- Step into the groove
- engineered transcription factors as modulators of gene expression
- Advances in Genetics Incorporating Molecular Genetic Medicine
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- Faculty of Science (FNWI)
- Swammerdam Institute for Life Sciences (SILS)
Increasing knowledge about the influence of dysregulated gene expression in causing numerous diseases opens up new possibilities for the development of innovative therapeutics. In this chapter, we first describe different mechanisms of misregulated gene expression resulting in various pathophysiological conditions. Then, an overview is given of different technologies developed to readjust expression levels of genes. One of the most promising upcoming approaches in this respect is the development of engineered zinc-finger transcription factors. Results obtained from modulating endogenous gene expression using such engineered transcription factors are reviewed in depth. Finally, we address possible pitfalls of using such transcriptional targeting approaches at the "chromatin level." We describe aspects of studies at this level that influence successful DNA binding of engineered transcription factors, thereby affecting gene activity. Engineered transcription factors have great promise as potent therapeutics. Moreover, this technology is expected to yield fundamental knowledge about the organization and function of the genome.
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