Alpha-2-macroglobulin is involved in the occurrence of early-onset pre-eclampsia via its negative impact on uterine spiral artery remodeling and placental angiogenesis
Pre-eclampsia (PE) is one of the leading causes of maternal and fetal morbidity/mortality during pregnancy, and alpha-2-macroglobulin (A2M) is associated with inflammatory signaling; however, the pathophysiological mechanism by which A2M is involved in PE development is not yet understood. Human pla...
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| Hauptverfasser: | , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
09 March 2023
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| In: |
BMC medicine
Year: 2023, Jahrgang: 21, Heft: 1, Pages: 1-22 |
| ISSN: | 1741-7015 |
| DOI: | 10.1186/s12916-023-02807-9 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1186/s12916-023-02807-9 Verlag, kostenfrei, Volltext: https://bmcmedicine.biomedcentral.com/articles/10.1186/s12916-023-02807-9 
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| Verfasserangaben: | Jingyun Wang, Ping Zhang, Mengyuan Liu, Zhengrui Huang, Xiaofeng Yang, Yuzhen Ding, Jia Liu, Xin Cheng, Shujie Xu, Meiyao He, Fengxiang Zhang, Guang Wang, Ruiman Li and Xuesong Yang |
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| 245 | 1 | 0 | |a Alpha-2-macroglobulin is involved in the occurrence of early-onset pre-eclampsia via its negative impact on uterine spiral artery remodeling and placental angiogenesis |c Jingyun Wang, Ping Zhang, Mengyuan Liu, Zhengrui Huang, Xiaofeng Yang, Yuzhen Ding, Jia Liu, Xin Cheng, Shujie Xu, Meiyao He, Fengxiang Zhang, Guang Wang, Ruiman Li and Xuesong Yang |
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| 520 | |a Pre-eclampsia (PE) is one of the leading causes of maternal and fetal morbidity/mortality during pregnancy, and alpha-2-macroglobulin (A2M) is associated with inflammatory signaling; however, the pathophysiological mechanism by which A2M is involved in PE development is not yet understood. Human placenta samples, serum, and corresponding clinical data of the participants were collected to study the pathophysiologic mechanism underlying PE. Pregnant Sprague-Dawley rats were intravenously injected with an adenovirus vector carrying A2M via the tail vein on gestational day (GD) 8.5. Human umbilical artery smooth muscle cells (HUASMCs), human umbilical vein endothelial cells (HUVECs), and HTR-8/SVneo cells were transfected with A2M-expressing adenovirus vectors. In this study, we demonstrated that A2M levels were significantly increased in PE patient serum, uterine spiral arteries, and feto-placental vasculature. The A2M-overexpression rat model closely mimicked the characteristics of PE (i.e., hypertension in mid-to-late gestation, histological and ultrastructural signs of renal damage, proteinuria, and fetal growth restriction). Compared to the normal group, A2M overexpression significantly enhanced uterine artery vascular resistance and impaired uterine spiral artery remodeling in both pregnant women with early-onset PE and in pregnant rats. We found that A2M overexpression was positively associated with HUASMC proliferation and negatively correlated with cell apoptosis. In addition, the results demonstrated that transforming growth factor beta 1 (TGFβ1) signaling regulated the effects of A2M on vascular muscle cell proliferation described above. Meanwhile, A2M overexpression regressed rat placental vascularization and reduced the expression of angiogenesis-related genes. In addition, A2M overexpression reduced HUVEC migration, filopodia number/length, and tube formation. Furthermore, HIF-1α expression was positively related to A2M, and the secretion of sFLT-1 and PIGF of placental origin was closely related to PE during pregnancy or A2M overexpression in rats. Our data showed that gestational A2M overexpression can be considered a contributing factor leading to PE, causing detective uterine spiral artery remodeling and aberrant placental vascularization. | ||
| 700 | 1 | |a Zhang, Ping |e VerfasserIn |4 aut | |
| 700 | 1 | |a Liu, Mengyuan |e VerfasserIn |4 aut | |
| 700 | 1 | |a Huang, Zhengrui |e VerfasserIn |4 aut | |
| 700 | 1 | |a Yang, Xiaofeng |e VerfasserIn |4 aut | |
| 700 | 1 | |a Ding, Yuzhen |e VerfasserIn |4 aut | |
| 700 | 1 | |a Liu, Jia |e VerfasserIn |4 aut | |
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| 700 | 1 | |a Xu, Shujie |e VerfasserIn |4 aut | |
| 700 | 1 | |a He, Meiyao |e VerfasserIn |4 aut | |
| 700 | 1 | |a Zhang, Fengxiang |e VerfasserIn |4 aut | |
| 700 | 1 | |a Wang, Guang |e VerfasserIn |4 aut | |
| 700 | 1 | |a Li, Ruiman |e VerfasserIn |4 aut | |
| 700 | 1 | |a Yang, Xuesong |e VerfasserIn |4 aut | |
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