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Title: Emerging aspects of membrane traffic in neuronal dendrite growth
Authors: Tang, B.L. 
Keywords: Dendrite
Golgi apparatus
Golgi outpost
Sar 1
Syntaxin 16
Issue Date: 2008
Citation: Tang, B.L. (2008). Emerging aspects of membrane traffic in neuronal dendrite growth. Biochimica et Biophysica Acta - Molecular Cell Research 1783 (2) : 169-176. ScholarBank@NUS Repository.
Abstract: Polarized growth of the neuron would logically require some form of membrane traffic to the tip of the growth cone, regulated in conjunction with other trafficking processes that are common to both neuronal and non-neuronal cells. Unlike axons, dendrites are endowed with membranous organelles of the exocytic pathway extending from the cell soma, including both rough and smooth endoplasmic reticulum (ER) and the ER-Golgi intermediate compartment (ERGIC). Dendrites also have satellite Golgi-like cisternal stacks known as Golgi outposts that have no membranous connections with the somatic Golgi. Golgi outposts presumably serve both general and specific local trafficking needs, and could mediate membrane traffic required for polarized dendritic growth during neuronal differentiation. Recent findings suggest that dendritic growth, but apparently not axonal growth, relies very much on classical exocytic traffic, and is affected by defects in components of both the early and late secretory pathways. Within dendrites, localized processes of recycling endosome-based exocytosis regulate the growth of dendritic spines and postsynaptic compartments. Emerging membrane traffic processes and components that contribute specifically to dendritic growth are discussed. © 2007 Elsevier B.V. All rights reserved.
Source Title: Biochimica et Biophysica Acta - Molecular Cell Research
ISSN: 01674889
DOI: 10.1016/j.bbamcr.2007.11.011
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