Abstract
Although artemisinin combination therapies have been deployed as a first-line treatment for uncomplicated malaria in almost all endemic countries, artemisinin-resistant parasites have emerged and have gradually spread across the Greater Mekong subregions. There is growing concern that the resistant parasites may migrate to or emerge indigenously in sub-Saharan Africa, which might provoke a global increase in malaria-associated morbidity and mortality. Therefore, development of molecular markers that enable identification of artemisinin resistance with high sensitivity is urgently required to combat this issue. In 2014, a potential artemisinin-resistance responsible gene, Plasmodium falciparum kelch13, was discovered. Here, we review the genetic features of P. falciparum kelch13 and discuss its related resistant mechanisms and potential as a molecular marker.
Keywords:
Artemisinin resistance; Plasmodium; kelch13; phosphatidylinositol 3-kinase; ubiquitin/proteasome system; unfolded protein response pathway.
Publication types
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Research Support, Non-U.S. Gov't
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Review
MeSH terms
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Africa South of the Sahara / epidemiology
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Antimalarials / pharmacology*
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Artemisinins / pharmacology*
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Asia, Southeastern / epidemiology
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Biomarkers / metabolism
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Drug Resistance / genetics
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Gene Expression Regulation
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Humans
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Intracellular Signaling Peptides and Proteins / genetics*
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Intracellular Signaling Peptides and Proteins / metabolism
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Malaria, Falciparum / drug therapy
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Malaria, Falciparum / epidemiology
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Malaria, Falciparum / parasitology
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Phosphatidylinositol 3-Kinase / genetics
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Phosphatidylinositol 3-Kinase / metabolism
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Plasmodium falciparum / drug effects*
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Plasmodium falciparum / genetics
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Plasmodium falciparum / metabolism
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Proteasome Endopeptidase Complex / metabolism
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Protozoan Proteins / genetics*
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Protozoan Proteins / metabolism
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Signal Transduction
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Ubiquitin / genetics
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Ubiquitin / metabolism
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Unfolded Protein Response / drug effects
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Unfolded Protein Response / genetics
Substances
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Antimalarials
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Artemisinins
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Biomarkers
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Intracellular Signaling Peptides and Proteins
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Protozoan Proteins
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Ubiquitin
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Phosphatidylinositol 3-Kinase
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Proteasome Endopeptidase Complex