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  • Title: Enhancement of protein transduction-mediated nuclear delivery by interaction with dynein/microtubules.
    Author: Moseley GW, Leyton DL, Glover DJ, Filmer RP, Jans DA.
    Journal: J Biotechnol; 2010 Feb 01; 145(3):222-5. PubMed ID: 19958802.
    Abstract:
    Nucleocytoplasmic trafficking is a major consideration for the design of vehicles for the delivery of drug/DNA cargo to cell nuclei for cancer and gene therapies. Recent data indicate that efficient nuclear import can involve the microtubule (MT)/dynein network, such that nuclear delivery of exogenous cargo could be enhanced by attachment to peptide modules mediating association with dynein components, but this has not been investigated. Here, we report that the nuclear delivery of an exogenous cargo that enters the cell by protein transduction can be enhanced by attachment to a dynein-association sequence, with dependence on the MT network. This indicates that dynein/MT-association modules may provide useful modules for DNA/drug delivery approaches.
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