Anti-tumor agents, tumor marker for detecting and oral vaccine agent

摘要

less invasive, less side effects, and an object thereof to provide a high anti-tumor agent and / or tumor marker for detecting a target specificity. signal peptide, by using as an active ingredient a recombinant obligate anaerobic, gram positive bacterium comprising a nucleic acid encoding a secreted fusion protein comprising a single chain antibody and a functional peptide of low molecular weight, functionality to a target cell antitumor agents that can be delivered the sex peptide and / or a therapeutic effect to provide a monitored over time is possible tumor marker for detecting.