Quantitative assessment of heavy metal effects on sperm function using computer‐aided sperm analysis and cytotoxicity assays

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dc.contributor.authorHardneck, Farren
dc.contributor.authorIsrael, Gadieja
dc.contributor.authorPool, Edmund
dc.contributor.authorMaree, Liana
dc.date.accessioned2018-10-01T07:50:53Z
dc.date.available2018-10-01T07:50:53Z
dc.date.issued2018
dc.description.abstractOne known environmental risk factor impacting on human reproduction is heavy metal pollution. Although some metals (e.g., Cu, Se and Zn) have protective effects on the male reproductive system in low doses, heavy metals can accumulate to toxic levels and result in poor semen quality and decreased sperm function. We investigated the effect of CuSO4 and CdCl2 (10, 50, 100 and 250 μg/ml or 500 μg/ml) on human sperm motility and vitality by using computer‐aided sperm analysis (CASA) and two cytotoxicity assays (WST‐1 and XTT). Several sperm motility parameters were significantly reduced after 5 hr of exposure to the highest concentrations of CuSO4 (250 μg/ml) and CdCl2 (500 μg/ml). The WST‐1 assay also revealed significantly lower absorbance values for 50, 100 and 250 μg/ml CuSO4 and for 500 μg/ml CdCl2; however, no significant effect was seen with XTT. The calculated average IC50 value was 50.31± 4.34 μg/ml for CuSO4 and 392.32 ±76.79 μg/ml for CdCl2. The effects of these metals were confirmed with MgCl2, a positive control. This study provides threshold concentrations for the harmful effect of CuSO4 and CdCl2 on human spermatozoa and recommends the use of WST‐1 as vitality assay in future in vitro studies.en_US
dc.identifier.citationHardneck, F. et al. (2018). Quantitative assessment of heavy metal effects on sperm function using computer‐aided sperm analysis and cytotoxicity assays. Andrologia, 2018: e13141.en_US
dc.identifier.issn0303-4569
dc.identifier.urihttps://doi.org/10.1111/and.13141
dc.identifier.urihttp://hdl.handle.net/10566/4077
dc.language.isoenen_US
dc.privacy.showsubmitterFALSE
dc.publisherWileyen_US
dc.rightsThis is the author-version of the article published online at: https://doi.org/10.1111/and.13141
dc.status.ispeerreviewedTRUE
dc.subjectCadmium chlorideen_US
dc.subjectCopper sulphateen_US
dc.subjectSperm motilityen_US
dc.subjectSperm vitalityen_US
dc.subjectWST‐1en_US
dc.titleQuantitative assessment of heavy metal effects on sperm function using computer‐aided sperm analysis and cytotoxicity assaysen_US
dc.typeArticleen_US

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