Biology Questions and Answers
Prion Diseases
- What is a prion?
A prion is an infectious (transmissible)
protein other proteins into a coable to replicate by py of the prion.transformin g
The mechanism of copying is not yet
understood by science.
The hypothesis come about a nervous system disease out from researchknown
as Creutzfeldt-Jacob disease,
epidemiolodisease called gically associated to a bbovine spongiform ovine
encephalitis (the mad cow disease).
Research agent that causesdiscover those diseases,ed that the infectious
suprisingly, was a protein capable of
copying itself and of being transmittedby ingestion (the reason why meat from (^)
contaminated animals cannot be
consumeheredity.d), inoculation and even
- What are the main human
diseases caused by prions?
The main ksuch type are the Creutzfeldt-Jacobnown human diseases of
disease (CJGerstmann-Sträussle-D), the kuru and theScheinken disease (^)
(GSS). The hypothesis that many other
diseasesare actually of unknown etiolo caused by self-replicatinggical agents
infectious proteins is strong.
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