Abstract：
:Human induced pluripotent stem cells (hiPSCs) represent an almost limitless source of cells for disease modelling and drug screening applications. Here we established an efficient and robust 3D platform for cardiomyocyte (CMs) production from hiPSCs, solely through small-molecule-based temporal modulation of the Wnt signalling, which generates more than 90% cTNT+ cells. The impact of performing the differentiation process in 3D conditions as compared to a 2D culture system, was characterized by transcriptomic analysis by using data collected from sequential stages of 2D and 3D culture. We highlight that performing an initial period of hiPSC aggregation before cardiac differentiation primed hiPSCs towards an earlier mesendoderm lineage differentiation, via TGF-β/Nodal signaling stabilization. Importantly, it was also found that CMs in the 3D microenvironment mature earlier and show an improved communication system, which we suggested to be responsible for a higher structural and functional maturation of 3D cardiac aggregates.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Branco MA,Cotovio JP,Rodrigues CAV,Vaz SH,Fernandes TG,Moreira LM,Cabral JMS,Diogo MMdoi
10.1038/s41598-019-45047-9subject
Has Abstractpub_date
2019-06-25 00:00:00pages
9229issue
1issn
2045-2322pii
10.1038/s41598-019-45047-9journal_volume
9pub_type
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