Immunological therapy of BALB/c nude mice (nu/nu) implanted with human breast tumors, estrogen receptor negative MX-I and estrogen receptor-positive MCF-7, was carried out with four monoclonal antibod ies (MoAbs) raised against human milk fat globule membrane glycoproteins also present on normal breast epithelial cells. MoAbs injected singly or as a partial mixture arrested growth of the tumors...
