Evidence for complex multigenic inheritance of radiation AML susceptibility in mice revealed using a surrogate phenotypic assayDarakhshan, F., Badie, C., Moody, J., Coster, M., Finnon, R., Finnon, P., Edwards, A. A., Szluinska, M., Skidmore, C. J., Yoshida, K., Ullrich, R., Cox, R. and Bouffler, S. D. (2006) Evidence for complex multigenic inheritance of radiation AML susceptibility in mice revealed using a surrogate phenotypic assay. Carcinogenesis, 27 (2). pp. 311-318. ISSN 0143-3334 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1093/carcin/bgi207 Abstract/SummaryThe mapping of genes which affect individual cancer risk is an important but complex challenge. A surrogate assay of susceptibility to radiation-induced acute myeloid leukaemia (AML) in the mouse based on chromosomal radiosensitivity has been developed and validated. This assay was applied to the mapping of radiation-induced AML risk modifier loci by association with microsatellite markers. A region on chromosome (chr) 18 with strong association is identified and confirmed by backcross analysis. Additional loci on chrs 8 and 13 show significant association. A key candidate gene Rbbp8 on chr18 is identified. Rbbp8 is shown to be upregulated in response to X-irradiation in the AML sensitive CBA strain but not AML resistant C57BL/6 strain. This study demonstrates the strength of utilizing surrogate endpoints of cancer susceptibility in the mapping of mouse loci and identifies additional loci that may affect radiation cancer risk.
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