ArticleCancer prevention research (Philadelphia, Pa.)2013
Mapping of three genetic determinants of susceptibility to estrogen-induced mammary cancer within the Emca8 locus on rat chromosome 5.
Article in Cancer prevention research (Philadelphia, Pa.), 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 19 citations in OpenAlex.
- Rat Models of Hormone Receptor-Positive Breast Cancer.Journal of mammary gland biology and neoplasia · 2024Review
- Deletion of Cdkn1b in ACI rats leads to increased proliferation and pregnancy-associated changes in the mammary gland due to perturbed systemic endocrine environment.PLoS genetics · 2019Article
- Mapping Mammary Tumor Traits in the Rat.Methods in molecular biology (Clifton, N.J.) · 2019Review
- Rat models of 17β-estradiol-induced mammary cancer reveal novel insights into breast cancer etiology and prevention.Physiological genomics · 2018Review
- Article
- Genome-Wide Analysis Identifies Germ-Line Risk Factors Associated with Canine Mammary Tumours.PLoS genetics · 2016Article
- Article
- Development and characterization of a novel rat model of estrogen-induced mammary cancer.Endocrine-related cancer · 2015Article
- Genetic etiology of renal agenesis: fine mapping of Renag1 and identification of Kit as the candidate functional gene.PloS one · 2015Article
- Ept7 influences estrogen action in the pituitary gland and body weight of rats.Mammalian genome : official journal of the International Mammalian Genome Society · 2014Article
- Validation of six genetic determinants of susceptibility to estrogen-induced mammary cancer in the rat and assessment of their relevance to breast cancer risk in humans.G3 (Bethesda, Md.) · 2014Article
- Association of cellular and molecular responses in the rat mammary gland to 17β-estradiol with susceptibility to mammary cancer.BMC cancer · 2013Article
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7 authors at 3 institutions in 1 country.
Funding
Abstract
The ACI rat model of 17β-estradiol (E2)-induced mammary cancer has gained wide use in the study of breast cancer etiology, prevention, and genetics. Emca8, a QTL that determines susceptibility to E2-induced mammary cancer, was previously mapped to rat chromosome 5 (RNO5) in an intercross between resistant Brown Norway (BN) and susceptible ACI rats. In this study, a panel of congenic rat strains, each of which carries BN alleles across a defined segment of RNO5 on the ACI genetic background, was generated and used to map more precisely the Emca8 determinants of mammary cancer susceptibility. Three distinct genetic determinants were localized within Emca8, and two of these were mapped to intervals of less than 15 megabases. Emca8.1 harbors Cdkn2a, Cdkn2b, and other genes and is orthologous to the 9p21 breast cancer locus identified in genome-wide and candidate gene association studies. Emca8.2 harbors Cdkn2c and other genes and is orthologous to the 1p32 locus in humans that is frequently deleted in breast cancers. Both Emca8.1 and Emca8.2 harbor copy number variants that are orthologous to copy number variant regions in humans. Gene expression profiles were defined for mammary tissues from E2-treated ACI and ACI.BN-Emca8 rats to define the impact of Emca8 on gene expression and identify differentially expressed genes residing within Emca8.1 and Emca8.2. This study further illustrates the relevance of the ACI rat model of E2-induced mammary cancer for identifying novel genetic determinants of breast cancer susceptibility and defining the mechanisms through which estrogens contribute to breast cancer development. Cancer Prev Res; 6(1); 59-69. ©2012 AACR.
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