(a, b) Staining for Ki67, CTNI and DNA (DAPI) in control, PDHA1STA OE or PDK3 OE RNCMs cultured in growth (a) or non-growth (b) medium; arrowheads point to Ki67+ RNCMs; percentage of Ki67+ RNCMs shown on the right (n = 4 biological replicates for each condition). 