We report a long-term follow-up (6.5 years) of a phase I/II clinical trial envisaging the use of autologous genetically modified cultured epidermal stem cells for gene therapy of junctional epidermolysis bullosa, a devastating genetic skin disease. The critical goals of the trial were to evaluate the safety and long-term persistence of genetically modified epidermis. A normal epidermal-dermal junction was restored and the regenerated transgenic epidermis was found to be fully functional and virtually indistinguishable from a normal control. The epidermis was sustained by a discrete number of long-lasting, self-renewing transgenic epidermal stem cells that maintained the memory of the donor site, whereas the vast majority of transduced transit-amplifying progenitors were lost within the first few months after grafting. These data pave the way for the safe use of epidermal stem cells in combined cell and gene therapy for genetic skin diseases.

Long-term stability and safety of transgenic cultured epidermal stem cells in gene therapy of junctional epidermolysis bullosa / DE ROSA, Laura; Carulli, S; Cocchiarella, Fabienne; Quaglino, Daniela; Enzo, Elena; Franchini, Eleonora; Giannetti, A; DE SANTIS, Giorgio; Recchia, Alessandra; Pellegrini, Graziella; DE LUCA, Michele. - In: STEM CELL REPORTS. - ISSN 2213-6711. - STAMPA. - 2(2014), pp. 1-8. [10.1016/j.stemcr.2013.11.001]

Long-term stability and safety of transgenic cultured epidermal stem cells in gene therapy of junctional epidermolysis bullosa.

DE ROSA, LAURA;COCCHIARELLA, Fabienne;QUAGLINO, Daniela;ENZO, ELENA;FRANCHINI, ELEONORA;DE SANTIS, Giorgio;RECCHIA, Alessandra;PELLEGRINI, Graziella;DE LUCA, Michele
2014

Abstract

We report a long-term follow-up (6.5 years) of a phase I/II clinical trial envisaging the use of autologous genetically modified cultured epidermal stem cells for gene therapy of junctional epidermolysis bullosa, a devastating genetic skin disease. The critical goals of the trial were to evaluate the safety and long-term persistence of genetically modified epidermis. A normal epidermal-dermal junction was restored and the regenerated transgenic epidermis was found to be fully functional and virtually indistinguishable from a normal control. The epidermis was sustained by a discrete number of long-lasting, self-renewing transgenic epidermal stem cells that maintained the memory of the donor site, whereas the vast majority of transduced transit-amplifying progenitors were lost within the first few months after grafting. These data pave the way for the safe use of epidermal stem cells in combined cell and gene therapy for genetic skin diseases.
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Long-term stability and safety of transgenic cultured epidermal stem cells in gene therapy of junctional epidermolysis bullosa / DE ROSA, Laura; Carulli, S; Cocchiarella, Fabienne; Quaglino, Daniela; Enzo, Elena; Franchini, Eleonora; Giannetti, A; DE SANTIS, Giorgio; Recchia, Alessandra; Pellegrini, Graziella; DE LUCA, Michele. - In: STEM CELL REPORTS. - ISSN 2213-6711. - STAMPA. - 2(2014), pp. 1-8. [10.1016/j.stemcr.2013.11.001]
DE ROSA, Laura; Carulli, S; Cocchiarella, Fabienne; Quaglino, Daniela; Enzo, Elena; Franchini, Eleonora; Giannetti, A; DE SANTIS, Giorgio; Recchia, Alessandra; Pellegrini, Graziella; DE LUCA, Michele
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/1002713
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