RLBP1 and neuroblastoma: Six experimental constructs (GLUL 500±UTR, RLBP1 500±UTR, and S100b 500±UTR) were tested by transfection in 3 cell types: wMC Muller cells, NIH/3T3 fibroblasts, and Neuro-2a neuroblastoma cells (Figure 7).