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Related Experiment Video

Updated: Jun 7, 2026

Single Cell Collection of Trophoblast Cells in Peri-implantation Stage Human Embryos

Single Cell Collection of Trophoblast Cells in Peri-implantation Stage Human Embryos

Published on: June 12, 2020

Bioengineering anembryonic human trophoblast vesicles.

Jared C Robins¹, Jeffrey R Morgan, Paula Krueger

¹Departments of Obstetrics and Gynecology, Warren Alpert Medical School at Brown University, Providence, RI 02067, USA. JRobins@wihri.org

Reproductive Sciences (Thousand Oaks, Calif.)

|October 28, 2010

Summary

Researchers developed a novel 3D trophoblast bioreactor to study placental cell interactions. This system cultivates trophoblast vesicles, offering new insights into cellular communication and potential microtissue formation.

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Area of Science:

Biomedical Engineering
Cell Biology
Reproductive Science

Background:

Traditional 2D cell cultures limit the study of complex 3D trophoblast cell interactions.
In vivo, trophoblast cells form intricate 3D structures crucial for placental development.

Purpose of the Study:

To develop and characterize a novel 3D trophoblast bioreactor system.
To investigate trophoblast cell behavior and interactions in a 3D environment.

Main Methods:

Utilized computer-assisted prototyping to create nonadhesive agarose hydrogels.
Cultured trophoblast cells within the 3D hydrogel system for 10 days.
Assessed cell morphology, viability, and vesicle formation using confocal and electron microscopy.

Main Results:

Trophoblast cells self-assembled into uniform spheroids within the 3D culture.
Observed central vacuolization and a consistent outer rim (12.3 μm thick) in cultured trophoblast vesicles.
Confirmed vesicle migration and invasion of basement membrane on fibronectin-coated surfaces.

Conclusions:

A novel substrate-free 3D system successfully generated trophoblast vesicles.
This 3D bioreactor facilitates the study of placental cell-to-cell interactions.
The technique holds potential for creating functional placental microtissues.