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- Title
In-Vitro Effects of Perfluorooctanoic Acid on Human Sperm Function: What Are the Clinical Consequences?
- Authors
Alamo, Angela; La Vignera, Sandro; Mogioì, Laura M.; Crafa, Andrea; Barbagallo, Federica; Cannarella, Rossella; Aversa, Antonio; Calogero, Aldo E.; Condorelli, Rosita A.
- Abstract
Background: Lifestyle and environmental pollution harm male fertility. Perfluoroalkyl substances (PFAS) are bio-accumulates in the environment as well as in several human tissues, and one of the most common PFAS is perfluorooctanoic acid (PFOA). Therefore, this study aimed to evaluate the in vitro effects of PFOA with hydrophobic and waterproofing properties on motility and bio-functional sperm parameters. Methods: To accomplish this, 50 healthy men with normozoospermia and not exposed to high doses of PFAS were enrolled. Their spermatozoa were incubated for 3 h with increasing concentrations of PFOA (0, 0.01, 0.1, and 1 mM) to evaluate its effects. In particular, we evaluated the effects of PFOA on total and progressive sperm motility and, by flow cytometry, on the following bio-functional sperm parameters: degree of chromatin compactness, viability, early and late apoptosis, mitochondrial membrane potential, the degree of lipoperoxidation, and concentrations of mitochondrial superoxide anion. Results: The results showed that PFOA decreased both total and progressive sperm motility, impaired chromatin compactness, and increased sperm lipid peroxidation and mitochondrial superoxide anion levels. Conclusions: This study showed that PFOA alters several sperm parameters and thus it may play a negative role in male fertility.
- Subjects
PERFLUOROOCTANOIC acid; SPERMATOZOA; FLUOROALKYL compounds; SPERM motility; MEMBRANE potential
- Publication
Journal of Clinical Medicine, 2024, Vol 13, Issue 8, p2201
- ISSN
2077-0383
- Publication type
Article
- DOI
10.3390/jcm13082201