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Current Gene Therapy


ISSN (Print): 1566-5232
ISSN (Online): 1875-5631

Gene Therapy in Lung Transplantation

Author(s): Masaaki Sato and Shaf Keshavjee

Volume 6, Issue 4, 2006

Page: [439 - 458] Pages: 20

DOI: 10.2174/156652306777934810

Price: $65


Lung transplantation is effective life-saving therapy for the treatment of a variety of end-stage lung diseases. However, the application of lung transplantation is hindered by multiple factors such as the shortage of organ donors, early graft failure and chronic graft dysfunction. These problems are related to various lung injuries before and after transplantation including donor brain-death-related lung injury, ischemia, reperfusion and immune-mediated injuries. Gene transfection presents a potential molecular therapeutic solution to modify the transplanted organ such that it is better able to deal with these obstacles. In fact, in many ways lung transplantation is an ideal situation for gene therapy in that: 1) the targeted injuries are predictable (e.g. IR injury), 2) only transient gene expression is needed in many instances, 3) the immunosuppressive regimen necessary to prevent rejection of the transplanted organ attenuates vector-induced inflammation and the immune response to the vectors or the transgene products, and thus effectively augments and prolongs gene expression; 4) the anatomical structure of the lung enables trans-airway access and local gene delivery – as well as re-transfection. A number of issues need to be considered to develop a strategy of gene delivery in lung transplantation: administration route (intra-airway, trans-vascular, intravenous, intramuscular), timing (donor in-vivo, ex – vivo organ transfection or recipient), vector selection and gene selection. Based on our work and the work of others, over the last decade, we present the state of art of in gene therapy in lung transplantation and exciting future directions in the field.

Keywords: Ischemia-reperfusion injury, interleukin-10, intra-airway gene delivery

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