CF-1 MEF Feeder Cells, P3, mitomycin-C treated, are derived from CF-1 mouse embryos and used as feeder layers to support the growth of undifferentiated mouse or human embryonic stem cells (ESC) and induced pluripotent stem cells (iPSC). For a larger quantity, see: CF-1 MEF Feeder Cells, P3, mitomycin-C.