Abstract：
:Human telomerase reverse transcriptase (hTERT), a ribonucleoprotein, is reported as an important complex, which is required for stability of DNA molecular structure at the rear of the chromosome. Until now, hTERT has been linked to cell immortalization and tumorigenesis. A couple of articles have been published about the telomerase function in the gliomas; however, these results are conflicting in some degree. Thus, it is crucial to perform a meta-analysis to identify their real actions. We included eligible articles, and estimated odds ratios (ORs) with 95 % confidence intervals (95 % CIs). In our meta-analysis, all 15 eligible articles included 932 patients. Results from 10 studies on WHO grade showed that high hTERT gene or protein expression in glioma tissues was obviously related to high WHO grade (III + IV) (OR 2.45, 95 % CI 1.92-3.13; p = 0.000). What is more, hTERT expression was not associated with old age (OR 0.91, 95 % CI 0.72-1.16; p = 0.448) as well as gender (OR 1.06, 95 % CI 0.82-1.37; p = 0.664). Importantly, hTERT expression was significantly associated with 5-year overall survival (OS; n = 3; hazard ratio (HR) 2.25, 95 % CI 1.36-3.70; p = 0.002) of glioma patients. No heterogeneity was found in all studies. In conclusion, this meta-analysis suggests that hTERT is significantly associated with high glioma grade and poor 5-year overall survival, and pathological test of hTERT mRNA and protein in glioma tissues should be suggested as criteria of glioma grade in the clinical practice.
journal_name
Mol Neurobioljournal_title
Molecular neurobiologyauthors
Li J,Li H,Liu J,Feng B,Feng M,Lv B,Cheng S,Yang Xdoi
10.1007/s12035-015-9170-xsubject
Has Abstractpub_date
2016-07-01 00:00:00pages
2887-2893issue
5eissn
0893-7648issn
1559-1182pii
10.1007/s12035-015-9170-xjournal_volume
53pub_type
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