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Unraveling the HGF/MET axis in Mallory-Denk body pathogenesis associated with liver fibrosis through single-cell transcriptomics
Abstract Mallory-Denk bodies (MDBs) are protein aggregates commonly observed in chronic liver diseases, including liver fibrosis. However, the intrahepatic crosstalk driving MDB pathogenesis and fibrosis progression remains poorly understood. Using single-nucleus RNA sequencing (snRNA-seq), we identified significant cellular heterogeneity and a distinct hepatocyte subpopulation, termed MDB-associated hepatocytes (MAHs). MAHs were strongly correlated with hepatocellular carcinoma progression.
TGF-β/JNK axis mediates mitochondrial damage and macrophage cGAS-STING activation in liver Mallory-Denk body pathogenesis - Journal of Translational Medicine
Materials and methods Formalin-fixed paraffin-embedded (FFPE) liver biopsies from patients with HCC (n = 10) were obtained from the archives of Qingyuan Affiliated Hospital of Guangzhou Medical University, following Institutional Review Board approval (IRB-2022–094). Cases with significant MDBs (n = 3) were selected and evaluated by experienced pathologists (Table S1). The study adhered to the principles of the Declaration of Helsinki, with data analyzed anonymously.
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