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Identifying new small molecule anti-invasive compounds for glioma treatment
Jennifer Munson1, Michael Bonner, Levi Fried
1Wallace H. Coulter Department of Biomedical Engineering; Georgia Institute of Technology; Atlanta, GA, USA.
Abstract:
Glioblastoma is a disease with poor survival rates after diagnosis. Treatment of the disease involves debulking of the tumor, which is limited by the degree of invasiveness of the disease. Therefore, a treatment to halt the invasion of glioma is desirable for clinical implementation. There have been several candidate compounds targeting specific aspects of invasion, including cell adhesions, matrix degradation, and cytoskeletal rearrangement, but they have failed clinically for a variety of reasons. New targets against glioma invasion include upstream mediators of these classical targets in an effort to better inhibit invasion with more specificity for cancer. Included in these treatments is a new class of compounds inhibiting the generation of reactive oxygen species by targeting the NADPH oxidases. These compounds stand to inhibit multiple pathways, including nuclear factor kappa B and Akt. By conducting a screen of compounds thought to inhibit these pathways, a new compound to halt invasion was found that may have a beneficial effect against glioma, based on recent publications. Further, there are still limitations to the treatment of glioblastoma regardless of the discovery of new targets and compounds that should be addressed to better the therapies against this deadly cancer.
Insights
A new compound targeting reactive oxygen species may halt glioma invasion, offering a novel therapeutic strategy for glioblastoma. Further research is needed to overcome treatment limitations for this aggressive brain cancer.
Area of Science:
- Neuro-oncology
- Cancer biology
- Drug discovery
Background:
- Glioblastoma presents poor survival rates, with tumor invasiveness limiting surgical debulking effectiveness.
- Existing anti-invasion therapies targeting cell adhesion, matrix degradation, and cytoskeleton rearrangement have faced clinical failures.
- Novel therapeutic strategies are needed to specifically inhibit glioma invasion.
Purpose of the Study:
- To identify new therapeutic targets and compounds to effectively inhibit glioma invasion.
- To explore upstream mediators of invasion pathways for enhanced specificity.
- To investigate compounds targeting reactive oxygen species (ROS) generation via NADPH oxidases.
Main Methods:
- Screening of compounds targeting pathways like nuclear factor kappa B (NF-κB) and Akt, which are influenced by ROS.
- Evaluation of novel compounds inhibiting NADPH oxidases.
- Literature review of recent publications on glioma invasion and potential therapeutic agents.
Main Results:
- Identification of a novel compound with potential to halt glioma invasion.
- Compounds targeting NADPH oxidases may inhibit multiple pro-invasion pathways.
- The identified compound shows promise based on recent scientific literature.
Conclusions:
- Targeting ROS generation through NADPH oxidases represents a promising strategy against glioma invasion.
- A newly discovered compound may offer a beneficial effect in treating glioblastoma.
- Despite advancements, limitations in glioblastoma treatment necessitate continued research and development of novel therapies.
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