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Trends Cell Biol. 2008 May;18(5):228-35. doi: 10.1016/j.tcb.2008.02.004. Epub 2008 Mar 17.

Ageing and the regulation of protein synthesis: a balancing act?

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Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology, Vasilika Vouton, PO Box 1385, Heraklion 71110, Crete, Greece.


Ageing in diverse species ranging from yeast to humans is associated with extensive changes in both general and specific protein synthesis. Accumulating evidence now indicates that these alterations are not simply a corollary of the ageing process but, rather, they have a causative role in senescent decline. Indeed, interfering with mRNA translation significantly influences longevity. Interestingly, the mechanisms that control mRNA translation interface with intricate, conserved signalling pathways and specific conditions that regulate ageing, such as the insulin-insulin growth factor 1 signalling pathway and caloric restriction. This emerging relationship reveals that protein synthesis is a novel determinant of ageing in diverse organisms such as yeast, worms, flies and mice and can thus be considered as a universal component of the ageing process.

[Indexed for MEDLINE]

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