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Ce produit n'est pas destiné à diagnostiquer, traiter, guérir ou prévenir toute maladie. Ces déclarations n'ont pas été évaluées par la Food and Drug Administration.
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Ces informations sont fournies à titre éducatif uniquement et ne remplacent pas un avis médical professionnel, un diagnostic ou un traitement. Consultez toujours votre professionnel de santé avant d'utiliser des plantes, surtout si vous êtes enceinte, allaitez, prenez des médicaments ou avez une condition médicale.
Heliotropium europaeum
Mediterranean weed with historical uses for skin ulcers and warts; significant hepatotoxicity risk.
Heliotropium europaeum, a Mediterranean weed historically used for warts and skin ulcers, is now recognized for its severe hepatotoxicity due to pyrrolizidine alkaloids (PAs) such as heliotrine and lasiocarpine. Its primary active compounds cause irreversible liver damage and veno-occlusive disease, rendering internal use contraindicated. Modern understanding limits its application to external historical contexts only.
Pyrrolizidine alkaloids (PAs) in Heliotropium europaeum undergo hepatic cytochrome P450 (CYP3A4) bioactivation to form reactive pyrrole metabolites that alkylate DNA and proteins, leading to hepatocyte necrosis and sinusoidal endothelial cell injury. This triggers veno-occlusive disease (VOD) via obstruction of hepatic venules, with subsequent fibrosis and liver failure. The alkaloids also inhibit topoisomerase II and induce oxidative stress, exacerbating cellular damage. Chronic exposure results in cumulative, irreversible hepatotoxicity.
Mediterranean weed with historical uses for skin ulcers and warts; significant hepatotoxicity risk.
Heliotropium europaeum, a Mediterranean weed historically used for warts and skin ulcers, is now recognized for its severe hepatotoxicity due to pyrrolizidine alkaloids (PAs) such as heliotrine and lasiocarpine. Its primary active compounds cause irreversible liver damage and veno-occlusive disease, rendering internal use contraindicated. Modern understanding limits its application to external historical contexts only.
Pyrrolizidine alkaloids (PAs) in Heliotropium europaeum undergo hepatic cytochrome P450 (CYP3A4) bioactivation to form reactive pyrrole metabolites that alkylate DNA and proteins, leading to hepatocyte necrosis and sinusoidal endothelial cell injury. This triggers veno-occlusive disease (VOD) via obstruction of hepatic venules, with subsequent fibrosis and liver failure. The alkaloids also inhibit topoisomerase II and induce oxidative stress, exacerbating cellular damage. Chronic exposure results in cumulative, irreversible hepatotoxicity.