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Title: Medaka embryonic stem cells are capable of generating entire organs and embryo-like miniatures
Authors: Hong, N.
He, B.P.
Schartl, M.
Hong, Y. 
Issue Date: 1-Mar-2013
Citation: Hong, N., He, B.P., Schartl, M., Hong, Y. (2013-03-01). Medaka embryonic stem cells are capable of generating entire organs and embryo-like miniatures. Stem Cells and Development 22 (5) : 750-757. ScholarBank@NUS Repository.
Abstract: Embryonic stem (ES) cells have the potency to produce many cell types of the embryo and adult body. Upon transplantation into early host embryos, ES cells are able to differentiate into various specialized cells and contribute to host tissues and organs of all germ layers. Here we present data in the fish medaka (Oryzias latipes) that ES cells have a novel ability to form extra organs and even embryo-like miniatures. Upon transplantation as individual cells according to the standard procedure, ES cells distributed widely to various organ systems of 3 germ layers. Upon transplantation as aggregates, ES cells were able to form extra organs, including the hematopoietic organ and contracting heart. We show that localized ES cell transplantation often led to the formation of extra axes that comprised essentially of either host cells or donor ES cells. These extra axes were associated with the head region of the embryo proper or formed at ectopic sites on the yolk sac. Surprisingly, certain ectopic axes were even capable of forming embryo-like miniatures. We conclude that ES cells have the ability to form entire organs and even embryo-like miniatures under proper environmental conditions. This finding points to a new possibility to generate ES cell-derived axes and organs. © 2013, Mary Ann Liebert, Inc.
Source Title: Stem Cells and Development
ISSN: 15473287
DOI: 10.1089/scd.2012.0144
Appears in Collections:Staff Publications

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