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[Prion encephalopathies].

C Tranchant1, G Steinmetz, J M Warter

  • 1Service de Neurologie II, Hôpitaux universitaires, Strasbourg.

Revue Francaise De Transfusion Et D'Hemobiologie : Bulletin De La Societe Nationale De Transfusion Sanguine
|December 1, 1992
PubMed
Summary

Spongiform encephalopathies, or prion diseases, affect the central nervous system in humans and animals. The exact cause is debated but may involve a modified prion protein, raising concerns about animal-to-human transmission.

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Area of Science:

  • Neuroscience
  • Pathology
  • Infectious Diseases

Context:

  • Spongiform encephalopathies, including prion diseases, present distinct clinical and histological features.
  • These diseases are characterized by central nervous system degeneration and neuronal loss.
  • Transmissibility within species and between humans and animals is a key feature.

Purpose:

  • To review the characteristics of spongiform encephalopathies.
  • To discuss the potential nature of the prion protein as the causative agent.
  • To address concerns regarding the transmissibility of animal prion diseases to humans.

Summary:

  • Spongiform encephalopathies exhibit specific neurological symptoms, spongiform changes, and neuronal loss.
  • The pathogenic agent is hypothesized to be a modified prion protein, resistant to enzymatic degradation.
  • Recent bovine spongiform encephalopathy cases highlight the risk of zoonotic transmission.

Impact:

  • Understanding prion diseases is crucial for public health and veterinary medicine.
  • Further research into prion protein structure and function is needed.
  • This knowledge informs strategies for disease prevention and control, particularly concerning food safety.

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