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Protocol for Human Blastoids Modeling Blastocyst Development and Implantation
Published on: August 10, 2022
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Blastocyst complementation: current progress and future directions in xenogeneic organogenesis.
Paula Barlabé1, Xabier L Aranguren2, Giulia Coppiello3
1Biomedical Engineering Program, Enabling Technologies Division, CIMA Universidad de Navarra, 31008, Pamplona, Spain.
Stem Cell Research & Therapy
|June 23, 2025
Summary
Blastocyst complementation enables organ generation from pluripotent stem cells within embryos. This technique shows promise for creating human organs in livestock, addressing transplant shortages.
Area of Science:
- Developmental Biology
- Regenerative Medicine
- Xenotransplantation
Background:
- Pluripotent stem cells can differentiate into various cell types.
- Organogenesis-disabled embryos can be utilized for organ generation.
- Interspecies blastocyst complementation offers a potential solution for organ transplantation.
Purpose of the Study:
- To review the progress of blastocyst complementation techniques.
- To highlight challenges in advancing blastocyst complementation for organ generation.
Main Methods:
- Introduction of pluripotent stem cells into organogenesis-disabled pre-implantation embryos.
- Utilizing in vivo environmental signals for donor cell differentiation.
- Interspecies application of blastocyst complementation.
Main Results:
- Demonstrated successful organ generation from pluripotent stem cells in vivo.
- Identified potential for producing human organs in genetically engineered livestock.
Conclusions:
- Blastocyst complementation is a viable strategy for generating organs.
- Further research is needed to overcome key challenges for clinical application.
