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Marfurt J, Wirjanata G, Prayoga P, Chalfein F, Leonardo L, Sebayang BF, Apriyanti D, Sihombing MAEM, Trianty L, Suwanarusk R, Brockman A, Piera KA, Luo I, Rumaseb A, MacHunter B, Auburn S, Anstey NM, Kenangalem E, Noviyanti R, Russell B, Poespoprodjo JR, Price RN. Longitudinal ex vivo and molecular trends of chloroquine and piperaquine activity against Plasmodium falciparum and P. vivax before and after introduction of artemisinin-based combination therapy in Papua, Indonesia. Int J Parasitol Drugs Drug Resist 2021; 17:46-56. [PMID: 34193398 PMCID: PMC8358472 DOI: 10.1016/j.ijpddr.2021.06.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 06/09/2021] [Accepted: 06/11/2021] [Indexed: 01/13/2023]
Abstract
Drug resistant Plasmodium parasites are a major threat to malaria control and elimination. After reports of high levels of multidrug resistant P. falciparum and P. vivax in Indonesia, in 2005, the national first-line treatment policy for uncomplicated malaria was changed in March 2006, to dihydroartemisinin-piperaquine against all species. This study assessed the temporal trends in ex vivo drug susceptibility to chloroquine (CQ) and piperaquine (PIP) for both P. falciparum and P. vivax clinical isolates collected between 2004 and 2018, by using schizont maturation assays, and genotyped a subset of isolates for known and putative molecular markers of CQ and PIP resistance by using Sanger and next generation whole genome sequencing. The median CQ IC50 values varied significantly between years in both Plasmodium species, but there was no significant trend over time. In contrast, there was a significant trend for increasing PIP IC50s in both Plasmodium species from 2010 onwards. Whereas the South American CQ resistant 7G8 pfcrt SVMNT isoform has been fixed since 2005 in the study area, the pfmdr1 86Y allele frequencies decreased and became fixed at the wild-type allele in 2015. In P. vivax isolates, putative markers of CQ resistance (no pvcrt-o AAG (K10) insertion and pvmdr1 Y967F and F1076L) were fixed at the mutant alleles since 2005. None of the putative PIP resistance markers were detected in P. falciparum. The ex vivo drug susceptibility and molecular analysis of CQ and PIP efficacy for P. falciparum and P. vivax after 12 years of intense drug pressure with DHP suggests that whilst the degree of CQ resistance appears to have been sustained, there has been a slight decline in PIP susceptibility, although this does not appear to have reached clinically significant levels. The observed decreasing trend in ex vivo PIP susceptibility highlights the importance of ongoing surveillance.
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Affiliation(s)
- Jutta Marfurt
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, PO Box 41096, Casuarina, NT, 0811, Darwin, Australia.
| | - Grennady Wirjanata
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, PO Box 41096, Casuarina, NT, 0811, Darwin, Australia
| | - Pak Prayoga
- Papuan Health and Community Development Foundation (PHCDF), Jl. Caritas No. 1, 99961, Timika, Papua, Indonesia
| | - Ferryanto Chalfein
- Papuan Health and Community Development Foundation (PHCDF), Jl. Caritas No. 1, 99961, Timika, Papua, Indonesia
| | - Leo Leonardo
- Papuan Health and Community Development Foundation (PHCDF), Jl. Caritas No. 1, 99961, Timika, Papua, Indonesia
| | - Boni F Sebayang
- Eijkman Institute for Molecular Biology, Jl. Diponegoro 69, 10430, Jakarta, Indonesia
| | - Dwi Apriyanti
- Eijkman Institute for Molecular Biology, Jl. Diponegoro 69, 10430, Jakarta, Indonesia
| | - Maic A E M Sihombing
- Eijkman Institute for Molecular Biology, Jl. Diponegoro 69, 10430, Jakarta, Indonesia
| | - Leily Trianty
- Eijkman Institute for Molecular Biology, Jl. Diponegoro 69, 10430, Jakarta, Indonesia
| | - Rossarin Suwanarusk
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, PO Box 41096, Casuarina, NT, 0811, Darwin, Australia
| | - Alan Brockman
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, PO Box 41096, Casuarina, NT, 0811, Darwin, Australia
| | - Kim A Piera
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, PO Box 41096, Casuarina, NT, 0811, Darwin, Australia
| | - Irene Luo
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, PO Box 41096, Casuarina, NT, 0811, Darwin, Australia
| | - Angela Rumaseb
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, PO Box 41096, Casuarina, NT, 0811, Darwin, Australia
| | - Barbara MacHunter
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, PO Box 41096, Casuarina, NT, 0811, Darwin, Australia
| | - Sarah Auburn
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, PO Box 41096, Casuarina, NT, 0811, Darwin, Australia; Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, UK; Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Bangkok, Thailand
| | - Nicholas M Anstey
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, PO Box 41096, Casuarina, NT, 0811, Darwin, Australia
| | - Enny Kenangalem
- Papuan Health and Community Development Foundation (PHCDF), Jl. Caritas No. 1, 99961, Timika, Papua, Indonesia; District Health Authority, Timika, Papua, Indonesia
| | - Rintis Noviyanti
- Eijkman Institute for Molecular Biology, Jl. Diponegoro 69, 10430, Jakarta, Indonesia
| | - Bruce Russell
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, PO Box 41096, Casuarina, NT, 0811, Darwin, Australia
| | - Jeanne R Poespoprodjo
- Papuan Health and Community Development Foundation (PHCDF), Jl. Caritas No. 1, 99961, Timika, Papua, Indonesia; Paediatric Research Office, Faculty of Medicine, Public Health and Nursing, Gadjah Mada University, Yogyakarta, Indonesia
| | - Ric N Price
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, PO Box 41096, Casuarina, NT, 0811, Darwin, Australia; Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, UK; Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Bangkok, Thailand
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Gupta Y, Goicoechea S, Pearce CM, Mathur R, Romero JG, Kwofie SK, Weyenberg MC, Daravath B, Sharma N, Poonam, Akala HM, Kanzok SM, Durvasula R, Rathi B, Kempaiah P. The emerging paradigm of calcium homeostasis as a new therapeutic target for protozoan parasites. Med Res Rev 2021; 42:56-82. [PMID: 33851452 DOI: 10.1002/med.21804] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 10/10/2020] [Accepted: 03/31/2021] [Indexed: 12/13/2022]
Abstract
Calcium channels (CCs), a group of ubiquitously expressed membrane proteins, are involved in many pathophysiological processes of protozoan parasites. Our understanding of CCs in cell signaling, organelle function, cellular homeostasis, and cell cycle control has led to improved insights into their structure and functions. In this article, we discuss CCs characteristics of five major protozoan parasites Plasmodium, Leishmania, Toxoplasma, Trypanosoma, and Cryptosporidium. We provide a comprehensive review of current antiparasitic drugs and the potential of using CCs as new therapeutic targets. Interestingly, previous studies have demonstrated that human CC modulators can kill or sensitize parasites to antiparasitic drugs. Still, none of the parasite CCs, pumps, or transporters has been validated as drug targets. Information for this review draws from extensive data mining of genome sequences, chemical library screenings, and drug design studies. Parasitic resistance to currently approved therapeutics is a serious and emerging threat to both disease control and management efforts. In this article, we suggest that the disruption of calcium homeostasis may be an effective approach to develop new anti-parasite drug candidates and reduce parasite resistance.
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Affiliation(s)
- Yash Gupta
- Infectious Diseases, Mayo Clinic, Jacksonville, Florida, 32224, USA
| | - Steven Goicoechea
- Stritch School of Medicine, Loyola University Chicago, Chicago, Illinois, USA
| | - Catherine M Pearce
- Stritch School of Medicine, Loyola University Chicago, Chicago, Illinois, USA
| | - Raman Mathur
- Stritch School of Medicine, Loyola University Chicago, Chicago, Illinois, USA
| | - Jesus G Romero
- Stritch School of Medicine, Loyola University Chicago, Chicago, Illinois, USA
| | - Samuel K Kwofie
- Department of Biomedical Engineering, School of Engineering Sciences, College of Basic & Applied Sciences, West African Center for Cell Biology of Infectious Pathogens, Department of Biochemistry, Cell and Molecular Biology, College of Basic & Applied Sciences, University of Ghana, Accra, Ghana
| | - Matthew C Weyenberg
- Stritch School of Medicine, Loyola University Chicago, Chicago, Illinois, USA
| | - Bharathi Daravath
- Stritch School of Medicine, Loyola University Chicago, Chicago, Illinois, USA
| | - Neha Sharma
- Department of Chemistry, Hansraj College University Enclave, University of Delhi, Delhi, India
| | - Poonam
- Department of Chemistry, Miranda House University Enclave, University of Delhi, Delhi, India
| | | | - Stefan M Kanzok
- Department of Biology, Loyola University Chicago, Chicago, Illinois, USA
| | - Ravi Durvasula
- Infectious Diseases, Mayo Clinic, Jacksonville, Florida, 32224, USA
| | - Brijesh Rathi
- Department of Chemistry, Hansraj College University Enclave, University of Delhi, Delhi, India
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Ferreira MU, Nobrega de Sousa T, Rangel GW, Johansen IC, Corder RM, Ladeia-Andrade S, Gil JP. Monitoring Plasmodium vivax resistance to antimalarials: Persisting challenges and future directions. INTERNATIONAL JOURNAL FOR PARASITOLOGY-DRUGS AND DRUG RESISTANCE 2020; 15:9-24. [PMID: 33360105 PMCID: PMC7770540 DOI: 10.1016/j.ijpddr.2020.12.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/27/2020] [Accepted: 12/01/2020] [Indexed: 11/23/2022]
Abstract
Emerging antimalarial drug resistance may undermine current efforts to control and eliminate Plasmodium vivax, the most geographically widespread yet neglected human malaria parasite. Endemic countries are expected to assess regularly the therapeutic efficacy of antimalarial drugs in use in order to adjust their malaria treatment policies, but proper funding and trained human resources are often lacking to execute relatively complex and expensive clinical studies, ideally complemented by ex vivo assays of drug resistance. Here we review the challenges for assessing in vivo P. vivax responses to commonly used antimalarials, especially chloroquine and primaquine, in the presence of confounding factors such as variable drug absorption, metabolism and interaction, and the risk of new infections following successful radical cure. We introduce a simple modeling approach to quantify the relative contribution of relapses and new infections to recurring parasitemias in clinical studies of hypnozoitocides. Finally, we examine recent methodological advances that may render ex vivo assays more practical and widely used to confirm P. vivax drug resistance phenotypes in endemic settings and review current approaches to the development of robust genetic markers for monitoring chloroquine resistance in P. vivax populations. Plasmodium vivax resistance to chloroquine may undermine malaria elimination efforts. Plasmodium vivax resistance to schizontocides has been mostly monitored in therapeutic efficacy studies. In vivo studies to determine the anti-relapse efficacy of primaquine are challenging to design and execute. Ex vivo assays to determine Plasmodium vivax resistance to schizontocides remain limited to research settings. Robust molecular markers to monitor Plasmodium vivax drug resistance are currently lacking.
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Affiliation(s)
- Marcelo U Ferreira
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil; Global Health and Tropical Medicine, Institute of Hygiene and Tropical Medicine, Nova University of Lisbon, Lisbon, Portugal.
| | - Tais Nobrega de Sousa
- Molecular Biology and Malaria Immunology Research Group, René Rachou Institute, Fiocruz, Belo Horizonte, Brazil
| | - Gabriel W Rangel
- Department of Biochemistry and Molecular Biology, Pennsylvania State University, University Park, PA, USA
| | - Igor C Johansen
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Rodrigo M Corder
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Simone Ladeia-Andrade
- Laboratory of Parasitic Diseases, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Brazil
| | - José Pedro Gil
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Solna, Sweden
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Molecular detection of antimalarial drug resistance in Plasmodium vivax from returned travellers to NSW, Australia during 2008-2018. Pathogens 2020; 9:pathogens9020101. [PMID: 32033493 PMCID: PMC7168284 DOI: 10.3390/pathogens9020101] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 01/27/2020] [Accepted: 01/27/2020] [Indexed: 12/02/2022] Open
Abstract
To monitor drug resistance in Plasmodium vivax, a multidrug resistance 1 (Pvmdr1) gene and a putative transporter protein (Pvcrt-o) gene were used as molecular markers for chloroquine resistance. The biomarkers, the dihydrofolate reductase (Pvdhfr) gene and the dihydropteroate synthetase (Pvdhps) gene, were also used for the detection of resistance to sulphadoxine-pyrimethamine (SP); this drug is often accidentally used to treat P. vivax infections. Clinical blood samples (n = 120) were collected from patients who had been to one of eight malaria-endemic countries and diagnosed with P. vivax infection. The chloroquine resistance marker, the Pvmdr1 gene, showed F976:L1076 mutations and L1076 mutation. A K10 insertion in the Pvcrt-o gene was also found among the samples successfully sequenced. A combination of L/I57:R58:M61:T117 mutations in the Pvdhfr gene and G383:G553 mutations in the Pvdhps gene were also observed. Mutations found in these genes indicate that drug resistance is present in these eight countries. Whether or not countries are using chloroquine to treat P. vivax, there appears to be an increase in mutation numbers in resistance gene markers. The detected changes in mutation rates of these genes do suggest that there is still a trend towards increasing P. vivax resistance to chloroquine. The presence of the mutations associated with SP resistance indicates that P. vivax has had exposure to SP and this may be a consequence of either misdiagnosis or coinfections with P. falciparum in the past.
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Kumar A, Singh SP, Bhatt R, Singh V. Genetic profiling of the Plasmodium falciparum parasite population in uncomplicated malaria from India. Malar J 2019; 18:385. [PMID: 31791329 PMCID: PMC6889530 DOI: 10.1186/s12936-019-3022-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 11/21/2019] [Indexed: 11/13/2022] Open
Abstract
Background The genetic complexity and the existence of several polymorphisms in parasites are the major hindrances for the malaria control programmes of the country. The genetic profiling in the parasite populations in India will provide useful baseline data for future studies elucidating the parasite structure and distribution of drug resistance genotypes in different regions. Methods The blood samples of symptomatic patients were collected and analysed for drug resistance genes (Pfcrt, Pfmdr-1, dhfr, dhps and k13) and gametocyte genes (Pfs25, Pfg377); in vitro drug sensitivity assay by schizont maturation inhibition (SMI) was also performed in adapted field isolates. Results Of the 122 field isolates analysed; 65.5% showed Pfcrt K76T mutant alleles, 61.4% Pfmdr-1 N86Y mutants, 59.5% dhfr mutants, 59.8% dhps mutants was observed, but no polymorphism was seen for k13. The sequence analysis of Pfg377 gene revealed five types of populations in the field isolates. The inhibitory concentrations (IC50) for anti-malarial drugs viz chloroquine (CQ), artesunate (AS), were in the range of 10.11–113.2 nM and 2.26–4.08 nM, respectively, in the field isolates evaluate by in vitro assay. The IC50 values for CQ have shown a remarkable reduction on comparison with the previous available data, whereas a slight increase in the IC50 values for AS was observed in the study. Conclusions The increase in mutation rate in drug resistance allelic loci with inhibitory concentration of CQ and AS drugs was observed in the field isolates and high diversity in Pfg377 gametocyte gene indicate towards parasite multifactorial behaviour. The knowledge of the prevalent drug resistance genes is important for intervention measures to be successful and efforts should also be made to prevent transmission of P. falciparum.
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Affiliation(s)
- Amit Kumar
- ICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi, India
| | - Shri Pat Singh
- ICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi, India
| | - Rajendra Bhatt
- ICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi, India
| | - Vineeta Singh
- ICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi, India.
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Verzier LH, Coyle R, Singh S, Sanderson T, Rayner JC. Plasmodium knowlesi as a model system for characterising Plasmodium vivax drug resistance candidate genes. PLoS Negl Trop Dis 2019; 13:e0007470. [PMID: 31158222 PMCID: PMC6564043 DOI: 10.1371/journal.pntd.0007470] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 06/13/2019] [Accepted: 05/15/2019] [Indexed: 12/29/2022] Open
Abstract
Plasmodium vivax causes the majority of malaria outside Africa, but is poorly understood at a cellular level partly due to technical difficulties in maintaining it in in vitro culture conditions. In the past decades, drug resistant P. vivax parasites have emerged, mainly in Southeast Asia, but while some molecular markers of resistance have been identified, none have so far been confirmed experimentally, which limits interpretation of the markers, and hence our ability to monitor and control the spread of resistance. Some of these potential markers have been identified through P. vivax genome-wide population genetic analyses, which highlighted genes under recent evolutionary selection in Southeast Asia, where chloroquine resistance is most prevalent. These genes could be involved in drug resistance, but no experimental proof currently exists to support this hypothesis. In this study, we used Plasmodium knowlesi, the most closely related species to P. vivax that can be cultured in human erythrocytes, as a model system to express P. vivax genes and test for their role in drug resistance. We adopted a strategy of episomal expression, and were able to express fourteen P. vivax genes, including two allelic variants of several hypothetical resistance genes. Their expression level and localisation were assessed, confirming cellular locations conjectured from orthologous species, and suggesting locations for several previously unlocalised proteins, including an apical location for PVX_101445. These findings establish P. knowlesi as a suitable model for P. vivax protein expression. We performed chloroquine and mefloquine drug assays, finding no significant differences in drug sensitivity: these results could be due to technical issues, or could indicate that these genes are not actually involved in drug resistance, despite being under positive selection pressure in Southeast Asia. These data confirm that in vitro P. knowlesi is a useful tool for studying P. vivax biology. Its close evolutionary relationship to P. vivax, high transfection efficiency, and the availability of markers for colocalisation, all make it a powerful model system. Our study is the first of its kind using P. knowlesi to study unknown P. vivax proteins and investigate drug resistance mechanisms.
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Affiliation(s)
- Lisa H. Verzier
- Parasites and Microbes Programme, Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire, United Kingdom
| | - Rachael Coyle
- Parasites and Microbes Programme, Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire, United Kingdom
| | - Shivani Singh
- Parasites and Microbes Programme, Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire, United Kingdom
| | - Theo Sanderson
- Parasites and Microbes Programme, Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire, United Kingdom
| | - Julian C. Rayner
- Parasites and Microbes Programme, Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridgeshire, United Kingdom
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Reversal of Chloroquine Resistance of Plasmodium vivax in Aotus Monkeys. Antimicrob Agents Chemother 2018; 62:AAC.00582-18. [PMID: 29941642 DOI: 10.1128/aac.00582-18] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 06/14/2018] [Indexed: 11/20/2022] Open
Abstract
Chloroquine-resistant (CQR) vivax malaria has emerged as a threat to the malaria elimination agenda. The objective of this study was to assess if a combination of chloroquine (CQ) and prochlorperazine was able to reverse CQ resistance of the Plasmodium vivax AMRU-1 strain from Papua New Guinea in infected Aotus monkeys. For this purpose, in two independent experimental drug efficacy trials, a total of 18 Aotus monkeys infected with blood obtained from donor animals were randomly assigned to treatment and control groups and orally administered CQ at 10 mg/kg or prochlorperazine at 20 mg/kg, alone or in combination, for five consecutive days. Reversal of CQR was achieved in animals that received the drug combination, whereas neither drug alone produced cures. This same drug combination reverses CQR in P. falciparum and could be an alternative for treatment in humans with chloroquine-resistant P. vivax infections.
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