RCC1-dependent activation of Ran accelerates cell cycle and DNA repair, inhibiting DNA damage–induced cell senescence

P. Čekan,Keisuke Hasegawa,Yu Pan,Emily Tubman,D. Odde,Jinqiu Chen,M. Herrmann,Sheetal R Kumar,P. Kalab

Published 2016 in Molecular Biology of the Cell

ABSTRACT

Cell cycle and DNA repair involve steps requiring RanGTP-regulated nuclear-cytoplasmic transport (NCT). The activation of NCT via overexpression of RCC1 (the guanine nucleotide exchange factor for Ran) accelerated the cell cycle and DNA repair. Normal cells overexpressing RCC1 evaded DNA damage–induced senescence, mimicking cancer cells with high levels of RCC1.

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