Exposure to persistent organic pollutants and sperm sex chromosome ratio in men from the Faroe Islands.

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Kvist, LinusLund University,Lunds universitet,Molekylärgenetisk reproduktionsmedicin, Malmö,Forskargrupper vid Lunds universitet,Molecular genetic reproductive medicine, Malmö,Lund University Research Groups (author)

Exposure to persistent organic pollutants and sperm sex chromosome ratio in men from the Faroe Islands.

Article/chapterEnglish2014

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Elsevier BV,2014

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LIBRIS-ID:oai:lup.lub.lu.se:9b0628f9-1494-4572-bf10-a96bf6873585
https://lup.lub.lu.se/record/4691496URI
https://doi.org/10.1016/j.envint.2014.09.001DOI

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Language:English
Summary in:English

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People in the Arctic as well as fishermen on the polluted Swedish east coast are highly exposed to persistent organic pollutants (POPs). These compounds have been shown to affect the sperm Y:X chromosome ratio. In present study, the aim was to investigate whether polychlorinated biphenyl (PCB) congeners and 1,1,-dichloro-2,2,-bis(p-chlorophenyl)ethane (p,p'-DDE) influence sperm sex chromosome ratio in Faroese men, and whether these men differ regarding Y:X ratio compared to Greenland Inuit and Swedish fishermen. The study population (n=449) consisted of young men from the general population (n=276) as well as proven fertile men (n=173). The Y:X ratio was assessed by fluorescent in situ hybridization. Serum concentrations of POPs were measured using gas chromatography. Associations between POP concentrations and Y:X ratio were calculated using linear and non-linear regression models as well as trend analysis and pairwise comparison of exposure data categorized into quartiles. The selected POPs were associated with Y:X ratio in fertile Faroese men, but not in the total population; p,p'-DDE (95% CI for B=-0.005 to -0.001, p=0.005) and ΣPCB (95% CI for B=-0.005 to -0.001, p=0.012). Since p,p'-DDE and ΣPCB correlated significantly (r=0.927, p<0.001), the results involving the exposure variables can be regarded as a single finding. The Y:X ratio for the total Faroese population was 0.500±0.018, which was statistically significantly lower than in both Inuit and Swedish fishermen (0.512 for both). In conclusion, Faroese men presented with lower Y:X ratio than Greenland Inuit and Swedish fishermen. Although no direct health effects are expected due to the lower Faroese Y:X ratio, it could be indicative of adverse effects on the reproductive system.

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Giwercman, AleksanderLund University,Lunds universitet,Reproduktionsmedicin, Malmö,Forskargrupper vid Lunds universitet,Reproductive medicine, Malmö,Lund University Research Groups(Swepub:lu)kir-agi (author)
Weihe, P (author)
Kold Jensen, T (author)
Grandjean, P (author)
Halling, J (author)
Skaalum Petersen, M (author)
Giwercman, YvonneLund University,Lunds universitet,Molekylärgenetisk reproduktionsmedicin, Malmö,Forskargrupper vid Lunds universitet,Reproduktionsmedicin, Malmö,Molecular genetic reproductive medicine, Malmö,Lund University Research Groups,Reproductive medicine, Malmö(Swepub:lu)kir-ylu (author)
Molekylärgenetisk reproduktionsmedicin, MalmöForskargrupper vid Lunds universitet (creator_code:org_t)

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In:Environment International: Elsevier BV73, s. 359-3641873-67500160-4120

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MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Obstetrics Gynae ...

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