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SNX3 Protein — Sorting Nexin 3 in Neurodegeneration

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wiki page Created: 2026-04-02T07:19:06 By: crosslink-migration Quality: 50% ✓ SciDEX ID: wiki-proteins-snx3-protein
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SNX3 Protein — Sorting Nexin 3 in Neurodegeneration

Overview

SNX3 (Sorting Nexin 3) is a key component of the retromer complex that plays critical roles in endosomal protein trafficking, cargo sorting, and neuronal function. Originally identified as a peripheral membrane protein with a PX domain (phox homology domain), SNX3 serves as the primary cargo recognition subunit that recruits the retromer to endosomal membranes and facilitates the trafficking of proteins essential for neuronal survival. [@worby2002]

Growing evidence links SNX3 dysfunction to [Alzheimer's disease](/diseases/alzheimers-disease), [Parkinson's disease](/diseases/parkinsons-disease), and other neurodegenerative disorders through its essential role in maintaining cellular protein homeostasis. [@small2005]

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SNX3PROTEIN
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📊 Evidence Profile Foundational
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Certainty
100%
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543
Outgoing
702
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