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Genetics and Genomics

Electronic Theses and Dissertations

2016

Genetics

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Congenic And Functional Analysis Of Rat Mammary Cancer Susceptibility., Saasha Le May 2016

Congenic And Functional Analysis Of Rat Mammary Cancer Susceptibility., Saasha Le

Electronic Theses and Dissertations

Breast cancer is a complex disease affected by genetic, epigenetic and environmental factors. The genetic architecture of breast cancer comprises of high to low penetrance alleles. Although low penetrance alleles associate with a small change in an individual’s risk to breast cancer, the total number of variants present and the high population frequency attributes to a much greater population based impact compared to rare high penetrance alleles. Animal models have been used to study these low penetrance modifier alleles in breast cancer. Different rat strains vary in their susceptibility to 7,12- dimethybenzanthracene (DMBA) induced mammary carcinogenesis, with the Wistar- Furth …