伝染性スポンジ状脳症は,伝染性スポンジ状脳症である
Steven J Collins1, Victoria A Lawson, Colin L Masters
1Australian National Creutzfeldt-Jakob Disease Registry, Melbourne, Australia. stevenjc@unimelb.edu.au
Lancet (London, England)
|January 16, 2004
まとめ
トランスミッシブル・スポンジフォームム・エンセファロパシー (TSEs) またはプリオン病は,アルツハイマー病やパーキンソン病と共通の原因がありますが,タンパク質の伝染性により異なります. 感染可能性のある貯水池に対する警戒は,将来の流行を防ぐために非常に重要です.
科学分野:
- 神経科学は神経科学である.
- 病理学 パトロジー
- 感染症 感染症は感染症です.
背景:
- トランスミッシブル・スポンジフォームム・エンセファロパシー (TSE) は,プリオン病とも呼ばれる神経変性疾患です.
- 彼らはアルツハイマー病やパーキンソン病と共通の病原性メカニズムを共有しています:異常なタンパク質の機能の有毒な獲得です.
- TSEは,異常なタンパク質構造の伝染性によりユニークです.
研究 の 目的:
- TSEをノソロジカルに他の神経変性疾患と分類する.
- プリオン病の病原性メカニズムと伝染性を調査する.
- 新しい証拠に照らして,種障壁と感染制御を再評価する.
主な方法:
- 神経変性疾患のメカニズムの比較分析.
- TSEの発生に関する疫学データのレビュー (例えば,牛のスポンジ状脳症, kuru).
- 動物における慢性亜臨床感染症の証拠の評価.
主要な成果:
- TSEは鼻科学的にアルツハイマー病やパーキンソン病とグループ化されており,主に伝染性の点で異なっている.
- 異常なタンパク質構造は,TSEの伝染性の鍵である.
- 流行病は,異常なタンパク質の持続的な種内リサイクルから生じます.
- 動物における慢性亜臨床感染は,病原性を伝達し,種間のバリアに関する既存の概念に異議を唱える.
結論:
- TSEやその他の神経変性疾患は,タンパク質の誤折りやクリアランスの低下から生じる.
- プリオンタンパク質構造に固有の伝染性は,TSEを区別する.
- 持続的なタンパク質リサイクルは,大規模な疫病につながり,継続的な監視が必要になります.
- 感染性の貯蔵庫に対する継続的な警戒は,TSEの流行を防ぐために不可欠です.
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