Direct action of endocrine disrupting chemicals on human sperm

Christian Schiffer, Astrid Müller, Dorte L Egeberg, Luis Alvarez, Christoph Brenker, Anders Aagaard Rehfeld, Hanne Frederiksen, Benjamin Wäschle, U Benjamin Kaupp, Melanie Balbach, Dagmar Wachten, Niels E Skakkebaek, Kristian Almstrup, Timo Strünker

90 Citations (Scopus)

Abstract

Synthetic endocrine disrupting chemicals (EDCs), omnipresent in food, household, and personal care products, have been implicated in adverse trends in human reproduction, including infertility and increasing demand for assisted reproduction. Here, we study the action of 96 ubiquitous EDCs on human sperm. We show that structurally diverse EDCs activate the sperm-specific CatSper channel and, thereby, evoke an intracellular Ca(2+) increase, a motility response, and acrosomal exocytosis. Moreover, EDCs desensitize sperm for physiological CatSper ligands and cooperate in low-dose mixtures to elevate Ca(2+) levels in sperm. We conclude that EDCs interfere with various sperm functions and, thereby, might impair human fertilization.

Original languageEnglish
JournalE M B O Reports
Volume15
Issue number7
Pages (from-to)758-65
Number of pages8
ISSN1469-221X
DOIs
Publication statusPublished - Jul 2014
Externally publishedYes

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