Modular design of artificial transcription factors.

Eukaryotic transcription factors are composed of interchangeable modules. This has led to the design of a wide variety of modular artificial transcription factors (ATFs) that can stimulate or inhibit the expression of targeted genes. The ability to regulate the expression of any targeted gene using a 'programmable' ATF offers a powerful tool for functional genomics and bears tremendous promise in developing the field of transcription-based therapeutics.

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