ArticleInternational journal of molecular sciences2022
LC3/FtMt Colocalization Patterns Reveal the Progression of FtMt Accumulation in Nigral Neurons of Patients with Progressive Supranuclear Palsy.
Article in International journal of molecular sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 8 citations in OpenAlex.
- Nuclear Speckle Protein SRRM2 Co-localized with Pathological Tau (pTauS396) in Neuronal and Glial Cells in Progressive Supranuclear Palsy.Acta histochemica et cytochemica · 2026Article
- The regulation of mitochondrial ferritin on mitochondrial redox balance is essential to cell fate decision.Redox biology · 2026Review
- Ferritin in ferroptosis: Implications for neurodegenerative diseases (Review).International journal of molecular medicine · 2026Review
- Systematic proteome-wide Mendelian randomization using the human plasma proteome to identify therapeutic targets for osteomyelitis.Naunyn-Schmiedeberg's archives of pharmacology · 2026Article
- MitoQ reducing sevoflurane-induced cognitive dysfunction by modulating mitochondrial dysfunction.Metabolic brain disease · 2025Article
- Iron(ing) out parkinsonisms: The interplay of proteinopathy and ferroptosis in Parkinson's disease and tau-related parkinsonisms.Redox biology · 2025Review
- Mitochondria-Targeted Biomaterials-Regulating Macrophage Polarization Opens New Perspectives for Disease Treatment.International journal of nanomedicine · 2025Review
- Pathomechanisms of cognitive impairment in progressive supranuclear palsy.Journal of neural transmission (Vienna, Austria : 1996) · 2023Review
- Optimization of 3D Immunofluorescence Analysis and Visualization Using IMARIS and MeshLab.Cells · 2023Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mitochondrial ferritin (FtMt) is a mitochondrial iron storage protein associated with neurodegenerative diseases. In patients with progressive supranuclear palsy (PSP), FtMt was shown to accumulate in nigral neurons. Here, we investigated FtMt and LC3 in the post-mortem midbrain of PSP patients to reveal novel aspects of the pathology. Immunohistochemistry was used to assess the distribution and abnormal changes in FtMt and LC3 immunoreactivities. Colocalization analysis using double immunofluorescence was performed, and subcellular patterns were examined using 3D imaging and modeling. In the substantia nigra pars compacta (SNc), strong FtMt-IR and LC3-IR were observed in the neurons of PSP patients. In other midbrain regions, such as the superior colliculus, the FtMt-IR and LC3-IR remained unchanged. In the SNc, nigral neurons were categorized into four patterns based on subcellular LC3/FtMt immunofluorescence intensities, degree of colocalization, and subcellular overlapping. This categorization suggested that concomitant accumulation of LC3/FtMt is related to mitophagy processes. Using the LC3-IR to stage neuronal damage, we retraced LC3/FtMt patterns and revealed the progression of FtMt accumulation in nigral neurons. Informed by these findings, we proposed a hypothesis to explain the function of FtMt during PSP progression.
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