News tagged with stress damage
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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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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Unearthing a pathway to brain damage
Neuroscientists have long suspected that abnormal calcium signaling and accumulation of misfolded proteins cause an intracellular membrane-bound organelle called the endoplasmic reticulum (ER) to trigger the ...
Medicine & Health / Neuroscience
Feb 25, 2011 |
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Coffee is good for women working in pairs, but bad for men
(PhysOrg.com) -- A new study from the UK suggests that women who drink coffee may perform better in stressful situations than those on decaffeinated beverages. For men, it's the opposite.
Medicine & Health / Psychology & Psychiatry
Feb 03, 2011 |
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New mechanism links cellular stress and brain damage
A new study uncovers a mechanism linking a specific type of cellular stress with brain damage similar to that associated with neurodegenerative disease. The research, published by Cell Press in the December 9 issue of the ...
Medicine & Health / Neuroscience
Dec 08, 2010 |
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Taking the stress off yeast produces better wine
Turning grape juice into wine is a stressful business for yeasts. Dr Agustin Aranda from the University of Valencia, Spain has identified the genes in yeast that enable it to respond to stress and is investigating ways to ...
Sep 09, 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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Social support buffers adolescent depression after terrorist attacks
Researchers at Ben-Gurion University of the Negev (BGU) have conducted a "before and after" study of depression and terrorist attacks in adolescents, demonstrating that strong social support from friends is a buffer from ...
Jul 20, 2009 |
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'Broken heart syndrome' no longer a myth
(PhysOrg.com) -- Dying of fright or of a broken heart has long been dismissed as myth, but it’s a real phenomenon that one Northeastern physical therapy professor and researcher has observed and studied.
Medicine & Health / Diseases, Conditions, Syndromes
Jul 13, 2009 |
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DNA repair mechanisms relocate in response to stress
Like doctors making house calls, some DNA repair enzymes can relocate to the part of the cell that needs their help, a collaborative team of scientists at Emory University School of Medicine has found.
Mar 26, 2009 |
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