Clinical implications of quantitative real-time RT–PCR analysis of hTERT gene expression in human gliomas View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2003-02

AUTHORS

A Tchirkov, C Rolhion, J-L Kémény, B Irthum, S Puget, T Khalil, O Chinot, F Kwiatkowski, B Périssel, P Vago, P Verrelle

ABSTRACT

The presence of telomerase activity in a glioma may be a predictor of its malignant potential. Activation of telomerase is regulated at the transcriptional level of the human telomerase reverse transcriptase (hTERT). Here, we evaluated whether the amount of hTERT mRNA provides a molecular marker of glioma malignancy that would have clinical utility. We used a real-time RT-PCR to assess the number of hTERT transcripts in primary tumour samples derived from 70 glioma patients. Results were standardised by quantifying the number of ABL transcripts as internal control and expressed as hTERT/ABL ratio. The percentage of patients with detectable hTERT mRNA markedly increased with enhanced malignancy: low-grade gliomas expressed hTERT in one out of 14 cases (7.1%), anaplastic gliomas in four out of 13 cases (30.8%) and glioblastoma multiforme (GBM) tumours in 30 out of 43 cases (69.8%). The mean hTERT/ABL ratio was significantly higher in GBMs than in non-GBMs. Subdividing hTERT/ABL ratios as low (< pr = 25%) and high (>25%), we found that the overall survival among hTERT-positive GBMs was significantly worse in high hTERT expressors than in low hTERT expressors (P=0.0082). We conclude that the amount of hTERT mRNA may represent a diagnostic and prognostic indicator for GBM patients. More... »

PAGES

516

Identifiers

URI

http://scigraph.springernature.com/pub.10.1038/sj.bjc.6600754

DOI

http://dx.doi.org/10.1038/sj.bjc.6600754

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1029072448

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/12592364


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Download the RDF metadata as:  json-ld nt turtle xml License info

HOW TO GET THIS DATA PROGRAMMATICALLY:

JSON-LD is a popular format for linked data which is fully compatible with JSON.

curl -H 'Accept: application/ld+json' 'https://scigraph.springernature.com/pub.10.1038/sj.bjc.6600754'

N-Triples is a line-based linked data format ideal for batch operations.

curl -H 'Accept: application/n-triples' 'https://scigraph.springernature.com/pub.10.1038/sj.bjc.6600754'

Turtle is a human-readable linked data format.

curl -H 'Accept: text/turtle' 'https://scigraph.springernature.com/pub.10.1038/sj.bjc.6600754'

RDF/XML is a standard XML format for linked data.

curl -H 'Accept: application/rdf+xml' 'https://scigraph.springernature.com/pub.10.1038/sj.bjc.6600754'


 

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