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2017 ; 37
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): ä Nephropedia Template TP
gab.com Text
Twit Text FOAVip
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English Wikipedia
TINCR expression is associated with unfavorable prognosis in patients with
hepatocellular carcinoma
#MMPMID28546230
Tian F
; Xu J
; Xue F
; Guan E
; Xu X
Biosci Rep
2017[Aug]; 37
(4
): ä PMID28546230
show ga
Emerging evidence are accumulating that long noncoding RNAs (lncRNAs) have
recently been identified to participate in various cellular processes. Terminal
differentiation induced ncRNA (TINCR) is a newly identified lncRNA with its
functional roles not fully elucidated in human malignancy. The current study aims
to identify the clinical significance of TINCR in prognosis and malignant
progression of hepatocellular carcinoma (HCC). TINCR expression in HCC specimens
at various stages of tumorigenesis were measured by quantitative real-time RT PCR
(qRT-PCR). The matched para-carcinoma tissues were used as controls. The
associations of TINCR with clinicopathological characteristics, disease-free
survival (DFS) and overall survival (OS) of patients were further evaluated.
Results revealed that high TINCR expression was significantly correlated with
tumor size (P=0.005), tumor differentiation status (P=0.017), TNM stage
(P=0.010), and vascular invasion (P=0.004). Moreover, Kaplan-Meier analysis
demonstrated that TINCR was correlated to both DFS and OS in HCC cohorts.
Patients with high TINCR expression tended to have worse prognosis. Multivariate
Cox regression analysis indicated that TINCR was an independent poor prognostic
indicator for DFS (HR =1.32, 95% CI: 1.00-1.57, P=0.000) and OS (HR =1.57, 95%
CI: 1.30-1.86, P=0.004) in HCC. TINCR was demonstrated as a direct target of
miR-137 and miR-133a, and was suppressed by miR-137/miR-133a These results
provide the first evidence that the expression of TINCR in HCC may play an
oncogenic role in HCC differentiation, invasion, and metastasis.
miR-137/miR-133a-TINCR pathway may serve as a promising target for tumor
recurrence and prognosis of patients with HCC.