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Updated: Jan 14, 2026

Visualization of Endoplasmic Reticulum Subdomains in Cultured Cells
Published on: February 18, 2014
Tubular ER dysfunction in neurodegenerative diseases
Md Golam Sharoar1, Riqiang Yan2
1Alzheimer's disease Research Program, Corewell Health Research Institute (CHRI), Corewell Health East, 3811 W 13 Mile Road, Royal Oak, MI 48073, United States of America; Department of Internal Medicine, Oakland University William Beaumont School of Medicine (OUWB), Corewell Health East, 3811 W 13 Mile Road, Royal Oak, MI 48073, United States of America.
Endoplasmic reticulum (ER) tubule shaping proteins are crucial for neuronal health. Dysfunction in these proteins contributes to neurodegenerative diseases like Alzheimer's disease and hereditary spastic paraplegias.
Area of Science:
- Cell Biology
- Neuroscience
- Molecular Biology
Background:
- The endoplasmic reticulum (ER) is a vital organelle regulating neuronal growth, development, and maintenance.
- Alterations in the ER network's structure and function are linked to neuronal abnormalities and death.
- Morphological and functional defects in the ER's tubular domain are implicated in neurodegenerative diseases.
Purpose of the Study:
- To review the role of ER tubule shaping and networking proteins in neurodegenerative diseases.
- To highlight the involvement of these proteins in Alzheimer's disease (AD) and hereditary spastic paraplegias (HSPs).
- To emphasize the importance of an integrated tubular ER network for axonal maintenance.
Main Methods:
- Literature review focusing on endoplasmic reticulum tubule shaping proteins.
- Analysis of studies linking ER dysfunction to Alzheimer's disease and hereditary spastic paraplegias.
- Examination of molecular mechanisms underlying tubular ER abnormalities in neurodegeneration.
Main Results:
- Tubular ER dysfunction in neurodegenerative diseases involves altered expression, aggregation, or deficiency of tubule-shaping proteins.
- Specific ER tubule-shaping proteins are implicated in the pathogenesis of AD and HSPs.
- An intact tubular ER network is essential for maintaining axonal health.
Conclusions:
- ER tubule shaping proteins play a critical role in neuronal homeostasis.
- Dysfunction of these proteins is a significant factor in the development of AD and HSPs.
- Maintaining the integrity of the tubular ER network is crucial for preventing neurodegeneration and supporting axonal maintenance.
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