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scDual-Seq of Toxoplasma gondii-infected mouse BMDCs reveals heterogeneity and differential infection dynamics
Department of Molecular Biosciences, The Wenner Gren Institute, Stockholm University, Stockholm, Sweden.
Department of Molecular Biosciences, The Wenner Gren Institute, Stockholm University, Stockholm, Sweden.
Department of Molecular Biosciences, The Wenner Gren Institute, Stockholm University, Stockholm, Sweden; Department of Global Health, Institut Pasteur, Paris, France; Department of Global Health, Institut Pasteur, Paris, France; Department of Cell and Molecular Biology, Biomedical Center (BMC), Uppsala University, Uppsala, Sweden.
Department of Molecular Biosciences, The Wenner Gren Institute, Stockholm University, Stockholm, Sweden; Department of Global Health, Institut Pasteur, Paris, France; Department of Cell and Molecular Biology, Biomedical Center (BMC), Uppsala University, Uppsala, Sweden.
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2023 (English)In: Frontiers in Immunology, E-ISSN 1664-3224, Vol. 14, article id 1224591Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
Frontiers Media S.A., 2023. Vol. 14, article id 1224591
Keywords [en]
BMDCs, bone marrow-derived dendritic cells, Dual single-cell RNA-seq, host-pathogen interactions, immune modulation, scDual-Seq, Toxoplasma gondii
National Category
Immunology
Identifiers
URN: urn:nbn:se:umu:diva-213060DOI: 10.3389/fimmu.2023.1224591ISI: 001045246300001PubMedID: 37575232Scopus ID: 2-s2.0-85167593817OAI: oai:DiVA.org:umu-213060DiVA, id: diva2:1790929
Funder
Swedish Research Council, 2021-05057Swedish Research Council, 2021- 06602Swedish Research Council, 2018-0241Swedish Research Council, 2022-00520Sven och Lilly Lawskis fond för naturvetenskaplig forskningAvailable from: 2023-08-24 Created: 2023-08-24 Last updated: 2024-01-17Bibliographically approved

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Henriksson, Johan

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Molecular Infection Medicine Sweden (MIMS)Umeå Centre for Microbial Research (UCMR)Department of Molecular Biology (Faculty of Medicine)
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