Kuru Disease

Overview

Kuru is a neurodegenerative disease caused by a prion, a misfolded protein that can replicate by inducing normal proteins to adopt the same misfolded shape.

Historical Context

  • Fore Tribe: A tribe in Papua New Guinea where kuru was first observed.
  • Cannibalistic Ritual: The tribe practiced endocannibalism, consuming the bodies of deceased relatives as part of funeral rites.
  • Disease Transmission: Kuru spread through this ritual, primarily affecting women and children who prepared the bodies.

Symptoms

  • Tremors and loss of coordination
  • Difficulty walking
  • Progressive neurological decline leading to death

Scientific Significance

  • Prion Discovery: Kuru was instrumental in the discovery of prions as infectious agents.
  • Nobel Prize: The research on prions earned Daniel Carpenter and colleagues a Nobel Prize in Physiology or Medicine.
  • Prion
  • Neurodegenerative Disease
  • Endocannibalism

Additional Notes