Abstract
This study was performed to culture and preliminarily identify the primordial germ cells (PGCs) isolated from the genital ridge of the Mongolian sheep fetus. The growth characteristics of the sheep PGCs were detected in different culture systems such as culture media, resources, and state and passages of feeder cells. The obtained embryonic germ (EG) cells were identified by morphology, enzymology, and immunofluorescence. The results showed that the sheep EG cell colonies were ridgy, typically nest like, and compact, and had regular edges. Alkaline phosphatase staining reaction was weakly positive. EG cells expressed Kit, Rex-1, Nanog, and Oct-4. Immunofluorescence detection was weakly positive for Oct3/4, whereas positive for SSEA-1, SSEA-3, SSEA-4, TRA-1-61, and TRA-1-80.
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Funding was supplied by the Chinese National 863 Project (2008AA101005). The funder had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
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Editor: T. Okamoto
Chun Xia Liu, Wen Long Wang, and Rui Yuan Zhao contributed to the research equally.
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Liu, C.X., Wang, W.L., Zhao, R.Y. et al. Isolation, culture, and characterization of primordial germ cells in Mongolian sheep. In Vitro Cell.Dev.Biol.-Animal 50, 207–213 (2014). https://doi.org/10.1007/s11626-013-9695-0
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DOI: https://doi.org/10.1007/s11626-013-9695-0