期刊
MALARIA JOURNAL
卷 15, 期 -, 页码 -出版社
BMC
DOI: 10.1186/s12936-016-1206-9
关键词
Malaria; Artemisinin-based combination therapy; Resistance; PfK13; Quiescence
资金
- French Agence Nationale de la Recherche [ANR-13-BSV3-0018-01]
- French Government programme Investissement d'Avenir, Laboratoire d'Excellence Integrative Biology of Emerging Infectious Diseases [ANR-10-LABX-62-IBEID]
- Agence Nationale de la Recherche (ANR) [ANR-13-BSV3-0018] Funding Source: Agence Nationale de la Recherche (ANR)
Plasmodium falciparum resistance to artemisinins, the most potent and fastest acting anti-malarials, threatens malaria elimination strategies. Artemisinin resistance is due to mutation of the PfK13 propeller domain and involves an unconventional mechanism based on a quiescence state leading to parasite recrudescence as soon as drug pressure is removed. The enhanced P. falciparum quiescence capacity of artemisinin-resistant parasites results from an increased ability to manage oxidative damage and an altered cell cycle gene regulation within a complex network involving the unfolded protein response, the PI3K/PI3P/AKT pathway, the PfPK4/eIF2a cascade and yet unidentified transcription factor(s), with minimal energetic requirements and fatty acid metabolism maintained in the mitochondrion and apicoplast. The detailed study of these mechanisms offers a way forward for identifying future intervention targets to fend off established artemisinin resistance.
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