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Highly efficient construction of monkey blastoid capsules from aged somatic cells.
Junmo Wu1,2, Tianao Shao1,2, Zengli Tang1,2,3
1State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China.
Nature Communications
|January 28, 2025
Summary
Researchers efficiently generated monkey blastoids, crucial models for early embryonic development, using reprogrammed aged somatic cells. A novel microfluidics platform enhances scalable production for regenerative medicine applications.
Area of Science:
- Developmental Biology
- Stem Cell Biology
- Regenerative Medicine
Background:
- Blastoids, in vitro blastocyst-like structures, are vital for studying early embryonic development.
- Non-human primate blastoids offer an ethical alternative to human models, but low formation efficiency (<30%) has limited their use.
- Previous studies primarily used embryonic stem cells, necessitating alternative sources.
Purpose of the Study:
- To improve the efficiency and scalability of generating monkey blastoids.
- To develop a novel platform for producing blastoid capsules.
- To explore the use of reprogrammed aged somatic cells for blastoid generation.
Main Methods:
- Generation of blastoids from induced pluripotent stem cells and somatic cell nuclear transfer embryonic stem cells derived from aged monkeys.
- Utilized a hydrogel-based microfluidics platform for scalable and reproducible blastoid capsule production.
- Characterized the size-adjustable, biodegradable blastoid capsules for structural stability and mechanical protection.
Main Results:
- Achieved a high blastoid formation efficiency of 80% from reprogrammed aged somatic cells.
- Successfully produced scalable, reproducible, size-adjustable, and biodegradable blastoid capsules.
- Demonstrated the utility of the microfluidics platform for enhanced blastoid generation.
Conclusions:
- High-efficiency generation of monkey blastoids from reprogrammed aged somatic cells is feasible.
- The microfluidics platform enables scalable and reproducible production of functional blastoid capsules.
- This advancement significantly improves early embryonic development research and holds potential for regenerative medicine.
