Anaerobic bacterium as a drug for cancer gene therapy

Drug – bio-affecting and body treating compositions – Whole live micro-organism – cell – or virus containing – Genetically modified micro-organism – cell – or virus

Reexamination Certificate

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C435S252300, C435S455000

Reexamination Certificate

active

07740835

ABSTRACT:
The present invention provides a bacterium belonging to the genusBifidobacterium, by which DNA coding for a protein having an antitumor activity or DNA coding for a protein having the activity of converting a precursor of an antitumor substance into the antitumor substance is delivered to tumor tissues specifically under anaerobic conditions thereby expressing the protein encoded by the DNA, as well as a pharmaceutical composition comprising said anaerobic bacterium.

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