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2017 ; 8
(3
): e2686
Nephropedia Template TP
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PI3K/AKT-mediated upregulation of WDR5 promotes colorectal cancer metastasis by
directly targeting ZNF407
#MMPMID28300833
Tan X
; Chen S
; Wu J
; Lin J
; Pan C
; Ying X
; Pan Z
; Qiu L
; Liu R
; Geng R
; Huang W
Cell Death Dis
2017[Mar]; 8
(3
): e2686
PMID28300833
show ga
Colorectal cancer (CRC) is the third most common cause of cancer deaths, and has
a high rate of liver and lung metastasis. Unfortunately, distant metastasis is
the main barrier for advanced CRC therapy and leads to a very low survival rate.
In this study, we identified WDR5, a vital factor that regulates vertebrate
development and cell self-renewal and reprogramming, as a novel prognostic marker
and therapeutic target for CRC patients. We demonstrate that WDR5 is upregulated
in CRC tissues and promotes CRC metastasis both in vitro and in vivo. In an
effort to investigate the impact of WDR5 on CRC cell fate, we treated CRC cells
with growth factor and inhibitor. We report that WDR5 is a novel factor in the
metastasis of CRC by triggering epithelial-mesenchymal transition (EMT) process
in response to the PI3K/AKT signaling pathway. Moreover, WDR5 shows a direct
binding to the ZNF407 promoter on regulating cellular EMT process, leading to CRC
metastasis. Hence, our findings strongly position WDR5 as a valuable marker for
CRC, and inhibiting WDR5 or the associated signaling pathways may be an effective
strategy for the future development of anti-CRC therapy.