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Projetcs

Regenerative medicine and transplantation

Evaluation of the possibility to increase the in vivo production of hematopoietic stem cells, endothelial progenitors and mesenchymal stromal cells by  intra-medullary injection of platelet rich plasma (PRP) with recombinant soluble human tissue factor. This would have important clinical repercussions both in hematology, orthopedics, cardiology and tissue engineering. This procedure should allow to avoid intensive manipulations of cells and  progressive loss of their characteristics. Optimization of extraction methods, purification and tissue reconstruction starting with stromal cells from adipose tissue. Evaluation of umbilical cord (wharton's jelly) as mesenchymal stromal cell source: collection, isolation, characterisation and capacities to sustain hematopoiesis. Applicability as adjuvents for human cell transplantation.

Mesenchymal stromal cells (MSC)

Ex vivo amplification and infusion in the context of autologous and allogeneic hematopoietic stem cell transplantation. Immunomodulatory properties and pro-hematopoietic activities of mesenchymal stromal cells in experimental transplantation. Functions of mesenchymal stromal cells and interactions with normal and pathologic cells. Influence of local environment (hypoxia, inflammation, infection) on the migration, differentiation, immunomodulation and pro-hematopoietic activity of  MSC. Effect of Toll-like receptor triggering on MSC functions. Characterization of MSC obtained from normal and leukemic bone marrow. Functional characterization of mesenchymal stem cells isolated from distinct tissue sources (bone marrow, umbilical cord and adipose tissue) for their use in cell therapy.