ArticleBiological trace element research2026
Impact of Dietary Salicylates on Iron, Zinc, and Copper Status in Preeclampsia Model Rats Induced by L-NAME.
Article in Biological trace element research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Low-dose aspirin prophylaxis is recommended for women at high risk of preeclampsia. It has been suggested that dietary salicylates may have a similar effect. Despite the known anti-inflammatory properties of salicylates, their influence on trace elements in preeclampsia remains unclear. This research investigated the effect of dietary salicylates and aspirin on iron, zinc, and copper status in rats with NG-nitro-L-arginine methyl ester (L-NAME)-induced preeclampsia. The study involved pregnant Sprague Dawley rats divided into six groups: control group (CH), preeclamptic rats (CP), preeclamptic rats with a low dose of dietary salicylate (LSP), preeclamptic rats with a high dose of dietary salicylate, preeclamptic rats with a low dose of aspirin (LAP), and preeclamptic rats with a high dose of aspirin. The content of trace elements in diets, liver, kidney, heart, spleen, pancreas, femur, brain, and hair was measured using flame atomic absorption spectrometry. Salicylate concentrations in diets, serum, and urine were analyzed using HPLC and UHPLC-MS/MS systems. Administration of L-NAME resulted in elevated blood pressure across groups, and only the LAP group had blood pressure levels comparable to the CH group. Preeclampsia significantly decreased serum hepcidin levels, while salicylates abolished this effect. Salicylate administration significantly decreased iron levels in hair and increased maternal zinc concentrations in the brain. Dietary salicylates markedly increased zinc levels in the placenta. In conclusion, L-NAME-induced preeclampsia decreases maternal serum hepcidin. Treatment with salicylates modulates iron and zinc status in preeclamptic rats, with specific effects on hepcidin levels.
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