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Environmental exposure to cadmium but not lead is associated with decreased semen quality parameters:quality regionalism of sperm properties

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Asian Journal of Andrology 2022年第1期24卷 26-31页

作者： Katarzyna Olszak-Wasik Andrzej Tukiendorf Aleksandra Kasperczyk Artur Wdowiak stanislaw horak Department of Gynecology Obstetrics and Oncological Gynecology in BytomMedical University of SilesiaSchool of Medicine and Division of Dentistry in ZabrzeBatorego 15Bytom 41-902Poland Department of Public Health Wroclaw Medical UniversityBartla 5Wroclaw 51-618Poland Department of Biochemistry Medical University of SilesiaSchool of Medicine and Division of Dentistry in ZabrzeJordana 19Zabrze 41-808Poland Faculty of Health Sciences Diagnostic Techniques UnitMedical University of LublinStaszica 4/6Lublin 20-081Poland

Environmental factors may negatively contribute to a progressive worsening of semen quality,and differences in semen quality may result from different environmental exposures(regional differences)or lifestyle differences.Heavy metals are factors with a confirmed negative influence on male fertility.Among them,lead and cadmium are commonly found in human surroundings.Thus,we analyzed semen parameters(according to the World Health Organization 2010 recommendations)and semen lead and cadmium concentrations in 188 men from two different regions in Poland,a typical agricultural area and an industrial area,in couples that had been diagnosed with infertility.The assays were performed using flameless electrothermal atomic absorption spectrometry.In the statistical analysis,regional comparisons and then taxonomic comparisons based on three parameters(age,semen concentration,and sperm morphology)were applied.We showed that more cadmium than lead accumulated in semen,a higher cadmium concentration was observed in semen obtained from men from the agricultural region,and better semen quality and lower cadmium concentrations were found in the semen of men from the industrial,more polluted region.We thus showed an existing regionalism in the sperm quality properties.However,semen parameters such as morphology and progressive and nonprogressive motility followed the same trends,regardless of the patient’s age,region,or class.We could conclude that the environment has a minor impact on sperm morphology and progressive and nonprogressive motility and that other existing factors could have an indirect influence on semen quality.

关键词： cadmium environment lead semen quality taxonomic analysis

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