タンパク質合成を阻害する多段階抗マラリア剤の新型

Beatriz Baragaña¹, Irene Hallyburton¹, Marcus C S Lee²

¹Drug Discovery Unit, Division of Biological Chemistry and Drug Discovery, College of Life Sciences, University of Dundee, Dundee DD1 5EH, UK.

|June 19, 2015

まとめ

新しい抗マラリア化合物であるDDD107498は,プラズモディウム寄生虫に対する強力な活性を示しています. トランスレーション延長因子2 (eEF2) をターゲットにすることで,薬剤耐性と闘い,マラリアを治療するための新しいアプローチを提供します.

科学分野:

薬剤の発見と開発について
寄生虫学とは,寄生虫学である.
分子生物学は分子生物学である.

背景:

新型抗マラリア薬の緊急需要は,新興する耐性菌によるものです.
既存の治療法には,スペクトルと有効性の限界があります.
マラリアは,依然として世界的な健康上の大きな課題です.

研究の目的:

新しい抗マラリア化合物を発見し,特徴づけること.
新しい化合物の分子標的を特定するために.
プラズモジアの寄生虫に対する化合物の治療的可能性を評価する.

主な方法:

血液段階のマラリア寄生虫に対する化合物の高通量スクリーニング.
DDD107498のインビトロおよびインビボ試験は,寄生虫の生命周期の複数の段階に対して行われます.
バイオケミカルアッセイによる分子標的の特定.

主要な成果:

強力な抗マラリア剤であるDDD107498の発見.
DDD107498は,プラズモジアの生命周期の複数の段階に対して活性を示しています.
DDD107498の分子標的は,翻訳延長因子2 (eEF2) として特定されました.
この化合物は,良好な薬理動力学的性質と,許容可能な安全性プロファイルを示した.

結論:

DDD107498は,新しい作用機構を持つ有望な抗マラリア薬候補である.
eEF2をターゲットにすることは,新しい抗マラリア療法を開発するための実行可能な戦略です.
DDD107498は,単一投与による治療,伝播阻害,および化学保護の可能性がある.

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