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Genetic Variants Impacting Angiogenesis Signaling Pathways in Glioblastoma Multiforme: A Systematic Review of Mutations and Polymorphisms


Masoumeh Eliyasi Dashtaki, Elham Karimi and Sorayya Ghasemi*   Pages 1 - 12 ( 12 )


Background: Several signaling pathways are involved in the process of angiogenesis, which is one of the most important hallmarks of glioblastoma multiforme (GBM). Identifying related gene variants can help researchers work out what causes anti-angiogenesis drug resistance. <p> Objective: The goal of this systematic analysis was to identify all mutations and polymorphisms involved in angiogenesis pathways in GBM and their impact on clinical outcomes. <p> Methods: The keywords include glioblastoma, angiogenesis, signaling pathway, mutation, polymorphism, and related terms used to search ISI, PubMed, and Scopus for relevant articles published up to January 2022. The PRISMA protocol was used to conduct our systematic review. The related articles were taken into consideration. The risk of bias in the associated articles was surveyed, as well as the article scoring. Two authors collaborated on data extraction. <p> Results: The inclusion criteria were included in 32 articles out of a total of 787 articles. VEGF, HIF1a, EGFR, PI3K, and MAPK are the pathways that have been studied the most. IDH1, VEGF, VEGFR, EGFR, and HIF1a are the genes with the highest frequency of mutations or polymorphisms. <p> Conclusion: In conclusion, this study found that angiogenesis in primary or recurrent GBM is linked to gene changes in eleven signaling pathways. However, some of these gene mutations have been researched numerous times in relation to angiogenesis, while others have only been studied once. Understanding these changes will help us employ combination therapies more effectively for GBM patients' survival and personal medicine.


Mutation,Polymorphism,Glioblastoma Multiforme,Angiogenesis,Signaling Pathway,VEGF


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