alexa Neuronal polarity: targeting of microtubule components into axons and dendrites.


Journal of Addiction Research & Therapy

Author(s): Ginzburg I

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Abstract The functional polarity of nerve cells depends on the outgrowth of both axons and dendrites. These processes, which were distinguished by morphological and physiological criteria, have been shown in recent years to differ in molecular composition, including their cytoskeleton. The asymmetric distribution of cytoskeletal elements and, particularly, the segregation of microtubule-associated proteins by their differential transport, may play an important role in the assembly of distinct microtubules in the two neuronal domains. An additional mechanism to achieve this subcellular localization is the transport of specific mRNAs to allow the local synthesis of specific proteins close to their functional site. This may endow the cell with a rapid mechanism for the regulation of synthesis under special conditions, which may be important during neuronal development and plasticity.
This article was published in Trends Biochem Sci and referenced in Journal of Addiction Research & Therapy

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