Nanog^(βgeo/+)ES <a href="http://www.cira.kyoto-u.ac.jp/" target="_blank">http://www.cira.kyoto-u.ac.jp/</a> A subline of mouse embryonic stem cell (RF8 derived from 129 SV Jae strain mouse). Nanog gene was replaced with βgeo gene in one allele. マウス胚性幹細胞（RF8: 129 SV Jae1系統由来）亜株。Nanog遺伝子の片方（一方の遺伝子座）がβgeo遺伝子と置換されている（Nanog遺伝子の転写活性でβgeo遺伝子が発現）。 AES0121 Yamanaka, Shinya 1) The RECIPIENT belongs to a not-for-profit academic organization (i.e., a university or another institution of higher education or any nonprofit scientific or educational organization, including government agencies). 2) Attach <a href='http://cell.brc.riken.jp/en/wp-content/uploads/restriction/AES0121en.pdf' target="_blank">TERMS and CONDITIONS</a> to MTA (C-0034) . 1) 利用者は学術機関に所属している者に限る。2) <a href='http://cell.brc.riken.jp/ja/wp-content/uploads/restriction/AES0121.pdf' target="_blank">別紙1</a>を提供同意書 (C-0028) に添付すること。