Description: The human embryo kidney cell line 293 (ECACC catalogue no. 85120602) adapted to grow in the animal component free medium Gene Therapy Medium 3 (Sigma G9916). This cell line grows in clumps in suspension. The original 293 cell line from which this cell line was derived was transformed with sheared human Ad5 DNA.

Also Known As:

Species: Human

Tissue: Kidney, embryo

Growth Properties: Aggregates in suspension

Morphology: Epithelial

Growth Medium: Gene Therapy Medium 3 (Sigma G9916) + 2mM Glutamine. When freezing cells down use 50:50 fresh culture medium:conditioned medium plus 10% DMSO.

Subculturing Procedure: Viability may be poor on resuscitation and may initially decrease further. Full recovery may take up to 2 weeks. A centrifugation step to remove the cryoprotectant is essential. Rapidly thaw the frozen ampoule in a water bath at 37°C for 1-2 minutes. Transfer the contents to a centrifuge tube and slowly add 5-10ml of pre-warmed growth media. Remove a sample for counting. Centrifuge at 100g for 2-3 minutes to pellet cells and seed at a relatively high density of 5-7 x 100,000 cells/ml. Leave culture flask upright and observe regularly until viable proliferating cell clumps form. Once established use a split ratio of 1:2 approximately every 4 to 5 days; 5% CO₂; 37°C.

Release Conditions: No

Depositor: Dr. E. Penn, European Collection of Cell Cultures, Health Protection Agency, Porton Down, Salisbury, SP4 0JG, UK

Originator: Yes

References: None Specified By Depositor

Hyperlink to ECACC Cell Line Data Sheet: 05011003