Cited by 502Pregnancy and preeclampsia studiesReproductive System and PregnancyNeurological Complications and Syndromes

Placental endoplasmic reticulum stress and oxidative stress in the pathophysiology of unexplained intrauterine growth restriction and early onset preeclampsia

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Burton, G.J., Yung, H.-W., Cindrova-Davies, T., Charnock-Jones, D.S.·2009·Placenta

Abstract

The pregnancy complications of unexplained intrauterine growth restriction and early onset preeclampsia are thought to share a common aetiology in placental malperfusion secondary to deficient maternal spiral artery conversion. A key question is whether the contrasting clinical manifestations reflect different placental pathologies, or whether they are due to altered maternal responses to a common factor derived from the placenta. Recently, molecular evidence of protein synthesis inhibition secondary to endoplasmic reticulum stress has provided an explanation for the small placental phenotype in both conditions. However, other pathways activated by more severe endoplasmic reticulum stress are only observed in placentas from pregnancies associated with early onset preeclampsia. Here, we review the literature and conclude that there is evidence of greater maternal vascular compromise of the placenta in these cases. We speculate that in cases of normotensive intrauterine growth restriction the placental pathology is centred predominantly around endoplasmic reticulum stress, whereas in cases complicated by preeclampsia oxidative stress is further superimposed. This causes the release of a potent mix of pro-inflammatory cytokines, anti-angiogenic factors and trophoblastic aponecrotic debris into the maternal circulation that causes the peripheral syndrome. Maternal and fetal constitutional factors may modulate how the placenta responds to the maternal vascular insult, and how the mother is affected by the placental factors released. However, the principal conclusion is that the difference between these two conditions lies in the severity of the initiating deficit in spiral arterial conversion, and the relative degrees of endoplasmic reticulum stress and oxidative stress induced in the placenta as a result.

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Crossref · 10.1016/j.placenta.2008.11.003

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Authors
Burton, G. J., Yung, H.-W., Cindrova-Davies, T., & Charnock-Jones, D. S.
Affiliations
University of Cambridge (GB)
Corresponding author
Burton, G.J.
Venue
Placenta
Publisher
Elsevier BV
Published
2009-03
Volume
30
Pages
43-48
ISSN
0143-4004 (ISSN-L)
OpenAlex
W2004055816
Cited by
502
References
57
Citations by year
2026: 21 · 2025: 19 · 2024: 30 · 2023: 34 · 2022: 38 · 2021: 37 · 2020: 40 · 2019: 31 · 2018: 26 · 2017: 36 · 2016: 25 · 2015: 28 · 2014: 36 · 2013: 20 · 2012: 26
FWCI
20.37
Type
journal article
Language
en
Open access
Locations
  • Placenta (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Wellcome Trust (069027/Z/02/Z)
  • National Institute for Health and Care Research
Topics
  • Health Sciences › Medicine › Obstetrics and Gynecology › Pregnancy and preeclampsia studies
  • Life Sciences › Immunology and Microbiology › Immunology › Reproductive System and Pregnancy
  • Health Sciences › Medicine › Psychiatry and Mental health › Neurological Complications and Syndromes
Keywords
endoplasmic reticulum stress, oxidative stress, fetal growth restriction, early-onset preeclampsia, placental malperfusion, inflammatory cytokines, anti-angiogenic factors, trophoblast apoptosis, placental pathology
MeSH terms
Endoplasmic Reticulum, Female, Fetal Growth Retardation, Humans, Placental Insufficiency, Pre-Eclampsia, Pregnancy, Uterus, Signal Transduction, Protein Folding, Oxidative Stress

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