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Wayne State University Dissertations

Medical Molecular Biology

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Effect Of Dietary Folate Restriction On Colon Carcinogenesis In Dna Polymerase Β Haploinsufficient Mice, Lisa F. Ventrella Lucente Jan 2010

Effect Of Dietary Folate Restriction On Colon Carcinogenesis In Dna Polymerase Β Haploinsufficient Mice, Lisa F. Ventrella Lucente

Wayne State University Dissertations

The data presented in this research is central to establishing the role that the base excision repair pathway (BER) plays in the development and progression of colon cancer when dietary folate is deficient. Both cellular folate restriction and BER deficiencies have been shown to result in the accumulation of endogenous damage and lesions that could eventually develop into carcinogenesis. In this study, a dietary folate deficiency (FD) resulted in a significant increase in aberrant crypt foci (ACF) formation and triggered liver tumorogenesis in wildtype (WT) animals, as did a BER deficiency in DNA polymerase Β haploinsufficient (Β-pol+/-) mice exposed to …