Why Do Some People Recover from Acute Liver Failure and Some People Don’t?

Briefly noted: T Lin et al. Hepatology 2022; 322-337. Open Access: Follistatin-controlled activin-HNF4α-coagulation factor axis in liver progenitor cells determines outcome of acute liver failure

Design: After preliminary work in 19 patients with acute liver failure (ALF) and in a zebrafish model, a prospective clinical study followed up 186 patients with cirrhosis for 80 months to observe the relevance of follistatin (FST) levels in prevalence and mortality of acute-on-chronic liver failure.

Key findings: Recovered patients with ALF robustly express HNF4α in either LPCs (liver progenitor cells) or remaining hepatocytes. Serum FST levels could predict the incidence and mortality of acute-on-chronic liver failure.

Implication of study: “Our results indicate that serum FST levels might be a surrogate marker reflecting the extent of hepatocyte death and hepatic insulin resistance, which point to the danger of coagulopathy and clinical deterioration. The hypothesis requires further confirmation in the future.”


Hormone-controlled activin-HNF4α-coagulation factor axis in LPCs

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