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2016 ; 7
(8
): 991-1001
Nephropedia Template TP
gab.com Text
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English Wikipedia
The Long Noncoding RNA MALAT-1 is A Novel Biomarker in Various Cancers: A
Meta-analysis Based on the GEO Database and Literature
#MMPMID27313790
Wang Y
; Xue D
; Li Y
; Pan X
; Zhang X
; Kuang B
; Zhou M
; Li X
; Xiong W
; Li G
; Zeng Z
; Yang T
J Cancer
2016[]; 7
(8
): 991-1001
PMID27313790
show ga
BACKGROUND: MALAT-1 is significantly overexpressed in various cancers, suggesting
that it might be a potential biomarker of cancer. METHODS: A meta-analysis was
performed using microarray data obtained via the Affymetrix Human Genome U133
Plus 2.0 platform found in the Gene Expression Omnibus (GEO) database and data
obtained through a systematic search of PubMed and Web of Science. The pooled
odds ratio (OR) and hazard ratio (HR) with 95% CI (Confidence interval) were used
to judge the value of biomarkers. RESULTS: A total of 28 studies were included in
this meta-analysis, comprising a total of 3573 patients. MALAT-1 was
significantly linked with over survival (OS) (HR=1.58, 95%CI: 1.12-2.23),
recurrence-free survival (RFS) (HR=2.32, 95% CI: 1.68-3.19) and death-free
survival (DFS) (HR=3.28, 95% CI: 1.52-7.09). We found that MALAT-1 was a risk
factor in the prognoses of lung cancer (HR=1.54, 95%CI: 1.01-2.34), digestive
system cancer (HR=2.16, 95% CI: 1.34-3.48) and ovarian cancer (HR=3.98, 95% CI:
1.54-10.25). In contrast, MALAT-1 was a safe factor in the prognosis of B cell
lineage cancer (HR=0.45, 95% CI: 0.33-0.61). MALAT-1 was also a risk factor of
RFS in breast cancer (HR=1.97, 95% CI: 1.25-3.09) and the TNM stage in pancreatic
cancer (OR=3.65, 95% CI: 1.86-7.18) and glioma (OR=4.30, 95% CI: 1.90-9.73) and
was a safe factor in colorectal cancer (OR=0.17, 95% CI: 0.08-0.35). MALAT-1 was
significantly associated with lymph node metastasis in clear cell carcinoma
(OR=5.04, 95% CI: 2.36-10.78) and distant metastasis in pancreatic cancer
(OR=11.64, 95% CI: 2.13-63.78). CONCLUSIONS: MALAT-1 can serve as a molecular
marker in different types of cancers.