Experiences of the Dresdner Cord Blood Bank, Supported by the Deutsche Knochenmarkspenderdatei

Abstract Allogeneic bone marrow and peripheral blood stem cell transplantation is the treatment of choice for some malignant hematologic diseases, marrow failure syndromes, and severe congenital immunodeficiency states. Since Gluckman et al reported in 1988 the first successful human leukocyte antig...

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Veröffentlicht in:Seminars in thrombosis and hemostasis 1999-01, Vol.25 (6), p.575-578
Hauptverfasser: Ordemann, Rainer, Petzold, Kathrin, Hölig, Kristina, Schaffer, Bianca, Mauersberger, Sabine, Ehminger, Gerhard
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Sprache:eng
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Zusammenfassung:Abstract Allogeneic bone marrow and peripheral blood stem cell transplantation is the treatment of choice for some malignant hematologic diseases, marrow failure syndromes, and severe congenital immunodeficiency states. Since Gluckman et al reported in 1988 the first successful human leukocyte antigen (HLA)-matched sibling umbilical cord blood stem cell transplantation, it has been known that cord blood is a valuable source of hematopoietic stem cells. The Cord Blood Bank at the University Hospital of Dresden was founded in 1997 and started collecting, processing, and cryoconserving umbilical cord blood in August 1997. The cord blood bank is supported by the largest German donor registry: Deutsche Knochenmarkspenderdatei (DKMS) in Tübingen, Germany. With the informed consent of the mothers, the collection is performed in collaboration with six hospitals in Dresden, Berlin, and Bautzen. We routinely perform a volume reduction by centrifuging the blood bag and expressing the leukocyte-rich supernatant. Routinely, sterility, total nucleated cells (TNC), CD34+ cell count, HLA class I and II, ABO/Rh blood group, and colony-forming units are evaluated. The maternal blood is screened for anti-immunodeficiency virus (anti-HIV), anti-hepatitis C virus (anti-HCV), anti-hepatitis B surface antigen (HB s Ag), anti-hepatitis B surface (anti-HB s ), anti-hepatitis B core (anti-HB c ), anticytomegalovirus (anti-CMV), and toxoplasmosis and with TREPONEMA PALLIDUM hemagglutination assay (TPHA). More than 1000 cord blood units could be collected. Because of the required volume and cell count and because of sterility, 50% of the collected units had to be discharged. Our results are comparable with data of other cord blood banks: mean volume 79 mL; cell count after volume reduction-TNC, 7.16 × 10 8 ; mononucleated cells (MNC), 3.75 × 10 8 ; CD34+ cells, 1.95 × 10 6 ; colony-forming units (CFU), 67.1 × 10 4 . To increase the pool of potential umbilical cord blood units and in order to evaluate the possibility for unrelated transplants, cryopreservation and banking of large numbers of cord bloods are necessary.
ISSN:0094-6176
1098-9064
DOI:10.1055/s-2007-994968