Strategies for achieving multiple layers of selectivity in gene therapy

R. G. Vile, K. Sunassee, R. M. Diaz

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


Here we review the progress towards the development of targeted vectors for direct in vivo delivery in gene therapy. Currently, there are many separate approaches. These include: simple physical/anatomical localization of administration of the vector at the site where gene transfer is required; exploitation of natural tropisms of plasmid, viral and cellular vectors; and the use of molecular engineering to change the specificity of proteins and nucleic acids so that they specifically recognize target ligands expressed on/in the target cells. Unfortunately, each of these approaches is usually imperfect by itself. However, combinations of these strategies might produce vectors in which several layers of imperfect targeting give an overall level of specificity that can justify systemic delivery of vectors to treat human disease.

Original languageEnglish (US)
Pages (from-to)84-92
Number of pages9
JournalMolecular Medicine Today
Issue number2
StatePublished - 1998

ASJC Scopus subject areas

  • Molecular Medicine
  • Genetics


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