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Haplotype-based banking of human pluripotent stem cells for transplantation: potential and limitations

Published in Stem Cells and Development. 2012, vol. 21, no. 13, p. 2364-73
Abstract High expectations surround the area of stem cells therapeutics. However, the cells' source-adult or embryonic-and the cells' origin-patient-derived autologous or healthy donor genetically unrelated-remain subjects of debate. Autologous origins have the advantage of a theoretical absence of immune rejection by the recipient. However, this approach has several limitations with regard to the disease of the recipient and to potential problems with the generation, expansion, and manipulation of autologous induced pluripotent stem cells (iPS cells) preparation. An alternative to using autologous cells is the establishment of a bank of well-characterized adult cells that would be used to generate iPS cells and their derivatives. In the context of transplantation, such cells would come from genetically unrelated donors and the immune system of the recipient would reject the graft without immunosuppressive therapy. To minimize the risk of rejection, human leukocyte antigen (HLA) compatibility is certainly the best option, and the establishment of an HLA-organized bank would mean having a limited number of stem cells that would be sufficient for a large number of recipients. The concept of haplobanking with HLA homozygous cell lines would also limit the number of HLA mismatches, but such an approach will not necessarily be less immunogenic in terms of selection criteria, because of the limited number of HLA-compatible loci and the level of HLA typing resolution.
Keywords Cell Culture Techniques/methodsEmbryo, Mammalian/cytologyGraft Rejection/immunologyHLA Antigens/immunologyHaplotypesHistocompatibility Testing/methodsHomozygoteHumansInduced Pluripotent Stem Cells/immunology/physiology/transplantationParthenogenesisStem Cell Research/ethicsTissue Banks/ethics/standardsTissue Donors
PMID: 22559254
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Article (Published version) (446 Kb) - public document Free access
Research groups Compatibilité tissulaire et transplantation clinique (562)
Transplantation Immunologie et Osteoimmunologie (561)
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ZIMMERMANN, Anna et al. Haplotype-based banking of human pluripotent stem cells for transplantation: potential and limitations. In: Stem Cells and Development, 2012, vol. 21, n° 13, p. 2364-73. https://archive-ouverte.unige.ch/unige:29051

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Deposited on : 2013-08-06

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