Archive for June, 2009

Survival mode that protects cells when oxygen is low also slows aging

Saturday, 13 June 2009, filed under Aging; No Comments.

Longer life is accompanied by fewer degenerative diseases…
A biochemical pathway that helps keep cells alive when oxygen is low also plays a role in longevity and resistance against some diseases of old age, according to a report to be published April 16 in the journal Science.
A cell’s protective reaction to a drop in oxygen is [...]

SIRT1 takes down tumors

Saturday, 13 June 2009, filed under Cancer, SIRT; No Comments.

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 April 13 (www.jcb.org) and will appear in the April 20 print issue of the Journal of Cell Biology.
The yeast and nematode equivalents of [...]

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