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单词 prion
释义
pri·on (prīŏn, prē-)
n.
A protein particle that is the agent of infection in a variety of neurodegenerative diseases, including bovine spongiform encephalopathy, Creutzfeldt-Jakob disease, and scrapie. Prions are the only known infectious agents that do not contain DNA or RNA. They derive from a normal body protein that becomes irreversibly misfolded, and they proliferate in the body, possibly by acting as a template for further protein misfolding.

[Alteration of pro(teinaceous) in(fectious particle).]
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更新时间:2025/3/22 9:31:11