Tandem mass tag-based proteomics analysis reveals the mechanism underlying the interleukin-6-mediated regulation of trophoblast function in preeclampsia.
Qing Han, Shuisen Zheng, Huale Zhang, Jianying Yan
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引用次数: 0
Abstract
Objective: We investigated the mechanism whereby interleukin-6 (IL-6), an important inflammatory marker, influences trophoblast function during preeclampsia.
Methods: Quantitative PCR and enzyme-linked immunosorbent assay were used to determine the IL-6 mRNA and protein levels, respectively. CCK8 and transwell assays were used to detect how IL-6 affects the proliferation and invasion abilities of HTR-8/SVneo cells respectively; the tube-forming assay was conducted to explore how IL-6 affects the angiogenesis ability of human umbilical vein endothelial cells (HUVECs) after their co-culture with HTR-8/SVneo cells. Using tandem mass tag-based proteomics analysis, we screened for different proteins before and after IL-6 stimulation; Gene Ontology enrichment and Kyoto Encyclopedia of Genes and Genomes pathway analyses were performed to investigate the functions and signal pathways associated with these proteins.
Results: The IL-6 levels were higher in the placenta of preeclampsia group than in the normal group. IL-6 suppressed the proliferation and invasion of HTR-8/SVneo cells, but promoted the angiogenesis of HUVECs. Seventy differentially expressed IL-6 downstream proteins were identified; these were enriched with various biological processes, molecular functions, cellular components, and biological pathways.Conclusions: IL-6 regulates trophoblast function by interacting with multiple proteins and pathways. Proteomics-based screening serves as a macroscopic approach to clarify the molecular mechanisms associated with preeclampsia.
期刊介绍:
The official journal of The European Association of Perinatal Medicine, The Federation of Asia and Oceania Perinatal Societies and The International Society of Perinatal Obstetricians. The journal publishes a wide range of peer-reviewed research on the obstetric, medical, genetic, mental health and surgical complications of pregnancy and their effects on the mother, fetus and neonate. Research on audit, evaluation and clinical care in maternal-fetal and perinatal medicine is also featured.