Monday, August 01, 2011

Turning back the clock

Significant paper in stem cells: S. He et Al., “Sox17 expression confers self-renewal potential and fetal stem cell characteristics upon adult hematopoietic progenitors,” Genes and Development, doi/10.1101/gad.2052911, 2011.


100-Year-Olds Just as Unhealthy as the Rest of Us:

The very old are, in fact, no more virtuous than the general population when it comes to shunning bad health habits, leaving researchers to conclude that their genes are mostly responsible for their remarkable longevity.

See article in the Journal of the American Geriatrics Society, which reports results based on a study of the lives of 477 Ashkenazi Jews between the ages of 95 and 112. These 477 were enrolled in Einstein College's Longevity Genes Project, an ongoing study that seeks to understand why centenarians live as long as they do. About 1 in 4,400 Americans lives to age 100, according to 2010 census data.


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