Progress in Respiratory Gene Therapy

Gerry McLachlan, Eric Wfw Alton, A Christopher Boyd, Nora Clark, Jane C Davies, Deborah Rebecca Gill, Uta Griesenbach, Jack Hickmott, Stephen C Hyde, Kamran Miah, Claudia Juarez Molina

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

The prospect of gene therapy for inherited and acquired respiratory disease has energized the research community since the 1980s, with cystic fibrosis, as a monogenic disorder, driving early efforts to develop effective strategies. The fact that there are still no approved gene therapy products for the lung, despite many early phase clinical trials, illustrates the scale of the challenge: in the 1990s, first generation non-viral and viral vector systems demonstrated proof-of-concept but low efficacy. Since then, there has been steady progress towards improved vectors with the capacity to overcome at least some of the formidable barriers presented by the lung. In addition, the inclusion of features such as codon optimisation and promoters providing long-term expression have improved the expression characteristics of therapeutic transgenes. Early approaches were based on gene addition, where a new DNA copy of a gene is introduced to complement a genetic mutation: however, the advent of RNA-based products that can directly express a therapeutic protein or manipulate gene expression, together with the expanding range of tools for gene editing, has stimulated the development of alternative approaches. This review discusses the range of vector systems being evaluated for lung delivery; the variety of cargoes they deliver, including DNA, antisense oligonucleotides, mRNA, siRNA and peptide nucleic acids; and exemplifies progress in selected respiratory disease indications.

Original languageEnglish
Pages (from-to)893-912
JournalHuman Gene Therapy
Issue number17-18
Early online date8 Sept 2022
Publication statusE-pub ahead of print - 8 Sept 2022

Keywords / Materials (for Non-textual outputs)

  • AAV
  • gene editing
  • gene therapy vectors
  • lentivirus
  • lung disease
  • respiratory


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