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Crossing the Nuclear Envelope: Hierarchical Regulation of Nucleocytoplasmic Transport
Laura J. Terry,Eric B. Shows,Susan R. Wente*
Transport of macromolecules between the nucleus and cytoplasmis a critical cellular process for eukaryotes, and the machinerythat mediates nucleocytoplasmic exchange is subject to multiplelevels of control. Regulation is achieved by modulating theexpression or function of single cargoes, transport receptors,or the transport channel. Each of these mechanisms has increasinglybroad impacts on transport patterns and capacity, and this hierarchyof control directly affects gene expression, signal transduction,development, and disease.
Department of Cell and Developmental Biology, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
* To whom correspondence should be addressed. E-mail: susan.wente{at}vanderbilt.edu
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