Genetic modification of the germline cells, Culture of germline cells, In vitro spermatogenesis
Overview of the research
Our long-term goal is to use spermatogonial stem cells for genetic modification. We have recently succeeded in long-term culture of mouse spermatogonial stem cells. Due to their unique morphology, we named them germline stem (GS) cells. GS cells have several advantages over ES cells. First, although ES cells are only available during the embryonic period, GS cells can be derived from postnatal animals. Second, they are not tumorigenic and committed to the germline lineage. Given that ES cells with germline potential have been obtained only from mice, our GS cell technology may resolve current challenges with ES cells and greatly contribute to the development of new transgenic technologies. We are now trying 1) to modify the genome of GS cells and 2) to derive GS cells from other animal species.
Research Areas
Life sciences, Laboratory animal science
Papers
Restoration of fertility in nonablated recipient mice after spermatogonial stem cell transplantation.
Production of knockout mice by random or targeted mutagenesis in spermatogonial stem cells
M Kanatsu-Shinohara; M Ikawa; M Takehashi; N Ogonuki; H Miki; K Inoue; Y Kazuki; J Lee; S Toyokuni; M Oshimura; A Ogura; T Shinohara
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, May 2006, Peer-reviewed
Culture and genetic modification of male mouse germline stem cells.
Takashi Shinohara; Mito Kanatsu-Shinohara
BIOLOGY OF REPRODUCTION, 2006
用語解説:GS細胞
竹橋正則; 篠原美都; 篠原隆司
分子細胞治療, 2006
Hematopoietic development of multipotent germline stem cells derived from neonatal mouse testis in vitro and in vivo.
M Yoshimoto; T Heike; H Chang; S Baba; H Fujino; MK Shinohara; T Shinohara; T Nakahata
BLOOD, Nov. 2005
Culture of mouse male germline stem cells
Takashi Shinohara
International Symposium on “Germ Cells, Epigenetics, Reprogramming and Embryonic Stem Cells” November 15-18, 2005 at Kyoto University, 2005, Peer-reviewed