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Pre- and Postnatal Transplantation of Fetal Mesenchymal Stem Cells in Osteogenesis Imperfecta: A Two-Center Experience
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2014 (English)In: Stem Cells Transnational Medicine, ISSN 2157-6564, Vol. 3, no 2, 255-264 p.Article in journal (Refereed) Published
Abstract [en]

Osteogenesis imperfecta (OI) can be recognized prenatally with ultrasound. Transplantation of mesenchymal stem cells (MSCs) has the potential to ameliorate skeletal damage. We report the clinical course of two patients with OI who received prenatal human fetal MSC (hfMSC) transplantation and postnatal boosting with same-donor MSCs. We have previously reported on prenatal transplantation for OI type III. This patient was retransplanted with 2.8 x 10(6) same-donor MSCs per kilogram at 8 years of age, resulting in low-level engraftment in bone and improved linear growth, mobility, and fracture incidence. An infant with an identical mutation who did not receive MSC therapy succumbed at 5 months despite postnatal bisphosphonate therapy. A second fetus with OI type IV was also transplanted with 30 x 10(6) hfMSCs per kilogram at 31 weeks of gestation and did not suffer any new fractures for the remainder of the pregnancy or during infancy. The patient followed her normal growth velocity until 13 months of age, at which time longitudinal length plateaued. A postnatal infusion of 10 x 10(6) MSCs per kilogram from the same donor was performed at 19 months of age, resulting in resumption of her growth trajectory. Neither patient demonstrated alloreactivity toward the donor hfMSCs or manifested any evidence of toxicities after transplantation. Our findings suggest that prenatal transplantation of allogeneic hfMSCs in OI appears safe and is of likely clinical benefit and that retransplantation with same-donor cells is feasible. However, the limited experience to date means that it is not possible to be conclusive and that further studies are required.

Place, publisher, year, edition, pages
2014. Vol. 3, no 2, 255-264 p.
Keyword [en]
Mesenchymal stem cells, Mesenchymal stromal cells, Cell therapy, Osteogenesis imperfecta, Prenatal transplantation, In utero transplantation
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-221019DOI: 10.5966/sctm.2013-0090ISI: 000331501800019OAI: oai:DiVA.org:uu-221019DiVA: diva2:707498
Available from: 2014-03-24 Created: 2014-03-24 Last updated: 2014-03-24Bibliographically approved

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Ewald, Uwe
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