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Related Concept Videos

Fetal Circulation01:14

Fetal Circulation

Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
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The 4-vessel Sampling Approach to Integrative Studies of Human Placental Physiology In Vivo
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Published on: August 2, 2017

Deciphering the maternal uterine signals that shape placenta development.

Jacob R Beal1, Purba Mukherjee1, Indrani C Bagchi2

  • 1Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, IL, United States.

Reproduction (Cambridge, England)
|May 6, 2026
PubMed
Summary

Maternal uterine signals critically regulate placental development by influencing trophoblast differentiation and invasion. Decidual factors and immune cell interactions orchestrate pregnancy success, with potential biomarkers for placental health.

Keywords:
endometriumimplantationplacentatrophoblastuterus

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Area of Science:

  • Reproductive biology
  • Developmental biology
  • Immunology

Background:

  • The placenta is vital for maternal-fetal exchange, formed by trophoblast cells.
  • Trophoblast development relies on embryonic signals but increasingly on maternal factors.
  • Maternal decidual signals are essential for orchestrating placental development.

Purpose of the Study:

  • To review the role of maternal uterine signals in placental development.
  • To examine decidua-derived factors in trophoblast lineage specification and invasion.
  • To explore maternal-fetal crosstalk and immune cell interactions in placentation.

Main Methods:

  • Review of existing literature on maternal influences on placentation.
  • Analysis of conditional knockout mouse models.
  • Examination of decidual-secreted factors and immune cell interplay.

Main Results:

  • Maternal decidual signals direct trophoblast lineage specification and invasion.
  • Crosstalk between maternal and fetal signals regulates trophoblast invasion timing and extent.
  • Maternal immune cells support immune tolerance and mediate trophoblast invasion/vascular remodeling.

Conclusions:

  • Maternal uterine signals are crucial for successful placentation.
  • Decidual extracellular vesicles show potential as non-invasive biomarkers for pregnancy health.
  • Understanding maternal influences is key for addressing placental dysfunction.