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. 1992 Nov;141(5):1037-41.

Synaptophysin expression in "ependymal tumors" induced by ethyl-nitrosourea in rats

J Vaquero  1 , S Coca, M Zurita, S Oya, A Arias, M Moreno, C Morales
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Synaptophysin expression in "ependymal tumors" induced by ethyl-nitrosourea in rats

J Vaquero et al. Am J Pathol. 1992 Nov.

Abstract

Synaptophysin expression was studied in seven "ependymomas" induced by transplacental administration of ethyl-nitrosourea in rats. In all the cases, strong positivity for synaptophysin was found on tumor cells. This finding supports previous studies suggesting that ENU-induced brain tumors considered to be ependymal neoplasms, are, in fact, primitive neuroectodermal tumors.

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