PMID: 9642878Jun 27, 1998Paper

Trisomy 8 does not affect differentiative potential in a murine parthenogenetic embryonic stem cell line

The Japanese Journal of Veterinary Research
J I ParkH Kanagawa

Abstract

Murine parthenogenetic embryonic stem (ES) cell lines expressing lac Z reporter gene were isolated after co-transfection with lac Z reporter gene (pENL) and neo 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 neo 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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