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. 2020 Sep;8(5):1126-1135.
doi: 10.1111/andr.12785. Epub 2020 Apr 6.

Semen endocannabinoids are correlated to sperm quality in a cohort of 200 young Swiss men

Fanny Zufferey  1 , Nicolas Donzé  1 , Rita Rahban  2 , Alfred Senn  2 , Eric Stettler  2 , Serge Rudaz  3 , Serge Nef  2 , Michel F Rossier  1   4
Affiliations
Free article

Semen endocannabinoids are correlated to sperm quality in a cohort of 200 young Swiss men

Fanny Zufferey et al. Andrology. 2020 Sep.
Free article

Abstract

Background: A role for endocannabinoids in the male and female reproductive systems has been highlighted during the recent decades. Some of these compounds bind the cannabinoid CB1 receptor, which is abundantly expressed in the central nervous system but also present in the reproductive system, while others act as 'entourage compounds' modulators.

Objectives: The present study aimed at evaluating the relationship between sperm quality and endocannabinoid profiles in a cohort of 200 young Swiss men and whether the presence of specific xenobiotics could influence these profiles.

Materials and methods: Semen analysis was performed according to WHO guidelines. Endocannabinoid profiles in blood and semen, as well as bisphenol A and S in urine, were determined by LC-MSMS methods. The presence of selected drugs was tested in urine by immunological screening, and urinary tetrahydrocannabinol (THC) metabolites were quantified by GC-MS.

Results: Anandamide concentrations in seminal fluid and oleoylethanolamide (OEA) concentrations in blood serum appeared inversely correlated with sperm motility, while semen palmytoylethanolamide (PEA) was positively linked to sperm concentration. Moreover, OEA and PEA in seminal fluid were associated with better sperm morphology. Interestingly, the concentrations of the same endocannabinoids measured in both blood and semen were not correlated, and the presence of THC metabolites in some individuals was linked to lower concentrations of endocannabinoids.

Conclusions: In the context of the general decline of the sperm count observed within the male population, endocannabinoids in semen constitute a class of promising biochemical markers that open new perspectives as a complement for the usual evaluation of semen quality or for the toxicological screening of individuals' exposure to putative endocrine disruptors.

Keywords: blood; endocannabinoids; endocrine disruptors; fertility; semen quality; sperm.

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References

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