alexa The axon initial segment and the maintenance of neuronal polarity
Infectious Diseases

Infectious Diseases

Journal of Infectious Diseases & Therapy

Author(s): Rasband MN

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Ion channel clustering at the axon initial segment (AIS) and nodes of Ranvier has been suggested to be a key evolutionary innovation that enabled the development of the complex vertebrate nervous system. This innovation epitomizes a signature feature of neurons, namely polarity. The mechanisms that establish neuronal polarity, channel clustering and axon-dendrite identity during development are becoming clearer. However, much less is known about how polarity is maintained throughout life. Here, I review the role of the AIS in the development and maintenance of neuronal polarity and discuss how disrupted polarity may be a common component of many diseases and injuries that affect the nervous system.

This article was published in Nature Reviews neuroscience and referenced in Journal of Infectious Diseases & Therapy

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