Abnormal Expression of the LAG-3/FGL-1 Signaling Pathway in Patients with Early-Onset Preeclampsia

被引:4
作者
Liang, Yue [1 ]
Liu, Yining [1 ]
Wang, Shan [2 ]
Gu, Yongzhong [2 ]
Wang, Ping [2 ]
Meng, Jinlai [1 ,2 ]
机构
[1] Shandong Univ, Shandong Prov Hosp, Dept Obstet & Gynecol, Jinan, Shandong, Peoples R China
[2] Shandong First Med Univ, Dept Obstet & Gynecol, Shandong Prov Hosp, Jinan, Shandong, Peoples R China
来源
MEDICAL SCIENCE MONITOR | 2022年 / 28卷
关键词
CD223; Antigen; FGL1; Protein; Human; Hypertension; Pregnancy-Induced; Immune Checkpoint Proteins; T-Lymphocytes; FIBRINOGEN-LIKE PROTEIN-1; LAG-3; ACTIVATION; PREGNANCY; TOLERANCE; CD223;
D O I
10.12659/MSM.937498
中图分类号
R-3 [医学研究方法]; R3 [基础医学];
学科分类号
1001 ;
摘要
Background: Preeclampsia (PE) is a serious pregnancy disorder associated with immune tolerance imbalance. The etiology of preeclampsia has not been fully elucidated. The aim of this study was to clarify the possible role of the lym-phocyte activation gene 3 (LAG-3)/fibrinogen-like protein 1 (FGL-1) signaling pathway in the immune imbal-ance of early-onset PE.Material/Methods: We enrolled 34 women with early-onset PE and 34 age-matched normal pregnancies (NPs). Flow cytometry was performed to determine the expression of LAG-3 on peripheral T cell subsets (CD3+, CD4+, and CD8+ T cells). We measured LAG-3 expression on decidual T cells to determine whether there was a difference in the expression of LAG-3 between decidual and peripheral T cells. Maternal plasma levels of FGL-1 were measured by ELISA.Results: There was no significant difference in LAG-3 expression on peripheral CD3+ T cells between NP and early -on-set PE. Compared to NP, the significant decrease expression of LAG-3 by peripheral CD4+ and CD8+T cells was found in early-onset PE. The LAG-3 expression was higher on decidual T cells than peripheral counterparts in all pregnancies. The plasma level of FGL-1 was significantly elevated in early-onset PE compared with NP.Conclusions: Abnormal expression of LAG-3/FGL-1 signaling pathway may be associated with immune activation of effector T cells and impaired immune tolerance in early-onset PE.
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页数:7
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