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Updated: Oct 15, 2025

Evaluation of Biomarkers in Glioma by Immunohistochemistry on Paraffin-Embedded 3D Glioma Neurosphere Cultures
Published on: January 9, 2019
Long non-coding RNA panel as a molecular biomarker in glioma
Abdol Ali Ebrahimi1, Hasan Ashoori2, Farnaz Vahidian3
1School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Background:
Glioma is one of the most malignant brain tumors, accounting for about half of the gliomas that occur in central nervous system (CNS), originates from the glial tissue of the brain. The aim of the present study was to determine the expression levels of 5 lncRNAs (MDC1-AS1, HOXA11-AS, MALAT1, CASC2, ADAMTS9-AS2) in patients with high-grade glioma in comparison with low grade glioma.
Methods:
This was a retrospective study which determined molecular biomarker on pathologic glioma samples. We examined 100 patients' pathologic block which consisted of 50 pathology samples of high-grade glioma (case group) and control group consisted of 50 pathology samples of low-grade glioma. This research was performed using real time polymerase chain reaction (PCR) technique.
Results:
The results showed that the expression of ADAMTS9-AS2 and HOXA11-AS genes significantly increased with increasing tumor grade. Also the expression of CASC2 gene significantly decreased with increasing tumor grade.
Conclusions:
It was concluded that ADAMTS9-AS2 and HOXA11-AS and CASC2 are promising lncRNA markers in prognosis of glioma.
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