Yıl: 2021 Cilt: 48 Sayı: 3 Sayfa Aralığı: 451 - 467 Metin Dili: İngilizce DOI: 10.5798/dicletip.987908 İndeks Tarihi: 14-10-2021

In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma

Öz:
Objectives: Glioblastoma multiforme (GBM) is defined as the most frequent and lethal form of the primary brain tumors in the central nervous system (CNS) in adults. Recent studies have focused on the identification of the new targets for the diagnosis and treatment of GBM and resulted in great interest for miRNAs due to their regulatory effects in cancer pathogenesis. Thus, we aimed to characterize novel molecular biomarkers for GBM by computational analysis. Methods: 118 miRNAs that are clinically related with glioblastoma and proven by experimentally were exported through miRTarBase database. 1016 genes projected by these 118 miRNAs were determined via ComiR database. Subsequently, the genes with transcribed ultraconserved regions (T-UCRs) in their exonic regions were designated and the genes which have potential competing endogenous RNA (ceRNA) activities were extracted. Genes with remarkable expression profile differences between glioblastoma and normal brain tissues among ceRNAs that are associated with glioblastoma involving T-UCR were identified. Results: The statistical analysis of the correlation between PBX3 and NRXN3 genes and glioblastoma was carried out by Spearman correlation test. PBX3 and NRXN3 expression was significantly higher and lower in glioblastoma than in normal brain tissues, respectively. On the other hand, the other genes did not have any remarkable differential expression pattern. Conclusion: Based on the findings of the current study, it is determined that NRXN3 acts as a tumor suppressor gene and NRXN3 gene is downregulated in GBM. PBX3 gene functions as an oncogene and is upregulated in GBM.
Anahtar Kelime:

Glioblastomada Potansiyel Moleküler Biyobelirteçler Olarak miRNA Aracılı ceRNA’ların İn Siliko Analizi

Öz:
Amaç: Glioblastoma multiforme (GBM), yetişkinlerde santral sinir sistemi (SSS)’ndeki primer beyin tümörlerinin en sıkgörülen ve en öldürücü tipi olarak tanımlanmaktadır. Son yıllardaki çalışmalar, GBM’nin teşhisi ve tedavisi için yenihedeflerin tanımlanmasına odaklanmış ve kanser patogenezindeki düzenleyici etkileri nedeniyle miRNA’lara büyük ilgiuyandırmıştır. Bu nedenle, bu çalışmada GBM için yeni moleküler biyobelirteçlerin hesaplamalı analizlerle tanımlanmasıamaçlanmıştır. Yöntemler: Glioblastoma ile klinik olarak ilişkili olan ve deneysel olarak kanıtlanmış 118 miRNA, miRTarBase veritabanından elde edildi. Elde edilen 118 miRNA tarafından hedeflenen 1016 gen ComiR veri tabanı aracılığıyla belirlendi.Akabinde, ekzonik bölgelerinde transkribe edilmiş ultra-korunmuş bölgelere (T-UCR) sahip genler belirlendi vepotansiyel olarak endojen rekabetçi RNA (ceRNA) aktivitelerine sahip olan genler ekstrakte edildi. T-UCR içerenglioblastoma ile ilişkili ceRNA’lar arasından glioblastoma ve normal beyin dokuları arasında önemli ekspresyon profilifarklılıklarına sahip genler tanımlandı. Bulgular: PBX3 ve NRXN3 genleri ile glioblastoma arasındaki korelasyonun istatistiksel analizi Spearman koralasyontesti ile gerçekleştirildi. Normal beyin dokularına göre glioblastomada PBX3 gen ekspresyonu daha yüksek iken NRXN3gen ekspresyonu daha düşüktü. Diğer taraftan, diğer genler anlamlı farklılık gösteren ekspresyon paternine sahip değildi. Sonuç: Mevcut çalışmanın bulgularına göre, NRXN3 geninin tümör baskılayıcı olarak işlev gördüğü ve GBM’dedownregüle edildiği ve PBX3 geninin onkogen olarak görev aldığı ve GBM’de upregüle edildiği belirlendi.
Anahtar Kelime:

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APA Avsar O (2021). In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma. , 451 - 467. 10.5798/dicletip.987908
Chicago Avsar Orcun In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma. (2021): 451 - 467. 10.5798/dicletip.987908
MLA Avsar Orcun In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma. , 2021, ss.451 - 467. 10.5798/dicletip.987908
AMA Avsar O In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma. . 2021; 451 - 467. 10.5798/dicletip.987908
Vancouver Avsar O In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma. . 2021; 451 - 467. 10.5798/dicletip.987908
IEEE Avsar O "In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma." , ss.451 - 467, 2021. 10.5798/dicletip.987908
ISNAD Avsar, Orcun. "In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma". (2021), 451-467. https://doi.org/10.5798/dicletip.987908
APA Avsar O (2021). In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma. Dicle Tıp Dergisi, 48(3), 451 - 467. 10.5798/dicletip.987908
Chicago Avsar Orcun In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma. Dicle Tıp Dergisi 48, no.3 (2021): 451 - 467. 10.5798/dicletip.987908
MLA Avsar Orcun In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma. Dicle Tıp Dergisi, vol.48, no.3, 2021, ss.451 - 467. 10.5798/dicletip.987908
AMA Avsar O In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma. Dicle Tıp Dergisi. 2021; 48(3): 451 - 467. 10.5798/dicletip.987908
Vancouver Avsar O In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma. Dicle Tıp Dergisi. 2021; 48(3): 451 - 467. 10.5798/dicletip.987908
IEEE Avsar O "In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma." Dicle Tıp Dergisi, 48, ss.451 - 467, 2021. 10.5798/dicletip.987908
ISNAD Avsar, Orcun. "In Silico Analysis of miRNA-mediated ceRNAs as Potential MolecularBiomarkers in Glioblastoma". Dicle Tıp Dergisi 48/3 (2021), 451-467. https://doi.org/10.5798/dicletip.987908