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[Acquired Creutzfeldt-Jakob disease (CJD)--Kuru, iatrogenic CJD, variant CJD]

Nobuo Sanjo1

  • 1Department of Neurology and Neurological Science, Tokyo Medical and Dental University Graduate School of Medicine.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|August 19, 2007
PubMed

Insights

Human prion diseases are classified into sporadic, hereditary, and acquired forms. Acquired human prion diseases result from transmission via medical procedures or consumption, with variant Creutzfeldt-Jakob disease linked to bovine spongiform encephalopathy exposure.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Pathology

Context:

  • Human prion diseases encompass sporadic, hereditary, and acquired categories.
  • Acquired forms arise from human-to-human or animal-to-human transmission.
  • Transmission routes include medical devices, oral intake, and parenteral solutions.

Purpose:

  • To classify human prion diseases based on their etiology and transmission routes.
  • To differentiate clinical presentations based on infection pathways.
  • To highlight the specific characteristics of variant Creutzfeldt-Jakob disease (vCJD).

Summary:

  • Peripheral infections (oral, parenteral) typically cause cerebellar degeneration.
  • Central nervous system infections (neurosurgery, grafts) mimic sporadic Creutzfeldt-Jakob disease (CJD).
  • Variant CJD (vCJD) is linked to bovine spongiform encephalopathy (BSE) via diet, presenting initially with psychiatric symptoms followed by neurological decline.

Impact:

  • Clarifies the diverse origins and transmission mechanisms of human prion diseases.
  • Differentiates clinical syndromes associated with various prion disease forms.
  • Provides insights into the pathogenesis and clinical progression of vCJD.

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