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- Title
Alarmins at the maternal–fetal interface: involvement of inflammation in placental dysfunction and pregnancy complications1.
- Authors
Brien, Marie-Eve; Baker, Bernadette; Duval, Cyntia; Gaudreault, Virginie; Jones, Rebecca L.; Girard, Sylvie
- Abstract
Inflammation is known to be associated with placental dysfunction and pregnancy complications. Infections are well known to be a cause of inflammation but they are frequently undetectable in pregnancy complications. More recently, the focus has been extended to inflammation of noninfectious origin, namely caused by endogenous mediators known as "damage-associated molecular patterns (DAMPs)" or alarmins. In this manuscript, we review the mechanism by which inflammation, sterile or infectious, can alter the placenta and its function. We discuss some classical DAMPs, such as uric acid, high mobility group box 1 (HMGB1), cell-free fetal deoxyribonucleic acid (DNA) (cffDNA), S100 proteins, heat shock protein 70 (HSP70), and adenosine triphosphate (ATP) and their impact on the placenta. We focus on the main placental cells (i.e., trophoblast and Hofbauer cells) and describe the placental response to, and release of, DAMPs. We also covered the current state of knowledge about the role of DAMPs in pregnancy complications including preeclampsia, fetal growth restriction, preterm birth, and stillbirth and possible therapeutic strategies to preserve placental function.
- Subjects
PREGNANCY complications; INFLAMMATION; PLACENTA physiology; MATERNAL-fetal exchange; HIGH mobility group proteins; URIC acid; TROPHOBLAST; PREECLAMPSIA
- Publication
Canadian Journal of Physiology & Pharmacology, 2019, Vol 97, Issue 3, p206
- ISSN
0008-4212
- Publication type
Article
- DOI
10.1139/cjpp-2018-0363