News tagged with mitochondrial
Research points to a new way to protect kidneys threatened by insufficient blood or toxins (w/Video)
May 18, 2009 |
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Better treatments for acute renal failure may be possible by blocking the mitochondrial fragmentation that occurs when kidneys don't get enough blood or are exposed to toxins, researchers at the Medical College ...
Study confirms 3 Neanderthal sub-groups
Apr 15, 2009 |
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The Neanderthals inhabited a vast geographical area extending from Europe to western Asia and the Middle East 30,000 to 100,000 years ago. Now, a group of researchers are questioning whether or not the Neanderthals ...
Key protein in cellular respiration discovered
Apr 08, 2009 |
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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 ...
Alzheimer's disease linked to mitochondrial damage
Apr 02, 2009 |
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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 ...
Lice genomes: Pieces of a new puzzle
Mar 30, 2009 |
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Parents and school nurses take note. Lice are a familiar nuisance around the world and vectors of serious diseases, such as epidemic typhus, in developing regions. New research indicates that lice may actually ...
New clues about mitochondrial 'growth spurts'
Mar 02, 2009 |
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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 ...
New finding about the bane of parents' lives -- head lice
Biology /
Jan 27, 2009 |
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(PhysOrg.com) -- Head lice are a challenge for parents of primary-school aged children all around the world, including Australia.
'Great speciators' explained: It's intrinsic
Biology /
Jan 26, 2009 |
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New molecular research shows that birds within the family Zosteropidae—named white eyes for the feathers that frame their eyes—form new species at a faster rate than any other known bird. Remarkably, unlike ...
Nearly a century later, new findings support Warburg theory of cancer
Jan 12, 2009 |
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German scientist Otto H. Warburg's theory on the origin of cancer earned him the Nobel Prize in 1931, but the biochemical basis for his theory remained elusive.
New research helps explain genetics of Parkinson's disease
Nov 24, 2008 |
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A new study by Narendra et al. suggests that Parkin, the product of the Parkinson's disease-related gene Park2, prompts neuronal survival by clearing the cell of its damaged mitochondria.
Mitochondria could be a target for therapeutic strategy for Alzheimer's disease patients
Nov 05, 2008 |
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A study in the Sept. 21 on-line edition of Nature Medicine describes the function and interaction of a critical molecule involved in cell death in Alzheimer's disease patients. These new findings reveal that blocking this m ...
A Molecular Identity Crisis - a 'Ribozyme Without RNA'
Biology /
Nov 03, 2008 |
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(PhysOrg.com) -- Not all enzymes that are assumed to require an RNA component in order to function do actually contain RNA. This surprising discovery was made during a project supported by the Austrian Science ...
New hope for treating common form of inherited neuromuscular disease
Sep 02, 2008 |
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Treatments that ramp up production of the tiny "motors" that power cells may have promise for treating one of the most common forms of inherited neuromuscular disease, according to a report in the September Cell Metabolism, a Cell ...
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. ...
Complete Neandertal mitochondrial genome sequenced from 38,000-year-old bone
Biology /
Aug 07, 2008 |
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A study reported in the August 8th issue of the journal Cell, a Cell Press publication, reveals the complete mitochondrial genome of a 38,000-year-old Neandertal. The findings open a window into the Neandertals' past and he ...
