Paternal and maternal genomes confer opposite effects on proliferation, cell-cycle length, senescence, and tumor formation.

Abstract excerpt

Loss of imprinting is the silencing of active imprinted genes or the activation of silent imprinted genes, and it is one of the most common epigenetic changes associated with the development of a wide variety of tumors. Here, we have analyzed the effects that global imprinted gene expression has on cell proliferation and transformation. Primary mouse embryonic fibroblasts (MEFs), whose entire genome is either...

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