Diagnostic value of methylated human telomerase reverse transcriptase in human cancers: A meta-analysis

Wei Gao, Yuan Shi, Wei Liu, Wei Yin Lin, Josh Chia Ching Wu, Jimmy Yu Wai Chan, Thian Sze Wong

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Human telomerase reverse transcriptase (hTERT) plays a critical role in the pathogenesis of human malignancies. Overexpression of hTERT is essential in controlling the propagation of cancer cells. The CpG island located at hTERT promoter region is subjected to methylation modification in human cancer. In this perspective article, we discussed the diagnostic value of methylated hTERT in human cancers. The definitive diagnosis of most solid tumors is based on histological and immunohistochemical features. Under certain circumstances, however, the use of methylated hTERT might be useful in overcoming the limitation of the conventional methods. Methylated hTERT showed a good diagnostic power in discriminating cancer from benign or normal tissues. Nevertheless, differences in detection method, methylation site, cancer type, and histological subtype of cancer make it difficult to evaluate the actual diagnostic accuracy of methylated hTERT. Therefore, we performed subgroup analysis to assess the effects of these factors on the diagnostic efficiency of methylated hTERT. We demonstrated that quantitative MSP (qMSP) assay offers the highest discriminative power between normal and cancer in comparison with different detection methods. In addition, the methylated sites selected by different studies had an impact on the detection performance. Moreover, the diagnostic power of methylated hTERT was affected by cancer type and histological subtype. In conclusion, the existing evidence demonstrated that methylated hTERT is effective in cancer detection. Detailed profiling of the methylation sites to local the common methylation hotspot across human cancers is warranted to maximize the diagnostic value of methylated hTERT in cancer detection.

Original languageEnglish
Article number296
JournalFrontiers in Oncology
Volume5
Issue numberDEC
DOIs
Publication statusPublished - 2015 Jan 1

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Meta-Analysis
Neoplasms
Methylation
human TERT protein
CpG Islands
Genetic Promoter Regions

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

Cite this

Gao, Wei ; Shi, Yuan ; Liu, Wei ; Lin, Wei Yin ; Wu, Josh Chia Ching ; Chan, Jimmy Yu Wai ; Wong, Thian Sze. / Diagnostic value of methylated human telomerase reverse transcriptase in human cancers : A meta-analysis. In: Frontiers in Oncology. 2015 ; Vol. 5, No. DEC.
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Diagnostic value of methylated human telomerase reverse transcriptase in human cancers : A meta-analysis. / Gao, Wei; Shi, Yuan; Liu, Wei; Lin, Wei Yin; Wu, Josh Chia Ching; Chan, Jimmy Yu Wai; Wong, Thian Sze.

In: Frontiers in Oncology, Vol. 5, No. DEC, 296, 01.01.2015.

Research output: Contribution to journalArticle

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