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2017 ; 429
(15
): 2265-2277
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Cell Cycle Control by PTEN
#MMPMID28602818
Brandmaier A
; Hou SQ
; Shen WH
J Mol Biol
2017[Jul]; 429
(15
): 2265-2277
PMID28602818
show ga
Continuous and error-free chromosome inheritance through the cell cycle is
essential for genomic stability and tumor suppression. However, accumulation of
aberrant genetic materials often causes the cell cycle to go awry, leading to
malignant transformation. In response to genotoxic stress, cells employ diverse
adaptive mechanisms to halt or exit the cell cycle temporarily or permanently.
The intrinsic machinery of cycling, resting, and exiting shapes the cellular
response to extrinsic stimuli, whereas prevalent disruption of the cell cycle
machinery in tumor cells often confers resistance to anticancer therapy.
Phosphatase and tensin homolog (PTEN) is a tumor suppressor and a guardian of the
genome that is frequently mutated or deleted in human cancer. Moreover, it is
increasingly evident that PTEN deficiency disrupts the fundamental processes of
genetic transmission. Cells lacking PTEN exhibit cell cycle deregulation and cell
fate reprogramming. Here, we review the role of PTEN in regulating the key
processes in and out of cell cycle to optimize genomic integrity.