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Infectivity and toxicity are distinct
PrPC PrPtoxic PrPSc
Synaptic
dysfunction
Infectivity
PrPC
PrPSc
PrPtoxic
Synaptic
dysfunction
Infectivity
Aβoligomer
Aβmonomer
Aβfibril
Synaptic
dysfunction
Infectivity
• Selective targeting/uptake
(receptors)
• Selective propagation
(chaperones)
• Selective toxicity
(downstream pathways)
CNS
inoculation
Familial prion diseases
Strain A Strain B
Mutant A Mutant B
Peripheral
inoculation
Patterns of selective neuropathology in prion diseases
Y
• Neuroanatomical spread
(trans-synaptic)

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David Harris -

  • 1. Infectivity and toxicity are distinct PrPC PrPtoxic PrPSc Synaptic dysfunction Infectivity PrPC PrPSc PrPtoxic Synaptic dysfunction Infectivity Aβoligomer Aβmonomer Aβfibril Synaptic dysfunction Infectivity
  • 2. • Selective targeting/uptake (receptors) • Selective propagation (chaperones) • Selective toxicity (downstream pathways) CNS inoculation Familial prion diseases Strain A Strain B Mutant A Mutant B Peripheral inoculation Patterns of selective neuropathology in prion diseases Y • Neuroanatomical spread (trans-synaptic)