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| Content Provider | Springer Nature Link |
|---|---|
| Author | Chen, Xi Hua Wu, Wen Guang Ding, Jian |
| Copyright Year | 2013 |
| Abstract | Recently, it has been reported that tazarotene-induced gene 1 (TIG1) methylation was frequently detected in a variety of human cancers. However, the relationship between the TIG1 methylation and the characteristics of hepatocellular carcinoma (HCC) remains unknown. The aim of present study was to observe the promoter methylation of TIG1 in HCC tissues and assess its prognostic significance for HCC. Real-time quantitative polymerase chain reaction and methylation-specific polymerase chain reaction were used, respectively, to examine the mRNA expression and methylation status of TIG1 in 91 pairs of HCC and adjacent noncancerous tissues. The mRNA expression level of TIG1 was significantly lower in HCC tissues than in adjacent noncancerous tissues. The rate of TIG1 promoter methylation was significantly higher in HCC tissues than in adjacent noncancerous tissues (P < 0.001). A strong correlation between downregulation and promoter methylation was found in these tumors (P < 0.001). More importantly, TIG1 methylation status was related to tumor size (P = 0.015), histological differentiation (P = 0.004), and tumor stage (P < 0.001). Kaplan–Meier survival analysis showed that TIG1 promoter hypermethylation was associated with a worse outcome in patients with HCC. Further, Cox multivariate analysis indicated that TIG1 methylation status was an independent prognostic factor for the overall survival rate of HCC patients. In conclusion, our data suggested that epigenetic silencing of TIG1 gene expression by promoter hypermethylation may play an important role in HCC. |
| Starting Page | 967 |
| Ending Page | 971 |
| Page Count | 5 |
| File Format | |
| ISSN | 10104283 |
| Journal | Tumor Biology |
| Volume Number | 35 |
| Issue Number | 2 |
| e-ISSN | 14230380 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2013-09-05 |
| Publisher Place | Dordrecht |
| Access Restriction | Subscribed |
| Subject Keyword | TIG1 Methylation MSP Prognosis Cancer Research |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Cancer Research |
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