
T4057 Human Primary Retinal Pigment Epithelial Cells by ABM — normal RPE, polygonal, 5×10⁵ cells/1.0 ml, BSL-II. Doubling time 24–48h; subculture at <90% confluency (not 80%) to prevent terminal differentiation. G999 ECM flasks + PriGrow TM4057 required. Dual cryopreservation. MTA required.