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Epidermal growth factor receptor and human fetoplacental development
1Laboratoire de Physiopathologie du Développement, CNRS URA 1337, Ecole Normale Supérieure, Paris, France.
The Journal of Pediatric Endocrinology
|October 1, 1994
Summary
Epidermal growth factor receptor (EGFR) is crucial for placental development and fetal growth. Altered EGFR activity in the placenta may contribute to intrauterine growth retardation (IUGR).
Area of Science:
- Reproductive biology
- Developmental biology
- Cell signaling
Background:
- Placental development is critical for fetal growth.
- Epidermal growth factor (EGF) and its receptor (EGFR) are key regulators of placental functions.
- EGFR is a tyrosine kinase receptor found at the fetomaternal interface.
Purpose of the Study:
- To investigate the role of EGFR in placental development.
- To explore the association between EGFR activity and intrauterine growth retardation (IUGR).
Main Methods:
- Analysis of EGFR expression and activity in placental microvilli.
- Examination of factors modulating EGFR expression, such as trophoblast differentiation and toxins.
Main Results:
- EGFR is abundant in placental microvilli at the fetomaternal interface.
- EGFR expression is influenced by trophoblast differentiation, hormones, and toxins like smoke.
- Reduced tyrosine kinase activity of EGFR was observed in placentae from infants with IUGR.
Conclusions:
- Alterations in EGFR biological activity may impede fetoplacental unit development.
- EGFR dysfunction is a potential factor contributing to IUGR.
- Further research into EGFR signaling in placental disorders is warranted.