p,p′-DDE activates CatSper and compromises human sperm function at environmentally relevant concentrations

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p,p′-DDE activates CatSper and compromises human sperm function at environmentally relevant concentrations

STUDY QUESTION Is the environmental endocrine disruptor p,p'-dichlorodiphenyldichloroethylene (p,p'-DDE) able to induce non-genomic changes in human sperm and consequently affect functional sperm parameters? SUMMARY ANSWER p,p'-DDE promoted Ca(2+) flux into human sperm by activating CatSper channels even at doses found in human reproductive fluids, ultimately compromising sperm parameters imp...

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The CatSper channel: a polymodal chemosensor in human sperm.

The sperm-specific CatSper channel controls the intracellular Ca(2+) concentration ([Ca(2+)](i)) and, thereby, the swimming behaviour of sperm. In humans, CatSper is directly activated by progesterone and prostaglandins-female factors that stimulate Ca(2+) influx. Other factors including neurotransmitters, chemokines, and odorants also affect sperm function by changing [Ca(2+)](i). Several liga...

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ژورنال

عنوان ژورنال: Human Reproduction

سال: 2013

ISSN: 1460-2350,0268-1161

DOI: 10.1093/humrep/det372