Zinc finger transcription factors or ZF-TFs, are transcription factors composed of a zinc finger-binding domain and any of a variety of transcription-factor effector-domains that exert their modulatory effect in the vicinity of any sequence to which the protein domain binds.[1]
Zinc finger protein transcription factors can be encoded by genes small enough to fit a number of such genes into a single vector, allowing the medical intervention and control of expression of multiple genes and the initiation of an elaborate cascade of events. In this respect, it is also possible to target a sequence that is common to multiple (usually functionally related) genes to control the transcription of all these genes with a single transcription factor. Also, it is possible to target a family of related genes by targeting and modulating the expression of the endogenous transcription factor(s) that control(s) them. They also have the advantage that the targeted sequence need not be symmetrical unlike most other DNA-binding motifs based on natural transcription factors that bind as dimers.[1]
^ abGommans WM, Haisma HJ, Rots MG (2005). "Engineering zinc finger protein transcription factors: the therapeutic relevance of switching endogenous gene expression on or off at command" (PDF). J. Mol. Biol. 354 (3): 507–19. doi:10.1016/j.jmb.2005.06.082. PMID 16253273.
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Zincfingertranscriptionfactors or ZF-TFs, are transcriptionfactors composed of a zincfinger-binding domain and any of a variety of transcription-factor...
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