A new embryonic stem cell line with germ-line competence in the FvB/N background

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A new embryonic stem (ES) cell line, H3, has been established from a 3.5-day p.c. blastocyst of the 129/sv strain of mice. The degree of germ-line competence of this cell line was compared with that of J1 sublines in the FvB/N host background, an albino inbred strain which is preferably used in the generation of transgenic mice via pronucleus injection. All chimeras of the FvB/N background derived from H3 or J1 cells showed a low degree coat color chimerism. However, contrary to the previous report on the germ-line incompatibity of the FvB/N strain with 129-derived ES cells, H3 cells gave germ line transmissions in five out of six FvB/N based chimeras. This property of H3 cells contrasted with those of J1 cells which did not give any significant germ line transmission from chimeras made in the same FvB/N host whereas they were efficient in forming a germ-line chimerism in the C 57BL/6J background. These results conform to the previous observations by others that the germ-line compatibility of ES cells with a host strain is dependent on clonal lines. FvB/N mice are known to be a robust breeder and the females respond well to hormone-induced superovulation yielding a large number of germ-line compatible blastocysts. Such advantages of FvB/N may be utilized in the study of gene targeting when this host is combined with H3 ES cells, and will results in saving costs and efforts required for such experiments.
Publisher
KOREAN SOC MOLECULAR & CELLULAR BIOLOGY
Issue Date
1996-10
Language
English
Article Type
Article
Citation

MOLECULES AND CELLS, v.6, no.5, pp.577 - 581

ISSN
1016-8478
URI
http://hdl.handle.net/10203/280966
Appears in Collection
BS-Journal Papers(저널논문)
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