ArticleFrontiers in cell and developmental biology2023
A voyage from the ER: spatiotemporal insights into polarized protein secretion in neurons.
Article in Frontiers in cell and developmental biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 3 citations in OpenAlex.
- RBP-Driven RNA sorting and local translation establish the molecular identities of individual sensory axons.Nature communications · 2026Article
- Mechanistic insights into cargo sorting and export from the Golgi apparatus.Nature reviews. Molecular cell biology · 2025Review
- Regulation of Cx36 trafficking through the early secretory pathway by COPII cargo receptors and Grasp55.Cellular and molecular life sciences : CMLS · 2024Article
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Authors and funding
2 authors at 1 institution in 1 country.
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Abstract
To function properly, neurons must maintain a proteome that differs in their somatodendritic and axonal domain. This requires the polarized sorting of newly synthesized secretory and transmembrane proteins into different vesicle populations as they traverse the secretory pathway. Although the trans-Golgi-network is generally considered to be the main sorting hub, this sorting process may already begin at the ER and continue through the Golgi cisternae. At each step in the sorting process, specificity is conferred by adaptors, GTPases, tethers, and SNAREs. Besides this, local synthesis and unconventional protein secretion may contribute to the polarized proteome to enable rapid responses to stimuli. For some transmembrane proteins, some of the steps in the sorting process are well-studied. These will be highlighted here. The universal rules that govern polarized protein sorting remain unresolved, therefore we emphasize the need to approach this problem in an unbiased, top-down manner. Unraveling these rules will contribute to our understanding of neuronal development and function in health and disease.
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