ArticleActa neuropathologica2024
TMEM106B amyloid filaments in the Biondi bodies of ependymal cells.
Article in Acta neuropathologica, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
3 citing papers in PubMed.
- Bridging the barrier: insights into blood biomarkers and therapeutic strategies targeting choroid plexus and BBB dysfunction in alzheimer's disease.Biomarker research · 2025Review
- The role of endolysosomal progranulin and TMEM106B in neurodegenerative diseases.Molecular neurodegeneration · 2025Review
- Cryo-EM evidence for a common factor in Alzheimer's and other neurodegenerations.bioRxiv : the preprint server for biology · 2025Article
Corrections and comments
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Authors and funding
15 authors.
Funding
Abstract
Biondi bodies are filamentous amyloid inclusions of unknown composition in ependymal cells of the choroid plexuses, ependymal cells lining cerebral ventricles and ependymal cells of the central canal of the spinal cord. Their formation is age-dependent and they are commonly associated with a variety of neurodegenerative conditions, including Alzheimer's disease and Lewy body disorders. Here, we show that Biondi bodies are strongly immunoreactive with TMEM239, an antibody specific for inclusions of transmembrane protein 106B (TMEM106B). Biondi bodies were labelled by both this antibody and the amyloid dye pFTAA. Many Biondi bodies were also labelled for TMEM106B and the lysosomal markers Hexosaminidase A and Cathepsin D. By transmission immuno-electron microscopy, Biondi bodies of choroid plexuses were decorated by TMEM239 and were associated with structures that resembled residual bodies or secondary lysosomes. By electron cryo-microscopy, TMEM106B filaments from Biondi bodies of choroid plexuses were similar (Biondi variant), but not identical, to the fold I that was previously identified in filaments from brain parenchyma.
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Registered trials
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