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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
Unraveling the Function of lncRNAs in Gliomas: Interaction With Signaling Pathways and Therapeutic Opportunities
Ahmed S Doghish1,2, Heba R Ghaiad3, Nourhan Elfar4,5
1Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo, Egypt.
Abstract:
Brain tumors represent some of the most formidable challenges in neuro-oncology due to their aggressive clinical course, resistance to therapy, and profound molecular heterogeneity. Among the emerging regulatory elements reshaping our understanding of tumor biology are long non-coding RNAs (lncRNAs), a diverse class of RNA transcripts that modulate gene expression and cellular behavior without encoding proteins. This review provides an in-depth and integrative examination of the biogenesis, regulatory mechanisms, and functional roles of lncRNAs in brain tumor development and progression. We systematically explore both canonical and non-canonical pathways of lncRNA biogenesis, detailing how these influence structural specificity and molecular interactions. This review synthesized evidence retrieved from PubMed/MEDLINE, Scopus, and Web of Science, covering publications from January 2010 to June 2025. This analysis highlights key gaps, such as context-dependent therapeutic effects that limit translational applicability. A major focus is placed on the interplay between lncRNAs and core oncogenic signaling pathways, including Phosphoinositide 3-kinase (PI3K)/serine/threonine kinase (AKT), Signal Transducer and Activator of Transcription 3 (STAT3), Wingless/Int-1 (Wnt)/β-catenin, and Transforming Growth Factor-Beta (TGF-β), which drive malignant transformation, invasion, stemness, and therapeutic resistance in gliomas. Furthermore, we dissect the molecular functions of lncRNAs as epigenetic regulators, competitive endogenous RNAs (ceRNAs), and structural scaffolds, and discuss their contribution to the dynamic tumor microenvironment. By synthesizing the latest findings, this review underscores the academic and translational importance of targeting lncRNA-associated networks. It also highlights emerging therapeutic approaches, such as antisense oligonucleotides, RNA interference, CRISPR-Cas systems, and natural lncRNA-modulating compounds, which collectively represent a promising frontier in precision medicine for brain tumors. This work offers a critical framework for future research and therapeutic innovation in the lncRNA landscape of neuro-oncology.
Insights
Long non-coding RNAs (lncRNAs) are key regulators in brain tumor development. Targeting lncRNA networks offers promising therapeutic strategies for brain tumors, advancing precision medicine.
Area of Science:
- Neuro-oncology
- Molecular Biology
- Genomics
Background:
- Brain tumors present significant challenges in neuro-oncology due to aggressive behavior, treatment resistance, and molecular diversity.
- Long non-coding RNAs (lncRNAs) are emerging as critical regulators of gene expression and cellular functions, influencing tumor biology.
- Understanding lncRNA roles is crucial for developing novel brain tumor therapies.
Purpose of the Study:
- To provide an in-depth review of lncRNA biogenesis, regulatory mechanisms, and functional roles in brain tumor development and progression.
- To analyze the interplay between lncRNAs and key oncogenic signaling pathways in gliomas.
- To identify gaps in current research and highlight emerging therapeutic strategies targeting lncRNAs.
Main Methods:
- Systematic literature review of PubMed/MEDLINE, Scopus, and Web of Science databases (January 2010 - June 2025).
- Analysis of lncRNA biogenesis pathways (canonical and non-canonical).
- Examination of lncRNA functions as epigenetic regulators, ceRNAs, and structural scaffolds within the tumor microenvironment.
Main Results:
- lncRNAs significantly influence oncogenic signaling pathways (PI3K/AKT, STAT3, Wnt/β-catenin, TGF-β), driving malignant transformation, invasion, stemness, and therapeutic resistance in gliomas.
- lncRNAs act as epigenetic regulators, ceRNAs, and structural scaffolds, modulating the tumor microenvironment.
- Key research gaps include understanding context-dependent therapeutic effects of lncRNAs.
Conclusions:
- lncRNAs are pivotal in brain tumor pathogenesis and represent important therapeutic targets.
- Targeting lncRNA-associated networks holds significant academic and translational potential for precision medicine in neuro-oncology.
- Emerging therapies like antisense oligonucleotides and CRISPR-Cas systems offer a promising frontier for brain tumor treatment.
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