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. 1987 Aug;73:115–123. doi: 10.1289/ehp.8773115

Experimental induction of ovarian Sertoli cell tumors in rats by N-nitrosoureas.

A Maekawa 1, H Onodera 1, H Tanigawa 1, K Furuta 1, J Kanno 1, T Ogiu 1, Y Hayashi 1
PMCID: PMC1474567  PMID: 3665856

Abstract

Spontaneous ovarian tumors are very rare in ACI, Wistar, F344 and Donryu rats; the few neoplasms found are of the granulosa/theca cell type. Ovarian tumors were also rare in these strains of rats when given high doses of N-alkyl-N-nitrosoureas continuously in the drinking water for their life-span; however, relatively high incidences of Sertoli cell tumors or Sertoli cell tumors mixed with granulosa cell tumors were induced in Donryu rats after administration of either a 400 ppm N-ethyl-N-nitrosourea solution in the drinking water for 4 weeks or as a single dose of 200 mg N-propyl-N-nitrosourea per kg body weight by stomach tube. Typical Sertoli cell tumors consisted of solid areas showing tubular formation. The tubules were lined by tall, columnar cells, with abundant, faintly eosinophilic, often vacuolated cytoplasm, and basally oriented, round nuclei, resembling seminiferous tubules in the testes. In some cases, Sertoli cell tumor elements were found mixed with areas of granulosa cells. The induction of ovarian Sertoli cell tumors in Donryu rats by low doses of nitrosoureas may provide a useful model for these tumors in man.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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