Modulation of phosphatase of regenerating liver-1 within placental mesenchymal stem cells instigates the transition between epithelial-to-mesenchymal transition and mesenchymal-to-epithelial transition subsequent to hepatic fibrosis

Modulation of phosphatase of regenerating liver-1 within placental mesenchymal stem cells instigates the transition between epithelial-to-mesenchymal transition and mesenchymal-to-epithelial transition subsequent to hepatic fibrosis

Background/Aims Epithelial-to-mesenchymal transition (EMT) plays a crucial role in hepatic fibrogenesis and liver repair in chronic liver disease. Our research highlights the antifibrotic potential of placenta-derived mesenchymal stem cells (PD-MSCs) and the role of phosphatase of regenerating liver...

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Main Authors: Jae Yeon Kim, Hyeri Park, Soo Young Park, Se Ho Kim, Ja Yun Lim, Ki Seog Lee, Si Hyun Bae, Gi Jin Kim
Format: Article
Language:English
Published: Korean Association for the Study of the Liver 2025-07-01
Series:Clinical and Molecular Hepatology
Subjects:
epithelial-mesenchymal transition
liver diseases
mesenchymal stem cell transplantation
protein tyrosine phosphatases
Online Access:http://e-cmh.org/upload/pdf/cmh-2024-0741.pdf
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Summary:Background/Aims Epithelial-to-mesenchymal transition (EMT) plays a crucial role in hepatic fibrogenesis and liver repair in chronic liver disease. Our research highlights the antifibrotic potential of placenta-derived mesenchymal stem cells (PD-MSCs) and the role of phosphatase of regenerating liver-1 (PRL-1) in promoting liver regeneration. Methods We evaluated the efficacy of PD-MSCs overexpressing PRL-1 (PD-MSCsPRL-1) in a bile duct ligationinduced rat injury model, focusing on their ability to regulate EMT. Results PD-MSCsPRL-1 significantly reduced mesenchymal markers by downregulating TGFB1/SMAD2, outperforming naïve PD-MSCs. The transplantation of PD-MSCsPRL-1 enhanced BMP7/SMAD1/5 expression, promoting epithelial marker expression and stimulating BMP7 within hepatocytes, modulating downstream SMAD signaling. Importantly, further validation confirmed that PRL-1 directly interacts with BMP7 in hepatocytes. Conclusions PRL-1 expression in PD-MSCsPRL-1 restores TGFB1/BMP7 balance, promoting hepatic regeneration through mesenchymal-to-epithelial transition. These findings highlight the therapeutic potential of engineered MSCs for liver disease and suggest innovative strategies for future stem cell therapies.
ISSN:2287-2728
2287-285X

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