Settlement of Quail Primordial Germ Cells in Chicken Gonads

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  • ONO Tamao
    Faculty of Agriculture, Shinshu University
  • YOKOI Ryohei
    Faculty of Agriculture, Shinshu University Toxicology Laboratories, Kissei Pharmaceutical Co. Ltd.
  • MAEDA Seishi
    Faculty of Agriculture, The University of Tokyo Hyogo College of Medicine
  • NISHIDA Takao
    College of Bioresource Sciences, Nihon University
  • AOYAMA Hirohiko
    JT Biohistory Research Hall

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Other Title
  • ウズラ始原生殖細胞のニワトリ生殖腺への移住
  • Settlement of Quail Primordial Germ Cel

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Abstract

We transfused circulating primordial germ cells (PGCs) of quail embryos into chick embryos. To distinguish between quail and chick PGCs, we evaluated three monoclonal antibodies (mAbs), QCR 1, QB 2 and 2 C 9. QCR 1 and QB 2 were quail-specific mAbs and 2 C 9 was a chick-specific mAb, showing development-specific expression. Chick embryos transfused with quail PGCs were observed at stage 29 of Hamburger and Hamilton's developmental standard. Transferred quail PGCs settled in the gonads and constituted 14.2% of total PGCs in the gonad. A transfused male hatchling contained two populations of spermatogonia, derived from exogenous quail and endogenous chick PGCs.

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