Title:
【発明の名称】胚性未分化細胞
Document Type and Number:
Japanese Patent JP3061480
Kind Code:
B2
Abstract:
PURPOSE:To provide an embryo-undifferentiated (ES) cell originated from a mouse of a strain other than 129 mouse and capable of efficiently producing descendant mice. CONSTITUTION:The objective embryo-undifferentiated (ES) cell originated from a 4-days embryo obtained by crossing a female of C57BL/6 mouse with a male of CBA mouse and characterized by the generation of chimera mouse from a 3-days embryo (8-cell embryo) and free from generation of chimera mouse from a 4-days embryo. The ES cell is e.g. TT2 embryo undifferentiated (ES) cell of FERM P-12971.
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Inventors:
Tomonaga Tomoyuki
Shinichi Aizawa
Yoji Igawa
Shinichi Aizawa
Yoji Igawa
Application Number:
JP15859392A
Publication Date:
July 10, 2000
Filing Date:
May 26, 1992
Export Citation:
Assignee:
RIKEN
International Classes:
C12N5/07; C12N5/073; A01K67/027; (IPC1-7): A01K67/027; C12N5/06
Other References:
JPN.ANIM.REPROD=1991
Attorney, Agent or Firm:
Hisao Shiozawa