Genetically modified tumor-targeted bacteria with reduced...

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

Reexamination Certificate

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C424S258100, C424S093200, C424S093400, C435S252300, C435S252800, C435S879000

Reexamination Certificate

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06863894

ABSTRACT:
The present invention is directed to mutantSalmonellasp. having a genetically modified msbB gene in which the mutantSalmonellais capable of targeting solid tumors. The invention is also directed toSalmonellasp. containing a genetically modified msbB gene as well as an genetic modification in a biosynthetic pathway gene such as the purI gene. The present invention further relates to the therapeutic use of the mutantSalmonellafor growth inhibition and/or reduction in volume of solid tumors.

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