Details

Autor(en) / Beteiligte

• Tarunina, Marina
• Hernandez, Diana
• Kronsteiner-Dobramysl, Barbara
• Pratt, Philip
• Watson, Thomas
• Hua, Peng
• Gullo, Francesca
• van der Garde, Mark
• Zhang, Youyi
• Hook, Lilian
• Choo, Yen
• Watt, Suzanne M

Titel

A Novel High-Throughput Screening Platform Reveals an Optimized Cytokine Formulation for Human Hematopoietic Progenitor Cell Expansion

Ist Teil von

• Stem cells and development, 2016-11, Vol.25 (22), p.1709

Ort / Verlag

United States

Erscheinungsjahr

2016

Link zum Volltext

Quelle

MEDLINE

Beschreibungen/Notizen

• The main limitations of hematopoietic cord blood (CB) transplantation, viz, low cell dosage and delayed reconstitution, can be overcome by ex vivo expansion. CB expansion under conventional culture causes rapid cell differentiation and depletion of hematopoietic stem and progenitor cells (HSPCs) responsible for engraftment. In this study, we use combinatorial cell culture technology (CombiCult ) to identify medium formulations that promote CD133 CB HSPC proliferation while maintaining their phenotypic characteristics. We employed second-generation CombiCult screens that use electrospraying technology to encapsulate CB cells in alginate beads. Our results suggest that not only the combination but also the order of addition of individual components has a profound influence on expansion of specific HSPC populations. Top protocols identified by the CombiCult screen were used to culture human CD133 CB HSPCs on nanofiber scaffolds and validate the expansion of the phenotypically defined CD34 CD38 CD45RA CD90 CD49f population of hematopoietic stem cells and their differentiation into defined progeny.