Abstract
To generate mutant mice, embryonic stem (ES) cells are used as a vehicle for introducing mutations. The establishment of ES cells is diffucult because it requires specific skills and it is time-consuming. We established a novel ES cell line derived from hybrid mice between C57BL/6 and DBA/2 using a modified method. To collect a large number of preimplantational embryos, we collected embryos at the 8-cell stage and cultured them to blastocysts, whereas the usual procedure of preparing the delayed blastocysts demands technical skills. To eliminate unnecessary female cells at an initial stage of inner cell mass culture, male clones were selected by polymerase chain reaction to detect the mouseSry gene. The established ES cell line efficiently contributed to the germ-line when injected into 8-cell embryos of ICR mice. This potency was maintained after manipulation throughout gene targeting.
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Abbreviations
- DMEM:
-
Dulbecco's modified Eagle's medium
- FBS:
-
fetal bovine serum
- FIAU:
-
1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-iodouracil
- LIF:
-
leukemia inhibitory factor
- NEAA:
-
non-essential amino acids
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Tojo, H., Nishida, M., Matsuoka, K. et al. Establishment of a novel embryonic stem cell line by a modified procedure. Cytotechnology 19, 161–165 (1995). https://doi.org/10.1007/BF00749771
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DOI: https://doi.org/10.1007/BF00749771