Iron-induced liver injury.

Area of Science:

• Hepatology
• Toxicology
• Cell Biology

Background:

• Iron is vital for life but poses significant health risks when overloaded.
• The liver is a primary organ affected by iron toxicity due to its role in iron uptake and storage.
• Hepatic iron overload can damage hepatocytes, Kupffer cells, and stellate cells, as well as mitochondria, lysosomes, and endoplasmic reticulum.

Purpose of the Study:

• To review the detrimental effects of iron overload on liver health.
• To highlight the link between excessive iron and various liver pathologies.

Main Methods:

• Literature review of studies on iron metabolism and liver disease.
• Analysis of the mechanisms of iron-induced hepatic toxicity.
• Examination of clinical outcomes associated with iron overload.

Main Results:

• Heavy iron overload, seen in hemochromatosis, can result in cirrhosis, liver failure, and hepatocellular carcinoma.
• Iron contributes to alcoholic liver disease, nonalcoholic steatohepatitis, and chronic viral hepatitis.
• Iron's role is also implicated in porphyria cutanea tarda, alpha-1-antitrypsin deficiency, and end-stage liver disease.

Conclusions:

• Iron overload is a critical factor in the pathogenesis of numerous liver conditions.
• Understanding iron's toxic effects is crucial for managing and preventing liver disease progression.
• Targeting iron metabolism may offer therapeutic strategies for liver protection.