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Characterization of Functionally Associated miRNAs in Glioblastoma and their Engineering into Artificial Clusters for Gene Therapy
Published on: October 4, 2019
Transcriptomic Meta-Analysis and Functional Validation Identify Long Non-Coding RNAs as Modulators of Zika
Shriya Singh1,2,3, Martin Gerlein1,2,3, Allison R Horvath3
1Division of Neurology, Children's National Hospital, Washington, DC 20010, USA.
Cells
|June 25, 2026
Summary
Zika virus effectively kills glioblastoma (GBM) cells by altering proliferation and metastasis pathways. This study identifies novel long non-coding RNAs (lncRNAs) that regulate Zika-mediated cancer cell death, offering new therapeutic targets for GBM treatment.
Area of Science:
- Oncology
- Virology
- Molecular Biology
Background:
- Glioblastoma multiforme (GBM) is an aggressive brain cancer with poor outcomes.
- Zika virus shows potential for GBM treatment due to its selective killing of neural cells.
- Understanding the molecular mechanisms of Zika virus oncolysis in GBM is crucial for therapeutic development.
Purpose of the Study:
- To identify the molecular mechanisms underlying Zika virus-mediated killing of GBM cells.
- To discover novel long non-coding RNAs (lncRNAs) involved in Zika virus oncolysis.
- To explore the potential of modulating lncRNAs to enhance GBM virotherapy.
Main Methods:
- Meta-analysis of transcriptomic data from Zika virus-infected GBM and neuroblastoma (NBM) cell studies.
- Identification of shared molecular signatures and dysregulated pathways (e.g., TNF, NF-κB, p53).
- Validation of dysregulated lncRNAs using siRNA-mediated knockdown in adult GBM cell lines.
Main Results:
- A shared molecular signature was identified in Zika-infected GBM cells.
- Dysregulation of proliferation and metastasis pathways, including TNF, NF-κB, and p53 signaling, was observed.
- Four lncRNAs (MELTF-AS1, TIPARP-AS1, NR2F1-AS1, SLC9A3-AS1) were validated for their roles in Zika-mediated oncolysis, with MELTF-AS1 augmenting and others attenuating cell death.
Conclusions:
- Zika virus oncolysis in GBM involves specific molecular mechanisms and pathway dysregulation.
- Novel lncRNAs, such as MELTF-AS1, TIPARP-AS1, NR2F1-AS1, and SLC9A3-AS1, are key regulators of Zika-mediated GBM cell death.
- Modulating these lncRNAs presents a promising strategy to enhance oncolytic virotherapy for GBM.
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