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Generation of Chimeric Axolotls with Mutant Haploid Limbs Through Embryonic Grafting
Published on: January 29, 2020
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[Interspecies systemic chimeras].
Pierre Savatier1, Irène Aksoy1
1Université Lyon 1, unité Inserm 1208, Cellules souches et cerveau (Stem Cell and Brain Research Institute, SBRI), 18 avenue Doyen Lépine, 69500 Bron, France.
Medecine Sciences : M/S
|October 14, 2021
Summary
Scientists are creating advanced inter-species chimeras using pluripotent stem cells. These "systemic" chimeras, involving all organs including the germline, open new research and medical possibilities.
Area of Science:
- Developmental Biology
- Stem Cell Research
- Chimerism
Background:
- Inter-species chimeras have historically been mythological creatures and research tools.
- Recent breakthroughs in pluripotent stem cells have enabled the creation of systemic chimeras.
Purpose of the Study:
- To review the latest advancements in inter-species chimera research.
- To discuss developmental complementation and equivalence concepts.
- To explore methodological, biological, and ethical challenges.
Main Methods:
- Utilizing advances in pluripotent stem cell technology.
- Creating chimeric embryos and fetuses with cells from different species.
- Analyzing cell mixing across all organs, including the germline.
Main Results:
- Development of systemic inter-species chimeras involving all organs.
- Potential for new research avenues and medical applications.
- Identification of key concepts like developmental complementation and equivalence.
Conclusions:
- Systemic chimeras represent a significant leap in inter-species chimera research.
- Further research is needed to overcome methodological hurdles.
- Careful consideration of biological and ethical implications is crucial.
