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Placental infection single-cell and single-nuclei maps

ABSTRACT: Placental infection single-cell and single-nuclei maps

PROVIDER: PRJEB72863 | ENA |

REPOSITORIES: ENA

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Placental infection single-cell and single-nuclei maps

Project description:This resource comprises a single-cell multi-lineage map of first trimester infected placental cells. We have included data from both uninfected cells and cells infected with three pathogens known to cause maternal and fetal disorders: Plasmodium falciparum, Listeria monocytogenes, and Toxoplasma gondii. We also generated single-nuclei map of infected trophoblasts and their corresponding controls. Furthermore, we created a single-nuclei reference dataset containing information from uninfected primary placental organoids as well as organoids infected with P. falciparum. Additionally, we conducted sequencing at a single-cell level for P. falciparum parasites that were bound to the placenta (pf_b), parasites unbound to the placenta (pf_nb), and parasites that were cultured in vitro (pf_iv).

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Project description:HCA Placental Infection Atlas Self-renewing human trophoblast stem cells (hTSC) can give rise to major trophoblast lineages, including syncytiotrophoblast (SCT) and extravillous trophoblast (EVT). hTSC has facilitated the study of placental development and function in vitro. Here, we aim to utilise the hTSC line (HMDMC 20/0005) to study human placental infection and inflammation. This study will provide the opportunity to better understand the pathogenesis of human placenta in the event of infection and inflammation. In brief, differentiated hTSC will be infected with relevant pathogens and stimulated with a panel of inflammatory cytokines. We will use single-cell genomic and spatial approaches to characterise cellular heterogeneity in response to infection or cytokines stimulus. In parallel, we will investigate the interaction between iPSC-derived macrophages with different trophoblast lineages during the course of infection using single-cell genomic and spatial methods. This data is part of a pre-publication release. For information on the proper use of pre-publication data shared by the Wellcome Trust Sanger Institute (including details of any publication moratoria), please see http://www.sanger.ac.uk/datasharing/

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Project description:Single nuclei RNA-sequencing of the mouse placenta at four developmental stages (E9.5, E10.5, E12.5, E14.5). Supplementary files include the expression matrices for the integrated datasets containing nuclei from E9.5, E10.5, E12.5, and E14.5 and the clustering annotations for either all nuclei (AllStages_AllNuclei) or subclustered trophoblast nuclei (AllStages_TrophoblastNuclei). Processed data as R objects for both AllStages_AllNuclei and AllStages_TrophoblastNuclei are available at https://figshare.com/projects/Single_nuclei_RNA-seq_of_mouse_placental_labyrinth_development/92354

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Toxoplasma gondii dictates placental trophoblast lineage specification through induction of decidual signaling cues [single nuclei multiome]

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