• Int J Med Sci · Jan 2023

    Crosstalk between Placental Trophoblast and Decidual Immune Cells in Recurrent Miscarriage.

    • Zhenzhen Liu, Yao Tang, Xiaoyue Zhang, Jiangnan Pei, Chengjie Wang, Haiyan Liu, Yi Yu, Shouling Luo, and Weirong Gu.
    • Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai 200011, China.
    • Int J Med Sci. 2023 Jan 1; 20 (9): 117411881174-1188.

    AbstractRecurrent miscarriage (RM) is a pregnancy complication associated with dysregulation of the maternal-fetal interface. We aimed to identify dysfunctional interactions between trophoblast cells and decidual immune cells in RM. We downloaded single-cell RNA sequencing (scRNA-seq) datasets (GSE214607) from the Gene Expression Omnibus (GEO) datasets for further analysis using the R software. The data comprised of paired placental and decidual tissues, including those from patients diagnosed with RM and matched healthy controls. A total of 22976 cells were identified in 11 cell types, including trophoblasts, immune cells, and other cells. We divided trophoblast cells into three types and analyzed their interactions with decidual immune cells. Additionally, we re-clustered NK&T cells and macrophages, identified differentially expressed genes (DEGs), enriched their functions, and compared the cell interactions with trophoblast cells in each cell type. Our single-cell atlas of the maternal-fetal interface revealed alterations in the cellular organization of the decidua and placenta, cell type-specific transcriptome, and cell communication between immune and non-immune cells in RM, which are critical for illuminating the pathophysiology of RM.© The author(s).

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