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10.1172/JCI197923
1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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1Department of Medicine, University of California San Diego, La Jolla, United States of America
2Department of Cellular and Molecular Medicine, University of California San Diego, La Jolla, United States of America
3Center for Computational Biology and Bioinformatics, University of California San Diego, La Jolla, United States of America
4Department of Biological Sciences, Columbia University, New York, United States of America
5Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
6Department of Biomedical Sciences, College of Medicine, Florida State University, Tallahassee, United States of America
7Department of Surgery, University of California San Diego, La Jolla, United States of America
8Department of Medicine, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, United States of America
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Published February 26, 2026 - More info
Metabolic syndrome and excessive alcohol consumption (MetALD) result in liver injury and fibrosis, which is driven by increased collagen production by activated hepatic stellate cells (HSCs). Our previous studies demonstrated that LARP6, an RNA-binding protein, may facilitate collagen production. However, the expression and function of LARP6 as a regulator of fibrosis development in a disease-relevant model remain poorly understood. We demonstrated that LARP6 was upregulated in human activated HSCs in metabolic dysfunction-associated steatohepatitis (MASH) and MetALD. By using snRNA/ATAC-sequencing, we showed that JUNB upregulated LARP6 expression in activated HSCs. Moreover, LARP6 knockdown in human HSCs suppressed fibrogenic gene expression. By integrating eCLIP analysis and ribosome profiling in HSCs, we showed that LARP6 interacted with mature mRNAs comprising over 300 genes, including RNA structural elements within COL1A1, COL1A2, and COL3A1 to regulate mRNA expression and translation. IP-MS analysis demonstrated LARP6 protein–protein interactions with mRNA translation components and the actin cytoskeleton. Furthermore, dsiRNA-based HSC-specific gene knockdown or pharmacological inhibition of LARP6 attenuated fibrosis development in human MASH and MetALD liver spheroids. Our results suggest LARP6 plays a key role in fibrogenic gene regulation and that targeting LARP6 in human HSCs may represent a therapeutic approach for liver fibrosis.