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Review
, 279 (42), 43363-6

Intranuclear Trafficking: Organization and Assembly of Regulatory Machinery for Combinatorial Biological Control

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Review

Intranuclear Trafficking: Organization and Assembly of Regulatory Machinery for Combinatorial Biological Control

Sayyed K Zaidi et al. J Biol Chem.

Abstract

The molecular logistics of nuclear regulatory processes necessitate temporal and spatial regulation of protein-protein and protein-DNA interactions in response to physiological cues. Biochemical, in situ, and in vivo genetic evidence demonstrates the requirement for intranuclear localization of regulatory complexes that functionally couple cellular responses to signals that mediate combinatorial control of gene expression. We have summarized evidence that subnuclear targeting of transcription factors mechanistically links gene expression with architectural organization and assembly of nuclear regulatory machinery for biological control. The compromised intranuclear targeting of regulatory proteins under pathological conditions provides options for the diagnosis and treatment of disease.

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