The present invention provides antibodies useful as therapeutics for treating and/or preventing diseases associated with cells expressing GT468, including tumor-related diseases such as breast cancer, lung cancer, gastric cancer, ovarian cancer, and hepatocellular cancer.La présente invention concerne des anticorps utiles pour traiter et/ou prévenir des maladies associées à des cellules dexpression GT468, comprenant des maladies associés aux tumeurs telles que le cancer du sein, le cancer du poumon, le cancer gastrique, le cancer ovarien, et le cancer hépatocellulaire.