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Proc Natl Acad Sci U S A. 1986 Dec;83(23):9129-33.

Inhibition of tumor growth by a monoclonal antibody reactive with an oncogene-encoded tumor antigen.

Abstract

The neu oncogene encodes a 185-kDa transmembrane glycoprotein tumor antigen, termed p185. We have recently described a monoclonal antibody reactive with a cell surface domain of the p185 molecule. In vivo treatment with this anti-p185 monoclonal antibody was able to significantly inhibit the tumorigenic growth of neu-transformed NIH 3T3 cells implanted into nude mice. Such treatment had no effect on the tumorigenic growth of Ha-ras-transformed NIH 3T3 cells. Furthermore, anti-p185 antibody treatment was able to inhibit the growth of the rat neuroblastoma cells from which the neu oncogene was initially isolated. These results demonstrate that a monoclonal antibody reactive with the extracellular domain of an oncogene-encoded protein can exert a significant antitumor effect; such antibodies may prove useful in the therapy of certain malignancies.

PMID:
3466178
PMCID:
PMC387088
DOI:
10.1073/pnas.83.23.9129
[Indexed for MEDLINE]
Free PMC Article

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