ArticleNeurobiology of aging2021
Dynactin 6 deficiency enhances aging-associated dystrophic neurite formation in mouse brains.
Article in Neurobiology of aging, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 8 citations in OpenAlex.
- YAP1 Upregulates Cytoskeleton Regulator ARHGEF1 and Tissue Regeneration Factor NEDD9 in a Multiplex Proteomic Study.Neurology international · 2026Article
- Tubular ER dysfunction in neurodegenerative diseases.Neurobiology of disease · 2025Review
- The landscape of non-reference SINE-VNTR-Alus in amyotrophic lateral sclerosis.Experimental biology and medicine (Maywood, N.J.) · 2025Article
- Accumulation of neutral lipids in dystrophic neurites surrounding amyloid plaques in Alzheimer's disease.Biochimica et biophysica acta. Molecular basis of disease · 2024Article
- Social defeat stress induces genome-wide 5mC and 5hmC alterations in the mouse brain.G3 (Bethesda, Md.) · 2023Article
- Deficiency of Perry syndrome-associated p150NPJ Parkinson's disease · 2023Article
- Insights Into the Role of CSF1R in the Central Nervous System and Neurological Disorders.Frontiers in aging neuroscience · 2021Review
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
Abstract
Formation of Reticulon 3 (RTN3)-immunoreactive dystrophic neurites (RIDNs) occurs early during the growth of amyloid plaques in Alzheimer's disease (AD) brains. We have shown that RIDNs in AD and aging mouse brains are composed of abnormally clustered tubular endoplasmic reticulum (ER) and degenerating mitochondria. To understand RTN3-mediated abnormal tubular ER clustering, we aimed to identify proteins that interact with RTN3 and impact accumulation of tubular ER in RIDNs. We found that the N-terminal domain of RTN3, which is unique among RTN family members, specifically interacted with dynactin 6 (DCTN6), a protein involved in dynein-mediated retrograde transport of cargo vesicles. DCTN6 protein levels decrease with aging in the hippocampal regions of WT mice. We found that DCTN6 deficiency enhanced RTN3 protein levels, high molecular weight RTN3 levels, and hippocampus-specific RIDN formation in aging brains of transgenic mice overexpressing RTN3. Our results suggest that the DCTN6-RTN3 interaction mediates tubular ER trafficking in axons, and a DCTN6 deficiency in the hippocampus impairs axonal ER trafficking, leading to abnormal ER accumulation and RIDN formation in brains of aging mice.
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Registered trials
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