Ethyl nitrosourea induced tumour of the spinal cord and roots from a Wistar-Furth rat. In cell culture the cells grow to a high density and form a sheet of cells with many processes. TR33B is the parent line of 33B (Sigma Catalogue number. 85081901).
Split sub-confluent cultures (70-80%) 1:3 to 1:6 i.e. seeding at 2-4x10,000 cells/cm2 using 0.25% trypsin/EDTA; 5% CO2; 37°C.
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