Cited by 169Birth, Development, and HealthPregnancy and preeclampsia studiesEstrogen and related hormone effects

The DOI matches its Crossref record; 36 of the 37 references it cites were found in a registry or an index.

Altered Placental Function of 11β-Hydroxysteroid Dehydrogenase 2 Knockout Mice

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Abstract

Fetal glucocorticoid exposure is a key mechanism proposed to underlie prenatal "programming" of adult cardiometabolic and neuropsychiatric disorders. Regulation of fetal glucocorticoid exposure is achieved by the placental glucocorticoid "barrier," which involves glucocorticoid inactivation within the labyrinth zone of the murine placenta by 11beta-hydroxysteroid dehydrogenase 2 (11beta-HSD2). Thus, the absence of placental 11beta-HSD2 may impact on fetal and placental development. The current study investigated transport of amino acids and glucose, key factors required for fetal growth, and vascular development in placentas from 11beta-HSD2(+/+), (+/-), and (-/-) fetuses derived from 11beta-HSD2(+/-) matings. At embryonic d 15 (E15) (term = E19), 11beta-HSD2(-/-) fetal weight was maintained in comparison to 11beta-HSD2(+/+) fetuses. The maintenance of 11beta-HSD2(-/-) fetal weight occurred despite a reduction in placental weight, suggesting that compensatory changes occur in the placenta to maintain function. However, by E18, 11beta-HSD2(-/-) fetal and placental weights were both reduced. Transport studies revealed up-regulation of placental amino acid transport to 11beta-HSD2(-/-) offspring at E15, coinciding with an increase in the expression of the amino acid transporters. Furthermore, at E18, placental glucose transport to 11beta-HSD2(-/-) offspring was markedly reduced, correlating with lower fetal weight and a decrease in glucose transporter 3 expression. Stereological analyses of the labyrinth zone of the placenta revealed that the reduction in placental weight at E18 was associated with restriction of the normal increase in fetal vessel density over the final third of pregnancy. Our data suggest that restriction of fetal growth in 11beta-HSD2(-/-) mice is mediated, at least in part, via altered placental transport of nutrients and reduction in placental vascularization.

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Crossref · 10.1210/en.2008-1100

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  1. Newnham, 1999, Maternal, but not fetal, administration of corticosteroids restricts fetal growth., J Matern Fetal Med, 8, 81

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Metadata

Authors
Wyrwoll, C. S., Seckl, J. R., & Holmes, M. C.
Affiliations
The Queen's Medical Research Institute (GB)
Corresponding author
Wyrwoll, Caitlin S.
Venue
Endocrinology
Published
2008-10-09
Volume
150
Issue
3
Pages
1287-1293
ISSN
  • 0013-7227 (ISSN-L)
  • 1945-7170
OpenAlex
W2165037530
Cited by
169
References
37
Citations by year
2026: 5 · 2025: 5 · 2024: 3 · 2023: 8 · 2022: 13 · 2021: 7 · 2020: 5 · 2019: 8 · 2018: 9 · 2017: 11 · 2016: 16 · 2015: 11 · 2014: 11 · 2013: 12 · 2012: 14
FWCI
8.99
Type
journal article
Language
en
Open access
Locations
  • Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • UWA Profiles and Research Repository (UWA) (submittedVersion)
Funders
Wellcome Trust (079009)
Topics
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Birth, Development, and Health
  • Health Sciences › Medicine › Obstetrics and Gynecology › Pregnancy and preeclampsia studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Endocrinology › Estrogen and related hormone effects
Keywords
11β-hydroxysteroid dehydrogenase type 2, fetal glucocorticoid exposure, fetal growth restriction, amino acid transport, glucose transport, GLUT3, placental vascularization, placental labyrinth zone, fetal programming, knockout mice
MeSH terms
Amino Acids, Animals, Biological Transport, Blood Glucose, Embryo, Mammalian, Female, Fetal Growth Retardation, Glucose, Male, Maternal-Fetal Exchange, Mice, Inbred C57BL, Organ Size, Placenta, Placenta Diseases, Pregnancy, Mice, Knockout, Fetal Weight, Placental Circulation, 11-beta-Hydroxysteroid Dehydrogenase Type 2, Mice

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