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Studies on the action of pesticides upon the endocrines using in vitro human thyroid cells culture and in vivo animal models. I. Herbicides--aminotriasole (amitrol) and atrazine

Ghinea, E.; Simionescu, L.; Oprescu, M.

Endocrinologie 17(3): 185-190

1979

ISSN/ISBN: 0253-1801
PMID: 583081
Document Number: 153341
The action of aminotriasole (amitrol) and atrazine in doses of 0.001--1 mg and 0.0001--.01 mg/1.5 ml medium, respectively, upon cell cultures of human thyroid was studied in order to find out their influence on cell multiplication, proteic synthesis, enzymatic activity of thyroid cells, and hormonal synthesis. The results varied according to the dose utilized and the type of thyroid cell studied. The acute experiment carried out on rats treated 15 days with 500 ppm amitol and 50 ppm atrazine revealed variations in the T3, T4 and LH synthesis. Amitrol showed a strong inhibitory action on T3 and T4 secretion, whereas atrazine stimulated it.

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