CHO-K1 Cell Line from hamster

CHO-K1 cell line from hamster has been used to study the effect of plasmid pCM01 induction on the association of bacteria with CHO-K1 cells by the gentamicin protection assay. It has also been cultured with or without lactate to measure time-series for cell proliferation.

Nutritional and gene expression studies

A subclone of the parental CHO cell line, which was derived from the ovary of an adult Chinese hamster. Cells require proline due to the absence of the gene for proline synthesis, the block in the biosynthetic chain lies in the step converting glutamic acid to glutamine gamma serialdehyde. They undergo morphological changes in response to cholera toxin.

Hamster Chinese ovary

Ham′s F12+ 2mM Glutamine+ 10% Foetal Bovine Serum FBS / FCS.

Split sub-confluent cultures (70-80%) 1:4 to 1:10 i.e. seeding at 1-2x10,000 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.