Electrophoretically pure mouse interferon exerts multiple biologic effects.

AUTOR(ES)

Gresser, I

RESUMO

Electrophoretically pure mouse interferon was examined for a number of biologic effects previously ascribed to crude or partially purified interferon preparations. These effects include: inhibition of the growth of a transplantable tumor in mice; inhibition of cell multiplication of mouse tumor cells in vitro; enhancement of the expression of histocompatibility antigens on mouse tumor cells in vitro; inhibition of antibody formation in vitro; inhibition of sensitization to sheep erythrocytes and the expression of delayed type hypersensitivity in mice; enhancement of natural killer cell activity in vivo and in vitro; enhancement of cell sensitivity to the toxicity of poly(I)-poly(C); and enhanced production ("priming") of interferon production in vitro. Our results establish that the molecules responsible for the antiviral action of interferon are also responsible for these varied biologic effects.

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