(F) RT-qPCR quantification of relative miR-21-3p levels in HaCat cells treated with the PPAR/ agonists GW501516, GW0742 (+) or vehicle (-) as indicated. miR-21-3p: Veh vs GW501516 P = 4E-04, Veh vs GW0742 P = 2E-04. N=2-3 biological replicates, one representative experiment is shown out of two independent replicates. 