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Single-cell RNA Sequencing Reveals Reduced Intercellular Adhesion Molecule Crosstalk Between Activated Hepatic Stellate Cells and Neutrophils Alleviating Liver Fibrosis in Hepatitis B Virus Transgenic Mice Post Menstrual Blood-derived Mesenchymal...

Overview
Journal MedComm (2020)
Specialty Health Services
Date 2024 Jul 23
PMID 39040848
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Abstract

Liver fibrosis can cause hepatitis B virus (HBV)-associated hepatocellular carcinoma. Menstrual blood-derived mesenchymal stem cells (MenSCs) can ameliorate liver fibrosis through paracrine. Single-cell RNA sequencing (scRNA-seq) may be used to explore the roadmap of activated hepatic stellate cell (aHSC) inactivation to target liver fibrosis. This study established HBV transgenic (HBV-Tg) mouse model of carbon tetrachloride (CCl)-induced liver fibrosis and demonstrated that MenSCs migrated to the injured liver to improve serological indices and reduce fibrotic accumulation. RNA-bulk analysis revealed that MenSCs mediated extracellular matrix accumulation and cell adhesion. Liver parenchymal cells and nonparenchymal cells were identified by scRNA-seq in the control, CCl, and MenSC groups, revealing the heterogeneity of fibroblasts/HSCs. A CellChat analysis revealed that diminished intercellular adhesion molecule (ICAM) signaling is vital for MenSC therapy. Specifically, in aHSCs acted on / and / in neutrophils, causing decreased adhesion. The expression of , , and was higher in CCl group than in the control group and decreased after MenSC therapy in neutrophil clusters. The , , , and had high expression and may be potential targets in neutrophils. This study highlights interacting cells, corresponding molecules, and underlying targets for MenSCs in treating HBV-associated liver fibrosis.

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