Wnt/β-catenin Antagonists: Exploring New Avenues to Trigger Old Drugs in Alleviating Glioblastoma Multiforme

(E-pub Abstract Ahead of Print)

Author(s): Daisy S. Precilla, Shreyas S. Kuduvalli, Mugilarasi Purushothaman, Parthiban Marimuthu, Muralidharan A. Ramachandran*, Thirugnanasambandham Sivasubramanian Anitha*

Journal Name: Current Molecular Pharmacology

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Background: Glioblastoma multiforme is one of the most heterogenous primary brain tumor with high mortality. Nevertheless, of the current therapeutic approaches, survival rate remains poor with 12 to 15 months following preliminary diagnosis, this warrants the need for effective treatment modality. Wnt/β-catenin pathway is presumably the most noteworthy pathway up-regulated in almost 80% GBM cases contributing to tumor-initiation, progression and survival. Therefore, therapeutic strategies targeting key components of Wnt/β-catenin cascade using established genotoxic agents like temozolomide and pharmacological inhibitors would be an effective approach to modulate Wnt/β-catenin pathway. Recently, drug repurposing by means of effective combination therapy has gained importance in various solid tumors including GBM, by targeting two or more proteins in a single pathway, thereby possessing the ability to overcome the hurdle implicated by chemo-resistance in GBM.

Objective: In this context, by employing computational tools, an attempt has been carried out to speculate the novel combinations against Wnt/β-catenin signaling pathway.

Methods: We have explored the binding interactions of three conventional drugs namely temozolomide, metformin, chloroquine along with three natural compounds viz., epigallocatechin gallate, naringenin and phloroglucinol on the major receptors of Wnt/β-catenin signaling.

Results: It was noted that all the experimental compounds possessed profound interaction with the two major receptors of Wnt/β-catenin pathway.

Conclusion: To the best of our knowledge, this study is the first of its kind to characterize the combined interactions of the afore-mentioned drugs on Wnt/β-catenin signaling in silico and this will putatively open up new avenues for combination therapies in GBM treatment.

Keywords: Computational analysis, Drug repurposing, Glioblastoma multiforme, Natural compounds, Temozolomide, Wnt signaling.

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Article Details

(E-pub Abstract Ahead of Print)
DOI: 10.2174/1874467214666210420115431
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