CD34 and schwannoma: Regarding the variable cell type, CD34+ cells isolated from cord blood exhibited the highest mean reprogramming efficiency (1.199% ± 0.529), compared to fibroblasts (0.040% ± 0.103), PBMCs (0.015% ± 0.013), and schwannoma cells (0.121% ± 0.158) (Table 2).