Establishment of Rat Embryonic Stem Cells and Making of Chimera Rats
Author Information
Author(s): Ueda Shinobu, Kawamata Masaki, Teratani Takumi, Shimizu Taku, Tamai Yoshitaka, Ogawa Hiromasa, Hayashi Katsuyuki, Tsuda Hiroyuki, Ochiya Takahiro
Primary Institution: National Cancer Center Research Institute, Tokyo, Japan
Hypothesis
Can rat embryonic stem cells be established and used to create chimera rats?
Conclusion
The study successfully established pluripotent rat embryonic stem cell lines capable of producing chimera rats.
Supporting Evidence
- Two independent rat embryonic stem cell lines were established from Wistar rat blastocysts.
- The established rES cells maintained a normal karyotype over multiple passages.
- The rES cells were capable of differentiating into derivatives of all three embryonic germ layers.
- Chimera rats were successfully produced using the established rES cells.
Takeaway
Scientists created special cells from rat embryos that can turn into any type of cell and even help make new rats with mixed genes.
Methodology
Rat blastocysts were cultured to establish embryonic stem cell lines, which were then tested for pluripotency and ability to produce chimeras.
Limitations
The study did not explore the long-term stability of the established cell lines beyond 18 passages.
Participant Demographics
Wistar rats were used as the source of blastocysts.
Digital Object Identifier (DOI)
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