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Strauß, P.G. ; Mitreiter, K. ; Zitzelsberger, H. ; Luz, A. ; Schmidt, J. ; Erfle, V.F. ; Höfler, H.

Elevated p53 RNA expression correlates with incomplete osteogenic differentiation of radiation-induced murine osteosarcomas.

Int. J. Cancer 50, 252-258 (1992)
DOI
Open Access Green as soon as Postprint is submitted to ZB.
An important role for the p53 gene in osteogenic sarcomas has been imputed by identification of somatically acquired gene alterations in human osteosarcomas and by the development of osteosarcomas in p53 transgenic mice. To study the involvement of p53 in radiation-induced osteosarcomagenesis, we have investigated gene alterations and expression of p53 in radiation-induced murine osteosarcomas and tumor-derived cell lines. Eighteen of 31 tumors and 8 of 9 cell lines showed alterations in the p53 gene region, or elevated levels of p53 RNA. Expression of the osteoblast marker gene bone gla protein was substantially reduced in tumors which simultaneously showed high steady-state levels of p53 RNA. Our data indicate that p53, in addition to its function in regulating DNA synthesis, may be involved in the control of osteogenic differentiation in osteosarcomagenesis.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
ISSN (print) / ISBN 0020-7136
e-ISSN 1097-0215
Journal International Journal of Cancer
Quellenangaben Volume: 50, Issue: 2, Pages: 252-258 Article Number: , Supplement: ,
Publisher Wiley
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute of Virology (VIRO)
Institute of Pathology (PATH)
Abteilung für Strahlenbiologie und Biophysik