Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/53025
Title: Medaka cleavage embryos are capable of generating ES-like cell cultures
Authors: Li, Z. 
Bhat, N.
Manali, D.
Wang, D.
Hong, N.
Yi, M. 
Ge, R. 
Hong, Y. 
Keywords: Blastula
Cleavage
Morula
Stem cell culture
Totipotency
Issue Date: 2011
Source: Li, Z.,Bhat, N.,Manali, D.,Wang, D.,Hong, N.,Yi, M.,Ge, R.,Hong, Y. (2011). Medaka cleavage embryos are capable of generating ES-like cell cultures. International Journal of Biological Sciences 7 (4) : 418-425. ScholarBank@NUS Repository.
Abstract: Mammalian embryos at the blastocyst stage have three major lineages, which in culture can give rise to embryonic stem (ES) cells from the inner cell mass or epiblast, trophoblast stem cells from the trophectoderm, and primitive endoderm stem cells. None of these stem cells is totipotent, because they show gene expression profiles characteristic of their sources and usually contribute only to the lineages of their origins in chimeric embryos. It is unknown whether embryos prior to the blastocyst stage can be cultivated towards totipotent stem cell cultures. Medaka is an excellent model for stem cell research. This laboratory fish has generated diploid and even haploid ES cells from the midblastula embryo with ~2000 cells. Here we report in medaka that dispersed cells from earlier embryos can survive, proliferate and attach in culture. We show that even 32-cells embryos can be dissociated into individual cells capable of producing continuously growing ES-like cultures. Our data point to the possibility to derive stable cell culture from cleavage embryos in this organism. © Ivyspring International Publisher.
Source Title: International Journal of Biological Sciences
URI: http://scholarbank.nus.edu.sg/handle/10635/53025
ISSN: 14492288
Appears in Collections:Staff Publications

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