Cited by 65Pregnancy and preeclampsia studiesReproductive System and PregnancyPreterm Birth and Chorioamnionitis

Fetal-derived adrenomedullin mediates the innate immune milieu of the placenta

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Li, Manyu, Schwerbrock, Nicole M.J., Lenhart, Patricia M., Fritz-Six, Kimberly L., Kadmiel, Mahita, Christine, Kathleen S., Kraus, Daniel M., Espenschied, Scott T. +3 more·2013·Journal of Clinical Investigation

Abstract

The remodeling of maternal uterine spiral arteries (SAs) is an essential process for ensuring low-resistance, high-capacitance blood flow to the growing fetus. Failure of SAs to remodel is causally associated with preeclampsia, a common and life-threatening complication of pregnancy that is harmful to both mother and fetus. Here, using both loss-of-function and gain-of-function genetic mouse models, we show that expression of the pregnancy-related peptide adrenomedullin (AM) by fetal trophoblast cells is necessary and sufficient to promote appropriate recruitment and activation of maternal uterine NK (uNK) cells to the placenta and ultimately facilitate remodeling of maternal SAs. Placentas that lacked either AM or its receptor exhibited reduced fetal vessel branching in the labyrinth, failed SA remodeling and reendothelialization, and markedly reduced numbers of maternal uNK cells. In contrast, overexpression of AM caused a reversal of these phenotypes with a concomitant increase in uNK cell content in vivo. Moreover, AM dose-dependently stimulated the secretion of numerous chemokines, cytokines, and MMPs from uNK cells, which in turn induced VSMC apoptosis. These data identify an essential function for fetal-derived factors in the maternal vascular adaptation to pregnancy and underscore the importance of exploring AM as a biomarker and therapeutic agent for preeclampsia.

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  1. [54]Manaster I, Mandelboim O. The unique properties of uterine NK cells. Am J Reprod Immunol . 2010; 63(6):434-444.

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Authors
Li, M., Schwerbrock, N. M. J., Lenhart, P. M., Fritz-Six, K. L., Kadmiel, M., Christine, K. S., Kraus, D. M., Espenschied, S. T., Willcockson, H. H., Mack, C. P., & Caron, K. M.
Affiliations
  • University of North Carolina at Chapel Hill (US)
  • Duke University (US)
Corresponding author
Caron, Kathleen M.
Venue
Journal of Clinical Investigation
Published
2013-05-01
Volume
123
Issue
6
Pages
2408-2420
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2127222493
Cited by
65
References
70
Citations by year
2026: 2 · 2025: 6 · 2024: 1 · 2023: 3 · 2022: 3 · 2021: 4 · 2020: 7 · 2019: 6 · 2018: 4 · 2017: 7 · 2016: 2 · 2015: 5 · 2014: 13 · 2013: 2
FWCI
8.21
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • UNC Libraries
Funders
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (R01HL070953, R01HL109607, R01HL091973)
  • National Cancer Institute (P30CA016086)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD46970, HD-060860, R01HD046970, ARRA-HD060860-01S1, R01HD060860)
Topics
  • Health Sciences › Medicine › Obstetrics and Gynecology › Pregnancy and preeclampsia studies
  • Life Sciences › Immunology and Microbiology › Immunology › Reproductive System and Pregnancy
  • Health Sciences › Medicine › Epidemiology › Preterm Birth and Chorioamnionitis
Keywords
adrenomedullin, spiral artery remodeling, preeclampsia, uterine NK cells, trophoblast, placenta, maternal-fetal interface, innate immunity, vascular smooth muscle cell apoptosis, chemokines, matrix metalloproteinases, re-endothelialization, biomarkers
MeSH terms
Animals, Decidua, Female, Fetus, Humans, Immunity, Innate, Killer Cells, Natural, Male, Maternal-Fetal Exchange, Mice, Inbred C57BL, Muscle, Smooth, Vascular, Phenotype, Placenta, Pre-Eclampsia, Pregnancy, Trophoblasts, Giant Cells, Apoptosis, Mice, Knockout, Chemokines, Matrix Metalloproteinase 2, Matrix Metalloproteinase 9, Myocytes, Smooth Muscle, Mice, Adrenomedullin, Mice, 129 Strain, Receptors, Adrenomedullin, Calcitonin Receptor-Like Protein

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