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Schmidt, J. ; Heermeier, K. ; Linzner, U. ; Luz, A. ; Silbermann, M.* ; Livne, E.* ; Erfle, V.

Osteosarcomagenic doses of radium (224Ra) and infectious endogenous retroviruses enhance proliferation and osteogenic differentiation of skeletal tissue differentiating in vitro.

Radiat. Environ. Biophys. 33, 69-79 (1994)
DOI PMC
Open Access Green as soon as Postprint is submitted to ZB.
Cartilage tissue from embryonic mice which undergoes osteogenic differentiation during in vitro cultivation was used to study the effect of osteosarcomagenic doses of alpha-irradiation and bone-tumor-inducing retroviruses on proliferation and phenotypic differentiation of skeletal cells in a defined tissue culture model. Irradiated mandibular condyles showed dose-dependent enhancement of cell proliferation at day 7 of the culture and increased osteogenic differentiation at day 14. Maximal effects were found with 7.4 Bq/ml of 224Ra-labeled medium. Doses of 740 and 7400 Bq/ml of 224Ra-labeled medium induced increasing cell death. Retrovirus infection enhanced osteogenic differentiation and extended the viability of irradiated cells. After transplantation none of the treated tissues developed tumors in syngeneic mice.
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Publication type Article: Journal article
Document type Scientific Article
Language english
Publication Year 1994
HGF-reported in Year 0
ISSN (print) / ISBN 0301-634X
e-ISSN 1432-2099
Quellenangaben Volume: 33, Issue: 1, Pages: 69-79 Article Number: , Supplement: ,
Publisher Springer
Reviewing status Peer reviewed
PubMed ID 8202594
Scopus ID 0028354765
Erfassungsdatum 1994-12-31