15–19 Oct 2012
Vietri sul Mare
Europe/Rome timezone

Genetic background and 227Thorium as risk factors in biologically based models for induction of bone cancer in mice

18 Oct 2012, 11:50
20m
Main Hall (Vietri sul Mare)

Main Hall

Vietri sul Mare

oral (20 minutes) Radiation Carcinogenesis Radiation Carcinogenesis

Speaker

Dr Wolfgang Heidenreich (Helmholtz Zentrum München, Neuherberg, Germany)

Description

We find evidence that the different susceptibility of BALB/C and CBA/Ca mice to bone cancer after 227Thorium injection is mostly due to different promotional responses to radiation. In BALB/C x CBA/Ca back-crossed mice we analyzed the specific contribution of two individual loci in the carcinogenic process. This analysis suggests that the two high or low risk alleles are either acting on promotion, or on the background parameters. Taken together with the comparison of CBA/Ca and BALB/C mice, this suggests that the two loci are candidates for modifying radiation-induced promotion.

Primary author

Dr Wolfgang Heidenreich (Helmholtz Zentrum München, Neuherberg, Germany)

Co-author

Dr Michael Rosemann (Helmholtz Zentrum München, Neuherberg, Germany)

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