News tagged with lifespan
SIRT1 takes down tumors
Apr 13, 2009 |
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Yuan et al. have identified another anti-cancer effect of the "longevity" protein SIRT1. By speeding the destruction of the tumor promoter c-Myc, SIRT1 curbs cell division. The study will be published online ...
Starve a yeast, sweeten its lifespan
Mar 24, 2009 |
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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.
Live fast, die young? Maybe not
Mar 09, 2009 |
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The theory that a higher metabolism means a shorter lifespan may have reached the end of its own life, thanks to a study published in the journal Physiological and Biochemical Zoology. The study, led by Lobke Vaanholt (University ...
Not so sweet: Over-consumption of sugar linked to aging
Mar 06, 2009 |
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We know that lifespan can be extended in animals by restricting calories such as sugar intake. Now, according to a study published in the journal PLoS Genetics, Université de Montréal scientists have discov ...
Naturally produced estrogen may protect women from Parkinson's disease
Feb 25, 2009 |
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Women who have more years of fertility (the time from first menstruation to menopause) have a lower risk of developing Parkinson’s disease than women with fewer years, according to a large, new study by researchers at Albert ...
Probing Question: Can we save today's documents for tomorrow?
Feb 12, 2009 |
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Even though your grandparents’ old photo albums are yellowed and grainy, they’re still there for you and your family to enjoy. But will your grandchildren be able to say the same of the digital photo albums ...
Inbreeding insects cast light on longer female lifespans
Biology /
Feb 06, 2009 |
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Inbreeding can unexpectedly extend male lifespan. Insect experiments described in the open access journal BMC Evolutionary Biology have shown that, in seed beetles, inbreeding causes males to live longer, while shortening ...
Stress Impairs Stem Cell Function in Aging Tissues
Biology /
Feb 02, 2009 |
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(PhysOrg.com) -- Heinrich Jasper, assistant professor of biology at the University of Rochester, has won a $900,000 Senior Fellow Award from the Ellison Medical Foundation for his work showing how stress affects stem cell ...
Language driven by culture, not biology
Biology /
Jan 20, 2009 |
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(PhysOrg.com) -- Language in humans has evolved culturally rather than genetically, according to a study by UCL (University College London) and US researchers. By modelling the ways in which genes for language might have ...
Sex and lifespan linked in worms: A family of sugar-like molecules controls both
Biology /
Jul 23, 2008 |
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A group of scientists who set out to study sex pheromones in a tiny worm found that the same family of pheromones also controls a stage in the worms' life cycle, the long-lived dauer larva.
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