News tagged with sir2
Gene linked to aging also linked to Alzheimer's
MIT biologists report that they have discovered the first link between the amyloid plaques that form in the brains of Alzheimer's patients and a gene previously implicated in the aging process, SIRT1.
Jul 22, 2010 |
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Search results for sir2
Scientists identify protein that improves DNA repair under stress
Cells in the human body are constantly being exposed to stress from environmental chemicals or errors in routine cellular processes. While stress can cause damage, it can also provide the stimulus for undoing the damage. ...
Jun 16, 2011 |
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'Longevity' protein SIRT1 may ward off precursor to prostate cancer
Researchers from the Kimmel Cancer Center at Jefferson and two other institutions have discovered new evidence that suggests the "longevity" protein SIRT1, known for its life-spanning effects in different species, can inhibit ...
Jan 13, 2011 |
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Researchers find that Sirtuin1 may boost memory and learning ability
The same molecular mechanism that increases life span through calorie restriction may help boost memory and brainpower, researchers at MIT's Picower Institute for Learning and Memory report in the July 11 ...
Medicine & Health / Neuroscience
Jul 11, 2010 |
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Cells send dirty laundry home to mom
Understanding how aged and damaged mother cells manage to form new and undamaged daughter cells is one of the toughest riddles of ageing, but scientists now know how yeast cells do it. In a groundbreaking ...
Feb 01, 2010 |
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Wistar Institute team finds key target of aging regulator
Researchers at The Wistar Institute have defined a key target of an evolutionarily conserved protein that regulates the process of aging. The study, published in Nature, provides fundamental knowledge about key mechanisms of agi ...
Jun 10, 2009 |
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Starve a yeast, sweeten its lifespan
Johns Hopkins researchers have discovered a new energy-making biochemical twist in determining the lifespan of yeast cells, one so valuable to longevity that it is likely to also functions in humans.
Mar 24, 2009 |
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Where does the gene activity of youth go? New findings may hold the key
New evidence may explain why it is that we lose not only our youthful looks, but also our youthful pattern of gene activity with age. A report in the November 26th issue of the journal Cell, a Cell Press publication, reveal ...
Biology /
Nov 26, 2008 |
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Life-extending protein can also have damaging effects on brain cells
Proteins widely believed to protect against aging can actually cause oxidative damage in mammalian brain cells, according to a new report in the July Cell Metabolism, a publication of Cell Press. The findings suggest that t ...
Biology /
Jul 01, 2008 |
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Researchers link gene to cholesterol
MIT researchers have discovered a link between a gene believed to promote long lifespan and a pathway that flushes cholesterol from the body.
Oct 11, 2007 |
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Biologists link calorie restriction, endocrine function in worm longevity
The link between calorie restriction and a longer, healthier life may lie in the head, not in the gut, MIT biologists report.
Biology /
Jun 18, 2007 |
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List of search results for sir2
