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Pessach, Itai M., MD, PhD; Ordovas-Montanes, Jose, BA; Zhang, Shen-Ying, MD; Casanova, Jean-Laurent, MD, PhD; Giliani, Silvia, PhD; Gennery, Andrew R., MD; Al-Herz, Waleed, MD; Manos, Philip D., PhD; Schlaeger, Thorsten M., PhD; Park, In-Hyun, PhD; Rucci, Francesca, PhD; Agarwal, Suneet, MD, PhD; Mostoslavsky, Gustavo, MD, PhD; Daley, George Q., MD; Notarangelo, Luigi D., MD
Journal of allergy and clinical immunology, 06/2011, Letnik: 127, Številka: 6Journal Article
Background The novel ability to epigenetically reprogram somatic cells into induced pluripotent stem cells (iPSCs) through the exogenous expression of transcription promises to revolutionize the study of human diseases. Objective Here we report on the generation of 25 iPSC lines from 6 patients with various forms of primary immunodeficiencies (PIDs) affecting adaptive immunity, innate immunity, or both. Methods Patients’ dermal fibroblasts were reprogrammed by expression of 4 transcription factors, octamer-binding transcription factor 4 ( OCT4 ), sex determining region Y-box 2 ( SOX2 ), Krueppel-like factor 4 ( KLF4 ), and cellular myelomonocytosis proto-oncogene ( cMYC ), by using a single excisable polycistronic lentiviral vector. Results iPSCs derived from patients with PIDs show a stemness profile that is comparable with that observed in human embryonic stem cells. After in vitro differentiation into embryoid bodies, pluripotency of the patient-derived iPSC lines was demonstrated by expression of genes characteristic of each of the 3 embryonic layers. We have confirmed the patient-specific origin of the iPSC lines and ascertained maintenance of karyotypic integrity. Conclusion By providing a limitless source of diseased stem cells that can be differentiated into various cell types in vitro , the repository of iPSC lines from patients with PIDs represents a unique resource to investigate the pathophysiology of hematopoietic and extrahematopoietic manifestations of these diseases and might assist in the development of novel therapeutic approaches based on gene correction.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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