Trisomy 8 does not affect differentiative potential in a murine parthenogenetic embryonic stem cell line
1998
Park, J.I. (Hokkaido Univ., Sapporo (Japan)) | Yoshida, I. | Tada, T. | Takagi, N. | Takahashi, Y. | Kanagawa, H.
Murine parthenogenetic embryonic stem (ES) cell lines expressing lac zeta reporter gene were isolated after co-transfection with lac zeta reporter gene (pENL) and neoR gene (pSTneo) to TMA-48P cell line of 129/Sv origin. Karyotype analyses showed that all of four transfected cell lines examined contained 41 chromosomes with trisomy 8. Bacterial neoR transgene required for G418 selection were integrated into several chromosomes including chromosome 8. Histological studies of teratomas formed in syngenic mice and embryoid bodies grown in vitro showed that the differentiative potential remained almost identical in chromosomally normal parental cell line and its derivative cell lines trisomic for chromosome 8
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