
Sep 26, 2011 |
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The body's power stations can affect aging
Mitochondria are the body's energy producers, the power stations inside our cells. Researchers at the University of Gothenburg, Sweden, have now identified a group of mitochondrial proteins, the absence of ...
May 10, 2011 |
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New culprit in muscle defects, insulin resistance that come with age
Type 2 diabetes is a widespread problem for many people these days, and our risk for insulin resistance and diabetes only grows as we age. Now, a new report in the May issue of Cell Metabolism reveals a new contributor to the ...
Medicine & Health / Medical research
May 04, 2010 |
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Scientists identify key protein in energy regulation
With obesity and obesity-related diseases epidemic in the developed world, a clear understanding of how metabolism is regulated is crucial. One of the key metabolic pathways involves the oxidation of fat. In the current ...
Medicine & Health / Medical research
Mar 03, 2010 |
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'Anti-Atkins' low protein diet extends lifespan in flies
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 ...
Oct 01, 2009 |
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Scientists discover gene mutation responsible for hereditary neuroendocrine tumor
University of Utah researchers and their colleagues have identified the gene that is mutated in a hereditary form of a rare neuroendocrine tumor called paraganglioma (PGL). The gene, called hSDH5, is required for activation ...
Jul 23, 2009 |
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Key protein in cellular respiration discovered
Many diseases derive from problems with cellular respiration, the process through which cells extract energy from nutrients. Researchers at the Swedish medical university Karolinska Institutet have now discovered a new function ...
Apr 08, 2009 |
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Alzheimer's disease linked to mitochondrial damage
Investigators at Burnham Institute for Medical Research (Burnham) have demonstrated that attacks on the mitochondrial protein Drp1 by the free radical nitric oxide—which causes a chemical reaction called S-nitrosylation—mediates ...
Medicine & Health / Diseases, Conditions, Syndromes
Apr 02, 2009 |
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New clues about mitochondrial 'growth spurts'
Mitochondria are restless, continually merging and splitting. But contrary to conventional wisdom, the size of these organelles depends on more than fusion and fission, as Berman et al. show. Mitochondrial ...
Mar 02, 2009 |
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