ArticleScientific reports2025
TFEB overexpression alleviates autophagy-lysosomal deficits caused by progranulin insufficiency.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Chemical and Molecular Strategies in Restoring Autophagic Flux in TDP-43 Proteinopathy.Molecules (Basel, Switzerland) · 2026Review
- The Role of Crosstalk Between the Unfolded Protein Response and Autophagy in Diseases Associated with Sympathetic Nervous System Imbalance: Mechanisms and Therapeutic Perspectives.International journal of molecular sciences · 2026Review
- Molecular mechanisms of autophagy-lysosomal pathway dysfunction in neurodegenerative diseases and therapeutic strategies for lysosomal repair: a review.Frontiers in neuroscience · 2026Review
- Targeting Liquid-Liquid Phase Separation and Autophagy in Alzheimer's Disease: Insights into Molecular Mechanisms and Therapeutic Potential.Neurochemical research · 2025Review
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Authors and funding
15 authors.
Funding
Abstract
Progranulin is a pro-protein that is necessary for maintaining lysosomal function. Loss-of-function progranulin (GRN) mutations are a dominant cause of frontotemporal dementia (FTD). Brains of people with FTD due to GRN mutations accumulate lysosomal storage material and exhibit increased expression of lysosomal transcripts, which may be driven by TFEB and related transcription factors. While this may be a compensatory response to lysosomal impairment, overproduction of lysosomal proteins may also contribute to FTD pathogenesis. To investigate how TFEB may contribute to disease in people with GRN mutations, we analyzed the effects of TFEB overexpression in progranulin-insufficient cells and mice. We generated GRN knockout HEK-293 cells (GRN KO cells), which exhibited increased nuclear localization of TFEB and expression of lysosomal transcripts, but impaired autophagy. TFEB overexpression in GRN KO cells further increased lysosomal transcripts and partially normalized autophagy. We next injected an AAV vector expressing mouse Tfeb (AAV-TFEB) into the thalamus of Grn
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