%0 Journal Article %T A Novel Zinc Finger Protein Zfp277 Mediates Transcriptional Repression of the Ink4a/Arf Locus through Polycomb Repressive Complex 1 %A Masamitsu Negishi %A Atsunori Saraya %A Shinobu Mochizuki %A Kristian Helin %A Haruhiko Koseki %A Atsushi Iwama %J PLOS ONE %D 2012 %I Public Library of Science (PLoS) %R 10.1371/journal.pone.0012373 %X Polycomb group (PcG) proteins play a crucial role in cellular senescence as key transcriptional regulators of the Ink4a/Arf tumor suppressor gene locus. However, how PcG complexes target and contribute to stable gene silencing of the Ink4a/Arf locus remains little understood. %U http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0012373