Volume 76, Issue 7 (October 2018)                   Tehran Univ Med J 2018, 76(7): 469-476 | Back to browse issues page

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Hassani L, Asaadi Tehrani G, Mirza Ahmadi S. Relationship between LncRNA THRIL expression controlling TNF-alpha pathway in glioblastoma cell line under temozolomide treatment. Tehran Univ Med J. 2018; 76 (7) :469-476
URL: http://tumj.tums.ac.ir/article-1-9114-en.html
1- Department of Molecular Genetics, Islamic Azad University, Zanjan Branch, Zanjan, Iran.
2- Department of Molecular Genetics, Islamic Azad University, Zanjan Branch, Zanjan, Iran. , sinacanmir@yahoo.com
Abstract:   (1532 Views)
Background: Glioma is one of the most common and deadliest primary malignant tumors in the brain. A large part of the gene expression products are non-coding protein RNA. LncRNA THRIL gene is an antisense LncRNA and one of the most important mediators of the NF-KB signaling pathway, that express in many tissues of the body, including the central nerve system (CNS). The aim of the present study was to investigate the alternation in the expression of LncRNA THRIL gene in cells of the adenocarcinoma glioblastoma T98G cell line, under treatment with temozolomide chemotherapy drug.
Methods: This case-control study was conducted in Research Center of Islamic Azad University of Zanjan, Iran, from April to September 2017. Cells of T98G cell line was treated with various doses of temozolomide chemotherapy drug (25-50-100 μM) and at different times (72-48-48 hours), Respectively RNA extraction and cDNA synthesis were performed. Then LncRNA THRIL gene expression was studied by real-time PCR method and the results were analyzed by relative quantitative and livak methods.
Results: The THRIL gene expression in 24 hours’ time with 25 and 100 μM doses (P< 0.001) had significant decreased expression and 50 μM dose had non-significant increase. It had significant increase in 48 hours time with 50 μM dose (P< 0.001), except 25 μM (P< 0.001) and 100 μM (P< 0.001) doses had significant decreased expression. It had significant increase during 72 hours time with 50 μM dose (P< 0.001), in contrast 25 μM (P> 0.001) and 100 μM (P< 0.001) concentrations of temozolomide chemotherapy drug demonstrated decreased expression of the LncRNA THRIL gene (P< 0.001).
Conclusion: As a result, the THRIL gene expression alterations after cancer cells treatment by temozolomide chemotherapy drug depends on the time and dose of the drug and the 48 hours treatment time with 50 μM dose (P< 0.001) had the highest effect on cancer cells of the T98G cell line, due to the expression of the THRIL gene.
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Type of Study: Original Article |

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