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Glioblastoma: Recapitulating the Key Breakthroughs and Future Perspective 2.0

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Oncology".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 3459

Special Issue Editors


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Guest Editor
Department of Stereotactic and Functional Neurosurgery, University Hospital of Bonn, 53127 Bonn, Germany
Interests: neuro-oncology; glioblastoma; stereotaxic & functional neurosurgery; cancer stem cells
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Neurological Surgery, Mayo Clinic, Jacksonville, FL 32224, USA
Interests: neuro-oncology; glioblastoma; cancer stem cells; adult neurogenesis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Glioblastoma remains the most common and aggressive malignant primary brain tumour. Despite several therapeutic advances and broader understanding towards the complex interplay of glioblastoma genome and epigenome, as well as host immune system, the survival improvement in GBM patients appear to have reached a plateau, and relapses continue to be the biggest clinical challenge.

In this Special Issue, experts in the field will review the current diagnostic, therapeutic and experimental models in GBM. Of interest are research articles (in vivo, in vitro) that may help to further refine the understanding of tumour heterogeneity/microenvironment, the diverse molecular signature in GBM subtypes (epigenome, immune landscape, dysregulation of phylogenetically conserved signalling pathways, etc.) and the relative contribution of glioma stem cells (GSCs). In addition, review articles highlighting new findings in the above areas and underlining the similarities or cross-comparisons between GBM and other human cancers are also welcome. In the prospective articles, manuscripts that address the key challenges in paediatric glioblastoma that need to be considered when applying treatment strategies purely based on adult glioblastoma trials, and the negative results while pursuing a strong scientific hypothesis in GBM, will be of interest.

This special issue is supervised by Dr. Jaroslaw MacIaczyk and Dr. Hugo Guerrero‐Cazares and assisted by our Topical Advisory Panel Member Dr. Amit Sharma (University of Bonn).

Dr. Jaroslaw MacIaczyk
Dr. Hugo Guerrero‐Cazares
Guest Editors

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Keywords

  • glioblastoma
  • glioma stem cells
  • signalling pathways
  • epigenomics
  • tumour heterogeneity
  • tumour microenvironment

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Published Papers (1 paper)

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Research

17 pages, 2603 KiB  
Article
The Interleukin-11/IL-11 Receptor Promotes Glioblastoma Survival and Invasion under Glucose-Starved Conditions through Enhanced Glutaminolysis
by Sarah F. Stuart, Ayenachew Bezawork-Geleta, Zammam Areeb, Juliana Gomez, Vanessa Tsui, Ahmad Zulkifli, Lucia Paradiso, Jordan Jones, Hong P. T. Nguyen, Tracy L. Putoczki, Paul V. Licciardi, George Kannourakis, Andrew P. Morokoff, Adrian A. Achuthan and Rodney B. Luwor
Int. J. Mol. Sci. 2023, 24(4), 3356; https://doi.org/10.3390/ijms24043356 - 8 Feb 2023
Cited by 4 | Viewed by 2865
Abstract
Glioblastoma cells adapt to changes in glucose availability through metabolic plasticity allowing for cell survival and continued progression in low-glucose concentrations. However, the regulatory cytokine networks that govern the ability to survive in glucose-starved conditions are not fully defined. In the present study, [...] Read more.
Glioblastoma cells adapt to changes in glucose availability through metabolic plasticity allowing for cell survival and continued progression in low-glucose concentrations. However, the regulatory cytokine networks that govern the ability to survive in glucose-starved conditions are not fully defined. In the present study, we define a critical role for the IL-11/IL-11Rα signalling axis in glioblastoma survival, proliferation and invasion when cells are starved of glucose. We identified enhanced IL-11/IL-11Rα expression correlated with reduced overall survival in glioblastoma patients. Glioblastoma cell lines over-expressing IL-11Rα displayed greater survival, proliferation, migration and invasion in glucose-free conditions compared to their low-IL-11Rα-expressing counterparts, while knockdown of IL-11Rα reversed these pro-tumorigenic characteristics. In addition, these IL-11Rα-over-expressing cells displayed enhanced glutamine oxidation and glutamate production compared to their low-IL-11Rα-expressing counterparts, while knockdown of IL-11Rα or the pharmacological inhibition of several members of the glutaminolysis pathway resulted in reduced survival (enhanced apoptosis) and reduced migration and invasion. Furthermore, IL-11Rα expression in glioblastoma patient samples correlated with enhanced gene expression of the glutaminolysis pathway genes GLUD1, GSS and c-Myc. Overall, our study identified that the IL-11/IL-11Rα pathway promotes glioblastoma cell survival and enhances cell migration and invasion in environments of glucose starvation via glutaminolysis. Full article
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