Blocking of spleen cell activity against target mammary tumor cells by viral antigens.

Abstract

Spleen cells from BALB/c females exposed to or neonatally infected with mammary tumor virus (MTV) are cytotoxic to MTV-induced mammary tumor cells in microcytotoxocity assay. This activity can be partially or completely blocked by pretreatment of spleen cells with MTV purified from milk. Murine leukemia virus (MuLV) has no effect. T cell responses of virgin… (More)

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