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Trends Neurosci. 2002 Aug;25(8):400-4.

Axonal and presynaptic protein synthesis: new insights into the biology of the neuron.

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Department of General and Environmental Physiology, University of Naples Federico II, Naples, Italy.


The presence of a local mRNA translation system in axons and terminals was proposed almost 40 years ago. Over the ensuing period, an impressive body of evidence has grown to support this proposal -- yet the nerve cell body is still considered to be the only source of axonal and presynaptic proteins. To dispel this lingering neglect, we now present the wealth of recent observations bearing on this central idea, and consider their impact on our understanding of the biology of the neuron. We demonstrate that extrasomatic translation sites, which are now well recognized in dendrites, are also present in axonal and presynaptic compartments.

[Indexed for MEDLINE]

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