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Cell Reprogram. 2010 Oct;12(5):571-9. doi: 10.1089/cell.2009.0118.

The efficient generation of cell lines from bovine parthenotes.

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Centre for Reproduction and Development, Monash Institute of Medical Research, VIC, Australia.


The generation of embryonic stem cell (ESC) lines from parthenogenetically activated oocytes can provide transplantable cells, which are immunocompatible for the oocyte donors as well as an invaluable tool for genetic engineering and epigenetic studies. We report the efficient isolation of eight putative bovine parthenogenetic embryonic stem cell (bpESC) lines from 15 in vitro produced parthenotes. Five of these cell lines were maintained for more than 15 passages (>140 days) and analyzed. The cells displayed typical ESC morphology, stained positive for alkaline phosphate by histochemical staining, expressed Oct4, Nanog, and either stage-specific embryonic antigens, SSEA1, or SSEA4, detected by immunofluorescence staining. RT-PCR analysis of the cells demonstrated expression of Oct4, Rex1, SSEA1, and ALP. All the cell lines except one had a normal karyotype of 60, XX. The cells differentiated in suspension culture to form embryoid bodies (EBs) expressing markers of the three embryonic germ layers as assessed by RT-PCR. In conclusion, we report efficient derivation of putative ESCs from bovine parthenogenetic embryos. The cells express pluripotent markers, have the ability to form EBs, and differentiate into cells of the three embryonic germ layers. This is the first report of characterized putative parthenogenetic bovine ESC lines.

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