Abstract:
:The objective of this study was to examine the toxic effects of dietary cadmium (Cd) on bank voles, being the F1 offspring of a wild-caught population. For 6 weeks, the rodents were provided with diets containing 0.05 (control), 40, 80, and 120 microg Cd/g dry wt of diet under moderate (12 h) and long (16 h) photoperiods. Histological examinations and analyses of metallothionein (MT), Cd, Cd bound and not bound to MT, iron and lipid peroxidation in the liver and kidneys were carried out. Histopathological changes occurred in the liver (infiltrations of leukocytes) and kidneys (hemorrhage, glomerular injury, tubular cell degeneration) of bank voles fed the highest dose of dietary Cd only under the moderate photoperiod. The same voles also exhibited the highest values of hepatic and renal Cd, Cd not bound to MT, and renal lipid peroxidation. It seems that under the long photoperiod the liver and kidneys of bank voles were protected against Cd-induced injury through decreasing Cd accumulation and increasing synthesis of MT.
journal_name
Ecotoxicol Environ Safjournal_title
Ecotoxicology and environmental safetyauthors
Włostowski T,Bonda E,Krasowska Adoi
10.1016/S0147-6513(03)00109-Xkeywords:
subject
Has Abstractpub_date
2004-05-01 00:00:00pages
29-36issue
1eissn
0147-6513issn
1090-2414pii
S014765130300109Xjournal_volume
58pub_type
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