P22

Chinese hamster ovary cell line which lacks ornithine decarboxylase activity.

Hamster Chinese ovary

EMEM (EBSS) + Ham′s F12 (1:1) + 2mM Glutamine + 1% Non Essential Amino Acids (NEAA) + 0.1% BSA.

Split sub-confluent cultures (70-80%) 1:5 to 1:10 i.e. seeding at 5x1,000 to 1x10,000 cells/cm² using 0.1% cold PBS and 0.25% cold trypsin. Place flasks at 4°C for 5-10 min. or until cells detach; 5% CO₂; 37°C. Pre-treat culture flasks with porcine gela

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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.