Abstract：
:Despite advances in stem cell research, cell transplantation therapy for liver failure is impeded by a shortage of human primary hepatocytes (HPH), along with current differentiation protocol limitations. Several studies have examined the concept of co-culture of human induced pluripotent cells (hiPSCs) with various types of supporting non-parenchymal cells to attain a higher differentiation yield and to improve hepatocyte-like cell functions both in vitro and in vivo. Co-culturing hiPSCs with human endothelial cells (hECs) is a relatively new technique that requires more detailed studies. Using our 3D human embryoid bodies (hEBs) formation technology, we interlaced Human Adipose Microvascular Endothelial Cells (HAMEC) with hiPSCs, leading to a higher differentiation yield and notable improvements across a wide range of hepatic functions. We conducted a comprehensive gene and protein secretion analysis of our HLCs coagulation factors profile, showing promising results in comparison with HPH. Furthermore, a stage-specific glycomic analysis revealed that the differentiated hepatocyte-like clusters (HLCs) resemble the glycan features of a mature tissue rather than cells in culture. We tested our HLCs in animal models, where the presence of HAMEC in the clusters showed a consistently better performance compared to the hiPSCs only group in regard to persistent albumin secretion post-transplantation.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Pettinato G,Lehoux S,Ramanathan R,Salem MM,He LX,Muse O,Flaumenhaft R,Thompson MT,Rouse EA,Cummings RD,Wen X,Fisher RAdoi
10.1038/s41598-019-45514-3subject
Has Abstractpub_date
2019-06-20 00:00:00pages
8920issue
1issn
2045-2322pii
10.1038/s41598-019-45514-3journal_volume
9pub_type
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