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自然なSIV宿主: AIDSをドアで示す

Ann Chahroudi¹, Steven E Bosinger, Thomas H Vanderford

¹Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, USA.

Science (New York, N.Y.)

|March 10, 2012

まとめ

類人猿の免疫不全ウイルス (SIV) に感染したアフリカの非人間霊長類は,エイズに抵抗します. 自然なSIV宿主は,疾患の進行に対するユニークな保護機構を示し,HIV/AIDSの予防と治療の洞察を提供します.

科学分野:

免疫学免疫学とは
ウイルス学ウイルス学ウイルス学
プリマトロジーは,霊長類学です.

背景:

アフリカの多くの非人間霊長類は,エイズを発症することなく,類人猿の免疫不全ウイルス (SIV) を宿している.
HIVに感染した人間とは異なり,SIVの天然宿主は,慢性的で高ウイルス負荷の感染症にもかかわらず,健康を維持します.

研究の目的:

SIV宿主保護機構の理解における最近の進歩をレビューする.
自然のSIV宿主における保護機構と,ヒトおよび rhesus macaquesにおける病原性HIV/SIV感染を比較する.
HIV/AIDSの治療と予防のための将来の研究方向性を特定する.

主な方法:

SIVの病原性と宿主免疫に関する現在の科学文献のレビュー.
自然宿主と非自然宿主 (人間, rhesus macaques) でのSIV感染の比較分析.
重要な保護メカニズムを特定し,議論する.

主要な成果:

自然 SIV ホストは,感染後の免疫活性化の有効な解消を示しています.
制限されたSIV標的細胞トロピズムは,病気に対する耐性を高めます.
自然なSIV宿主は,母から乳児への感染に対する保護を示す.

結論:

自然なSIV宿主耐性メカニズムを理解することは,新しいHIV介入の開発に不可欠です.
将来の研究は,HIV/エイズに対する治療と予防戦略のために,これらの自然な防御を活用することに重点を置くべきです.

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