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  S-antigen and rod-opsin immunoreactions in midline brain neoplasms of transgenic mice: Similarities to pineal cell tumors and certain medulloblastomas in man.

Korf, H. W., Gotz, W., Herken, R., Theuring, F., Gruss, P., & Schachenmayr, W. (1990). S-antigen and rod-opsin immunoreactions in midline brain neoplasms of transgenic mice: Similarities to pineal cell tumors and certain medulloblastomas in man. Journal of Neuropathology and Experimental Neurology, 49(4), 424-437. doi:10.1097/00005072-199007000-00006.

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 Urheber:
Korf, H. W., Autor
Gotz, W., Autor
Herken, R., Autor
Theuring, F., Autor
Gruss, P.1, Autor           
Schachenmayr, W., Autor
Affiliations:
1Department of Molecular Cell Biology, MPI for biophysical chemistry, Max Planck Society, ou_578585              

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 Zusammenfassung: Transgenic mice expressing the large T-antigen of the simian virus 40 (SV 40) under the control of 1) the enhancer of Moloney murine sarcoma virus (MSV) and 2) the SV 40 promoter develop undifferentiated neuroectodermal tumors located in the midline of the dorsal brain surface, abnormalities in lens fiber differentiation and retinal dysplasia. In this study the brain neoplasms of six adult animals and the brain of one 11-day old mouse were examined by conventional histology and immunocytochemical demonstration of S-antigen, rod-opsin, neuron-specific enolase, neurofilaments (160 and 200 kDa) and glial fibrillary acidic protein. According to histologic criteria the neoplasms were characterized as "primitive" neuroectodermal tumors composed mainly of small cells with scanty and ill-defined cytoplasm. Neoplastic cells displaying immunoreactive S-antigen were found in five brain tumors; three of these tumors also contained a limited number of rod-opsin immunoreactive neoplastic cells. Some tumor cells had neurite-like processes containing immunoreactive neurofilament (200 kDa). No pathologic lesions were found in the brain of the 11-day old animal. Tumors in transgenic mice may resemble pineal cell tumors and a special subtype of medulloblastoma in man. These neoplasms contain S-antigen immunoreactive and also rod-opsin immunoreactive tumors cells in certain cases. The findings suggest that transgenic mice expressing the large T-antigen of SV 40 may become a valuable animal model for analysing the origin, histogenesis and development of primitive neuroectodermal tumors with photoreceptor-like features (pineal cell tumors and certain medulloblastomas).

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Sprache(n): eng - English
 Datum: 1990-07
 Publikationsstatus: Erschienen
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 Art der Begutachtung: Expertenbegutachtung
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Titel: Journal of Neuropathology and Experimental Neurology
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 49 (4) Artikelnummer: - Start- / Endseite: 424 - 437 Identifikator: ISSN: 0022-3069