rMC-1 cells expressing an hGRK1 promoter-driven mCherry reporter and exogenous EGFP cultured in PDM (EGFP_PDM_3)
rMC-1 cells expressing an mCherry reporter gene driven by the human GRK1 (hGRK1) promoter and exogenous EGFP. The cells were cultured in photoreceptor differentiation medium (PDM) for 4 weeks.