Low immunogenicity of mouse induced pluripotent stem cell-derived neural stem/progenitor cells

Go Itakura, Masahiro Ozaki, Narihito Nagoshi, Soya Kawabata, Yuichiro Nishiyama, Keiko Sugai, Tsuyoshi Iida, Rei Kashiwagi, Toshiki Ookubo, Kaori Yastake, Kohei Matsubayashi, Jun Kohyama, Akio Iwanami, Morio Matsumoto, Masaya Nakamura, Hideyuki Okano

研究成果: Article査読

20 被引用数 (Scopus)


Resolving the immunogenicity of cells derived from induced pluripotent stem cells (iPSCs) remains an important challenge for cell transplant strategies that use banked allogeneic cells. Thus, we evaluated the immunogenicity of mouse fetal neural stem/progenitor cells (fetus-NSPCs) and iPSC-derived neural stem/progenitor cells (iPSC-NSPCs) both in vitro and in vivo. Flow cytometry revealed the low expression of immunological surface antigens, and these cells survived in all mice when transplanted syngeneically into subcutaneous tissue and the spinal cord. In contrast, an allogeneic transplantation into subcutaneous tissue was rejected in all mice, and allogeneic cells transplanted into intact and injured spinal cords survived for 3 months in approximately 20% of mice. In addition, cell survival was increased after co-treatment with an immunosuppressive agent. Thus, the immunogenicity and post-transplantation immunological dynamics of iPSC-NSPCs resemble those of fetus-NSPCs.

ジャーナルScientific reports
出版ステータスPublished - 2017 12月 1

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