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A non-redundant role of complement protein C1q in normal and adverse pregnancy
Authors
C Agostinis
A Balduit
+3 more
R Bulla
U Kishore
A Mangogna
Publication date
1 January 2022
Publisher
'Open Exploration Publishing'
Doi
Abstract
Availability of data and materials: Not applicable.Copyright © The Author(s) 2022. Complement component 1q (C1q) is the recognition molecule of the classical pathway of the complement system that can bind to an array of closely spaced antigen-bound immunoglobulin G (IgG) and IgM antibodies. In addition to its involvement in defence against a range of pathogens and clearance of apoptotic and necrotic cells, C1q has also been implicated in immune and non-immune homeostasis. C1q is locally produced by immune cells such as monocytes, macrophages, and dendritic cells. C1q is also synthesized by decidual endothelial cells, thus acting as a link between decidual cells and trophoblasts, as well as contributing to the remodelling of spiral arteries. Furthermore, C1q is produced by the extravillous trophoblasts (EVTs) invading the decidua. As a pro-angiogenic molecule, C1q is also important for normal placentation processes as it favors the active angiogenesis in the developing decidua. These observations have been validated by C1q gene knock-out mice which showed pre-eclampsia (PE)-like symptoms, characterized by hypertension, proteinuria, glomerular endotheliosis, and increased soluble fms-like tyrosine kinase-1 (sFlt-1)/placental growth factor (PlGF) ratio, and increased oxidative stress. The role of C1q in normal and adverse human pregnancy is being studied extensively due to its absence or low level as a likely precipitating factor for the development of PE.Funding: Not applicable
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Brunel University Research Archive
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oai:bura.brunel.ac.uk:2438/252...
Last time updated on 10/10/2022
Archivio istituzionale della ricerca - Università di Trieste
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Last time updated on 19/05/2023