HR5-CL11

Gene expression and activation studies

HR5-CL11 cells were obtained after transfection of HeLa cells with plasmids coding for a transcriptional transactivator and transferring G418 and hygromycin resistance. This tetracycline-controlled transactivator (a fusion between the tet repressor and the activating domain of the herpes simplex virus VP16 transcription activation domain) can stimulate the expression of a reporter gene up to 100,000 fold. Subsequently these cells were stably transfected with a luciferase reporter unit. Luciferase expression in the HR5-CL11 cells is highly stimulated by doxycycline.

Human cervix carcinoma, HeLa derivative, transformed

DMEM + 2mM Glutamine + 10% Foetal Bovine Serum (FBS).

Split sub-confluent cultures (70-80%) 1:5 to 1:20 i.e. seeding at 2x1,000 to 2x10,000 cells/cm² using 0.25% trypsin or trypsin/EDTA; 5% CO₂; 37°C.

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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.