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Poult Sci. 2019 Feb 1;98(2):566-572. doi: 10.3382/ps/pey410.

Isolation, characterization and germline chimera preparation of primordial germ cells from the Chinese Meiling chicken.

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Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Science, Hangzhou 310021, P. R. China.


Primordial germ cells (PGCs) are precursors of germline cells that can generate sperm and eggs in adults, making them promising tools for transgenic animal preparation and germplasm preservation, especially in avians. In this study, we purified the PGCs from circulating embryonic blood of Chinese Meiling chickens using Nycodenz density centrifugation, and characterized them by alkaline phosphatase (AKP) staining, periodic acid-Schiff (PAS) staining and stage-specific embryonic antigen-1 (SSEA-1) immunostaining and PGC-specific gene amplification. The purified PGCs were also labeled with PKH26 and transferred into donor chicken embryos at the Hamburger-Hamilton (HH) stage 14 to 16, and cells with red fluorescence were observed in the gonads of 8-d-old embryos. When using about 200 PGCs isolated from Chinese Meiling chickens, microinjection into the dorsal aortas of recipient chickens with white feathers at stage HH14 to 16 resulted in germline chimeras that hatched and attained sexual maturity. The frequency of donor-derived yellow-feathered offspring from germline chimeric chickens was 12.6 ± 2.6% after mating with the white-feathered chickens. These results demonstrate that we had successfully purified the PGCs from the Chinese Meiling chicken. These germline cells could be used to preserve Chinese Meiling chickens.


Chinese Meiling chicken; germline chimera preparation; primordial germ cells; separation and purification

[Indexed for MEDLINE]

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