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Generation of iPS cells from OG2 MEFs. (A) Morphology (PH) and GFP fluorescence of the iPS cells produced in the absence of aphidicolin at day 12 after viral transduction of OG2 MEFs, carrying GFP under the promoter of Oct4. (B) Morphology and GFP fluorescence of an iPS cell culture obtained from a single clone after 4 weeks expansion.
