Abstract

Zearalenone (ZEN) and its derivative, zearalanone (ZAN), are endocrine disruptive mycotoxins produced by Fusarium species. We investigated the human placental metabolism of ZEN and ZAN invitro in JEG-3 cells, human term placental subcellular fractions and recombinant enzymes. Human placental enzymes were capable of metabolizing ZEN and ZAN to their primary OH-metabolites which have higher affinity for estrogen receptors than their parent compounds. These metabolites may interfere with physiological placental estrogen signaling and thus disrupt the progress of gestation.

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