Mitochondrial Current Events | Mitochondrial News | 7
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Mama whales teach babies where to eat
University of Utah biologists discovered that young "right whales" learn from their mothers where to eat, raising concern about their ability to find new places to feed if Earth's changing climate disrupts their traditional dining areas. view more (2009-02-09)
Mounting evidence shows red wine antioxidant kills cancer
Rochester researchers showed for the first time that a natural antioxidant found in grape skins and red wine can help destroy pancreatic cancer cells by reaching to the cell's core energy source, or mitochondria, and crippling its function. The study is published in the March edition of the journal, Advances in Experimental Medicine and Biology. view more (2008-03-26)
Evolutionary conservation of a mechanism of longevity from worms to mammals
Though the study of aging in the nematode model organism C. elegans has provided much insight into this complex process, it is not yet clear whether genes involved in aging in the worm have a similar role in mammals. view more (2005-10-05)
New malaria agent found in chimpanzees close to that commonly observed in humans
Researchers based in Gabon and France report the discovery of a new malaria agent infecting chimpanzees in Central Africa. view more (2009-05-29)
Abnormal fat metabolism underlies heart problems in diabetic patients
Heart disease hits people with diabetes twice as often as people without diabetes. In those with diabetes, cardiovascular complications occur at an earlier age and often result in premature death, making heart disease the major killer of diabetic people. But why is heart disease so prevalent among diabetics? view more (2007-08-13)
The Lancet Neurology October Issue
Mental health bill or public order-cause for concern Can we predict whether an individual with a severe personality disorder will commit murder? Should compulsory treatment in the community be introduced? In a draft mental health bill, which was under consultation until September 16, the UK government has proposed a number of changes that have... view more... (2002-09-13)
Researchers discover that growing up too fast may mean dying young in honey bees
Reactive oxygen species (ROS) occur as a by-product of aerobic metabolism and impair cellular function by damaging proteins, nucleotides and lipids. view more (2008-09-25)
Ancient Etruscans unlikely ancestors of modern Tuscans, statistical testing reveals
For the first time, Stanford researchers have used novel statistical computer modeling to simulate demographic processes affecting the population of Tuscany over a 2,500-year time span. Rigorous tests used by the researchers have ruled out a genetic link between ancient Etruscans, the early inhabitants of central Italy, and the region's modern day... view more... (2006-05-26)
Lighting up the heart
A major breakthrough in research could lead to improved recovery of the heart when it is re-started after a heart attack or cardiac surgery. view more (2006-09-22)
Embryonic stem cells accrue genetic changes
An international team of researchers has discovered that human embryonic stem cell lines accumulate changes in their genetic material over time. view more (2005-09-06)
Towards the mechanism of cell respiration
Researchers at the Institute of Biotechnology of the University of Helsinki have for the first time identified an internal electron transfer reaction that initiates the proton pump mechanism of the respiratory enzyme. view more (2006-04-06)
Making metabolism more inefficient can reduce obesity
In a discovery that counters prevailing thought, a study in mice has found that inactivating a pair of key genes involved in "fat-burning" can actually increase energy expenditure and help lower diet-induced obesity. These unusual findings, appearing this week in the JBC, might lead to some new roads in weight-loss therapy. view more (2008-10-03)
Defective movement of cell's power plants implicated in commom inherited neurological disorder
Contrary to previous thinking, the inefficient movement of cell's "power plants" -- the mitochondria -- within a cell, rather than their low energy production, may be a contributing factor in the development of Charcot-Marie-Tooth disease (CMT), new research shows. view more (2007-01-17)
Ancient trans-Atlantic swarm brought locusts to the new world
Somewhere between three and five million years ago, a massive swarm of locusts took off from the west coast of Africa and made an unlikely voyage across the Atlantic Ocean to colonize the New World, says an international team of researchers. view more (2005-12-21)
How a zebra lost its stripes: Rapid evolution of the quagga
DNA from museum samples of extinct animals is providing unexpected information on the extent and effect of the Ice Age as well as the path of species evolution, according to a report by scientists from Yale University, the Smithsonian Institute and the Max Planck Institute for Evolutionary Anthropology. view more (2005-09-27)
Sea snails break the law
Lizards gave rise to legless snakes. Cave fishes don't have eyeballs. In evolution, complicated structures often get lost. Dollo's Law states that complicated structures can't be re-evolved because the genes that code for them were lost or have mutated. view more (2007-04-25)
Mini heart attacks lessen damage from major ones
Researchers have discovered one potential mechanism by which briefly cutting off, then restoring, blood flow to arteries prior to a heart attack lessens the damage caused, according to a study published today in the journal Cardiovascular Research. view more (2008-12-02)
Researchers Create Model of Cancer-Preventing Enzyme, Study How It Works
Proline dehydrogenase is important because it plays a role in apoptosis, the process of cell death, by enabling the creation of superoxide, a highly reactive electron-rich oxygen species. view more (2007-05-14)
MU Research Adds To the Body of Evidence That Finds Exercise Pivotal in Preventing or Fighting Diabetes
One in three American children born in 2000 will develop type II diabetes, according to the U.S. Centers for Disease Control and Prevention (CDC). view more (2007-02-08)
Extinct may not be forever for some species of Galapagos tortoises
Yale scientists report that genetic traces of extinct species of Galapagos tortoises exist in descendants now living in the wild, a finding that could spur breeding programs to restore the species, The report appears in Proceedings of the National Academy of Sciences. view more (2008-09-23)
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