Chromosome transplantation as a novel approach for correcting complex genomic disorders

Franco Lucchini, Michela Lizier, Marianna Paulis, Alessandra Castelli, Lucia Susani, Irina Lagutina, Maria Luisa Focarelli, Camilla Recordati, Paolo Uva, Francesca Faggioli, Tui Neri, Eugenio Scanziani, Cesare Galli, Anna Villa, Paolo Vezzoni

Risultato della ricerca: Contributo in rivistaArticolo in rivista

6 Citazioni (Scopus)

Abstract

Genomic disorders resulting from large rearrangements of the genome remain an important unsolved issue in gene therapy. Chromosome transplantation, defined as the perfect replacement of an endogenous chromosome with a homologous one, has the potential of curing this kind of disorders. Here we report the first successful case of chromosome transplantation by replacement of an endogenous X chromosome carrying a mutation in the Hprt genewith a normal one in mouse embryonic stem cells (ESCs), correcting the genetic defect. The defect was also corrected by replacing the Y chromosome with an X chromosome. Chromosome transplanted clones maintained in vitro and in vivo features of stemness and contributed to chimera formation. Genome integrity was confirmed by cytogenetic and molecular genome analysis. The approach here proposed, with some modifications, might be used to cure various disorders due to other X chromosome aberrations in induced pluripotent stem (iPS) cells derived from affected patients.
Lingua originaleEnglish
pagine (da-a)35218-35230
Numero di pagine13
RivistaOncotarget
Volume6
DOI
Stato di pubblicazionePubblicato - 2015

Keywords

  • cell therapy
  • chromosome transplantation
  • embryonic stem cells
  • genomic disorders
  • microcell fusion

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