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Hepatocytes Promote Liver Metastasis of Pancreatic Cancer by Providing Serine

[Nature] Investigators showed that exogenous serine-dependent pancreatic ductal adenocarcinoma cells reprogram neighbouring hepatocytes through a CXCL5–CXCR2 axis.

Restoration of Aged Liver Regeneration by Youthful Systemic Factors via LTβ-Driven Hepatocyte Reprogramming

[Journal of Hepatology] Scientists aimed to investigate the systemic factors and cellular mechanisms that promote aged liver regeneration, highlighting the therapeutic potential of lymphotoxin β-based strategies to increase regeneration in aging populations.

Butyrylcholinesterase Alleviates Hepatic Stellate Cell Activation via Paracrine Muscarinic Signaling

[Gut] Researchers investigated whether butyrylcholinesterase (BuChE) regulates fibrosis by modulating acetylcholine bioavailability and identified downstream cholinergic signalling, observing increased hepatic stellate cell activation and fibrosis upon hepatocyte BuChE deletion or inhibition.

Development of an Investigational Epigenetic Silencer Therapy to Transcriptionally Inactivate Viral DNA in Chronic Hepatitis B

[Nature Biomedical Engineering] Investigators showed that in hepatitis B virus (HBV) mouse models, a single dose of CRMA-1001, which employs an optimized epigenetic silencer that represses viral transcription, produced >3-log10 reductions in viral biomarkers, which correlated with de novo methylation of HBV DNA.

Cuproptosis in Iron Overload Hepatocytes

[Cell Death & Disease] The authors found that copper-provoked iron vulnerability is not driven by Fenton chemistry-driven ROS damage, but instead induces a cuproptotic-like mechanism, characterized by proteotoxic stress, loss of iron-sulfur cluster enzyme activity, and severe mitochondrial dysfunction in hereditary hemochromatosis.

VGLL4 Enhances PDK4 Transcription and Promotes Metabolic Dysfunction-Associated Fatty Liver Disease

[EMBO Reports] Scientists identified VGLL4 as a positive regulator of metabolic dysfunction-associated fatty liver disease progression.