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2014 ; 15
(6
): 655-64
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The emerging roles of ARID1A in tumor suppression
#MMPMID24618703
Wu RC
; Wang TL
; Shih IeM
Cancer Biol Ther
2014[Jun]; 15
(6
): 655-64
PMID24618703
show ga
ARID1A has emerged as a tumor suppressor gene, which is mutated in a broad
spectrum of cancers, especially in those arising from ectopic or eutopic
endometrium. As a subunit of SWI/SNF chromatin remodeler, ARID1A facilitates
target-specific binding of SWI/SNF complexes to chromatin, thereby altering the
accessibility of chromatin to a variety of nuclear factors. In human cancer,
ARID1A possesses not only features of a gatekeeper, regulating cell cycle
progression, but also features of a caretaker, preventing genomic instability. An
increasing body of evidence suggests crosstalk between ARID1A and PI3K/Akt
pathways, and between ARID1A and p53. In this review, we discuss the spectrum of
ARID1A alterations in cancers, tumor suppression mechanisms of ARID1A, oncogenic
pathways cooperating with ARID1A, and clinical implications of ARID1A mutation.