## Abstract The effect of five months' exposure to 0.5% lead acetate in drinking water on hormone levels of developing rats was studied. The hypothalamic and striatic concentrations of noradrenaline (NA) were decreased in both sexes. In female but not in male rats, blood and adrenal catecholamines
Effect of chronic lead exposure on biopterin metabolism in the rat neostriatum
✍ Scribed by Daniel Martínez-Fong; M. E. Gutiérrez; J. Aceves
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- English
- Weight
- 301 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0360-4012
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Chronic (3 months) lead exposure increased the quinonoid dihydropteridine reductase activity and the tetrahydrobiopterin content but did not affect the GTP‐cyclohydrolase activity and the dihydrobiopterin content. These results suggest that lead intoxication may enhance dopamine metabolism in neostriatum by increasing the content of tetrahydrobiopterin, the regulating cofactor of tyrosine hydroxylase activity.
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