Characterization of pluripotent stem cells

被引:122
作者
Marti, Merce [1 ]
Mulero, Lola [1 ]
Pardo, Cristina [1 ]
Morera, Cristina [1 ]
Carrio, Meritxell [1 ]
Laricchia-Robbio, Leopoldo [1 ]
Rodriguez Esteban, Concepcion [1 ,2 ]
Izpisua Belmonte, Juan Carlos [1 ,2 ]
机构
[1] Ctr Regenerat Med Barcelona, Barcelona, Spain
[2] Salk Inst Biol Studies, Gene Express Lab, La Jolla, CA 92037 USA
关键词
EXPRESSION; DIFFERENTIATION; GENERATION; LINES;
D O I
10.1038/nprot.2012.154
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Characterization of pluripotent stem cells is required for the registration of stem cell lines and allows for an impartial and objective comparison of the results obtained when generating multiple lines. It is therefore crucial to establish specific, fast and reliable protocols to detect the hallmarks of pluripotency. Such protocols should include immunocytochemistry (takes 2 d), identification of the three germ layers in in vitro-derived embryoid bodies by immunocytochemistry (immunodetection takes 3 d) and detection of differentiation markers in in vivo-generated teratomas by immunohistochemistry (differentiation marker detection takes 4 d). Standardization of the immunodetection protocols used ensures minimun variations owing to the source, the animal species, the endogenous fluorescence or the inability to collect large amounts of cells, thereby yielding results as fast as possible without loss of quality. This protocol provides a description of all the immunodetection procedures necessary to characterize mouse and human stem cell lines in different circumstances.
引用
收藏
页码:223 / 253
页数:31
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