Comparative Analysis of Biological and Functional Properties of Bone Marrow Mesenchymal Stromal Cells Expanded in Media with Different Platelet Lysate Content

Due to their ability to induce immunological tolerance in the recipient, mesenchymal stromal cells (MSCs) have been utilized in the treatment of various hematological and immune- and inflammation-mediated diseases. The clinical application of MSCs implies prior in vitro expansion that usually includes the use of fetal bovine serum (FBS). The present study evaluated the effect of different platelet lysate (PL) media content on the biological properties of MSCs. MSCs were isolated from the bone marrow of 13 healthy individuals and subsequently expanded in three different culture conditions (10% PL, 5% PL, 10% FBS) during 4 passages. The cells cultured in different conditions had comparable immunophenotype, clonogenic potential, and differentiation capacity. However, MSC growth was significan...

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