News tagged with mitochondrial
A new species of bamboo-feeding plant lice found in Costa Rica
Several periods of field work during 2008 have led to the discovery of a new species of bamboo-feeding plant lice in Costa Rica's high-altitude region "Cerro de la Muerte". The discovery was made thanks to ...
Feb 06, 2012 |
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Saturated fatty acids lead to mitochondrial dysfunction and insulin resistance
Excessive levels of certain saturated fatty acids cause mitochondria to fragment, leading to insulin resistance in skeletal muscle, a precursor of type 2 diabetes, according to a paper in the January issue of the journal ...
Jan 20, 2012 |
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High-energy lifestyles led to evolution of the sexes
Scientists are a step closer to explaining one of the most enduring mysteries of modern biology; why are there males and females?
Dec 19, 2011 |
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New 'Achilles' heel' in breast cancer: tumor cell mitochondria
Researchers at the Kimmel Cancer Center at Jefferson have identified cancer cell mitochondria as the unsuspecting powerhouse and "Achilles' heel" of tumor growth, opening up the door for new therapeutic targets in breast ...
Dec 01, 2011 |
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Mitochondria restructuring protein provides new therapeutic target for heart disease
Mitochondria are often called cellular "powerhouses" because they convert nutrients into energy. But these tiny structures also help determine cellular lifespan. Scientists at Sanford-Burnham Medical Research ...
Medicine & Health / Cardiology
Nov 17, 2011 |
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Study first to link mitochondrial dysfunction and alpha-Synuclein multiplication in human fibroblasts
A new study in the Journal of Parkinson's Disease shows for the first time the effects of α-Synuclein (α-syn) gene multiplication on mitochondrial function and susceptibility to oxidative stress in human tissue ...
Oct 06, 2011 |
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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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Researchers develop stem cell-based models for studying mitochondrial disorders
(Medical Xpress) -- Virginia Commonwealth University researchers from the Center for the Study of Biological Complexity, the School of Engineering and the School of Medicine have developed a novel approach ...
Sep 23, 2011 |
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Discovery may lead to mitochndria syndrome treatment
Mitochondrial depletion syndrome accounts for about 11 percent of the cases of children born with common myopathies and a more mild form of the syndrome affecting adults. A new finding by Cornell researchers ...
Sep 22, 2011 |
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Endangered horse has ancient origins and high genetic diversity, new study finds
An endangered species of horse -- known as Przewalski's horse -- is much more distantly related to the domestic horse than researchers had previously hypothesized, reports a team of investigators led by Kateryna ...
Sep 07, 2011 |
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In next-gen DNA sequence, new answers to a rare and devastating disease
In Leigh syndrome, infants are born apparently healthy only to develop movement and breathing disorders that worsen over time, often leading to death by the age of 3. The problem is that the mitochondria responsible for powering ...
Sep 06, 2011 |
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Mitochondrial genome mutates when reprogrammed
Induced pluripotent stem cells (iPS cells) are truly talented multi-taskers. They can reproduce almost all cell types and thus offer great hope in the fight against diseases like Alzheimer's and Parkinson's. ...
Jul 28, 2011 |
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With climate changes, polar bear and brown bear lineages intertwine
Polar bears' unique characteristics allow them to survive in one of the most extreme environments on Earth, but that survival is now threatened as rising temperatures and melting ice reshape the Arctic landscape. Now it appears ...
Jul 07, 2011 |
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Ancestry of polar bears traced to Ireland
An international team of scientists has discovered that the female ancestor of all living polar bears was a brown bear that lived in the vicinity of present-day Britain and Ireland just prior to the peak of ...
Jul 07, 2011 |
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Scientists use DNA technique to distinguish sardines from mackerel
Being able to distinguish sardines from horse mackerel has just got a little easier. Researchers in Spain used forensic mitochondrial DNA (deoxyribonucleic acid) species identification techniques to genetically ...
Jun 17, 2011 |
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