News tagged with cellular stress
Biologists identify a new clue into cellular aging
The ability to combat some age-related diseases, such as cancer and diabetes, may rest with scientists unlocking clues about the molecular and cellular processes governing aging. The underlying theory is that if the healthy ...
Jul 07, 2010 |
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Brief exercise reduces impact of stress on cell aging, study shows
Exercise can buffer the effects of stress-induced cell aging, according to new research from UCSF that revealed actual benefits of physical activity at the cellular level.
May 26, 2010 |
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Misfolded proteins: The fundamental problem is aging
Proteins are essential for all biological activities and the health of the cell. Misfolded and damaged proteins spell trouble and are common to all human neurodegenerative diseases and many other age-associated diseases. ...
Aug 24, 2009 |
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Possible link studied between childhood abuse and early cellular aging
Children who suffer physical or emotional abuse may be faced with accelerated cellular aging as adults, according to new research from Butler Hospital and Brown University.
Medicine & Health / Psychology & Psychiatry
Nov 20, 2009 |
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A chaperone for the 'guardian of the genome'
The protein p53 plays an essential role in the prevention of cancer by initiating the controlled death of a cell with damaged genes which is in danger to transform into a cancerous cell. The heat shock protein Hsp90, in turn, ...
Sep 07, 2011 |
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A major step forward towards drought tolerance in crops
When a plant encounters drought, it does its best to cope with this stress by activating a set of protein molecules called receptors. These receptors, once activated, turn on processes that help the plant ...
Dec 19, 2011 |
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Mutant host cell protein sequesters critical HIV-1 element
Scientists have identified a new way to inhibit a molecule that is critical for HIV pathogenesis. The research, published by Cell Press in the January 16th issue of the journal Molecular Cell, presents a target for develo ...
Medicine & Health / HIV & AIDS
Jan 15, 2009 |
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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 ...
Jul 22, 2009 |
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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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Stress-induced genomic instability facilitates rapid cellular adaption in yeast
Cells trying to keep pace with constantly changing environmental conditions need to strike a fine balance between maintaining their genomic integrity and allowing enough genetic flexibility to adapt to inhospitable conditions. ...
Jan 29, 2012 |
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