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Cadmium, iron and zinc interaction and hematological parameters in rat dams and their offspring (CROSBI ID 231331)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Mikolić, Anja ; Schonwald, Neala ; Piasek, Martina Cadmium, iron and zinc interaction and hematological parameters in rat dams and their offspring // Journal of trace elements in medicine and biology, 38 (2016), 108-116. doi: 10.1016/j.jtemb.2016.08.008

Podaci o odgovornosti

Mikolić, Anja ; Schonwald, Neala ; Piasek, Martina

engleski

Cadmium, iron and zinc interaction and hematological parameters in rat dams and their offspring

The effects of cadmium (Cd) were evaluated in offspring exposed from birth until weaning (neonatal day 0-21) and 4 weeks after exposure cessation focusing on iron (Fe) and zinc (Zn) levels in organs and hematological parameters. Wistar female rats were administered 50 mg Cd/L in drinking water (Cd-exposed) for 4 weeks before mating and during 3 weeks of gestation plus 3 weeks of lactation. Controls were supplied drinking water. At birth, part of Cd-exposed dams' litters was cross-fostered to control dams (CCd group) and their control litters were cross- fostered to Cd- exposed dams (CdC group). This procedure enabled to discern the effects of gestational, lactational and gestational plus lactational Cd exposure until weaning in F1 offspring. Elements were analyzed by atomic absorption spectrometry ; hematological parameters manually ; and histopathological changes by light microscopy. Gestational plus lactational exposure in Cd-exposed dams and their offspring increased Cd and decreased Fe levels, increased Zn in dams and decreased Zn and body weights in 11- and 21- day pups. In 21-day weanling pups, decreased red blood cell (RBC) count, hemoglobin and hematocrit values and increased reticulocytes in peripheral blood were also found with concomitant histopathological finding of extramedullary hematopoiesis in the liver. In cross-fostered pups with gestational exposure (CCd pups), Fe in the liver decreased on day 11 and Zn increased in the kidney on day 21 whereas in pups with lactational exposure (CdC pups) Zn in the brain decreased on day 11 and Fe decreased in the liver and brain on day 21. Regardless of exposure cessation at weaning, in offspring with gestational plus lactational exposure (Cd-exposed) body weights, kidney and brain Fe levels and RBC and hemoglobin remained decreased in blood until puberty. Furthermore Zn levels increased in the liver, kidney and brain. It was concluded that gestational plus lactational Cd exposure caused decreases in Fe and Zn levels and hematotoxic effects in F1 offspring more pronouncedly than exposure during either gestational or lactational period alone and the adverse effects of maternally mediated Cd exposure continued after exposure cessation into adulthood.

cadmium ; iron ; zinc ; maternal exposure ; offspring ; rat

S.I.: 'ISTERH Congress' ; Tanja Schwerdtle, Jan Aaseth (ur.). ERRATUM CORRIGE: The legend to Fig. 4 in the article contains error in the unit of Cd dose and correct version of its first sentence should have read: 'Extramedullary hematopoiesis in liver of 21-day F1 weanling pups after gestational and lactational exposure to Cd at dose 50 mg/L (as CdCl2×H2O in drinking water of dams).'

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Podaci o izdanju

38

2016.

108-116

objavljeno

0946-672X

10.1016/j.jtemb.2016.08.008

Povezanost rada

Temeljne medicinske znanosti, Kliničke medicinske znanosti, Javno zdravstvo i zdravstvena zaštita

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