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2017 ; 8
(47
): 82824-82834
Nephropedia Template TP
Wang L
; Yang G
; Zhu X
; Wang Z
; Wang H
; Bai Y
; Sun P
; Peng L
; Wei W
; Chen G
; Li G
; Zamyatnin AA Jr
; Glybochko PV
; Xu W
Oncotarget
2017[Oct]; 8
(47
): 82824-82834
PMID29137305
show ga
miRNA dysregulation is associated with many human diseases, including cancer.
This study explored the effects of miR-93-3p on clear cell renal cell carcinoma
(ccRCC). We found that miR-93-3p is upregulated an average of 38-fold in 138
ccRCC specimens compared to matched normal kidney tissues, which correlated with
poor patient outcome. miR-93-3p inhibition reduced ccRCC cell growth, invasion,
and migration in vitro and in a mouse xenograft model. A search of the
TargetScan, miRanda, and PicTar databases revealed that miR-93-3p is predicted to
regulate pigment epithelium-derived factor (PEDF). A direct PEDF-miR-93-3p
interaction was confirmed via dual-luciferase reporter assays. Like miR-93-3p
inhibition, PEDF overexpression induced cell apoptosis and inhibited migration
and invasion. Additionally, co-transfection with PEDF siRNA reversed the effects
of miR-93-3p inhibition in ccRCC cells. Thus, miR-93-3p is a likely ccRCC
oncogene that acts by regulating PEDF. These results suggest that miR-93-3p may
predict ccRCC patient clinical outcome and serve as a novel anti-ccRCC
therapeutic target.