Recent Mitochondria Current Events | Mitochondria News
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Research reveals lipids' unexpected role in triggering death of brain cells
The lipid that accumulates in brain cells of individuals with an inherited enzyme disorder also drives the cell death that is a hallmark of the disease, according to new research led by St. Jude Children's Research Hospital investigators. view more (2009-11-13)
'Escaped' proteins add to hearing loss in elderly, UF researchers find
Age-related hearing loss is the most common sensory disorder among the elderly. But scientists are still trying to figure out what cellular processes govern or contribute to the loss. view more (2009-11-11)
Hydrogen Peroxide's Link to Living Cells
If a circadian rhythm is like an orchestra - the united expression of the rhythms of millions of cells - a common chemical may serve as the conductor, or at least as the baton. view more (2009-11-04)
Developmental drug may help bone fractures heal after radiation exposure
A drug currently under development by the University of Pittsburgh School of Medicine may help bone fractures heal more quickly after radiation exposure, according to a study by Pitt researchers. view more (2009-11-03)
Chemosensitivity of cancer cells depends on their protein dependency
Two different anti-apoptotic proteins support cancer cell survival via an identical mechanism, yet differ in their sensitivity to chemotherapeutic drugs, report Brunelle et al. The study will be published online October 26, 2009 and in the November 2, 2009 print issue of the Journal of Cell Biology (JCB). view more (2009-10-26)
Too much of a good thing? Scientists explain cellular effects of vitamin A overdose and deficiency
If a little vitamin A is good, more must be better, right? Wrong! New research published online in the FASEB Journal shows that vitamin A plays a crucial role in energy production within cells, explaining why too much or too little has a complex negative effect on our bodies. view more (2009-10-09)
How mitochondrial gene defects impair respiration, other major life functions
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 is essential to life, defects in mitochondria may affect a wide range of organ systems in humans and animals. view more (2009-09-25)
Evolution still scientifically stable
An international team of researchers, including Monash University biochemists, has discovered evidence at the molecular level in support of one of the key tenets of Darwin's theory of evolution. view more (2009-09-14)
Do high-fat diets make us stupid and lazy?
Short-term memory getting worse? Exercise getting harder? Examine your diet. New research published online in The FASEB Journal showed that in less than 10 days of eating a high-fat diet, rats had a decreased ability to exercise and experienced significant short-term memory loss. view more (2009-08-12)
UCI discovers new Alzheimer's gene
A UC Irvine study has found that a gene called TOMM40 appears twice as often in people with Alzheimer's disease than in those without it. Alzheimer's, for which there is no cure, is the leading cause of elderly dementia. view more (2009-08-07)
Unstable proteins can cause premature ageing
The normal ageing process has long been linked to problems with cell respiration, the process through which the cells extract energy from nutrients. view more (2009-08-06)
Stress signals link pre-existing sickness with susceptibility to bacterial infection
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. view more (2009-07-28)
Bad mitochondria may actually be good for you
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 rate and live longer than normal mice. view more (2009-07-23)
Estrogen can reduce stroke damage by inactivating protein
Estrogen can halt stroke damage by inactivating a tumor-suppressing protein known to prevent many cancers, Medical College of Georgia researchers say. view more (2009-07-17)
Ben-Gurion U. researchers reveal connection between cancer and human evolution
Researchers at Ben-Gurion University of the Negev (BGU) have discovered that gene mutations that once helped humans survive may increase the possibility for diseases, including cancer. view more (2009-07-06)
How mitochondria get their membranes bent
Mitochondria are the powerhouses of cells. Underneath their smooth surface they harbor an elaborately folded inner membrane. It holds a multitude of bottleneck like invaginations, which expand into elongated cavities (cristae). view more (2009-06-25)
Protein regulates movement of mitochondria in brain cells
Scientists have identified a protein in the brain that plays a key role in the function of mitochondria - the part of the cell that supplies energy, supports cellular activity, and potentially wards off threats from disease. view more (2009-06-15)
Researchers engineer metabolic pathway in mice to prevent diet-induced obesity
In recent years, obesity has taken on epidemic proportions in developed nations, contributing significantly to major medical problems, early death and rising health care costs. view more (2009-06-03)
How oxidative stress may help prolong life
Oxidative stress has been linked to aging, cancer and other diseases in humans. Paradoxically, researchers have suggested that small exposure to oxidative conditions may actually offer protection from acute doses. view more (2009-05-29)
Research points to a new way to protect kidneys threatened by insufficient blood or toxins
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. view more (2009-05-19)
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