Cited by 196Prion Diseases and Protein MisfoldingAlzheimer's disease research and treatmentsAmyloidosis: Diagnosis, Treatment, Outcomes

Neuropathology of prion diseases

Budka, Herbert·2003·British Medical Bulletin

Abstract

In prion diseases, neuropathology has remained the most important tool to give a definite diagnosis, and neuropathological research has contributed significantly to our current pathogenetic understanding. Immunohistochemistry for the disease-associated prion protein (PrP(Sc)) is indispensable for the neuropathological confirmation of prion diseases. The amount and distribution of PrP(Sc) deposits do not always correlate with type and severity of local tissue damage. PrP(Sc) deposition occurs only where neuronal parenchyma is present; in scarred infarctions with prominent gliosis, PrP(Sc) does not accumulate. Early, severe and selective loss affects a subset of inhibitory GABAergic neurons both in human and experimental prion diseases. The central pathogenetic cascade includes oxidative stress to neurons and their apoptosis. New patterns of PrP(Sc) immunoreactivity include granular ganglionic and tiny adaxonal PrP(Sc) deposits in peripheral nervous tissue, and dendritic cells and macrophages in vessel walls, suggesting that mobile haematogenous cells may be involved in spread of prions.

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  • The heterogeneity of PrPSc deposition patterns is higher in human prion diseases and comprises synaptic, perivacuolar, plaque-like, kuru-plaque, florid-plaque, punctuate, perineuronal, and intraneuronal patterns, which might occur side-by-side or even overlapping in the same patient.

    “Although the deposition patterns of misfolded PrPSc are diverse in murine models of prion disease, the heterogeneity of PrPSc deposition patterns is higher in human prion diseases and comprises synaptic, perivacuolar, plaque-like, kuru-plaque, florid-plaque, punctuate, perineuronal, and intraneuronal patterns, which might occur side-by-side or even overlapping in the same patient [119,120].”

    From Loss of Homeostatic Microglia Signature in Prion Diseases (2022) · cites this paper as [119]

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Research works printed but not linked: 3

  1. Ribadeau-Dumas JL, Escourolle R. The Creutzfeldt-Jakob syndrome: a neuropathological and electron microscopic study. In: Subirana A, Espalader JM. (eds) Neurology. Amsterdam: Elsevier, 1974; 316-29
  2. Hainfellner JA, Budka H. Immunomorphology of human prion diseases. In: Court L, Dodet B. (eds) Transmissible Spongiform Encephalopathies: Prion Diseases. Paris: Elsevier, 1996; 75-80
  3. Caughey B, Lansbury Jr PT. Protofibrils, pores, fibrils, and neurodegeneration: separating the responsible protein aggregates from the innocent bystanders. Annu Rev Neurosci 2003; In press

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Authors
Budka, H.
Affiliations
University of Vienna (AT)
Corresponding author
Budka, Herbert
Venue
British Medical Bulletin
Published
2003-06-01
Volume
66
Issue
1
Pages
121-130
ISSN
  • 0007-1420 (ISSN-L)
  • 1471-8391
OpenAlex
W2150554290
Cited by
196
References
56
Citations by year
2026: 3 · 2025: 9 · 2024: 1 · 2023: 5 · 2022: 9 · 2021: 4 · 2020: 9 · 2019: 7 · 2018: 4 · 2017: 8 · 2016: 10 · 2015: 10 · 2014: 9 · 2013: 9 · 2012: 10
FWCI
0.98
Type
journal article
Language
en
Open access
closed
Locations
  • British Medical Bulletin (publishedVersion)
  • PubMed (publishedVersion)
Funders
Bundesministerium für Gesundheit und Frauen
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Prion Diseases and Protein Misfolding
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Amyloidosis: Diagnosis, Treatment, Outcomes
Keywords
prion disease, neuropathology, oxidative stress, neuronal apoptosis, dendritic cells, macrophages, pathogenesis
MeSH terms
Animals, Brain, Humans, Immunohistochemistry, Neurons, Prions, Species Specificity, Prion Diseases, Peripheral Nervous System

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