Journal
NEURON
Volume 109, Issue 1, Pages 27-41Publisher
CELL PRESS
DOI: 10.1016/j.neuron.2020.09.038
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Funding
- European Research Council (ERC) [884281]
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy [EXC-2049-390688087]
- Reinhart-Koselleck-Program [HA2685/13-1]
- European Research Council (ERC) [884281] Funding Source: European Research Council (ERC)
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The authors reviewed the current understanding of the mechanisms governing the generation, transport, and assembly of key components for presynaptic neurotransmission, discussing how alterations in presynaptic assembly could impact nervous system function or lead to disease, and outlining key questions for future research.
Neurons are highly polarized cells with a single axon and multiple dendrites derived from the cell body to form tightly associated pre- and postsynaptic compartments. As the biosynthetic machinery is largely restricted to the somatodendritic domain, the vast majority of presynaptic components are synthesized in the neuronal soma, packaged into synaptic precursor vesicles, and actively transported along the axon to sites of presynaptic biogenesis. In contrast with the significant progress that has been made in understanding synaptic transmission and processing of information at the post-synapse, comparably little is known about the formation and dynamic remodeling of the presynaptic compartment. We review here our current understanding of the mechanisms that govern the biogenesis, transport, and assembly of the key components for presynaptic neurotransmission, discuss how alterations in presynaptic assembly may impact nervous system function or lead to disease, and outline key open questions for future research.
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