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Phenotype and function of ex vivo expanded liver progenitor-like cells through liver parenchymal and non-parenchymal reversion

ABSTRACT: The cellular source for hepatocyte transplantation and liver regeneration in chronically hepatic diseases is a fundamental topic in liver biology. A successful therapeutic approach based on a benificial stem/progenitor cells would involve replacing damaged cells or restoring homeostasis to the areas that underlie the fibrotic response. This study aims to isolate and culture hepatocyte and non-parenchymal cells derived liver progenitor-like cells (HepLPCs and NPC-LPCs) to identify a beneficial cell sources for cell-based therapy against chronic liver injury. Two types of lineage tracing models including tdTomato mice with AAV8-TBG-Cre and AlbCreERT/R26GFP were purified for hepatocytes and non-parenchymal cells respectively, and cultured for transition to progenitor-like cells (LPCs) in TEM. The differences between them were clarified by RNA sequencing, suggesting that HepLPCs retaining basal levels of hepatic function and transcription factors (TFs), including Foxa3. Organoids and 3D hepatic spheroids culturing systems were used for further analysis of bile duct and hepatic functioning diversity. When transplanting in mice with CCL4 treatment, HepLPCs displayed the characteristics of TFs regulatory reactivation and physiological balance restoration, resulting in a significant improvement in liver fibrosis compared with NPC-LPCs, which are crucial for liver regeneration in the treatment of patients with a broad range of hepatic fibrosis.

ORGANISM(S): Mus musculus

PROVIDER: GSE135951 | GEO | 2020/07/30

REPOSITORIES: GEO

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