1
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Wang Y, Tian J, Chen J, Ni S, Yao Y, Wang L, Wu X, Song R, Chen J. Nontargeted metabolomics integrated with 1 H NMR and LC-Q-TOF-MS/MS methods to depict a more comprehensive metabolic profile in response to chrysosplenetin and artemisinin co-treatment against artemisinin-sensitive and -resistant Plasmodium berghei K173. Biomed Chromatogr 2023; 37:e5561. [PMID: 36471489 DOI: 10.1002/bmc.5561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 11/24/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022]
Abstract
Our previous work revealed mutual and specific metabolites/pathways in artemisinin-sensitive and -resistant Plasmodium berghei K173-infected mice. In this study, we further investigated whether chrysosplenetin, a candidate chemical to prevent artemisinin resistance, can regulate these metabolites/pathways by integrating nontargeted metabolomics with 1 H NMR and LC-Q-TOF-MS/MS spectrum. The nuclear magnetic resonance method generated specifically altered metabolites in response to co-treatment with chrysosplenetin, including: the products of glycolysis such as glucose, pyruvate, lactate and alanine; taurine, closely associated with liver injury; arginine and proline as essential amino acids for parasites; TMAO, a biomarker for dysbacteriosis and renal function; and tyrosine, which is used to generate levodopa and dopamine and may improve the torpor state of mice. Importantly, we noticed that chrysosplenetin might depress the activated glycolysis induced by sensitive parasites, but oppositely promoted the inhibited glycolysis to generate more lactate, which suppresses the proliferation of resistant parasites. Moreover, chrysosplentin possibly disturbs the heme biosynthetic pathway in mitochondria. The MS method yielded changed coenzyme A, phosphatidylcholine and ceramides, closely related to mitochondria β-oxidation, cell proliferation, differentiation and apoptosis. These two means shared no overlapped metabolites and formed a more broader metabolic map to study the potential mechanisms of chrysosplenetin as a promising artemisinin resistance inhibitor.
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Affiliation(s)
- Yisen Wang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
| | - Jingxuan Tian
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
| | - Jie Chen
- School of Pharmacy, Ningxia Medical University, Yinchuan, China
| | - Shanhong Ni
- Department of Public Health and Preventive Medicine, Kangda College of Nanjing Medical University, Lianyungang, China
| | - Ying Yao
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
| | - Lirong Wang
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China
| | - Xiuli Wu
- School of Pharmacy, Ningxia Medical University, Yinchuan, China
| | - Ruilong Song
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Jing Chen
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, China.,School of Pharmacy, Ningxia Medical University, Yinchuan, China
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Siddiqui G, Giannangelo C, De Paoli A, Schuh AK, Heimsch KC, Anderson D, Brown TG, MacRaild CA, Wu J, Wang X, Dong Y, Vennerstrom JL, Becker K, Creek DJ. Peroxide Antimalarial Drugs Target Redox Homeostasis in Plasmodium falciparum Infected Red Blood Cells. ACS Infect Dis 2022; 8:210-226. [PMID: 34985858 PMCID: PMC8762662 DOI: 10.1021/acsinfecdis.1c00550] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
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Plasmodium
falciparum causes the
most lethal form of malaria. Peroxide antimalarials based on artemisinin
underpin the frontline treatments for malaria, but artemisinin resistance
is rapidly spreading. Synthetic peroxide antimalarials, known as ozonides,
are in clinical development and offer a potential alternative. Here,
we used chemoproteomics to investigate the protein alkylation targets
of artemisinin and ozonide probes, including an analogue of the ozonide
clinical candidate, artefenomel. We greatly expanded the list of proteins
alkylated by peroxide antimalarials and identified significant enrichment
of redox-related proteins for both artemisinins and ozonides. Disrupted
redox homeostasis was confirmed by dynamic live imaging of the glutathione
redox potential using a genetically encoded redox-sensitive fluorescence-based
biosensor. Targeted liquid chromatography-mass spectrometry (LC-MS)-based
thiol metabolomics also confirmed changes in cellular thiol levels.
This work shows that peroxide antimalarials disproportionately alkylate
proteins involved in redox homeostasis and that disrupted redox processes
are involved in the mechanism of action of these important antimalarials.
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Affiliation(s)
- Ghizal Siddiqui
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Carlo Giannangelo
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Amanda De Paoli
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Anna Katharina Schuh
- Biochemistry and Molecular Biology, Interdisciplinary Research Center, Justus Liebig University Giessen, 35392 Giessen, Germany
| | - Kim C. Heimsch
- Biochemistry and Molecular Biology, Interdisciplinary Research Center, Justus Liebig University Giessen, 35392 Giessen, Germany
| | - Dovile Anderson
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Timothy G. Brown
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Christopher A. MacRaild
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
| | - Jianbo Wu
- College of Pharmacy, University of Nebraska Medical Center, 986125 Nebraska Medical Center, Omaha, Nebraska 68198-6125, United States
| | - Xiaofang Wang
- College of Pharmacy, University of Nebraska Medical Center, 986125 Nebraska Medical Center, Omaha, Nebraska 68198-6125, United States
| | - Yuxiang Dong
- College of Pharmacy, University of Nebraska Medical Center, 986125 Nebraska Medical Center, Omaha, Nebraska 68198-6125, United States
| | - Jonathan L. Vennerstrom
- College of Pharmacy, University of Nebraska Medical Center, 986125 Nebraska Medical Center, Omaha, Nebraska 68198-6125, United States
| | - Katja Becker
- Biochemistry and Molecular Biology, Interdisciplinary Research Center, Justus Liebig University Giessen, 35392 Giessen, Germany
| | - Darren J. Creek
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC 3052, Australia
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Egwu CO, Obasi NA, Aloke C, Nwafor J, Tsamesidis I, Chukwu J, Elom S. Impact of Drug Pressure versus Limited Access to Drug in Malaria Control: The Dilemma. MEDICINES (BASEL, SWITZERLAND) 2022; 9:medicines9010002. [PMID: 35049935 PMCID: PMC8779401 DOI: 10.3390/medicines9010002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 12/24/2021] [Accepted: 12/27/2021] [Indexed: 11/16/2022]
Abstract
Malaria burden has severe impact on the world. Several arsenals, including the use of antimalarials, are in place to curb the malaria burden. However, the application of these antimalarials has two extremes, limited access to drug and drug pressure, which may have similar impact on malaria control, leading to treatment failure through divergent mechanisms. Limited access to drugs ensures that patients do not get the right doses of the antimalarials in order to have an effective plasma concentration to kill the malaria parasites, which leads to treatment failure and overall reduction in malaria control via increased transmission rate. On the other hand, drug pressure can lead to the selection of drug resistance phenotypes in a subpopulation of the malaria parasites as they mutate in order to adapt. This also leads to a reduction in malaria control. Addressing these extremes in antimalarial application can be essential in maintaining the relevance of the conventional antimalarials in winning the war against malaria.
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Affiliation(s)
- Chinedu Ogbonnia Egwu
- PharmaDev, UMR 152, Université de Toulouse, IRD, UPS, 31400 Toulouse, France
- Medical Biochemistry, College of Medicine, Alex-Ekwueme Federal University, Ndufu-Alike Ikwo, P.M.B. 1010, Abakaliki 482131, Nigeria; (N.A.O.); (C.A.); (S.E.)
- Correspondence:
| | - Nwogo Ajuka Obasi
- Medical Biochemistry, College of Medicine, Alex-Ekwueme Federal University, Ndufu-Alike Ikwo, P.M.B. 1010, Abakaliki 482131, Nigeria; (N.A.O.); (C.A.); (S.E.)
| | - Chinyere Aloke
- Medical Biochemistry, College of Medicine, Alex-Ekwueme Federal University, Ndufu-Alike Ikwo, P.M.B. 1010, Abakaliki 482131, Nigeria; (N.A.O.); (C.A.); (S.E.)
- Protein Structure-Function and Research Unit, School of Molecular and Cell Biology, Faculty of Science, University of the Witwatersrand, Braamfontein, Johannesburg 2050, South Africa
| | - Joseph Nwafor
- Anatomy, College of Medicine, Alex-Ekwueme Federal University, Ndufu-Alike Ikwo, P.M.B. 1010, Abakaliki 482131, Nigeria;
| | - Ioannis Tsamesidis
- Department of Prosthodontics, School of Dentistry, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Jennifer Chukwu
- John Hopkins Program on International Education in Gynaecology and Obstetrics, Abuja 900281, Nigeria;
| | - Sunday Elom
- Medical Biochemistry, College of Medicine, Alex-Ekwueme Federal University, Ndufu-Alike Ikwo, P.M.B. 1010, Abakaliki 482131, Nigeria; (N.A.O.); (C.A.); (S.E.)
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4
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Sharaf OF, Ahmed AA, Ibrahim AF, Shariq A, Alkhamiss AS, Alghsham R, Althwab SA, Alghaniam SA, Alhumaydhi FA, Alghamdi R, Alshomar A, Alabdullatif T, Alkhulayfi A, Alghunaim AA, Abdulmonem WA. Modulation of mice immune responses against Schistosoma mansoni infection with anti-schistosomiasis drugs: Role of interleukin-4 and interferon-gamma. Int J Health Sci (Qassim) 2022; 16:3-11. [PMID: 35300269 PMCID: PMC8905037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
OBJECTIVE Schistosoma mansoni (S. mansoni) is endemic in Africa, the Middle East, South America, and the Caribbean. This study investigated the modulation of immune response against S. mansoni through estimation of interleukin-4 (IL-4) (Th2 cytokine) and interferon-gamma (INF-γ) (Th1 cytokine) under the effect of anti-schistosomal drugs. METHODS Laboratory bred female albino mice (n = 120) were divided into the following groups: untreated mice, S. mansoni infected mice, S. mansoni infected mice treated with artemisinin (ART), arachidonic acid (ARA), nifedipine or praziquantel (PZQ). Levels of IL-4 and INF-γ cytokines in the serum samples of treated and untreated mice were determined by enzyme-linked immunosorbent assay and the results were further validated by measuring the mRNA levels IL-4 and INF-γ using quantitative real-time polymerase chain reaction. RESULTS Anti-schistosomiasis drugs ART and ARA increased the levels of Th2 cytokine IL-4 (P < 0.05), whereas PZQ drug decreased the response of IL-4 (P < 0.05). However, nifedipine was found to be ineffective in modulating the response of IL-4 (P > 0.05). As far as Th-1 cytokine IFN γ was concerned, only PZQ increased its levels (P < 0.05), whereas other tested anti-schistosomiasis drugs; ART, ARA, and nifedipine were found to be infective (P > 0.05). CONCLUSIONS These findings indicated that anti-schistosomiasis drugs ART, ARA, and PZQ play a role in the modulation of expression of Th2 cytokines. Whereas, only PZQ may play a role in the modulation of Th1 cytokines. These findings provide a scope for the formulation of novel anti-schistosomal drugs as well as in the therapeutic management of patients infected with S. mansoni.
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Affiliation(s)
- Osama F. Sharaf
- Department of Clinical and Molecular Parasitology, National Liver Institute, Menoufia University, Shibin Al kom, Al Menoufia, Egypt
| | - Ahmed A. Ahmed
- Research Center, College of Medicine, Qassim University, Buraidah, Saudi Arabia
| | - Asmaa F. Ibrahim
- Department of Clinical and Molecular Parasitology, National Liver Institute, Menoufia University, Shibin Al kom, Al Menoufia, Egypt
| | - Ali Shariq
- Department of Microbiology, College of Medicine, Qassim University, Buraidah, Saudi Arabia
| | - Abdullah S. Alkhamiss
- Department of Pathology, College of Medicine, Qassim University, Buraidah, Saudi Arabia
| | - Ruqaih Alghsham
- Department of Pathology, College of Medicine, Qassim University, Buraidah, Saudi Arabia
| | - Sami A. Althwab
- Department of Clinical Nutrition, Qassim Health Affairs, Ministry of Health, Buraidah, Saudi Arabia
| | - Sultan A. Alghaniam
- Department of Food Science and Human Nutrition, College of Agriculture and Veterinary Medicine, Qassim University, Buraidah, Saudi Arabia
| | - Fahad A. Alhumaydhi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraidah, Saudi Arabia
| | - Rana Alghamdi
- Department of Chemistry, Science and Arts College, Rabigh Campus, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ahmad Alshomar
- Department of Medicine, College of Medicine, Qassim University, Buraidah, Saudi Arabia
| | - Tasleem Alabdullatif
- Department of Pathology, Faculty of Medicine, Northern Border University, Arar, Saudi Arabia
| | | | | | - Waleed Al Abdulmonem
- Department of Pathology, College of Medicine, Qassim University, Buraidah, Saudi Arabia,Address for correspondence: Dr. Waleed Al Abdulmonem, Department of Pathology, College of Medicine, Qassim University, Qassim, Saudi Arabia. E-mail:
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5
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Ibraheem Z, Basir R, Majid R, Alapid A, Sedik H, Sabariah MN, Faruq M, Chin V. In vitro antiplasmodium and chloroquine resistance reversal effects of mangostin. Pharmacogn Mag 2020. [DOI: 10.4103/pm.pm_510_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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6
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Cellular mechanisms of action and resistance of Plasmodium falciparum to artemisinin. Parasitol Res 2017; 116:3331-3339. [DOI: 10.1007/s00436-017-5647-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 10/09/2017] [Indexed: 12/11/2022]
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7
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Songsungthong W, Kulawonganunchai S, Wilantho A, Tongsima S, Koonyosying P, Uthaipibull C, Kamchonwongpaisan S, Shaw PJ. The Plasmodium berghei RC strain is highly diverged and harbors putatively novel drug resistance variants. PeerJ 2017; 5:e3766. [PMID: 29018598 PMCID: PMC5632537 DOI: 10.7717/peerj.3766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 08/15/2017] [Indexed: 11/20/2022] Open
Abstract
Background The current first line drugs for treating uncomplicated malaria are artemisinin (ART) combination therapies. However, Plasmodium falciparum parasites resistant to ART and partner drugs are spreading, which threatens malaria control efforts. Rodent malaria species are useful models for understanding antimalarial resistance, in particular genetic variants responsible for cross resistance to different compounds. Methods The Plasmodium berghei RC strain (PbRC) is described as resistant to different antimalarials, including chloroquine (CQ) and ART. In an attempt to identify the genetic basis for the antimalarial resistance trait in PbRC, its genome was sequenced and compared with five other previously sequenced P. berghei strains. Results We found that PbRC is eight-fold less sensitive to the ART derivative artesunate than the reference strain PbANKA. The genome of PbRC is markedly different from other strains, and 6,974 single nucleotide variants private to PbRC were identified. Among these PbRC private variants, non-synonymous changes were identified in genes known to modulate antimalarial sensitivity in rodent malaria species, including notably the ubiquitin carboxyl-terminal hydrolase 1 gene. However, no variants were found in some genes with strong evidence of association with ART resistance in P. falciparum such as K13 propeller protein. Discussion The variants identified in PbRC provide insight into P. berghei genome diversity and genetic factors that could modulate CQ and ART resistance in Plasmodium spp.
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Affiliation(s)
- Warangkhana Songsungthong
- Protein-Ligand Engineering and Molecular Biology Laboratory, Medical Molecular Biology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand.,Biomolecular Analysis and Application Laboratory, Biosensing Technology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand
| | - Supasak Kulawonganunchai
- Biostatistics and Bioinformatics Laboratory, Genome Technology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand
| | - Alisa Wilantho
- Biostatistics and Bioinformatics Laboratory, Genome Technology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand
| | - Sissades Tongsima
- Biostatistics and Bioinformatics Laboratory, Genome Technology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand
| | - Pongpisid Koonyosying
- Protein-Ligand Engineering and Molecular Biology Laboratory, Medical Molecular Biology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand
| | - Chairat Uthaipibull
- Protein-Ligand Engineering and Molecular Biology Laboratory, Medical Molecular Biology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand
| | - Sumalee Kamchonwongpaisan
- Protein-Ligand Engineering and Molecular Biology Laboratory, Medical Molecular Biology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand
| | - Philip J Shaw
- Protein-Ligand Engineering and Molecular Biology Laboratory, Medical Molecular Biology Research Unit, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand
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8
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Siddiqui G, Srivastava A, Russell AS, Creek DJ. Multi-omics Based Identification of Specific Biochemical Changes Associated With PfKelch13-Mutant Artemisinin-Resistant Plasmodium falciparum. J Infect Dis 2017; 215:1435-1444. [PMID: 28368494 DOI: 10.1093/infdis/jix156] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 03/25/2017] [Indexed: 01/10/2023] Open
Abstract
Background The emergence of artemisinin resistance in the malaria parasite Plasmodium falciparum poses a major threat to the control and elimination of malaria. Certain point mutations in the propeller domain of PfKelch13 are associated with resistance, but PfKelch13 mutations do not always result in clinical resistance. The underlying mechanisms associated with artemisinin resistance are poorly understood, and the impact of PfKelch13 mutations on cellular biochemistry is not defined. Methods This study aimed to identify global biochemical differences between PfKelch13-mutant artemisinin-resistant and -sensitive strains of P. falciparum by combining liquid chromatography-mass spectrometry (LC-MS)-based proteomics, peptidomics, and metabolomics. Results Proteomics analysis found both PfKelch13 mutations examined to be specifically associated with decreased abundance of PfKelch13 protein. Metabolomics analysis demonstrated accumulation of glutathione and its precursor, gamma-glutamylcysteine, and significant depletion of 1 other putative metabolite in resistant strains. Peptidomics analysis revealed lower abundance of several endogenous peptides derived from hemoglobin (HBα and HBβ) in the artemisinin-resistant strains. Conclusion PfKelch13 mutations associated with artemisinin resistance lead to decreased abundance of PfKelch13 protein, decreased hemoglobin digestion, and enhanced glutathione production.
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Affiliation(s)
- Ghizal Siddiqui
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University,Parkville, Victoria, Australia
| | - Anubhav Srivastava
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University,Parkville, Victoria, Australia
| | - Adrian S Russell
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University,Parkville, Victoria, Australia
| | - Darren J Creek
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University,Parkville, Victoria, Australia
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9
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Jamjoom GA. Evidence for a role of hemozoin in metabolism and gametocytogenesis. MALARIAWORLD JOURNAL 2017; 8:10. [PMID: 34532233 PMCID: PMC8415077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Hemozoin is generally considered a waste deposit that is formed for the sole purpose of detoxification of free heme that results from the digestion of hemoglobin by Plasmodium parasites. However, several observations of parasite multiplication, both in vertebrate and invertebrate hosts are suggestive of a wider, but overlooked, metabolic role for this product. The presence of clinical peripheral blood samples of P. falciparum with high parasitemia containing only hemozoin-deficient (non-pigmented) asexual forms has been repeatedly confirmed. Such samples stand in contrast with other samples that contain mostly pigmented circulating trophozoites and gametocytes, indicating that pigment accumulation is a prominent feature of gametocytogenesis. The restricted size, i.e. below detection by light microscopy, of hemozoin in asexual merozoites and ringforms of P. falciparum implies its continuous turnover, supporting a role in metabolism. The prominent interaction of hemozoin with several antimalarial drugs, the involvement of proteins in hemozoin formation, and the finding of plasmodial genes coding for a heme-oxygenase-like protein argue for a wider and more active role for hemozoin in the parasite's metabolism. The observed association of hemozoin with crystalloids during ookinete development is consistent with a useful function to it during parasite multiplication in the invertebrate host. Finally, alternative mechanisms, other than hemozoin formation, provide substitute or additional routes for heme detoxification.
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Affiliation(s)
- Ghazi A. Jamjoom
- College of Applied Medical Sciences, and King Fahd Medical Research Center, King Abdulaziz University, Jeddah, P.O. Box 415 Jeddah 21411, Saudi Arabia,*
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10
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Ménard S, Ben Haddou T, Ramadani AP, Ariey F, Iriart X, Beghain J, Bouchier C, Witkowski B, Berry A, Mercereau-Puijalon O, Benoit-Vical F. Induction of Multidrug Tolerance in Plasmodium falciparum by Extended Artemisinin Pressure. Emerg Infect Dis 2016; 21:1733-41. [PMID: 26401601 PMCID: PMC4593447 DOI: 10.3201/eid2110.150682] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Tolerance is not detected by current assays and represents a major threat to antimalarial drug policy. Plasmodium falciparum resistance to artemisinin derivatives in Southeast Asia threatens global malaria control strategies. Whether delayed parasite clearance, which exposes larger parasite numbers to artemisinins for longer times, selects higher-grade resistance remains unexplored. We investigated whether long-lasting artemisinin pressure selects a novel multidrug-tolerance profile. Although 50% inhibitory concentrations for 10 antimalarial drugs tested were unchanged, drug-tolerant parasites showed higher recrudescence rates for endoperoxides, quinolones, and an antifolate, including partner drugs of recommended combination therapies, but remained susceptible to atovaquone. Moreover, the age range of intraerythrocytic stages able to resist artemisinin was extended to older ring forms and trophozoites. Multidrug tolerance results from drug-induced quiescence, which enables parasites to survive exposure to unrelated antimalarial drugs that inhibit a variety of metabolic pathways. This novel resistance pattern should be urgently monitored in the field because this pattern is not detected by current assays and represents a major threat to antimalarial drug policy.
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11
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Inhibition of Glutathione Biosynthesis Sensitizes Plasmodium berghei to Antifolates. Antimicrob Agents Chemother 2016; 60:3057-64. [PMID: 26953195 DOI: 10.1128/aac.01836-15] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 03/03/2016] [Indexed: 01/13/2023] Open
Abstract
Glutathione plays a central role in maintaining cellular redox homeostasis, and modulations to this status may affect malaria parasite sensitivity to certain types of antimalarials. In this study, we demonstrate that inhibition of glutathione biosynthesis in the Plasmodium berghei ANKA strain through disruption of the γ-glutamylcysteine synthetase (γ-GCS) gene, which encodes the first and rate-limiting enzyme in the glutathione biosynthetic pathway, significantly sensitizes parasites in vivo to pyrimethamine and sulfadoxine, but not to chloroquine, artesunate, or primaquine, compared with control parasites containing the same pyrimethamine-resistant marker cassette. Treatment of mice infected with an antifolate-resistant P. berghei control line with a γ-GCS inhibitor, buthionine sulfoximine, could partially abrogate pyrimethamine and sulfadoxine resistance. The role of glutathione in modulating the malaria parasite's response to antifolates suggests that development of specific inhibitors against Plasmodium γ-GCS may offer a new approach to counter Plasmodium antifolate resistance.
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12
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Lisewski AM, Quiros JP, Ng CL, Adikesavan AK, Miura K, Putluri N, Eastman RT, Scanfeld D, Regenbogen SJ, Altenhofen L, Llinás M, Sreekumar A, Long C, Fidock DA, Lichtarge O. Supergenomic network compression and the discovery of EXP1 as a glutathione transferase inhibited by artesunate. Cell 2014; 158:916-928. [PMID: 25126794 DOI: 10.1016/j.cell.2014.07.011] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Revised: 01/02/2014] [Accepted: 07/07/2014] [Indexed: 01/01/2023]
Abstract
A central problem in biology is to identify gene function. One approach is to infer function in large supergenomic networks of interactions and ancestral relationships among genes; however, their analysis can be computationally prohibitive. We show here that these biological networks are compressible. They can be shrunk dramatically by eliminating redundant evolutionary relationships, and this process is efficient because in these networks the number of compressible elements rises linearly rather than exponentially as in other complex networks. Compression enables global network analysis to computationally harness hundreds of interconnected genomes and to produce functional predictions. As a demonstration, we show that the essential, but functionally uncharacterized Plasmodium falciparum antigen EXP1 is a membrane glutathione S-transferase. EXP1 efficiently degrades cytotoxic hematin, is potently inhibited by artesunate, and is associated with artesunate metabolism and susceptibility in drug-pressured malaria parasites. These data implicate EXP1 in the mode of action of a frontline antimalarial drug.
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Affiliation(s)
- Andreas Martin Lisewski
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Computational and Integrative Biomedical Research Center, Baylor College of Medicine, Houston, TX 77030, USA.
| | - Joel P Quiros
- Integrative Molecular and Biomedical Sciences Graduate Program, Baylor College of Medicine, Houston, TX 77030, USA
| | - Caroline L Ng
- Department of Microbiology and Immunology, Columbia University Medical Center, New York, NY 10032, USA
| | - Anbu Karani Adikesavan
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Department of Molecular and Cell Biology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Kazutoyo Miura
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852, USA
| | - Nagireddy Putluri
- Department of Molecular and Cell Biology, Baylor College of Medicine, Houston, TX 77030, USA; Verna and Marrs McLean Department of Biochemistry and Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX 77030, USA
| | - Richard T Eastman
- Department of Microbiology and Immunology, Columbia University Medical Center, New York, NY 10032, USA; Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852, USA
| | - Daniel Scanfeld
- Department of Microbiology and Immunology, Columbia University Medical Center, New York, NY 10032, USA
| | - Sam J Regenbogen
- Department of Pharmacology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Lindsey Altenhofen
- Department of Molecular Biology and Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, USA; Department of Biochemistry and Molecular Biology and Center for Infectious Disease Dynamics, The Pennsylvania State University, State College, PA 16802, USA
| | - Manuel Llinás
- Department of Molecular Biology and Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, USA; Department of Biochemistry and Molecular Biology and Center for Infectious Disease Dynamics, The Pennsylvania State University, State College, PA 16802, USA
| | - Arun Sreekumar
- Department of Molecular and Cell Biology, Baylor College of Medicine, Houston, TX 77030, USA; Verna and Marrs McLean Department of Biochemistry and Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX 77030, USA; Department of Biochemistry and Molecular Biology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Carole Long
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD 20852, USA
| | - David A Fidock
- Department of Microbiology and Immunology, Columbia University Medical Center, New York, NY 10032, USA; Division of Infectious Diseases, Department of Medicine, Columbia University Medical Center, New York, NY 10032, USA
| | - Olivier Lichtarge
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Computational and Integrative Biomedical Research Center, Baylor College of Medicine, Houston, TX 77030, USA; Verna and Marrs McLean Department of Biochemistry and Alkek Center for Molecular Discovery, Baylor College of Medicine, Houston, TX 77030, USA; Department of Pharmacology, Baylor College of Medicine, Houston, TX 77030, USA.
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13
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Pollitt LC, Huijben S, Sim DG, Salathé RM, Jones MJ, Read AF. Rapid response to selection, competitive release and increased transmission potential of artesunate-selected Plasmodium chabaudi malaria parasites. PLoS Pathog 2014; 10:e1004019. [PMID: 24763470 PMCID: PMC3999151 DOI: 10.1371/journal.ppat.1004019] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Accepted: 02/06/2014] [Indexed: 11/19/2022] Open
Abstract
The evolution of drug resistance, a key challenge for our ability to treat and control infections, depends on two processes: de-novo resistance mutations, and the selection for and spread of resistant mutants within a population. Understanding the factors influencing the rates of these two processes is essential for maximizing the useful lifespan of drugs and, therefore, effective disease control. For malaria parasites, artemisinin-based drugs are the frontline weapons in the fight against disease, but reports from the field of slower parasite clearance rates during drug treatment are generating concern that the useful lifespan of these drugs may be limited. Whether slower clearance rates represent true resistance, and how this provides a selective advantage for parasites is uncertain. Here, we show that Plasmodium chabaudi malaria parasites selected for resistance to artesunate (an artemisinin derivative) through a step-wise increase in drug dose evolved slower clearance rates extremely rapidly. In single infections, these slower clearance rates, similar to those seen in the field, provided fitness advantages to the parasite through increased overall density, recrudescence after treatment and increased transmission potential. In mixed infections, removal of susceptible parasites by drug treatment led to substantial increases in the densities and transmission potential of resistant parasites (competitive release). Our results demonstrate the double-edged sword for resistance management: in our initial selection experiments, no parasites survived aggressive chemotherapy, but after selection, the fitness advantage for resistant parasites was greatest at high drug doses. Aggressive treatment of mixed infections resulted in resistant parasites dominating the pool of gametocytes, without providing additional health benefits to hosts. Slower clearance rates can evolve rapidly and can provide a strong fitness advantage during drug treatment in both single and mixed strain infections.
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Affiliation(s)
- Laura C. Pollitt
- Center for Infectious Disease Dynamics, Department of Biology, Pennsylvania State University, University Park, Pennsylvania, United States of America
- Centre for Immunology, Infection and Evolution, The University of Edinburgh, Edinburgh, United Kingdom
- * E-mail:
| | - Silvie Huijben
- Center for Infectious Disease Dynamics, Department of Biology, Pennsylvania State University, University Park, Pennsylvania, United States of America
| | - Derek G. Sim
- Center for Infectious Disease Dynamics, Department of Biology, Pennsylvania State University, University Park, Pennsylvania, United States of America
| | - Rahel M. Salathé
- Center for Infectious Disease Dynamics, Department of Biology, Pennsylvania State University, University Park, Pennsylvania, United States of America
| | - Matthew J. Jones
- Center for Infectious Disease Dynamics, Department of Biology, Pennsylvania State University, University Park, Pennsylvania, United States of America
| | - Andrew F. Read
- Center for Infectious Disease Dynamics, Department of Biology, Pennsylvania State University, University Park, Pennsylvania, United States of America
- Department of Entomology, The Pennsylvania State University, University Park, Pennsylvania, United States of America
- Fogarty International Center, National Institutes of Health, Bethesda, Maryland, United States of America
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14
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Heme-binding properties of heme detoxification protein from Plasmodium falciparum. Biochem Biophys Res Commun 2013; 439:477-80. [PMID: 24025682 DOI: 10.1016/j.bbrc.2013.08.100] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Accepted: 08/30/2013] [Indexed: 12/15/2022]
Abstract
The heme detoxification protein of the malaria parasite Plasmodium falciparum is involved in the formation of hemozoin, an insoluble crystalline form of heme. Although the disruption of hemozoin formation is the most widely used strategy for controlling the malaria parasite, the heme-binding properties of heme detoxification protein are poorly characterized. In this study, we established a method for the expression and purification of the non-tagged protein and characterized heme-binding properties. The spectroscopic features of non-tagged protein differ from those of the His-tagged protein, suggesting that the artificial tag interferes with the properties of the recombinant protein. The purified recombinant non-tagged heme detoxification protein had two heme-binding sites and exhibited a spectrum typical of heme proteins. A mechanism for hemozoin formation is proposed.
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15
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Correlation between Plasmodium yoelii nigeriensis susceptibility to artemisinin and alkylation of heme by the drug. Antimicrob Agents Chemother 2013; 57:3998-4000. [PMID: 23752508 DOI: 10.1128/aac.01064-13] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Evidence of artemisinin (ART) resistance in all of the Greater Mekong Region is currently of major concern. Understanding of the mechanisms of resistance developed by Plasmodium against artemisinin and its derivatives is urgently needed. We here demonstrated that ART was able to alkylate heme in mice infected by the ART-susceptible strain of Plasmodium yoelii nigeriensis, Y-control. After long-term drug pressure, the parasite strain (Y-ART3) was 5-fold less susceptible to ART than Y-control. In the blood of mice infected by Y-ART3, no heme-artemisinin adducts could be detected. After release of ART drug pressure, the parasite strain obtained (Y-REL) regained both drug susceptibility to ART and increased ability to produce covalent heme-artemisinin adducts. The correlation between parasite ART susceptibility and alkylation of heme by the drug confirms that heme or hemozoin metabolism is a key target for efficacy of ART as an antimalarial.
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16
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Njomnang Soh P, Witkowski B, Gales A, Huyghe E, Berry A, Pipy B, Benoit-Vical F. Implication of glutathione in the in vitro antiplasmodial mechanism of action of ellagic acid. PLoS One 2012; 7:e45906. [PMID: 23029306 PMCID: PMC3461036 DOI: 10.1371/journal.pone.0045906] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2012] [Accepted: 08/23/2012] [Indexed: 12/05/2022] Open
Abstract
The search for new antimalarial chemotherapy has become increasingly urgent due to parasite resistance to current drugs. Ellagic acid (EA) is a polyphenol, recently found in various plant products, that has effective antimalarial activity in vitro and in vivo without toxicity. To further understand the antimalarial mechanism of action of EA in vitro, we evaluated the effects of EA, ascorbic acid and N-acetyl-L-cysteine (NAC), alone and/or in combination on the production of reactive oxygen species (ROS) during the trophozoite and schizonte stages of the erythrocytic cycle of P. falciparum. The parasitized erythrocytes were pre-labelled with DCFDA (dichlorofluorescein diacetate). We showed that NAC had no effect on ROS production, contrary to ascorbic acid and EA, which considerably reduced ROS production. Surprisingly, EA reduced the production of the ROS with concentrations (6.6×10−9 − 6.6×10−6 M) ten-fold lower than ascorbic acid (113×10−6 M). Additionally, the in vitro drug sensitivity of EA with antioxidants showed that antiplasmodial activity is independent of the ROS production inside parasites, which was confirmed by the additive activity of EA and desferrioxamine. Finally, EA could act by reducing the glutathione content inside the Plasmodium parasite. This was consolidated by the decrease in the antiplasmodial efficacy of EA in the murine model Plasmodium yoelii- high GSH strain, known for its high glutathione content. Given its low toxicity and now known mechanism of action, EA appears as a promising antiplasmodial compound.
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