The inducible lac operator-repressor system is functional in mammalian cells.


We have investigated the use of the Escherichia coli lac operator-repressor system to regulate expression of transfected genes in mammalian cells. We show that lac repressor produced in mouse L cells by transfection of a lacl expression vector blocks transcription of an MSV-CAT fusion gene when the lac operator is inserted at any one of the following sites… (More)


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