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Retinoids pp 75-83 | Cite as

Feeder-Independent Culture of Mouse Embryonic Stem Cells Using Vitamin A/Retinol

  • Jaspal S. Khillan
  • Liguo Chen
Protocol
Part of the Methods in Molecular Biology book series (MIMB, volume 652)

Abstract

Embryonic stem (ES) cells derived from the inner cell mass of a mammalian blastocyst represent unlimited source of all types of cells for regenerative medicine and for drug discovery. Mouse and human ES cells require mouse embryonic fibroblast feeder cells to maintain their undifferentiated state which involve additional time-consuming and labor-intensive steps. Recently we reported a novel function of retinol, the alcohol form of vitamin A, in preventing the differentiation of mouse ES cells. Retinol/vitamin A induces the overexpression of Nanog, a key transcription factor that is important for maintaining the pluripotency of mouse and human ES cells. Further, retinol/vitamin A also supports feeder-independent culture of ES cells in long-term cultures. The cells continue to maintain the expression of pluripotent cell-specific markers such as Nanog, Oct4, and Sox2 and form chimeric animals after injection into blastocysts. In this chapter, we describe feeder-independent cultures of mouse ES cells in the medium supplemented with retinol. The ES cells are cultured over plates coated with gelatin in ES medium with leukemia inhibitory factor (LIF) which is supplemented with 0.5 μM retinol/vitamin A. The cells are passaged every 3–5 days by trypsinization. The pluripotency of the cells is tested by different undifferentiated ES cell-specific markers.

Key words

Self-renewal of ES cells feeder-independent cultures vitamin A/retinol Nanog regulation Adh1 Adh4 RALDH2 

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Jaspal S. Khillan
    • 1
  • Liguo Chen
    • 1
  1. 1.Department of Microbiology and Molecular GeneticsUniversity of PittsburghPittsburghUSA

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