Abstract
In long-term studies in rodents, focal hyperplasias of the thyroid, progressing to adenomas and follicular adenocarcinomas, are often observed. Many chemicals that induce these lesions interfere with thyroid hormone homeostasis, e.g., by inhibition of iodide trapping and oxidation, iodine organification, hormone secretion, protein binding, deiodination, and biliary excretion, followed by a compensatory secretion of thyrotropin (TSH). TSH increases the responsiveness of the thyroid to the mitogenic effect of polypeptide growth factor (Westermark et al. 1985; Polychronakos et al. 1986) and induces diffuse hyperplasia.
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© 1988 Springer-Verlag
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Zbinden, G. (1988). Hyperplastic and Neoplastic Responses of the Thyroid Gland in Toxicological Studies. In: Chambers, P.L., Chambers, C.M., Dirheimer, G. (eds) The Target Organ and the Toxic Process. Archives of Toxicology, vol 12. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-73113-6_15
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DOI: https://doi.org/10.1007/978-3-642-73113-6_15
Publisher Name: Springer, Berlin, Heidelberg
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