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ResearchIn-Press PreviewCell biologyHepatology Open Access | 10.1172/JCI203412

ITGBL1-MYH9 interaction in hepatic stellate cells acts as a mechano-regulator controlling liver fibrosis in mice

Yixin Li,1 Yan Wang,2 Chenhao Tong,3 Xinghuan Fu,2 Ningning Ma,4 Yawen Hao,4 Zian Feng,1 Shijia Ling,5 Zequn Yin,1 Haodong Li,6 Shujun Ge,5 Siting Yang,5 Peng Xiao,7 Siyue Dong,5 Adrien Guillot,8 Yajun Duan,1 and Yong He4

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Li, Y. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Wang, Y. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Tong, C. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Fu, X. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Ma, N. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Hao, Y. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Feng, Z. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Ling, S. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Yin, Z. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Li, H. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Ge, S. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Yang, S. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Xiao, P. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Dong, S. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Guillot, A. in: PubMed | Google Scholar |

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by Duan, Y. in: PubMed | Google Scholar

1The First Affiliated Hospital of USTC, Division of Life Sciences and Medici, University of Science and Technology of China (USTC), Hefei, China

2Department of Infectious Diseases, Peking University First Hospital, Beijing, China

3Hepatopancreatobiliary Surgery Department, The First Affiliated Hospital of Ningbo University, Ningbo, China

4State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China

5School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China

6Tianjing University of Traditional Chinese Medicine, Tianjing, China

7Department of Hepatology, The First Hospital of Jilin University, Changchun, China

8Department of Hepatology & Gastroenterology, Charité-Universitätsmedizin Berlin, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany

Find articles by He, Y. in: PubMed | Google Scholar

Published July 16, 2026 - More info

J Clin Invest. https://doi.org/10.1172/JCI203412.
Copyright © 2026, Li et al. This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
Published July 16, 2026 - Version history
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Abstract

Hepatic stellate cell (HSC) activation can lead to liver fibrosis, for which there are no effective treatments. Aberrant cytoskeletal reorganization is a central driver of HSC activation. Non-muscle myosin II (NM II) is known to regulate cytoskeleton remodeling via its actin cross-linking and contractile properties. However, the molecular players controlling actomyosin assembly and contractility in HSCs during liver fibrosis remain poorly defined. Here, we identified integrin β-like 1 (ITGBL1) as a gatekeeper of HSC quiescence by negatively regulating actomyosin contractility-driven mechanotransduction in HSCs. ITGBL1 expression was markedly elevated in activated HSCs found in patient and mouse fibrotic livers. Unexpectedly, HSC-specific Itgbl1 deficiency worsened liver fibrosis, whereas ITGBL1 overexpression in HSCs limited it, suggesting a protective role for ITGBL1 against a pathogenic HSC activation. Multi-omics and functional analyses revealed that ITGBL1 impaired F-actin filament organization in HSCs by disrupting myosin heavy chain 9 (MYH9, also named NM II heavy chain A)-dependent actomyosin assembly. In line, HSC-specific Myh9 deficiency or silencing of Myh9 in HSCs alleviated liver fibrosis. Taken together, our findings unveil the ITGBL1-MYH9 interaction acts as a critical mechano-regulatory brake that maintains cytoskeletal equilibrium and mechanical homeostasis in HSCs, providing a promising therapeutic strategy to combat liver fibrosis.

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