LL24

Tumourigenicity studies

Derived from normal tissue taken at post-mortem from the lung of a 5 year old male. An ampoule of cells frozen after one passage and estimated population doubling (PDL) 2 was submitted to the American Type Culture Collection in June, 1977. Derived populations at passage 6 and approximately 14 PDL are available for distribution. Progeny were found to undergo an additional 25 population doublings in longevity trials.

Human diploid lung

Ham′s F12 + 2mM Glutamine + 15% Foetal Bovine Serum (FBS).

Split sub-confluent cultures (70-80%) 1:2 to 1:3 i.e. seeding at 3-4x10,000 cells/cm² using 0.25% trypsin/EDTA; 5% CO₂; 37°C. Finite lifespan, a further 20 population doublings expected.

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This cell line is part of the European Collection of Authenticated Cell Cultures (ECACC), an international repository managed by the United Kingdom Health Security Agency (UKHSA). No licensing agreement is required when either this cell line or the DNA extracted from it are used for internal research purposes only. Any other use of these products is prohibited without the express written permission of UKHSA. Inquiries regarding authorized use of this cell line or its genomic DNA may be directed to culturecollections@ukhsa.gov.uk.