Molecular Biology and Genetics / Moleküler Biyoloji ve Genetik

Permanent URI for this collectionhttps://hdl.handle.net/11147/9

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Author: search.filters.author.Gürer, Dilek CansuPublication Index: search.filters.publicationIndex.PubMed

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  • Review
    Citation - WoS: 5
    Citation - Scopus: 5
    Noncoding Rnas: a New Layer of Functional Rnas
    (Bentham Science Publishers, 2023) Gürer, Dilek Cansu; Akgül, Bünyamin
    The conventional central dogma of molecular biology dictates that the genetic information contained within deoxyribonucleic acid (DNA) is passed onto messenger ribonucleic acids (mRNAs), which are then used as templates to synthesize proteins. Although these types of protein-coding genes have been historically prioritized in typical phenotype-genotype studies with a parallel disregard to the rest of the genome, the completion of genome projects has unveiled a surprising layer of genetic information that can play critical roles in cellular processes without coding for proteins. These types of genes are called noncoding genes as they do not code for proteins. Noncoding genes come in different sizes and shapes, and they are just as versatile in carrying out cellular biochemical processes as proteins. In this review, we cover a comprehensive review of housekeeping and regulatory noncoding genes and their mode of action.
  • Article
    Citation - WoS: 7
    Citation - Scopus: 8
    Transcriptomics Profiling Identifies Cisplatin-Inducible Death Receptor 5 Antisense Long Non-Coding Rna as a Modulator of Proliferation and Metastasis in Hela Cells
    (Frontiers Media S.A., 2021) Gürer, Dilek Cansu; Erdoğan, İpek; Ahmadov, Ulvi; Başol, Merve; Sweef, Osama; Çakan Akdoğan, Gülçin; Akgül, Bünyamin
    Cisplatin is a well-known cancer chemotherapeutic agent but how extensively long non-coding RNA (lncRNA) expression is modulated by cisplatin is unknown. It is imperative to employ a comprehensive approach to obtain a better account of cisplatin-mediated changes in the expression of lncRNAs. In this study, we used a transcriptomics approach to profile lncRNAs in cisplatin-treated HeLa cells, which resulted in identification of 10,214 differentially expressed lncRNAs, of which 2,500 were antisense lncRNAs. For functional analyses, we knocked down one of the cisplatin inducible lncRNAs, death receptor 5 antisense (DR5-AS) lncRNA, which resulted in a morphological change in HeLa cell shape without inducing any cell death. A second round of transcriptomics-based profiling revealed differential expression of genes associated with immune system, motility and cell cycle in DR5-AS knockdown HeLa cells. Cellular analyses showed that DR5-AS reduced cell proliferation and caused a cell cycle arrest at S and G2/M phases. Moreover, DR5-AS knockdown reduced the invasive capacity of HeLa cells in zebrafish xenograft model. These results suggest that cisplatin-mediated pleiotropic effects, such as reduction in cell proliferation, metastasis and cell cycle arrest, may be mediated by lncRNAs. © Copyright © 2021 Gurer, Erdogan, Ahmadov, Basol, Sweef, Cakan-Akdogan and Akgül.