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Sex-specific elemental accumulation and histopathology of pikeperch (Sander lucioperca) from Garaši reservoir (Serbia) with human health risk assessment

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Abstract

Accumulation of 26 elements (Ag, Al, As, B, Ba, Ca, Cd, Co, Cr, Cu, Fe, Hg, K, Li, Mg, Mn, Mo, Na, Ni, P, Pb, S, Se, Si, Sr, and Zn) was analyzed in the gills, liver, and muscle of pikeperch males and females from Garaši reservoir using inductively coupled plasma optical emission spectrometry (ICP-OES). Histopathological (HP) changes in the gills and liver, and human health risk were also analyzed. The gills were most affected by metal pollution in both sexes. The concentrations of Hg in muscle tissue of four males, and Cd in two females and two males exceeded the maximum allowed concentrations. Statistical tests only revealed significant differences regarding the concentrations of Mg, K, and S in the muscle (higher in males) and Al, Ag, and Mn in the liver (higher in females) of individuals between sexes. Low to moderate levels of pathological changes were recorded for the gills and liver in both sexes. Significant differences between sexes were observed for inflammatory index of gills (IGI) and HP index of gills (IG), males had higher values compared to females, and for liver necrosis, where females had higher values compared to males. Gills were less affected by HP changes compared to the liver. There was no significant non-cancerogenic and cancerogenic health risk due to the consumption of pikeperch meat from the Garaši reservoir. However, women are under greater risk by consuming the meat of both male and female individuals, probably due to a longer lifetime and lesser body weight compared to the men.

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All data generated or analyzed during this study are included in this published article [and its supplementary information files].

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Acknowledgements

The authors wish to express their gratitude to Dr. Mirjana Mihailović for her contribution in preparation of samples for elemental analysis, Dr. Ljiljana Kostić Kravljanac who helped with the ICP-OES analysis, and Zorica Radović for preparing samples for histological analysis.

Funding

This study was supported by the Ministry of Education, Science, and Technological Development of the Republic of Serbia (No. of contracts: 451-03-9/2021-14/200053 and 451-03-9/20201-14/200116).

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DN: Conceptualization; Investigation; Formal Analysis; Visualization; Writing – Original Draft; SS: Investigation; Supervision; Visualization; VP: Supervision; Writing – Review & Editing; BR: Formal Analysis; Visualization; Writing – Review & Editing.

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Correspondence to Dušan Nikolić.

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Nikolić, D., Skorić, S., Poleksić, V. et al. Sex-specific elemental accumulation and histopathology of pikeperch (Sander lucioperca) from Garaši reservoir (Serbia) with human health risk assessment. Environ Sci Pollut Res 28, 53700–53711 (2021). https://doi.org/10.1007/s11356-021-14526-w

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  • DOI: https://doi.org/10.1007/s11356-021-14526-w

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