Abstract:
:Male Sprague-Dawley rats, weighing 175-200 g, six per group were fed AIN 93M diet (CON) or diets containing 500 mg Ca (LCa), 7 mg Zn (LZn), 2 mg Cu (LCu), 60 mg Zn (HZn), or 12 mg Cu (HCu) per kilogram of diet in the following combinations: control (CON), LCa+LZn (LC+Z), LCa+LZn+LCu (LC+Z+C), or HZn+HCu (HZ+C) without or with a pesticides mixture (PM); Endosulfan, Thiram, and Acephate were added to the diets at 25% of LD50/kg. Rats were fed for 2 wk (small intestinal changes) or 4 wk (tissues changes). Plasma Zn was 47% lower than CON in the experimental groups. Plasma Cu and ceruloplasmin concomitantly decreased in the LC+Z+C group and increased with the addition of PM. Kidney Cu was 40% lower in LC+Z+C group, than CON and increased by 31% with PM; in the HZ+C+PM group, kidney Cu was 38% higher than the HZ+C group. Mucosal and small intestines Ca declined by 47% in all experimental groups; PM increased Zn in the LC+Z+C and HZ+C groups; PM further decreased intestinal and mucosal Cu retention in the LC+Z+C and HZ+C groups. Data suggest that low levels of PM in the diet can induce Cu accumulation in the kidney when dietary Zn and Cu are low or high.
journal_name
Biol Trace Elem Resjournal_title
Biological trace element researchauthors
Panemangalore M,Bebe FNdoi
10.1385/BTER:108:1-3:169subject
Has Abstractpub_date
2005-01-01 00:00:00pages
169-84issue
1-3eissn
0163-4984issn
1559-0720pii
BTER:108:1-3:169journal_volume
108pub_type
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