Abstract
In recent years, genomic, animal and cell biology studies have implicated deficiencies in retromer-mediated trafficking of proteins in an increasing number of neurodegenerative diseases including Alzheimer's Disease (AD), Parkinson's Disease (PD) and Frontotemporal Lobar Degeneration (FTLD). The retromer complex, which is highly conserved across all eukaryotes, regulates the sorting of transmembrane proteins out of endosomes to the cell surface or to the trans-Golgi network. Within retromer, cargo selection and binding are performed by a trimer of the Vps26, Vps29 and Vps35 proteins, named the “Cargo-Selective Complex (CSC)”. Sorting of cargo into tubules for distribution to the trans-Golgi network or the cell surface is achieved through the dimeric sorting nexin (SNX) component of retromer and accessory proteins such as the WASH complex which mediates the formation of discrete endosomal tubules enabling the sorting of cargo into distinct pathways through production of filamentous actin patches. In the present article, we review the molecular structure and function of the retromer and summarize the evidence linking retromer dysfunction to neurodegenerative disease.
Keywords: Retromer, Wash complex, Intracellular trafficking, Alzheimer's disease, Genomics, Cell biology.
Current Genomics
Title:Retromer Dysfunction and Neurodegenerative Disease
Volume: 19 Issue: 4
Author(s): Christiane Reitz*
Affiliation:
- The Taub Institute for Research on Alzheimer's Disease and the Aging Brain, The Gertrude H. Sergievsky Center, Columbia University, New York, NY,United States
Keywords: Retromer, Wash complex, Intracellular trafficking, Alzheimer's disease, Genomics, Cell biology.
Abstract: In recent years, genomic, animal and cell biology studies have implicated deficiencies in retromer-mediated trafficking of proteins in an increasing number of neurodegenerative diseases including Alzheimer's Disease (AD), Parkinson's Disease (PD) and Frontotemporal Lobar Degeneration (FTLD). The retromer complex, which is highly conserved across all eukaryotes, regulates the sorting of transmembrane proteins out of endosomes to the cell surface or to the trans-Golgi network. Within retromer, cargo selection and binding are performed by a trimer of the Vps26, Vps29 and Vps35 proteins, named the “Cargo-Selective Complex (CSC)”. Sorting of cargo into tubules for distribution to the trans-Golgi network or the cell surface is achieved through the dimeric sorting nexin (SNX) component of retromer and accessory proteins such as the WASH complex which mediates the formation of discrete endosomal tubules enabling the sorting of cargo into distinct pathways through production of filamentous actin patches. In the present article, we review the molecular structure and function of the retromer and summarize the evidence linking retromer dysfunction to neurodegenerative disease.
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Cite this article as:
Reitz Christiane *, Retromer Dysfunction and Neurodegenerative Disease, Current Genomics 2018; 19 (4) . https://dx.doi.org/10.2174/1389202919666171024122809
DOI https://dx.doi.org/10.2174/1389202919666171024122809 |
Print ISSN 1389-2029 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5488 |
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