1
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Anstey NM, Tham WH, Shanks GD, Poespoprodjo JR, Russell BM, Kho S. The biology and pathogenesis of vivax malaria. Trends Parasitol 2024; 40:573-590. [PMID: 38749866 DOI: 10.1016/j.pt.2024.04.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 04/19/2024] [Accepted: 04/19/2024] [Indexed: 07/06/2024]
Abstract
Plasmodium vivax contributes significantly to global malaria morbidity. Key advances include the discovery of pathways facilitating invasion by P. vivax merozoites of nascent reticulocytes, crucial for vaccine development. Humanized mouse models and hepatocyte culture systems have enhanced understanding of hypnozoite biology. The spleen has emerged as a major reservoir for asexual vivax parasites, replicating in an endosplenic life cycle, and contributing to recurrent and chronic infections, systemic inflammation, and anemia. Splenic accumulation of uninfected red cells is the predominant cause of anemia. Recurring and chronic infections cause progressive anemia, malnutrition, and death in young children in high-transmission regions. Endothelial activation likely contributes to vivax-associated organ dysfunction. The many recent advances in vivax pathobiology should help guide new approaches to prevention and management.
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Affiliation(s)
- Nicholas M Anstey
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia.
| | - Wai-Hong Tham
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia; Department of Medical Biology, University of Melbourne, Melbourne, Victoria, Australia; Research School of Biology, Australian National University, Canberra, ACT, Australia
| | - G Dennis Shanks
- School of Public Health, University of Queensland, Brisbane, Queensland, Australia
| | - Jeanne R Poespoprodjo
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia; Centre for Child Health and Department of Child Health, Faculty of Medicine, Public Health and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia; Timika Malaria Research Facility, Papuan Health and Community Development Foundation, Timika, Central Papua, Indonesia; Mimika District Hospital and District Health Authority, Timika, Central Papua, Indonesia
| | - Bruce M Russell
- Department of Microbiology and Immunology, University of Otago, Dunedin, New Zealand
| | - Steven Kho
- Global and Tropical Health Division, Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia; Timika Malaria Research Facility, Papuan Health and Community Development Foundation, Timika, Central Papua, Indonesia
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2
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da Silva CV, Velikkakam T, de Oliveira ECM, Silveira ACA, de Lima Júnior JP, Uombe NPI, da Silva PHR, Borges BC. Cellular dormancy: A widespread phenomenon that perpetuates infectious diseases. J Basic Microbiol 2024; 64:e2300389. [PMID: 38064123 DOI: 10.1002/jobm.202300389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 11/05/2023] [Accepted: 11/21/2023] [Indexed: 05/03/2024]
Abstract
Under adverse environmental conditions, microorganisms are able to enter a state of cellular dormancy which consists of cell cycle arrest and interruption of multiplication. This process ensures their perpetuation in the infected host organism and enables the spread of disease. Throughout biological evolution, dormancy allowed microorganisms to persist in a harsh niche until favorable conditions for their reactivation were re-established. Here, we propose to discuss the dormancy of bacteria and protozoa pathogens focusing on the potential mechanisms and components associated with dormancy.
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Affiliation(s)
- Claudio V da Silva
- Instituto de Ciências Biomédicas, Universidade Federal de Uberlândia, Uberlândia, Brazil
| | - Teresiama Velikkakam
- Instituto de Ciências Biomédicas, Universidade Federal de Uberlândia, Uberlândia, Brazil
| | - Elida C M de Oliveira
- Instituto de Ciências Biomédicas, Universidade Federal de Uberlândia, Uberlândia, Brazil
| | - Anna C A Silveira
- Instituto de Ciências Biomédicas, Universidade Federal de Uberlândia, Uberlândia, Brazil
| | - Joed P de Lima Júnior
- Instituto de Ciências Biomédicas, Universidade Federal de Uberlândia, Uberlândia, Brazil
| | - Nelsa P I Uombe
- Instituto de Ciências Biomédicas, Universidade Federal de Uberlândia, Uberlândia, Brazil
| | - Paulo H R da Silva
- Instituto de Ciências Biomédicas, Universidade Federal de Uberlândia, Uberlândia, Brazil
| | - Bruna C Borges
- Instituto de Ciências Biomédicas, Universidade Federal de Uberlândia, Uberlândia, Brazil
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3
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Maher SP, Bakowski MA, Vantaux A, Flannery EL, Andolina C, Gupta M, Antonova-Koch Y, Argomaniz M, Cabrera-Mora M, Campo B, Chao AT, Chatterjee AK, Cheng WT, Chuenchob E, Cooper CA, Cottier K, Galinski MR, Harupa-Chung A, Ji H, Joseph SB, Lenz T, Lonardi S, Matheson J, Mikolajczak SA, Moeller T, Orban A, Padín-Irizarry V, Pan K, Péneau J, Prudhomme J, Roesch C, Ruberto AA, Sabnis SS, Saney CL, Sattabongkot J, Sereshki S, Suriyakan S, Ubalee R, Wang Y, Wasisakun P, Yin J, Popovici J, McNamara CW, Joyner CJ, Nosten F, Witkowski B, Le Roch KG, Kyle DE. A Drug Repurposing Approach Reveals Targetable Epigenetic Pathways in Plasmodium vivax Hypnozoites. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.01.31.526483. [PMID: 36778461 PMCID: PMC9915689 DOI: 10.1101/2023.01.31.526483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Radical cure of Plasmodium vivax malaria must include elimination of quiescent 'hypnozoite' forms in the liver; however, the only FDA-approved treatments are contraindicated in many vulnerable populations. To identify new drugs and drug targets for hypnozoites, we screened the Repurposing, Focused Rescue, and Accelerated Medchem (ReFRAME) library and a collection of epigenetic inhibitors against P. vivax liver stages. From both libraries, we identified inhibitors targeting epigenetics pathways as selectively active against P. vivax and P. cynomolgi hypnozoites. These include DNA methyltransferase (DNMT) inhibitors as well as several inhibitors targeting histone post-translational modifications. Immunofluorescence staining of Plasmodium liver forms showed strong nuclear 5-methylcystosine signal, indicating liver stage parasite DNA is methylated. Using bisulfite sequencing, we mapped genomic DNA methylation in sporozoites, revealing DNA methylation signals in most coding genes. We also demonstrated that methylation level in proximal promoter regions as well as in the first exon of the genes may affect, at least partially, gene expression in P. vivax. The importance of selective inhibitors targeting epigenetic features on hypnozoites was validated using MMV019721, an acetyl-CoA synthetase inhibitor that affects histone acetylation and was previously reported as active against P. falciparum blood stages. In summary, our data indicate that several epigenetic mechanisms are likely modulating hypnozoite formation or persistence and provide an avenue for the discovery and development of improved radical cure antimalarials.
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Affiliation(s)
- S. P. Maher
- Center for Tropical & Emerging Global Disease, University of Georgia; Athens, GA, 30602, USA
| | - M. A. Bakowski
- Calibr, a division of The Scripps Research Institute; La Jolla, CA, 92037, USA
| | - A. Vantaux
- Malaria Molecular Epidemiology Unit, Institute Pasteur of Cambodia; Phnom Penh, 120 210, Cambodia
| | - E. L. Flannery
- Novartis Institute for Tropical Diseases, Novartis Institutes for Biomedical Research; Emeryville, CA, 94608, USA
| | - C. Andolina
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit; Mae Sot, Tak, 63110, Thailand
| | - M. Gupta
- Department of Molecular, Cell, and Systems Biology, University of California; Riverside, CA, 92521, USA
| | - Y. Antonova-Koch
- Calibr, a division of The Scripps Research Institute; La Jolla, CA, 92037, USA
| | - M. Argomaniz
- Center for Vaccines and Immunology, College of Veterinary Medicine, University of Georgia; Athens, GA, 30602, USA
| | - M. Cabrera-Mora
- International Center for Malaria Research, Education and Development, Emory Vaccine Center, Emory National Primate Research Center, Emory University; Atlanta, GA, 30329, USA
| | - B. Campo
- Medicines for Malaria Venture (MMV); Geneva, 1215, Switzerland
| | - A. T. Chao
- Novartis Institute for Tropical Diseases, Novartis Institutes for Biomedical Research; Emeryville, CA, 94608, USA
| | - A. K. Chatterjee
- Calibr, a division of The Scripps Research Institute; La Jolla, CA, 92037, USA
| | - W. T. Cheng
- Center for Vaccines and Immunology, College of Veterinary Medicine, University of Georgia; Athens, GA, 30602, USA
| | - E. Chuenchob
- Novartis Institute for Tropical Diseases, Novartis Institutes for Biomedical Research; Emeryville, CA, 94608, USA
| | - C. A. Cooper
- Center for Tropical & Emerging Global Disease, University of Georgia; Athens, GA, 30602, USA
| | | | - M. R. Galinski
- International Center for Malaria Research, Education and Development, Emory Vaccine Center, Emory National Primate Research Center, Emory University; Atlanta, GA, 30329, USA
- Division of Infectious Diseases, Department of Medicine, Emory University; Atlanta, GA, 30329, USA
| | - A. Harupa-Chung
- Novartis Institute for Tropical Diseases, Novartis Institutes for Biomedical Research; Emeryville, CA, 94608, USA
| | - H. Ji
- Center for Vaccines and Immunology, College of Veterinary Medicine, University of Georgia; Athens, GA, 30602, USA
| | - S. B. Joseph
- Calibr, a division of The Scripps Research Institute; La Jolla, CA, 92037, USA
| | - T. Lenz
- Department of Molecular, Cell, and Systems Biology, University of California; Riverside, CA, 92521, USA
| | - S. Lonardi
- Department of Computer Science and Engineering, University of California; Riverside, CA, 92521, USA
| | - J. Matheson
- Department of Microbiology and Immunology, University of Otago; Dunedin, 9016, New Zealand
| | - S. A. Mikolajczak
- Novartis Institute for Tropical Diseases, Novartis Institutes for Biomedical Research; Emeryville, CA, 94608, USA
| | | | - A. Orban
- Malaria Molecular Epidemiology Unit, Institute Pasteur of Cambodia; Phnom Penh, 120 210, Cambodia
| | - V. Padín-Irizarry
- Center for Tropical & Emerging Global Disease, University of Georgia; Athens, GA, 30602, USA
- School of Sciences, Clayton State University; Morrow, GA, 30260, USA
| | - K. Pan
- Calibr, a division of The Scripps Research Institute; La Jolla, CA, 92037, USA
| | - J. Péneau
- Malaria Molecular Epidemiology Unit, Institute Pasteur of Cambodia; Phnom Penh, 120 210, Cambodia
| | - J. Prudhomme
- Department of Molecular, Cell, and Systems Biology, University of California; Riverside, CA, 92521, USA
| | - C. Roesch
- Malaria Molecular Epidemiology Unit, Institute Pasteur of Cambodia; Phnom Penh, 120 210, Cambodia
| | - A. A. Ruberto
- Center for Tropical & Emerging Global Disease, University of Georgia; Athens, GA, 30602, USA
| | - S. S. Sabnis
- Center for Vaccines and Immunology, College of Veterinary Medicine, University of Georgia; Athens, GA, 30602, USA
| | - C. L. Saney
- Center for Vaccines and Immunology, College of Veterinary Medicine, University of Georgia; Athens, GA, 30602, USA
| | - J. Sattabongkot
- Mahidol Vivax Research Unit, Mahidol University; Bangkok, 10400, Thailand
| | - S. Sereshki
- Department of Computer Science and Engineering, University of California; Riverside, CA, 92521, USA
| | - S. Suriyakan
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit; Mae Sot, Tak, 63110, Thailand
| | - R. Ubalee
- Department of Entomology, Armed Forces Research Institute of Medical Sciences (AFRIMS); Bangkok, 10400, Thailand
| | - Y. Wang
- Department of Chemistry, University of California; Riverside, CA, 92521
- Environmental Toxicology Graduate Program, University of California; Riverside, CA, 92521, USA
| | - P. Wasisakun
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit; Mae Sot, Tak, 63110, Thailand
| | - J. Yin
- Environmental Toxicology Graduate Program, University of California; Riverside, CA, 92521, USA
| | - J. Popovici
- Malaria Molecular Epidemiology Unit, Institute Pasteur of Cambodia; Phnom Penh, 120 210, Cambodia
| | - C. W. McNamara
- Calibr, a division of The Scripps Research Institute; La Jolla, CA, 92037, USA
| | - C. J. Joyner
- Center for Vaccines and Immunology, College of Veterinary Medicine, University of Georgia; Athens, GA, 30602, USA
- International Center for Malaria Research, Education and Development, Emory Vaccine Center, Emory National Primate Research Center, Emory University; Atlanta, GA, 30329, USA
| | - F. Nosten
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit; Mae Sot, Tak, 63110, Thailand
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford; Oxford, OX3 7LG, UK
| | - B. Witkowski
- Malaria Molecular Epidemiology Unit, Institute Pasteur of Cambodia; Phnom Penh, 120 210, Cambodia
| | - K. G. Le Roch
- Department of Molecular, Cell, and Systems Biology, University of California; Riverside, CA, 92521, USA
| | - D. E. Kyle
- Center for Tropical & Emerging Global Disease, University of Georgia; Athens, GA, 30602, USA
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4
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Parvatkar P, Maher SP, Zhao Y, Cooper CA, de Castro ST, Péneau J, Vantaux A, Witkowski B, Kyle DE, Manetsch R. In Vitro Antimalarial Activity of Trichothecenes against Liver and Blood Stages of Plasmodium Species. JOURNAL OF NATURAL PRODUCTS 2024; 87:315-321. [PMID: 38262446 PMCID: PMC10897926 DOI: 10.1021/acs.jnatprod.3c01019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/19/2023] [Accepted: 12/19/2023] [Indexed: 01/25/2024]
Abstract
Trichothecenes (TCNs) are a large group of tricyclic sesquiterpenoid mycotoxins that have intriguing structural features and remarkable biological activities. Herein, we focused on three TCNs (anguidine, verrucarin A, and verrucarol) and their ability to target both the blood and liver stages of Plasmodium species, the parasite responsible for malaria. Anguidine and verrucarin A were found to be highly effective against the blood and liver stages of malaria, while verrucarol had no effect at the highest concentration tested. However, these compounds were also found to be cytotoxic and, thus, not selective, making them unsuitable for drug development. Nonetheless, they could be useful as chemical probes for protein synthesis inhibitors due to their direct impact on parasite synthesis processes.
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Affiliation(s)
- Prakash
T. Parvatkar
- Department
of Chemistry and Chemical Biology, Northeastern
University, Boston, Massachusetts 02115, United States
| | - Steven P. Maher
- Center
for Tropical and Emerging Global Diseases, University of Georgia, Athens, Georgia 30602, United States
| | - Yingzhao Zhao
- Department
of Chemistry and Chemical Biology, Northeastern
University, Boston, Massachusetts 02115, United States
| | - Caitlin A. Cooper
- Center
for Tropical and Emerging Global Diseases, University of Georgia, Athens, Georgia 30602, United States
| | - Sagan T. de Castro
- Center
for Tropical and Emerging Global Diseases, University of Georgia, Athens, Georgia 30602, United States
| | - Julie Péneau
- Malaria
Molecular Epidemiology Unit, Institut Pasteur
du Cambodge, 5 Boulevard Monivong, PO Box 983, Phnom Penh, 120 210, Cambodia
| | - Amélie Vantaux
- Malaria
Molecular Epidemiology Unit, Institut Pasteur
du Cambodge, 5 Boulevard Monivong, PO Box 983, Phnom Penh, 120 210, Cambodia
| | - Benoît Witkowski
- Malaria
Molecular Epidemiology Unit, Institut Pasteur
du Cambodge, 5 Boulevard Monivong, PO Box 983, Phnom Penh, 120 210, Cambodia
| | - Dennis E. Kyle
- Center
for Tropical and Emerging Global Diseases, University of Georgia, Athens, Georgia 30602, United States
| | - Roman Manetsch
- Department
of Chemistry and Chemical Biology, Northeastern
University, Boston, Massachusetts 02115, United States
- Department
of Pharmaceutical Sciences, Northeastern
University, Boston, Massachusetts 02115, United States
- Center
for Drug Discovery, Northeastern University, Boston, Massachusetts 02115, United States
- Barnett
Institute
of Chemical and Biological Analysis, Northeastern
University, Boston, Massachusetts 02115, United States
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5
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Gioacchino E, Vandelannoote K, Ruberto AA, Popovici J, Cantaert T. Unraveling the intricacies of host-pathogen interaction through single-cell genomics. Microbes Infect 2024:105313. [PMID: 38369008 DOI: 10.1016/j.micinf.2024.105313] [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: 05/31/2023] [Revised: 11/23/2023] [Accepted: 02/13/2024] [Indexed: 02/20/2024]
Abstract
Single-cell genomics provide researchers with tools to assess host-pathogen interactions at a resolution previously inaccessible. Transcriptome analysis, epigenome analysis, and immune profiling techniques allow for a better comprehension of the heterogeneity underlying both the host response and infectious agents. Here, we highlight technological advancements and data analysis workflows that increase our understanding of host-pathogen interactions at the single-cell level. We review various studies that have used these tools to better understand host-pathogen dynamics in a variety of infectious disease contexts, including viral, bacterial, and parasitic diseases. We conclude by discussing how single-cell genomics can advance our understanding of host-pathogen interactions.
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Affiliation(s)
- Emanuele Gioacchino
- Immunology Unit, Institut Pasteur du Cambodge, The Pasteur Network, Phnom Penh, Cambodia
| | - Koen Vandelannoote
- Bacterial Phylogenomics Group, Institut Pasteur du Cambodge, The Pasteur Network, Phnom Penh, Cambodia
| | - Anthony A Ruberto
- Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA, USA; Institute of Bioinformatics, University of Georgia, Athens, GA, USA
| | - Jean Popovici
- Malaria Research Unit, Institut Pasteur du Cambodge, The Pasteur Network, Phnom Penh, Cambodia; Infectious Disease Epidemiology and Analytics, Institut Pasteur, Paris, France
| | - Tineke Cantaert
- Immunology Unit, Institut Pasteur du Cambodge, The Pasteur Network, Phnom Penh, Cambodia.
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Glennon EK, Wei L, Roobsoong W, Primavera VI, Tongogara T, Yee CB, Sattabongkot J, Kaushansky A. Host kinase regulation of Plasmodium vivax dormant and replicating liver stages. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.13.566868. [PMID: 38014051 PMCID: PMC10680662 DOI: 10.1101/2023.11.13.566868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Upon transmission to the liver, Plasmodium vivax parasites form replicating schizonts, which continue to initiate blood-stage infection, or dormant hypnozoites that reactivate weeks to months after initial infection. P. vivax phenotypes in the field vary significantly, including the ratio of schizonts to hypnozoites formed and the frequency and timing of relapse. Evidence suggests that both parasite genetics and environmental factors underly this heterogeneity. We previously demonstrated that data on the effect of a panel of kinase inhibitors with overlapping targets on Plasmodium liver stage infection, in combination with a computational approach called kinase regression (KiR), can be used to uncover novel host regulators of infection. Here, we applied KiR to evaluate the extent to which P. vivax liver-stage parasites are susceptible to changes in host kinase activity. We identified a role for a subset of host kinases in regulating schizont and hypnozoite infection and schizont size and characterized overlap as well as variability in host phosphosignaling dependencies between parasite forms and across multiple patient isolates. Striking, our data point to variability in host dependencies across P. vivax isolates, suggesting one possible origin of the heterogeneity observed across P. vivax in the field.
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7
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Andrade AO, Santos NAC, Bastos AS, Pontual JDC, Araújo CS, Lima AS, Martinez LN, Ferreira AS, Aguiar ACC, Teles CBG, Guido RVC, Santana RA, Lopes SCP, Medeiros JF, Rizopoulos Z, Vinetz JM, Campo B, Lacerda MVG, Araújo MS. Optimization of Plasmodium vivax infection of colonized Amazonian Anopheles darlingi. Sci Rep 2023; 13:18207. [PMID: 37875508 PMCID: PMC10598059 DOI: 10.1038/s41598-023-44556-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 10/10/2023] [Indexed: 10/26/2023] Open
Abstract
Obtaining Plasmodium vivax sporozoites is essential for in vitro culture of liver stage parasites, not only to understand fundamental aspects of parasite biology, but also for drug and vaccine development. A major impediment to establish high-throughput in vitro P. vivax liver stage assays for drug development is obtaining sufficient numbers of sporozoites. To do so, female anopheline mosquitoes have to be fed on blood from P. vivax-infected patients through an artificial membrane-feeding system, which in turns requires a well-established Anopheles colony. In this study we established conditions to provide a robust supply of P. vivax sporozoites. Adding a combination of serum replacement and antibiotics to the membrane-feeding protocol was found to best improve sporozoite production. A simple centrifugation method appears to be a possible tool for rapidly obtaining purified sporozoites with a minimal loss of yield. However, this method needs to be better defined since sporozoite viability and hepatocyte infection were not evaluated.
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Affiliation(s)
- Alice O Andrade
- Plataforma de Produção e Infecção de Vetores da Malária (PIVEM)/Laboratório de Entomologia, Fiocruz Rondônia, Porto Velho, Rondônia, Brazil
- Programa de Pós-Graduação em Saúde Publica, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, Brazil
| | - Najara Akira C Santos
- Plataforma de Produção e Infecção de Vetores da Malária (PIVEM)/Laboratório de Entomologia, Fiocruz Rondônia, Porto Velho, Rondônia, Brazil
- Programa de Pós-Graduação em Biologia Experimental, Fundação Universidade Federal de Rondônia, Porto Velho, Rondônia, Brazil
| | - Alessandra S Bastos
- Plataforma de Produção e Infecção de Vetores da Malária (PIVEM)/Laboratório de Entomologia, Fiocruz Rondônia, Porto Velho, Rondônia, Brazil
- Programa de Pós-Graduação em Biologia Experimental, Fundação Universidade Federal de Rondônia, Porto Velho, Rondônia, Brazil
| | - José Daniel C Pontual
- Plataforma de Produção e Infecção de Vetores da Malária (PIVEM)/Laboratório de Entomologia, Fiocruz Rondônia, Porto Velho, Rondônia, Brazil
| | - Cristiane S Araújo
- Plataforma de Produção e Infecção de Vetores da Malária (PIVEM)/Laboratório de Entomologia, Fiocruz Rondônia, Porto Velho, Rondônia, Brazil
- Programa de Pós-Graduação em Conservação e uso de Recursos Naturais - PPGReN, Fundação Universidade Federal de Rondônia, Porto Velho, Rondônia, Brazil
| | - Analice S Lima
- Plataforma de Produção e Infecção de Vetores da Malária (PIVEM)/Laboratório de Entomologia, Fiocruz Rondônia, Porto Velho, Rondônia, Brazil
- Faculdades Integradas Aparício Carvalho (FIMCA), Porto Velho, Rondônia, Brazil
| | - Leandro N Martinez
- Programa de Pós-Graduação em Saúde Publica, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, Brazil
- Plataforma de Bioensaios de Malária e Leishmaniose da Fiocruz (PBML), Fiocruz Rondônia, Porto Velho, Rondônia, Brazil
| | - Amália S Ferreira
- Plataforma de Bioensaios de Malária e Leishmaniose da Fiocruz (PBML), Fiocruz Rondônia, Porto Velho, Rondônia, Brazil
| | - Anna Caroline C Aguiar
- Departamento de Biociência, Universidade Federal de São Paulo, Santos, São Paulo, Brazil
| | - Carolina B G Teles
- Programa de Pós-Graduação em Biologia Experimental, Fundação Universidade Federal de Rondônia, Porto Velho, Rondônia, Brazil
- Plataforma de Bioensaios de Malária e Leishmaniose da Fiocruz (PBML), Fiocruz Rondônia, Porto Velho, Rondônia, Brazil
- Rede de Biodiversidade e Biotecnologia da Amazônia Legal - BIONORTE, Porto Velho, Rondônia, Brazil
| | - Rafael V C Guido
- São Carlos Institute of Physics, University of Sao Paulo, São Carlos, São Paulo, Brazil
| | - Rosa A Santana
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Brazil
| | - Stefanie C P Lopes
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Brazil
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Brazil
- Instituto Leônidas & Maria Deane, FIOCRUZ, Manaus, Brazil
| | - Jansen F Medeiros
- Plataforma de Produção e Infecção de Vetores da Malária (PIVEM)/Laboratório de Entomologia, Fiocruz Rondônia, Porto Velho, Rondônia, Brazil
- Programa de Pós-Graduação em Biologia Experimental, Fundação Universidade Federal de Rondônia, Porto Velho, Rondônia, Brazil
| | | | - Joseph M Vinetz
- Section of Infectious Diseases, Department of Internal Medicine, Yale School of Medicine, New Haven, CT, USA
- Alexander von Humboldt Institute of Tropical Medicine and Faculty of Sciences, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Brice Campo
- Medicines for Malaria Venture, Geneva, Switzerland
| | - Marcus Vinicius G Lacerda
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Brazil
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Brazil
- Instituto Leônidas & Maria Deane, FIOCRUZ, Manaus, Brazil
| | - Maisa S Araújo
- Plataforma de Produção e Infecção de Vetores da Malária (PIVEM)/Laboratório de Entomologia, Fiocruz Rondônia, Porto Velho, Rondônia, Brazil.
- Programa de Pós-Graduação em Conservação e uso de Recursos Naturais - PPGReN, Fundação Universidade Federal de Rondônia, Porto Velho, Rondônia, Brazil.
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8
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Ferraboli JW, Soares da Veiga GT, Albrecht L. Plasmodium vivax transcriptomics: What is new? Exp Biol Med (Maywood) 2023; 248:1645-1656. [PMID: 37786955 PMCID: PMC10723030 DOI: 10.1177/15353702231198070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023] Open
Abstract
Malaria is the leading human parasitosis and is transmitted through the bite of anopheline mosquitoes infected with parasites of the genus Plasmodium spp. Among the seven species that cause malaria in humans, Plasmodium vivax is the most prevalent species in Latin America. In recent years, there have been an increasing number of reports of clinical complications caused by P. vivax infections, which were previously neglected and underestimated. P. vivax biology remains with large gaps. The emergence of next-generation sequencing technology has ensured a breakthrough in species knowledge. Coupled with this, the deposition of the P. vivax Sal-1 reference genome allowed an increase in transcriptomics projects by accessing messenger RNA. Thus, the regulation of differential gene expression according to the parasite life stage was verified, and several expressed genes were linked to different biological functions. Today, with the progress associated with RNA sequencing technologies, it is possible to detect nuances and obtain robust results. Discoveries provided by transcriptomic studies allow us to understand topics such as RNA expression and regulation and proteins and metabolic pathways involved during different stages of the parasite life cycle. The information obtained enables a better comprehension of immune system evasion mechanisms; invasion and adhesion strategies used by the parasite; as well as new vaccine targets, potential molecular markers, and others therapeutic targets. In this review, we provide new insights into P. vivax biology by summarizing recent findings in transcriptomic studies.
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Affiliation(s)
- Julia Weber Ferraboli
- Laboratory of Apicomplexan Parasites Research, Carlos Chagas Institute, Oswaldo Cruz Foundation (FIOCRUZ), Curitiba 81310-020, Brazil
| | - Gisele Tatiane Soares da Veiga
- Laboratory of Apicomplexan Parasites Research, Carlos Chagas Institute, Oswaldo Cruz Foundation (FIOCRUZ), Curitiba 81310-020, Brazil
| | - Letusa Albrecht
- Laboratory of Apicomplexan Parasites Research, Carlos Chagas Institute, Oswaldo Cruz Foundation (FIOCRUZ), Curitiba 81310-020, Brazil
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9
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Tarannum A, Rodríguez-Almonacid CC, Salazar-Bravo J, Karamysheva ZN. Molecular Mechanisms of Persistence in Protozoan Parasites. Microorganisms 2023; 11:2248. [PMID: 37764092 PMCID: PMC10534552 DOI: 10.3390/microorganisms11092248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/31/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Protozoan parasites are known for their remarkable capacity to persist within the bodies of vertebrate hosts, which frequently results in prolonged infections and the recurrence of diseases. Understanding the molecular mechanisms that underlie the event of persistence is of paramount significance to develop innovative therapeutic approaches, given that these pathways still need to be thoroughly elucidated. The present article provides a comprehensive overview of the latest developments in the investigation of protozoan persistence in vertebrate hosts. The focus is primarily on the function of persisters, their formation within the host, and the specific molecular interactions between host and parasite while they persist. Additionally, we examine the metabolomic, transcriptional, and translational changes that protozoan parasites undergo during persistence within vertebrate hosts, focusing on major parasites such as Plasmodium spp., Trypanosoma spp., Leishmania spp., and Toxoplasma spp. Key findings of our study suggest that protozoan parasites deploy several molecular and physiological strategies to evade the host immune surveillance and sustain their persistence. Furthermore, some parasites undergo stage differentiation, enabling them to acclimate to varying host environments and immune challenges. More often, stressors such as drug exposure were demonstrated to impact the formation of protozoan persisters significantly. Understanding the molecular mechanisms regulating the persistence of protozoan parasites in vertebrate hosts can reinvigorate our current insights into host-parasite interactions and facilitate the development of more efficacious disease therapeutics.
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Affiliation(s)
| | | | | | - Zemfira N. Karamysheva
- Department of Biological Sciences, Texas Tech University, Lubbock, TX 79409, USA; (A.T.); (C.C.R.-A.); (J.S.-B.)
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Voorberg-van der Wel A, Zeeman AM, Kocken CHM. Transfection Models to Investigate Plasmodium vivax-Type Dormant Liver Stage Parasites. Pathogens 2023; 12:1070. [PMID: 37764878 PMCID: PMC10534883 DOI: 10.3390/pathogens12091070] [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: 07/18/2023] [Revised: 08/17/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023] Open
Abstract
Plasmodium vivax causes the second highest number of malaria morbidity and mortality cases in humans. Several biological traits of this parasite species, including the formation of dormant stages (hypnozoites) that persist inside the liver for prolonged periods of time, present an obstacle for intervention measures and create a barrier for the elimination of malaria. Research into the biology of hypnozoites requires efficient systems for parasite transmission, liver stage cultivation and genetic modification. However, P. vivax research is hampered by the lack of an in vitro blood stage culture system, rendering it reliant on in vivo-derived, mainly patient, material for transmission and liver stage culture. This has also resulted in limited capability for genetic modification, creating a bottleneck in investigations into the mechanisms underlying the persistence of the parasite inside the liver. This bottleneck can be overcome through optimal use of the closely related and experimentally more amenable nonhuman primate (NHP) parasite, Plasmodium cynomolgi, as a model system. In this review, we discuss the genetic modification tools and liver stage cultivation platforms available for studying P. vivax persistent stages and highlight how their combined use may advance our understanding of hypnozoite biology.
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Affiliation(s)
- Annemarie Voorberg-van der Wel
- Department of Parasitology, Biomedical Primate Research Centre, 2288 GJ Rijswijk, The Netherlands; (A.-M.Z.); (C.H.M.K.)
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11
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Zou J, Li J, Zhong X, Tang D, Fan X, Chen R. Liver in infections: a single-cell and spatial transcriptomics perspective. J Biomed Sci 2023; 30:53. [PMID: 37430371 PMCID: PMC10332047 DOI: 10.1186/s12929-023-00945-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 06/27/2023] [Indexed: 07/12/2023] Open
Abstract
The liver is an immune organ that plays a vital role in the detection, capture, and clearance of pathogens and foreign antigens that invade the human body. During acute and chronic infections, the liver transforms from a tolerant to an active immune state. The defence mechanism of the liver mainly depends on a complicated network of intrahepatic and translocated immune cells and non-immune cells. Therefore, a comprehensive liver cell atlas in both healthy and diseased states is needed for new therapeutic target development and disease intervention improvement. With the development of high-throughput single-cell technology, we can now decipher heterogeneity, differentiation, and intercellular communication at the single-cell level in sophisticated organs and complicated diseases. In this concise review, we aimed to summarise the advancement of emerging high-throughput single-cell technologies and re-define our understanding of liver function towards infections, including hepatitis B virus, hepatitis C virus, Plasmodium, schistosomiasis, endotoxemia, and corona virus disease 2019 (COVID-19). We also unravel previously unknown pathogenic pathways and disease mechanisms for the development of new therapeutic targets. As high-throughput single-cell technologies mature, their integration into spatial transcriptomics, multiomics, and clinical data analysis will aid in patient stratification and in developing effective treatment plans for patients with or without liver injury due to infectious diseases.
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Affiliation(s)
- Ju Zou
- Hunan Key Laboratory of Viral Hepatitis, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- Department of Infectious Diseases, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Jie Li
- Hunan Key Laboratory of Viral Hepatitis, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- Department of Infectious Diseases, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Xiao Zhong
- Hunan Key Laboratory of Viral Hepatitis, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- Department of Infectious Diseases, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Daolin Tang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, USA
| | - Xuegong Fan
- Hunan Key Laboratory of Viral Hepatitis, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
- Department of Infectious Diseases, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Ruochan Chen
- Hunan Key Laboratory of Viral Hepatitis, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
- Department of Infectious Diseases, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
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12
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Toenhake CG, Voorberg-van der Wel A, Wu H, Kanyal A, Nieuwenhuis IG, van der Werff NM, Hofman SO, Zeeman AM, Kocken CHM, Bártfai R. Epigenetically regulated RNA-binding proteins signify malaria hypnozoite dormancy. Cell Rep 2023; 42:112727. [PMID: 37392389 DOI: 10.1016/j.celrep.2023.112727] [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: 04/11/2023] [Revised: 05/19/2023] [Accepted: 06/15/2023] [Indexed: 07/03/2023] Open
Abstract
Dormancy enables relapsing malaria parasites, such as Plasmodium vivax and cynomolgi, to survive unfavorable conditions. It is enabled by hypnozoites, parasites remaining quiescent inside hepatocytes before reactivating and establishing blood-stage infection. We integrate omics approaches to explore gene-regulatory mechanisms underlying hypnozoite dormancy. Genome-wide profiling of activating and repressing histone marks identifies a few genes that get silenced by heterochromatin during hepatic infection of relapsing parasites. By combining single-cell transcriptomics, chromatin accessibility profiling, and fluorescent in situ RNA hybridization, we show that these genes are expressed in hypnozoites and that their silencing precedes parasite development. Intriguingly, these hypnozoite-specific genes mainly encode proteins with RNA-binding domains. We hence hypothesize that these likely repressive RNA-binding proteins keep hypnozoites in a developmentally competent but dormant state and that heterochromatin-mediated silencing of the corresponding genes aids reactivation. Exploring the regulation and exact function of these proteins hence could provide clues for targeted reactivation and killing of these latent pathogens.
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Affiliation(s)
| | | | - Haoyu Wu
- Department of Molecular Biology, Radboud University, 6525 GA Nijmegen, the Netherlands
| | - Abhishek Kanyal
- Department of Molecular Biology, Radboud University, 6525 GA Nijmegen, the Netherlands
| | | | | | - Sam Otto Hofman
- Department of Parasitology, Biomedical Primate Research Centre, 2288 GJ Rijswijk, the Netherlands
| | - Anne-Marie Zeeman
- Department of Parasitology, Biomedical Primate Research Centre, 2288 GJ Rijswijk, the Netherlands
| | | | - Richárd Bártfai
- Department of Molecular Biology, Radboud University, 6525 GA Nijmegen, the Netherlands.
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Mitchell G, Roma G, Voorberg-van der Wel A, Beibel M, Zeeman AM, Schuierer S, Torres L, Flannery EL, Kocken CHM, Mikolajczak SA, Diagana TT. Transcriptional profiling of hepatocytes infected with the replicative form of the malaria parasite Plasmodium cynomolgi. Malar J 2022; 21:393. [PMID: 36564750 PMCID: PMC9789591 DOI: 10.1186/s12936-022-04411-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 12/10/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND The zoonotic simian parasite Plasmodium cynomolgi develops into replicating schizonts and dormant hypnozoites during the infection of hepatocytes and is used as a model organism to study relapsing malaria. The transcriptional profiling of P. cynomolgi liver stages was previously reported and revealed many important biological features of the parasite but left out the host response to malaria infection. METHODS Previously published RNA sequencing data were used to quantify the expression of host genes in rhesus macaque hepatocytes infected with P. cynomolgi in comparison to either cells from uninfected samples or uninfected bystander cells. RESULTS Although the dataset could not be used to resolve the transcriptional profile of hypnozoite-infected hepatocytes, it provided a snapshot of the host response to liver stage schizonts at 9-10 day post-infection and identified specific host pathways that are modulated during the exo-erythrocytic stage of P. cynomolgi. CONCLUSIONS This study constitutes a valuable resource characterizing the hepatocyte response to P. cynomolgi infection and provides a framework to build on future research that aims at understanding hepatocyte-parasite interactions during relapsing malaria infection.
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Affiliation(s)
- Gabriel Mitchell
- Open Innovation at Novartis Institute for Tropical Diseases, Novartis Institutes for BioMedical Research, Emeryville, CA, USA.
| | - Guglielmo Roma
- Chemical Biology & Therapeutics, Novartis Institutes for BioMedical Research, Basel, Switzerland
| | | | - Martin Beibel
- Chemical Biology & Therapeutics, Novartis Institutes for BioMedical Research, Basel, Switzerland
| | - Anne-Marie Zeeman
- Department of Parasitology, Biomedical Primate Research Centre, Rijswijk, The Netherlands
| | - Sven Schuierer
- Chemical Biology & Therapeutics, Novartis Institutes for BioMedical Research, Basel, Switzerland
| | - Laura Torres
- Open Innovation at Novartis Institute for Tropical Diseases, Novartis Institutes for BioMedical Research, Emeryville, CA, USA
| | - Erika L Flannery
- Novartis Institute for Tropical Diseases, Novartis Institutes for BioMedical Research, Emeryville, CA, USA
| | - Clemens H M Kocken
- Department of Parasitology, Biomedical Primate Research Centre, Rijswijk, The Netherlands
| | - Sebastian A Mikolajczak
- Novartis Institute for Tropical Diseases, Novartis Institutes for BioMedical Research, Emeryville, CA, USA
| | - Thierry T Diagana
- Novartis Institute for Tropical Diseases, Novartis Institutes for BioMedical Research, Emeryville, CA, USA
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Vantaux A, Péneau J, Cooper CA, Kyle DE, Witkowski B, Maher SP. Liver-stage fate determination in Plasmodium vivax parasites: Characterization of schizont growth and hypnozoite fating from patient isolates. Front Microbiol 2022; 13:976606. [PMID: 36212849 PMCID: PMC9539820 DOI: 10.3389/fmicb.2022.976606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/11/2022] [Indexed: 11/13/2022] Open
Abstract
Plasmodium vivax, one species of parasite causing human malaria, forms a dormant liver stage, termed the hypnozoite, which activate weeks, months or years after the primary infection, causing relapse episodes. Relapses significantly contribute to the vivax malaria burden and are only killed with drugs of the 8-aminoquinoline class, which are contraindicated in many vulnerable populations. Development of new therapies targeting hypnozoites is hindered, in part, by the lack of robust methods to continuously culture and characterize this parasite. As a result, the determinants of relapse periodicity and the molecular processes that drive hypnozoite formation, persistence, and activation are largely unknown. While previous reports have described vastly different liver-stage growth metrics attributable to which hepatocyte donor lot is used to initiate culture, a comprehensive assessment of how different P. vivax patient isolates behave in the same lots at the same time is logistically challenging. Using our primary human hepatocyte-based P. vivax liver-stage culture platform, we aimed to simultaneously test the effects of how hepatocyte donor lot and P. vivax patient isolate influence the fate of sporozoites and growth of liver schizonts. We found that, while environmental factors such as hepatocyte donor lot can modulate hypnozoite formation rate, the P. vivax case is also an important determinant of the proportion of hypnozoites observed in culture. In addition, we found schizont growth to be mostly influenced by hepatocyte donor lot. These results suggest that, while host hepatocytes harbor characteristics making them more- or less-supportive of a quiescent versus growing intracellular parasite, sporozoite fating toward hypnozoites is isolate-specific. Future studies involving these host–parasite interactions, including characterization of individual P. vivax strains, should consider the impact of culture conditions on hypnozoite formation, in order to better understand this important part of the parasite’s lifecycle.
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Affiliation(s)
- Amélie Vantaux
- Malaria Molecular Epidemiology Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia
- *Correspondence: Amélie Vantaux,
| | - Julie Péneau
- Malaria Molecular Epidemiology Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia
| | - Caitlin A. Cooper
- Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA, United States
| | - Dennis E. Kyle
- Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA, United States
| | - Benoit Witkowski
- Malaria Molecular Epidemiology Unit, Institut Pasteur du Cambodge, Phnom Penh, Cambodia
| | - Steven P. Maher
- Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA, United States
- Steven P. Maher,
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