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Article

Mercury Exposure Assessment in Mother–Infant Pairs from Continental and Coastal Croatia

1
Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia
2
Department for Health Studies, University of Zadar, 23000 Zadar, Croatia
3
Clinical Department of Obstetrics and Gynecology, Merkur University Hospital, 10000 Zagreb, Croatia
*
Author to whom correspondence should be addressed.
Biomolecules 2020, 10(6), 821; https://doi.org/10.3390/biom10060821
Received: 14 April 2020 / Revised: 20 May 2020 / Accepted: 21 May 2020 / Published: 27 May 2020
(This article belongs to the Special Issue Toxic and Essential Metals in Human Health and Disease)
The main source of mercury (Hg) exposure in the general population is fish. Another possible source is dental amalgam. Here, we compare the levels of Hg and selenium (Se) in samples of maternal and fetal origin collected shortly after childbirth of healthy postpartum women in the coastal (n = 96) and continental (n = 185) areas of Croatia related to maternal seafood/fish consumption. We also evaluated Hg concentrations and maternal serum metallothionein (MT2) concentrations in relation to the number of dental amalgam fillings, and MT2A-5A/G (rs28366003) polymorphism. The levels of Hg and Se in maternal hair and blood/serum, placenta and cord blood/serum increased in relation to increasing fish consumption with the highest values in subjects from the coast. The concentrations of each element and between elements correlated across the matrices. Increasing amalgam number correlated linearly with increased Hg levels in maternal and cord serum and was not associated with serum MT2. No association of MT2A-5A/G polymorphism and Hg or Se levels were found. The results confirmed higher fish consumption in coastal vs. continental Croatia and increases of both Hg and Se related to fish consumption in all analyzed samples. Increased blood Hg reflected the predominant MeHg share from seafood, while increased serum Hg matched exposure from dental amalgams. View Full-Text
Keywords: fish consumption; dental amalgams; mercury; selenium; postpartum women fish consumption; dental amalgams; mercury; selenium; postpartum women
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MDPI and ACS Style

Sekovanić, A.; Piasek, M.; Orct, T.; Sulimanec Grgec, A.; Matek Sarić, M.; Stasenko, S.; Jurasović, J. Mercury Exposure Assessment in Mother–Infant Pairs from Continental and Coastal Croatia. Biomolecules 2020, 10, 821. https://doi.org/10.3390/biom10060821

AMA Style

Sekovanić A, Piasek M, Orct T, Sulimanec Grgec A, Matek Sarić M, Stasenko S, Jurasović J. Mercury Exposure Assessment in Mother–Infant Pairs from Continental and Coastal Croatia. Biomolecules. 2020; 10(6):821. https://doi.org/10.3390/biom10060821

Chicago/Turabian Style

Sekovanić, Ankica, Martina Piasek, Tatjana Orct, Antonija Sulimanec Grgec, Marijana Matek Sarić, Sandra Stasenko, and Jasna Jurasović. 2020. "Mercury Exposure Assessment in Mother–Infant Pairs from Continental and Coastal Croatia" Biomolecules 10, no. 6: 821. https://doi.org/10.3390/biom10060821

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