News tagged with cellular stress

Stress pathway identified as potential therapeutic target to prevent vision loss

A new study identifies specific cell-stress signaling pathways that link injury of the optic nerve with irreversible vision loss. The research, published by Cell Press in the February 9 issue of the journal Neuron, may le ...

Medicine & Health / Neuroscience

created Feb 08, 2012 | popularity not rated yet | comments 0 | with audio podcast

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. ...

Biology / Cell & Microbiology

created Jan 29, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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 ...

Biology / Biotechnology

created Dec 19, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Study underlines potential of anti-stress peptide to block alcohol dependence

New research by scientists at the Scripps Research Institute has underlined the power of an endogenous anti-stress peptide in the brain to prevent and even reverse some of the cellular effects of acute alcohol and alcohol ...

Medicine & Health / Psychology & Psychiatry

created Dec 09, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Researchers find pulsating response to stress in bacteria

(PhysOrg.com) -- If the changing seasons are making it chilly inside your house, you might just turn the heater on. That's a reasonable response to a cold environment: switching to a toastier and more comfortable ...

Biology / Cell & Microbiology

created Nov 03, 2011 | popularity not rated yet | comments 0

New technique elucidates dynamics of plant cell metabolites

A new technique developed by researchers at RIKEN has clarified the location and dynamics of specific metabolites in a single cell of the alga Chara australis. The findings reveal that these metabolites are re ...

Biology / Cell & Microbiology

created Sep 13, 2011 | popularity not rated yet | comments 0

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, ...

Biology / Biotechnology

created Sep 07, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Researchers flip the switch between development and aging in C. elegans

When researchers at the Buck Institute dialed back activity of a specific mRNA translation factor in adult nematode worms they saw an unexpected genome-wide response that effectively increased activity in specific stress ...

Biology / Biotechnology

created Jul 05, 2011 | popularity not rated yet | comments 0

Surprising culprits behind cell death from fat and sugar overload

Excess nutrients, such as fat and sugar, don't just pack on the pounds but can push some cells in the body over the brink. Unable to tolerate this "toxic" environment, these cells commit suicide.

Medicine & Health / Research

created Jul 05, 2011 | popularity 4.6 / 5 (9) | comments 0 | with audio podcast

Mechanism for stress-induced epigenetic inheritance uncovered in new study

Researchers at RIKEN have uncovered a mechanism by which the effects of stress in the fly species Drosophila are inherited epigenetically over many generations through changes to the structure of chromatin, ...

Biology / Cell & Microbiology

created Jun 23, 2011 | popularity not rated yet | comments 1

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. ...

Biology / Biotechnology

created Jun 16, 2011 | popularity 5 / 5 (1) | comments 10 | with audio podcast

Insulin action in the brain can lead to obesity

Fat-rich food makes you fat. Behind this simple equation lie complex signalling pathways, through which the neurotransmitters in the brain control the body's energy balance. Scientists at the Cologne-based ...

Medicine & Health / Neuroscience

created Jun 06, 2011 | popularity 3.7 / 5 (3) | comments 12 | with audio podcast

Micro-RNA blocks the effect of insulin in obesity

(PhysOrg.com) -- German researchers have discovered a new mechanism that leads to the development of type 2 diabetes in obesity.

Biology / Cell & Microbiology

created Mar 31, 2011 | popularity not rated yet | comments 0 | with audio podcast

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 ...

Biology / Biotechnology

created Jul 07, 2010 | popularity 4.6 / 5 (10) | comments 0 | with audio podcast

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.

Medicine & Health / Health

created May 26, 2010 | popularity 4.7 / 5 (9) | comments 2 | with audio podcast