Establishment of ES Cells from Inbred Strain Mice by Dual Inhibition (2i)
スポンサーリンク
概要
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A number of mouse ES cells from inbred strains have been established to date, but efficiency varies across the different strains. The 129 strain mouse is efficient to establish, whereas C57BL/6 and BALB/c strains are not. It is possible that their genetic backgrounds account for the difference in their ability to establish ES cell lines. In this study, we attempted to establish C57BL/6J and BALB/c Cr ES cells by dual inhibition (2i) using two inhibitors (PD0325901 and CHIR99021) of extracellular signal regulated-kinase (ERK) and glycogen synthase kinase-3 (GSK-3), which promote ES cell differentiation. The results revealed that the establishment efficiencies of C57BL/6J and BALB/c Cr ES cells were remarkably increased by 2i. These ES cells stably expressed pluripotent markers and generated high-contribution chimeras with germline transmission. Furthermore, we generated germline chimeras from C57BL/6J ES cells through the method of gene modification. These findings indicate that 2i is a powerful tool for establishing C57BL/6J and BALB/c Cr ES cells with the ability to generate germline chimeras.
著者
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Hiyama Eiso
Natural Science Center For Basic Research And Development Hiroshima University
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KANDA Akifumi
Natural Science Center for Basic Research and Development, Hiroshima University, Hiroshima 739-8511,
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SOTOMARU Yusuke
Natural Science Center for Basic Research and Development, Hiroshima University, Hiroshima 739-8511,
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SHIOZAWA Seiji
Central Institute for Experimental Animals, Kanagawa 210-0821, Japan
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Kanda Akifumi
Natural Science Center For Basic Research And Development Hiroshima University
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Shiozawa Seiji
Central Institute For Experimental Animals
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Sotomaru Yusuke
Natural Science Center For Basic Research And Development Hiroshima University
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HIYAMA Eiso
Natural Science Center for Basic Research and Development, Hiroshima University, Hiroshima 739-8511, Japan
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KANDA Akifumi
Natural Science Center for Basic Research and Development, Hiroshima University, Hiroshima 739-8511, Japan
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SOTOMARU Yusuke
Natural Science Center for Basic Research and Development, Hiroshima University, Hiroshima 739-8511, Japan
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- Establishment of ES Cells from Inbred Strain Mice by Dual Inhibition (2i)
- Establishment of ES Cells from Inbred Strain Mice by Dual Inhibition (2i)