Research Project
Grant-in-Aid for Scientific Research (C)
Recently, we identified the structurally related EGAM1 homeoproteins in both preimplantation mouse embryos and embryonic stem (ES) cells. In this study, we investigated the roles of EGAM1 homeoproteins in the progression of embryogenesis. We generated mouse ES cell lines stably expressing respective EGAM1 homeoproteins. From these ES cell-transfectants expressing exogenous EGAM1N or EGAM1C, trophoblast stem (TS) like-cells were induced. This suggests that EGAM1N and EGAM1C are crucial for formation or maintenance of the trophectoderm in preimplantation embryos. In addition, EGAM1N can partially substitute for the functions of Klf4 in the generation of mouse iPS cells, suggesting that EGAM1N probably support the formation or maintenance of inner cell mass. These results suggest that EGAM1 homeoproteins are crucial for the progression of embryogenesis.
EGAM1ホメオタンパク質群は初期胚に含まれる胎仔前駆細胞と胎盤前駆細胞の維持もしくは形成に重要であることより,初期胚の形成とその後の胚着床に重要である。すなわち,初期胚全体の形成もしくは維持に関与する,稀な転写因子であると考えられる。これらのことより,EGAM1ホメオタンパク質群の発現異常は,初期流産の一因になると考えられる。本研究の発展は,産婦人科領域・産業動物の生産等,人類の持続的な発展に大きく寄与する。
All 2020 2019 2018 2017 2016 Other
All Journal Article (8 results) (of which Int'l Joint Research: 3 results, Peer Reviewed: 8 results, Open Access: 5 results, Acknowledgement Compliant: 3 results) Presentation (28 results) (of which Int'l Joint Research: 2 results) Remarks (2 results)
Biotechnology & Biotechnological Equipment
Volume: 33 Issue: 1 Pages: 498-503
10.1080/13102818.2019.1590161
Biotechnology and Biotechnological Equipment
Volume: 32 Issue: 3 Pages: 646-652
10.1080/13102818.2018.1447396
In Vitro Cellular & Developmental Biology - Animal
Volume: 53 Issue: 2 Pages: 93-95
10.1007/s11626-016-0091-4
Appl. Microbiol. Biotechnol
Volume: - Issue: 10 Pages: 4259-4268
10.1007/s00253-017-8189-5
宮城県獣医師会会報
Volume: 70 Pages: 186-191
Analytical Biochemistry
Volume: 509 Pages: 41-45
10.1016/j.ab.2016.06.032
Cytotechnology
Volume: 68 Issue: 6 Pages: 2431-2436
10.1007/s10616-016-9961-6
東北畜産学会報
Volume: 66 Pages: 16-22
http://www.akita-pu.ac.jp/bioresource/dbt/biochem/makoba/index.html
https://www.akita-pu.ac.jp/bioresource/dbt/biochem/makoba/index.html