Library selection and directed evolution approaches to engineering targeted viral vectors

Jae Hyung Jang, Kwang Il Lim, David V. Schaffer

Research output: Contribution to journalReview article

21 Citations (Scopus)

Abstract

Gene therapy, to delivery of genetic material to a patient for therapeutic benefit, has significant promise for translating basic knowledge of disease mechanism into biomedical treatments. The clinical development of the field has been slowed, however, by the need for improvements in the properties and capabilities of gene delivery vehicles. Vehicles based on viruses offer the potential for efficient gene delivery, but because viruses did not evolve to serve human therapeutic needs, many of their properties require significant improvement, including their safety, efficiency, and capacity for targeted gene delivery. Since viruses are highly complex biological entities, engineering such properties at the molecular level can be challenging. However, there has been significant progress in developing approaches that mimic the mechanisms by which viruses arose in the first place. In particular, library-based selection, the generation of one diverse genetic library and selection for new properties, and directed evolution, based on the multiple rounds of library generation and selection for iterative improvement of function, have strong potential in engineering novel properties into these complex biomolecular assemblies. This review will discuss progress in the application of peptide display, library selection, and directed evolution technologies toward engineering vectors based on retrovirus, adeno-associated virus, and adenovirus that are capable of targeted delivery to specific cell types. In addition to creating biomedically useful products, these approaches have future potential to yield novel insights into viral structure-function relationships.

Original languageEnglish
Pages (from-to)515-524
Number of pages10
JournalBiotechnology and Bioengineering
Volume98
Issue number3
DOIs
Publication statusPublished - 2007 Oct 15

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Viruses
Libraries
Genes
Peptide Library
Bioengineering
Viral Structures
Dependovirus
Retroviridae
Gene therapy
Adenoviridae
Genetic Therapy
Engineering technology
Therapeutics
Peptides
Technology
Safety
Display devices

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology

Cite this

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Library selection and directed evolution approaches to engineering targeted viral vectors. / Jang, Jae Hyung; Lim, Kwang Il; Schaffer, David V.

In: Biotechnology and Bioengineering, Vol. 98, No. 3, 15.10.2007, p. 515-524.

Research output: Contribution to journalReview article

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