Dissecting human placental cells heterogeneity in preeclampsia and gestational diabetes using single-cell sequencing

被引:4
|
作者
Jiao, Bo [1 ]
Wang, Yan [1 ]
Li, Shenghua [1 ]
Lu, Jianan [1 ]
Liu, Jian [1 ]
Xia, Ji [1 ]
Li, Yisha [1 ]
Xu, Juanjuan [1 ]
Tian, Xiujuan [1 ]
Qi, Bangruo [1 ]
机构
[1] Sanya Women & Childrens Hosp Managed Shanghai Chil, Sanya, Peoples R China
关键词
Single-cell sequencing; Preeclampsia; Gestational diabetes mellitus; Placental; Heterogeneity; EXPRESSION; REVEALS;
D O I
10.1016/j.molimm.2023.07.005
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Preeclampsia (PE) and gestational diabetes mellitus (GDM) are pregnancy-specific complications, which affect maternal health and fetal outcomes. Currently, clinical and pathological studies have shown that placenta homeostasis is affected by these two maternal diseases. In this study, we aimed to gain insight into the heterogeneous changes in cell types in placental tissue-isolated from cesarean section by single-cell sequencing, including those patients diagnosed with PE (n = 5), GDM (n = 5) and healthy control (n = 5). A total of 96,048 cells (PE: 31,672; GDM: 25,294; control: 39,082) were identified in six cell types, dominated by trophoblast cells and immune cells. In addition, trophoblast cells were divided into four subtypes, including cytotrophoblast cells (CTBs), villous cytotrophoblasts (VCTs), syncytiotrophoblast (STB), and extravillous trophoblasts (EVTs). Immune cells are divided into lymphocytes and macrophages, of which macrophages have 3 subtypes (decidual macrophages, Hofbauer cells and macrophages), and lymphocytes have 4 subtypes (BloodNK, T cells, plasma cells, and decidual natural killer cells). Meanwhile, we also proved the orderly differentiation sequence of CTB into VCT, then STB and EVT. By pair-wise analysis of the expression and enrichment of differentially expressed genes in trophoblast cells between PE, GDM and control, it was found that these cells were involved in immune, nutrient transfer, hormone and oxidative stress pathways. In addition, T cells and macrophages play an immune defense role in both PE and GDM. The proportion of CTB and EVT cells in placental tissue was confirmed by flow cytometry. Taken together, our results suggested that the human placenta is a dynamic heterogenous organ dominated by trophoblast and immune cells, which perform their respective roles and interact with other cells in the environment to maintain normal placental function.
引用
收藏
页码:104 / 118
页数:15
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