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Halting hepatocellular carcinoma: Identifying intercellular crosstalk in HBV-driven disease

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机构: [1]Center of Infectious Diseases, West China Hospital of Sichuan University, Chengdu, China [2]SeLiver Group, Institute of Biomedicine of Seville (HUVR/CSIC/US), Department of Medicine, University of Seville, Seville, Spain [3]CIBERehd, Instituto de Salud Carlos III, Madrid, Spain [4]UCM Digestive Diseases, Virgen del Rocı´o University Hospital, Seville, Spain [5]Thoracic Oncology Ward, Cancer Center, and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China [6]State Key Laboratory of Biotherapy and Cancer Center, West China Hospital of Sichuan University, Chengdu, China [7]Thyroid and Parathyroid Surgery Center, West China Hospital of Sichuan University, Chengdu, China
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摘要:
Hepatitis B infection can lead to liver fibrosis and hepatocellular carcinoma (HCC). Despite antiviral therapies, some patients still develop HCC. This study investigates hepatitis B virus (HBV)-induced hepatocyte-hepatic stellate cell (HSC) crosstalk and its role in liver fibrosis and HCC. Using MYC-driven liver cancer stem cell organoids, HCC-patient-derived xenograft (PDX) models, and HBV replication models, this study reveals that HBV transcription affected hepatocyte development, activated the DNA repair pathway, and promoted glycolysis. HBV activated nicotinamide phosphoribosyltransferase (NAMPT) through DNA damage receptor ATR. NAMPT-insulin receptor (INSR)-mediated hepatocyte-HSC crosstalk caused HSCs to develop a myofibroblast phenotype and activated telomere maintenance mechanisms via PARP1 multisite lactylation. Inhibition of the ATR-NAMPT-INSR-PARP1 pathway effectively blocks HBV-induced liver fibrosis and HCC progression. Targeting this pathway could be a promising strategy for chronic HBV infection management.Copyright © 2025 The Author(s). Published by Elsevier Inc. All rights reserved.

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出版当年[2025]版:
大类 | 1 区 生物学
小类 | 2 区 细胞生物学
最新[2025]版:
大类 | 1 区 生物学
小类 | 2 区 细胞生物学
第一作者:
第一作者机构: [1]Center of Infectious Diseases, West China Hospital of Sichuan University, Chengdu, China
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通讯作者:
通讯机构: [2]SeLiver Group, Institute of Biomedicine of Seville (HUVR/CSIC/US), Department of Medicine, University of Seville, Seville, Spain [3]CIBERehd, Instituto de Salud Carlos III, Madrid, Spain [4]UCM Digestive Diseases, Virgen del Rocı´o University Hospital, Seville, Spain [6]State Key Laboratory of Biotherapy and Cancer Center, West China Hospital of Sichuan University, Chengdu, China [7]Thyroid and Parathyroid Surgery Center, West China Hospital of Sichuan University, Chengdu, China
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