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    Prep Biochem Biotechnol. 2005;35(2):119-34.

    Recombinant NY-ESO-1 cancer antigen: production and purification under cGMP conditions.

    Source

    Ludwig Institute for Cancer Research, Melbourne Tumour Biology Branch, Austin Hospital, Heidelberg, Australia. roger.murphy@ludwig.edu.au

    Abstract

    The cancer-testis antigen, NY-ESO-1, has been engineered into a bacterial expression plasmid which incorporates a His6-tag. The plasmid was transfected into E. coli strain BL21 and Master and Working cell banks generated from this expression system. Three 15-litre fermentations were performed under cGMP (code of Good Manufacturing Practice) conditions and the crude NY-ESO-1 tagged protein isolated as solubilised inclusion bodies. A three-step cGMP chromatography process (immobilised metal affinity, anion exchange, and hydrophobic interaction) was utilised to purify the protein. The purified NY-ESO-1 is being used in early stage human cancer vaccine trials in Australia and the U.S.A.

    PMID:
    15881594
    [PubMed - indexed for MEDLINE]

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