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| Trans-Activation (Genetics) Transactivation | Transcriptional Activation | Transcription Activation | Activation, Transcription | Activation, Transcriptional | Activations, Transcription | Activations, Transcriptional | Trans Activation (Genetics) | Transactivations Increased rate of gene expression directed by either viral or cellular proteins. These regulatory factors (diffusible gene products) act in trans -- that is, act on homologous or heterologous molecules of DNA. (Cis-acting factors act only on homologous molecules.) |