Human Papillomavirus Type 16 E7 Oncoprotein Can Induce Abnormal Centrosome Duplication through a Mechanism Independent of Inactivation of Retinoblastoma Protein Family Members

Abstract excerpt

The human papillomavirus type 16 (HPV-16) E7 oncoprotein rapidly induces centrosome duplication errors in primary human cells, thereby increasing the propensity for multipolar mitoses, which can lead to chromosome missegregation and aneuploidy. We analyzed a series of HPV-16 E7 mutants and demonstrate that this biological activity of the E7 oncoprotein is mediated by sequences encompassing the core pRB binding...

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