text:  MEF, 1h TGF-β1 treatment, knock out 1 mouse embryonic fibroblasts, 1h TGF-β1 treatement, from NFI-C knock out embryo n 1 cell type: fibroblasts from 14 day-old embryo; genotype: NFI-C knock out; treatment: TGF-b1; time: 1 hour