Monkey Embryonic Stem Cell Lines Expressing Green Fluorescent Protein

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Abstract:



The major limitation of nonhuman primate (NHP) embryonic stem (ES) cell research is inefficient genetic modification and limited knowledge of differentiation mechanisms. A genetically modified NHP-ES cell with biomarkers, such as green fluorescent protein (GFP), that allow noninvasive monitoring of transgenic cells, is a useful tool to study cell differentiation control during preimplantation and fetal development, which also plays a crucial role in the development of cell transplantation medicine. Here we report the establishment of transgenic NHP-ES cell lines that express GFP without jeopardizing their pluripotency, which was confirmed by in vitro and in vivo differentiation. These GFP-expressing ES cells reproducibly differentiated into embryoid bodies, neural cells, and cardiac myocytes. They formed teratoma composed of tissues derived from the three embryonic germ layers when transplanted into severe combined immunodeficient disease (SCID) mice. GFP expression was maintained in these differentiated cells, suggesting that these cells were useful for cell transplantation experiments. Furthermore, we showed that these ES cells have the ability to form chimeric blastocysts by introducing into the early preimplantation stage NHP embryo.

Keywords: Key words: Nonhuman primate; Cynomolgus monkey; Em

Document Type: Research Article

DOI: http://dx.doi.org/10.3727/000000002783985350

Affiliations: 1: *Department of Experimental Radiology for Animal Life Science, Shiga University of Medical Science, Ohtsu, Shiga, 520-2192, Japan 2: ‡Discovery Research Laboratory, Tanabe Seiyaku Co., Ltd., Osaka 532-8505, Japan 3: †Research Center for Animal Life Science, Shiga University of Medical Science, Ohtsu, Shiga, 520-2192, Japan

Publication date: January 1, 2002

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  • Cell Transplantation publishes original, peer-reviewed research and review articles on the subject of cell transplantation and its application to human diseases. To ensure high-quality contributions from all areas of transplantation, separate section editors and editorial boards have been established. Articles deal with a wide range of topics including physiological, medical, preclinical, tissue engineering, and device-oriented aspects of transplantation of nervous system, endocrine, growth factor-secreting, bone marrow, epithelial, endothelial, and genetically engineered cells, among others. Basic clinical studies and immunological research papers are also featured. To provide complete coverage of this revolutionary field, Cell Transplantation will report on relevant technological advances, and ethical and regulatory considerations of cell transplants. Cell Transplantation is now an Open Access journal starting with volume 18 in 2009, and therefore there will be an inexpensive publication charge, which is dependent on the number of pages, in addition to the charge for color figures. This will allow work to be disseminated to a wider audience and also entitle the corresponding author to a free PDF, as well as prepublication of an unedited version of the manuscript.
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