ArticleCellular and molecular life sciences : CMLS2026
Hepatocyte CD146 and soluble CD146 promote hepatic stellate cell activation via the integrin αvβ1-p38 MAPK signaling axis to drive liver fibrosis.
Article in Cellular and molecular life sciences : CMLS, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
During chronic liver injury, hepatocytes promote liver fibrosis by interacting with hepatic stellate cells (HSCs). However, the key intracellular factors that regulate intercellular communication in hepatocytes remain poorly understood. Although cluster of differentiation 146 (CD146) is predominantly recognized as an endothelial cell marker, our study found that CD146 is substantially upregulated in hepatocytes under fibrotic stress and may play an independent role in transcellular signaling. This study aimed to elucidate the functions and underlying mechanisms of hepatocyte CD146 in liver fibrosis. We evaluated CD146 expression in liver tissues and serum soluble CD146 (sCD146) levels in patients with liver fibrosis and mouse models. Hepatocyte-specific CD146-overexpressing mice (AAV8-CD146) were generated and fed either a normal chow diet (NCD) or a high-fat diet (HFD); hepatocyte-specific CD146 knockout mice (CD146
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