Iron-Induced Liver Injury: A Critical Reappraisal.
Level 5 - mechanism / opinion, no new human data
Narrative review of cell culture, animal, and clinical literature without systematic search methodology.
PubMed 31052166 · doi:10.3390/ijms20092132
What was done
The authors reviewed literature from cell culture experiments, animal models, and clinical studies addressing the hepatotoxicity and fibrogenicity of iron overload across conditions including hereditary hemochromatosis, hepatitis C, and nonalcoholic fatty liver disease.
What was found
No quantitative data or effect sizes are reported in the abstract. Qualitatively, the review notes that iron overload is only weakly fibrogenic in animal models, rarely causes serious liver damage on its own in humans, and likely requires coexisting inflammation and hepatocyte necrosis to drive significant fibrogenic responses.
Why it matters
This paper challenges the prevailing view that iron overload is an independent major driver of liver injury, suggesting clinical claims of direct iron hepatotoxicity require re-evaluation.
Limits
The abstract provides no study counts, sample sizes, search strategy, or numerical findings. Narrative synthesis introduces potential selection bias, and findings from cell and animal models may not translate directly to human disease.
Cited by
- supports Excess iron accumulation can cause liver inflammation and cirrhosis.