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Different Procoagulant Activity of Therapeutic Mesenchymal Stromal Cells Derived from Bone Marrow and Placental Decidua
Karolinska Inst, Dept Lab Med, Therapeut Immunol TIM, Stockholm, Sweden.;Charite, Berlin Brandenburg Sch Regenerat Therapies BSRT, D-13353 Berlin, Germany.;Charite, Dept Nephrol & Intens Care Med, D-13353 Berlin, Germany..
Lund Univ, Dept Clin Sci, Lund, Sweden..
Charite, Dept Nephrol & Intens Care Med, D-13353 Berlin, Germany..
Charite, Dept Nephrol & Intens Care Med, D-13353 Berlin, Germany..
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2015 (English)In: Stem Cells and Development, ISSN 1547-3287, E-ISSN 1557-8534, Vol. 24, no 19, 2269-2279 p.Article in journal (Refereed) Published
Abstract [en]

While therapeutic mesenchymal stromal/stem cells (MSCs) have usually been obtained from bone marrow, perinatal tissues have emerged as promising new sources of cells for stromal cell therapy. In this study, we present a first safety follow-up on our clinical experience with placenta-derived decidual stromal cells (DSCs), used as supportive immunomodulatory and regenerative therapy for patients with severe complications after allogeneic hematopoietic stem cell transplantation (HSCT). We found that DSCs are smaller, almost half the volume of MSCs, which may favor microvascular passage. DSCs also show different hemocompatibility, with increased triggering of the clotting cascade after exposure to human blood and plasma in vitro. After infusion of DSCs in HSCT patients, we observed a weak activation of the fibrinolytic system, but the other blood activation markers remained stable, excluding major adverse events. Expression profiling identified differential levels of key factors implicated in regulation of hemostasis, such as a lack of prostacyclin synthase and increased tissue factor expression in DSCs, suggesting that these cells have intrinsic blood-activating properties. The stronger triggering of the clotting cascade by DSCs could be antagonized by optimizing the cell graft reconstitution before infusion, for example, by use of low-dose heparin anticoagulant in the cell infusion buffer. We conclude that DSCs are smaller and have stronger hemostatic properties than MSCs, thus triggering stronger activation of the clotting system, which can be antagonized by optimizing the cell graft preparation before infusion. Our results highlight the importance of hemocompatibility safety testing for every novel cell therapy product before clinical use, when applied using systemic delivery.

Place, publisher, year, edition, pages
2015. Vol. 24, no 19, 2269-2279 p.
National Category
Hematology Medical Biotechnology (with a focus on Cell Biology (including Stem Cell Biology), Molecular Biology, Microbiology, Biochemistry or Biopharmacy)
Identifiers
URN: urn:nbn:se:uu:diva-264617DOI: 10.1089/scd.2015.0120ISI: 000361395900005PubMedID: 26192403OAI: oai:DiVA.org:uu-264617DiVA: diva2:865288
Funder
Swedish Research Council, K2014-64X-05971-34-4 2012-1883 K2013-99X-22252-01-5Swedish Cancer Society, CAN2013/671Swedish Childhood Cancer Foundation, PR2013-0045The Karolinska Institutet's Research FoundationSwedish Society for Medical Research (SSMF)
Available from: 2015-10-27 Created: 2015-10-15 Last updated: 2017-12-01Bibliographically approved

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Stem Cells and Development
HematologyMedical Biotechnology (with a focus on Cell Biology (including Stem Cell Biology), Molecular Biology, Microbiology, Biochemistry or Biopharmacy)

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