The role of parental and grandparental epigenetic alterations in familial cancer risk - PubMed (original) (raw)
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The role of parental and grandparental epigenetic alterations in familial cancer risk
Jessica L Fleming et al. Cancer Res. 2008.
Abstract
Epigenetic alterations of the genome such as DNA promoter methylation and chromatin remodeling play an important role in tumorigenesis. These modifications take place throughout development with subsequent events occurring later in adulthood. Recent studies, however, suggest that some epigenetic alterations that influence cancer risk are inherited through the germline from parent to child and are observed in multiple generations. Epigenetic changes may be inherited as Mendelian, non-Mendelian, or environmentally induced traits. Here, we will discuss Mendelian, non-Mendelian, and environmentally induced patterns of multigenerational epigenetic alterations as well as some possible mechanisms for how these events may be occurring.
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