Additional file 1.

Fig. S1. The OCT4 and NANOG staining of T3/HDF and T3/CMHDF, as well as T3/MEF and T3/CMMEF, cells. T3/HDF and T3/CMHDF cells were grown on T3HDF feeder and feeder-free Matrigel in T3HDF-conditioned medium for 14 and 8 passages, respectively. The T3/MEF and T3/CMMEF cells were grown on MEF feeder and feeder-free on Martigel in MEF-conditioned medium for 14 and 12 passages, respectively.

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Tsai et al. BMC Cell Biology 2010 11:76   doi:10.1186/1471-2121-11-76