| abstract |
The present invention relates to a novel cytotoxic protein (M toxin, mucous layer devastating toxin) of Helicobacter pylori and its use.n n n The present invention provides an antitumor agent composed of cytotoxic protein (M toxin), partial peptide, and corresponding cytotoxic protein produced by Helicobacter pylori.n n n The cytotoxic protein is obtained by culturing a transformant transformed with a recombinant vector containing the DNA encoding the protein. The present invention also provides the use of said cytotoxic protein. |