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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Am+J+Cancer+Res
2018 ; 8
(6
): 1019-1029
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English Wikipedia
KLF4 suppresses the migration of hepatocellular carcinoma by transcriptionally
upregulating monoglyceride lipase
#MMPMID30034939
Yang X
; Zhang D
; Liu S
; Li X
; Hu W
; Han C
Am J Cancer Res
2018[]; 8
(6
): 1019-1029
PMID30034939
show ga
The dysregulation of cellular metabolism, particularly lipid metabolism, is
essential for cancer progress. Monoglyceride lipase (MGLL) is an important fatty
acid metabolism enzyme, which converts monoacylglycerides to free fatty acids and
glycerol. Despite the expression level of MGLL was reported to be downregulated
in Hepatocellular carcinoma (HCC), the clinical significances and molecular
mechanism of MGLL downregulation remains unknown. In the current study, the
clinical significances of MGLL expression were investigated in 95 patients with
HCC and the transcription factors of MGLL were identified in HCC cells. We found
that MGLL was frequently downregulated in HCC samples, especially in metastatic
tumor tissues. Patients with low MGLL expression owned remarkably lower 5
year-overall survival (5-OS). Functionally, we found that MGLL played an
important role in HCC cell migration. Overexpression of MGLL suppressed cell
migration and depletion of MGLL by shRNA promoted cell migration. Further studies
indicated that KLF4 directly bound to the promoter of MGLL and accelerated MGLL
expression, which then led to HCC cell migration decrease. Additionally, the
expression levels of KLF4 were positive association with MGLL expression in HCC
tissues. Collectively, our data suggest that KLF4 is a key regulator of MGLL. The
KLF4-MGLL axis plays an essential role in suppressing HCC cell migration.