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Updated: Jun 23, 2025

Hemogenic Endothelium Differentiation from Human Pluripotent Stem Cells in A Feeder- and Xeno-free Defined Condition
Published on: June 16, 2019
Highly Defined Induced Pluripotent Stem Cell Lines Mimic Donor Red Blood Cell Antigen Profiles for Therapeutic and
Lucas Ferioli Catelli1, Péricles Natan Mendes da Costa1, Felipe Augusto Rós1
1Center for Cell-Based Research, Regional Blood Center of Ribeirão Preto, School of Medicine of Ribeirão Preto, University of São Paulo (USP), São Paulo, Brazil.
Abstract:
Our group generated two induced pluripotent stem cell (iPSC) lines for in vitro red blood cell (RBC) production from blood donors with extensively known erythrocyte antigen profiles. One line was intended to give rise to RBCs for transfusions in patients with sickle cell disease (SCD), while the other was developed to create RBC panel reagents. Two blood donors were selected based on their RBC phenotypes, further complemented by high-throughput DNA array analysis to obtain a more comprehensive erythrocyte antigen profile. Enriched erythroblast populations from the donors' peripheral blood mononuclear cells were reprogrammed into iPSCs using nonintegrative plasmid vectors. The iPSC lines were characterized and subsequently subjected to hematopoietic differentiation. iPSC PB02 and iPSC PB12 demonstrated in vitro and in vivo iPSC features and retained the genotype of each blood donor's RBC antigen profile. Colony-forming cell assays confirmed that iPSC PB02 and iPSC PB12 generated hematopoietic progenitors. These two iPSC lines were generated with defined erythrocyte antigen profiles, self-renewal capacity, and hematopoietic differentiation potential. With improvements in hematopoietic differentiation, these cells could potentially be more efficiently differentiated into RBCs in the future. They could serve as a complementary approach for obtaining donor-independent RBCs and addressing specific demands for blood transfusions.
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