プリオン

索引トップ用語の索引ランキングカテゴリー

出典: フリー百科事典『ウィキペディア（Wikipedia）』 (2023/01/27 07:59 UTC 版)

プリオン（英: prion^{[注釈 1]}）は、タンパク質から成る感染性因子である。一般的用法としてプリオンは理論上の感染単位を意味する。科学的表記でPrP^Cは多くの組織に認められる内因型のプリオンタンパク質（PrP）を指し、他方、PrP^SCは神経変性を惹起するアミロイド斑形成の原因となるミスフォールド型のPrPを指す。プリオン（prion）の語は、「タンパク質性の」を意味する英語のproteinaceousと「感染性の」を意味するinfectiousの頭文字に加えて、ビリオン（virion）との類似から派生して造られた合成語である^[1]。

脚注

注

^ IPA: /ˈpriː.ɒn/ 発音^{[ヘルプ/ファイル]}"Prion". Oxford English Dictionary (3rd ed.). Oxford University Press. September 2005. (要購読、またはイギリス公立図書館への会員加入。)。

出典

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