Clinical transplantation of a tissue-engineered airway

Paolo Macchiarini, Philipp Jungebluth, Tetsuhiko Go, M. Adelaide Asnaghi, Louisa E. Rees, Tristan A. Cogan, Amanda Dodson, Jaume Martorell, Silvia Bellini, Pier Paolo Parnigotto, Sally C. Dickinson, Anthony P. Hollander, Sara Mantero, Maria Teresa Conconi, Martin A. Birchall

Research output: Contribution to journalArticle

1090 Scopus citations

Abstract

Background: The loss of a normal airway is devastating. Attempts to replace large airways have met with serious problems. Prerequisites for a tissue-engineered replacement are a suitable matrix, cells, ideal mechanical properties, and the absence of antigenicity. We aimed to bioengineer tubular tracheal matrices, using a tissue-engineering protocol, and to assess the application of this technology in a patient with end-stage airway disease. Methods: We removed cells and MHC antigens from a human donor trachea, which was then readily colonised by epithelial cells and mesenchymal stem-cell-derived chondrocytes that had been cultured from cells taken from the recipient (a 30-year old woman with end-stage bronchomalacia). This graft was then used to replace the recipient's left main bronchus. Findings: The graft immediately provided the recipient with a functional airway, improved her quality of life, and had a normal appearance and mechanical properties at 4 months. The patient had no anti-donor antibodies and was not on immunosuppressive drugs. Interpretation: The results show that we can produce a cellular, tissue-engineered airway with mechanical properties that allow normal functioning, and which is free from the risks of rejection. The findings suggest that autologous cells combined with appropriate biomaterials might provide successful treatment for patients with serious clinical disorders. Funding: Ministerio de Sanidad y Consumo, Instituto de Salud Carlos III, Fondo de Investigación Sanitaria, Spain; Charles Courtenay-Cowlin Fund, University of Bristol; UK Arthritis Research Campaign; and the James Tudor Foundation.

Original languageEnglish (US)
Pages (from-to)2023-2030
Number of pages8
JournalThe Lancet
Volume372
Issue number9655
DOIs
StatePublished - 2008
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)

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    Macchiarini, P., Jungebluth, P., Go, T., Asnaghi, M. A., Rees, L. E., Cogan, T. A., Dodson, A., Martorell, J., Bellini, S., Parnigotto, P. P., Dickinson, S. C., Hollander, A. P., Mantero, S., Conconi, M. T., & Birchall, M. A. (2008). Clinical transplantation of a tissue-engineered airway. The Lancet, 372(9655), 2023-2030. https://doi.org/10.1016/S0140-6736(08)61598-6