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Akossi RF, Delbac F, El Alaoui H, Wawrzyniak I, Peyretaillade E. The intracellular parasite Anncaliia algerae induces a massive miRNA down-regulation in human cells. Noncoding RNA Res 2023; 8:363-375. [PMID: 37275245 PMCID: PMC10238475 DOI: 10.1016/j.ncrna.2023.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/27/2023] [Accepted: 05/07/2023] [Indexed: 06/07/2023] Open
Abstract
Anncaliia algerae belongs to microsporidia, a group of obligate intracellular parasites related to fungi. These parasites are largely spread in water and food-webs and can infect a wide variety of hosts ranging from invertebrates to vertebrates including humans. In humans, microsporidian infections are mainly opportunistic as immunocompetent hosts can clear parasites naturally. Recent studies however have reported persistent microsporidian infections and have highlighted them as a risk factor in colon cancer. This may be a direct result of cell infection or may be an indirect effect of the infectious microenvironment and the host's response. In both cases, this raises the question of the effects of microsporidian infection at the host and host-cell levels. We aimed to address the question of human host intracellular response to microsporidian infection through a transcriptomic kinetic study of human foreskin fibroblasts (HFF) infected with A.algerae, a human infecting microsporidia with an exceptionally wide host range. We focused solely on host response studying both coding and small non-coding miRNA expression. Our study revealed a generalized down-regulation of cell miRNAs throughout infection with up to 547 different miRNAs downregulated at some timepoints and also transcriptomic dysregulations that could facilitate parasite development with immune and lipid metabolism genes modulation. We also hypothesize possible small nucleic acid expropriation explaining the miRNA downregulation. This work contributes to a better understanding of the dialogue that can occur between an intracellular parasite and its host at the cellular level, and can guide future studies on microsporidian infection biology to unravel the mode of action of these minimalist parasites at the tissue or host levels.We have also generated a kinetic and comprehensive transcriptomic data set of an infectious process that can help support comparative studies in the broader field of parasitology. Lastly, these results may warrant for caution regarding microsporidian exposure and persistent infections.
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Affiliation(s)
- Reginald Florian Akossi
- Laboratoire “Microorganismes: Génome et Environnement” (LMGE), UMR 6023, Université Clermont Auvergne and CNRS, F-63000, Clermont-Ferrand, France
| | - Fréderic Delbac
- Laboratoire “Microorganismes: Génome et Environnement” (LMGE), UMR 6023, Université Clermont Auvergne and CNRS, F-63000, Clermont-Ferrand, France
| | - Hicham El Alaoui
- Laboratoire “Microorganismes: Génome et Environnement” (LMGE), UMR 6023, Université Clermont Auvergne and CNRS, F-63000, Clermont-Ferrand, France
| | - Ivan Wawrzyniak
- Laboratoire “Microorganismes: Génome et Environnement” (LMGE), UMR 6023, Université Clermont Auvergne and CNRS, F-63000, Clermont-Ferrand, France
| | - Eric Peyretaillade
- Laboratoire “Microorganismes: Génome et Environnement” (LMGE), UMR 6023, Université Clermont Auvergne and CNRS, F-63000, Clermont-Ferrand, France
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Hildebrandt F, Mohammed M, Dziedziech A, Bhandage AK, Divne AM, Barrenäs F, Barragan A, Henriksson J, Ankarklev J. scDual-Seq of Toxoplasma gondii-infected mouse BMDCs reveals heterogeneity and differential infection dynamics. Front Immunol 2023; 14:1224591. [PMID: 37575232 PMCID: PMC10415529 DOI: 10.3389/fimmu.2023.1224591] [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: 05/17/2023] [Accepted: 07/06/2023] [Indexed: 08/15/2023] Open
Abstract
Dendritic cells and macrophages are integral parts of the innate immune system and gatekeepers against infection. The protozoan pathogen, Toxoplasma gondii, is known to hijack host immune cells and modulate their immune response, making it a compelling model to study host-pathogen interactions. Here we utilize single cell Dual RNA-seq to parse out heterogeneous transcription of mouse bone marrow-derived dendritic cells (BMDCs) infected with two distinct genotypes of T. gondii parasites, over multiple time points post infection. We show that the BMDCs elicit differential responses towards T. gondii infection and that the two parasite lineages distinctly manipulate subpopulations of infected BMDCs. Co-expression networks define host and parasite genes, with implications for modulation of host immunity. Integrative analysis validates previously established immune pathways and additionally, suggests novel candidate genes involved in host-pathogen interactions. Altogether, this study provides a comprehensive resource for characterizing host-pathogen interplay at high-resolution.
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Affiliation(s)
- Franziska Hildebrandt
- Department of Molecular Biosciences, The Wenner Gren Institute, Stockholm University, Stockholm, Sweden
| | - Mubasher Mohammed
- Department of Molecular Biosciences, The Wenner Gren Institute, Stockholm University, Stockholm, Sweden
| | - Alexis Dziedziech
- Department of Molecular Biosciences, The Wenner Gren Institute, Stockholm University, Stockholm, Sweden
- Department of Global Health, Institut Pasteur, Paris, France
| | - Amol K. Bhandage
- Department of Molecular Biosciences, The Wenner Gren Institute, Stockholm University, Stockholm, Sweden
| | - Anna-Maria Divne
- Microbial Single Cell Genomics Facility, SciLifeLab, Biomedical Center (BMC) Uppsala University, Uppsala, Sweden
| | - Fredrik Barrenäs
- Department of Molecular Biosciences, The Wenner Gren Institute, Stockholm University, Stockholm, Sweden
| | - Antonio Barragan
- Department of Molecular Biosciences, The Wenner Gren Institute, Stockholm University, Stockholm, Sweden
| | - Johan Henriksson
- Laboratory of Molecular Infection Medicine Sweden (MIMS), Umeå Center for Microbial Research, Department of Molecular Biology, Umeå University, Umeå, Sweden
| | - Johan Ankarklev
- Department of Molecular Biosciences, The Wenner Gren Institute, Stockholm University, Stockholm, Sweden
- Microbial Single Cell Genomics Facility, SciLifeLab, Biomedical Center (BMC) Uppsala University, Uppsala, Sweden
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Brandão YDO, Molento MB. A Systematic Review of Apicomplexa Looking into Epigenetic Pathways and the Opportunity for Novel Therapies. Pathogens 2023; 12:pathogens12020299. [PMID: 36839571 PMCID: PMC9963874 DOI: 10.3390/pathogens12020299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/03/2023] [Accepted: 02/09/2023] [Indexed: 02/15/2023] Open
Abstract
Interest in host epigenetic changes during apicomplexan infections increased in the last decade, mainly due to the emergence of new therapies directed to these alterations. This review aims to carry out a bibliometric analysis of the publications related to host epigenetic changes during apicomplexan infections and to summarize the main studied pathways in this context, pointing out those that represent putative drug targets. We used four databases for the article search. After screening, 116 studies were included. The bibliometric analysis revealed that the USA and China had the highest number of relevant publications. The evaluation of the selected studies revealed that Toxoplasma gondii was considered in most of the studies, non-coding RNA was the most frequently reported epigenetic event, and host defense was the most explored pathway. These findings were reinforced by an analysis of the co-occurrence of keywords. Even though we present putative targets for repurposing epidrugs and ncRNA-based drugs in apicomplexan infections, we understand that more detailed knowledge of the hosts' epigenetic pathways is still needed before establishing a definitive drug target.
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Zou Y, Meng JX, Wei XY, Gu XY, Chen C, Geng HL, Yang LH, Zhang XX, Cao HW. CircRNA and miRNA expression analysis in livers of mice with Toxoplasma gondii infection. Front Cell Infect Microbiol 2022; 12:1037586. [PMID: 36389171 PMCID: PMC9646959 DOI: 10.3389/fcimb.2022.1037586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 10/07/2022] [Indexed: 11/23/2022] Open
Abstract
Toxoplasmosis is an important zoonotic parasitic disease caused by Toxoplasma gondii (T. gondii). However, the functions of circRNAs and miRNAs in response to T. gondii infection in the livers of mice at acute and chronic stages remain unknown. Here, high-throughput RNA sequencing was performed for detecting the expression of circRNAs and miRNAs in livers of mice infected with 20 T. gondii cysts at the acute and chronic stages, in order to understand the potential molecular mechanisms underlying hepatic toxoplasmosis. Overall, 265 and 97 differentially expressed (DE) circRNAs were found in livers at the acute and chronic infection stages in comparison with controls, respectively. In addition, 171 and 77 DEmiRNAs were found in livers at the acute and chronic infection stages, respectively. Functional annotation showed that some immunity-related Gene ontology terms, such as “positive regulation of cytokine production”, “regulation of T cell activation”, and “immune receptor activity”, were enriched at the two infection stages. Moreover, the pathways “Valine, leucine, and isoleucine degradation”, “Fatty acid metabolism”, and “Glycine, serine, and threonine metabolism” were involved in liver disease. Remarkably, DEcircRNA 6:124519352|124575359 was significantly correlated with DEmiRNAs mmu-miR-146a-5p and mmu-miR-150-5p in the network that was associated with liver immunity and pathogenesis of disease. This study revealed that the expression profiling of circRNAs in the livers was changed after T. gondii infection, and improved our understanding of the transcriptomic landscape of hepatic toxoplasmosis in mice.
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Affiliation(s)
- Yang Zou
- School of Pharmacy, Yancheng Teachers University, Yancheng, China
- College of Life Sciences, Changchun Sci-Tech University, Changchun, China
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Jin-Xin Meng
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
| | - Xin-Yu Wei
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Xiao-Yi Gu
- School of Pharmacy, Yancheng Teachers University, Yancheng, China
| | - Chao Chen
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Hong-Li Geng
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
| | - Li-Hua Yang
- College of Life Sciences, Changchun Sci-Tech University, Changchun, China
- *Correspondence: Li-Hua Yang, ; Xiao-Xuan Zhang, ; Hong-Wei Cao,
| | - Xiao-Xuan Zhang
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
- *Correspondence: Li-Hua Yang, ; Xiao-Xuan Zhang, ; Hong-Wei Cao,
| | - Hong-Wei Cao
- School of Pharmacy, Yancheng Teachers University, Yancheng, China
- *Correspondence: Li-Hua Yang, ; Xiao-Xuan Zhang, ; Hong-Wei Cao,
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Rosini AM, Teixeira SC, Milian ICB, Silva RJ, de Souza G, Luz LC, Gomes AO, Mineo JR, Mineo TWP, Ferro EAV, Barbosa BF. LPS-mediated activation of TLR4 controls Toxoplasma gondii growth in human trophoblast cell (BeWo) and human villous explants in a dependent-manner of TRIF, MyD88, NF-κB and cytokines. Tissue Cell 2022; 78:101907. [DOI: 10.1016/j.tice.2022.101907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 06/22/2022] [Accepted: 08/22/2022] [Indexed: 02/07/2023]
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Olajide JS, Olopade B, Cai J. Functional Intricacy and Symmetry of Long Non-Coding RNAs in Parasitic Infections. Front Cell Infect Microbiol 2021; 11:751523. [PMID: 34692567 PMCID: PMC8531492 DOI: 10.3389/fcimb.2021.751523] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Accepted: 09/20/2021] [Indexed: 12/11/2022] Open
Abstract
RNAs are a class of molecules and the majority in eukaryotes are arbitrarily termed non- coding transcripts which are broadly classified as short and long non-coding RNAs. Recently, knowledge of the identification and functions of long non-coding RNAs have continued to accumulate and they are being recognized as important molecules that regulate parasite-host interface, parasite differentiation, host responses, and disease progression. Herein, we present and integrate the functions of host and parasite long non-coding RNAs during infections within the context of epigenetic re-programming and molecular crosstalk in the course of host-parasite interactions. Also, the modular range of parasite and host long non-coding RNAs in coordinated parasite developmental changes and host immune dynamic landscapes are discussed. We equally canvass the prospects of long non-coding RNAs in disease diagnosis and prognosis. Hindsight and suggestions are offered with the aim that it will bolster our understanding for future works on host and parasite long non-coding RNAs.
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Affiliation(s)
- Joshua Seun Olajide
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Institute of Veterinary Research Chinese Academy of Agricultural Sciences, Lanzhou, China.,Centre for Distance Learning, Obafemi Awolowo University, Ile-Ife, Nigeria.,Jiangsu Co-Innovation Center for Prevention and Control of Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Bolatito Olopade
- Department of Medical Microbiology and Parasitology, College of Health Sciences, Obafemi Awolowo University, Ile-Ife, Nigeria
| | - Jianping Cai
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Institute of Veterinary Research Chinese Academy of Agricultural Sciences, Lanzhou, China.,Jiangsu Co-Innovation Center for Prevention and Control of Animal Infectious Diseases and Zoonoses, Yangzhou, China
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