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  • Title: Thyroid activity during hepatocarcinogenesis by N-2-fluorenylacetamide in the male rat.
    Author: Aussel C, Lafaurie M, Castelli D, Formento JL, Stora C.
    Journal: Res Commun Chem Pathol Pharmacol; 1982 Apr; 36(1):105-17. PubMed ID: 7079578.
    Abstract:
    During chemical hepatocarcinogenesis by N-2-fluorenylacetamide, the hormonal status of male Sprague Dawley rats is modified. The histological study of the thyroid gland demonstrates a decreased activity evidenced by an augmentation of the follicle size and a reduced size of follicular epithelium. The level of T3 and T4 reflects in part this decreased activity. Comparison with female rats treated in the same conditions shows an opposite effect of N-2-fluorenylacetamide. Indeed in the female, the thyroid gland presented an hyperactive state accompanied by a drastic decrease of serum T3 and T4. This difference in thyroid activity might take an important part in the mechanism responsible for the sex difference in liver cancer induction by N-2-fluorenylacetamide.
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