Marzena Jastrzewska

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Stem cells originating at fetal age are for many reasons superior as a material for the regenerative medicine purposes, when compared to their adult counterparts. While hematopoietic cells, isolated from fetal liver or cord blood, have been well known for a long time and have passed practical tests as clinical transplantation material, the non-hematopoietic(More)
Flow cytometric enumeration of CD34+ hematopoietic stem and progenitor cells (HSCs) is widely used for evaluation of graft adequacy of peripheral blood and bone marrow stem cell grafts. In the present study, we review and compare the major counting techniques of stem and progenitor cells. The methods are: the Milan/Mullhouse protocol, two-platform ISHAGE(More)
Mesenchymal stem cells derived from bone marrow or several fetal tissues can be expanded and differentiated into other cell lines. The fetal liver is the source of early hematopoietic cells and also, as a fetal tissue, may be considered as a source of pluripotent stem cells. The differentiation potential of fetal rat liver cells have been examined. Freshly(More)
Ex vivo expansion of megakaryocytes may be useful to prevent the long-term severe thrombocytopenia following umbilical cord blood transplantation. This study aimed to establish the optimal conditions of short-term stimulation of megakaryopoiesis. Immunomagnetically isolated CD34 cells of umbilical cord were placed into serum free culture medium supplemented(More)
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