Significance of tumor protein p53 mutation in cellular process and drug selection in brain lower grade (WHO grades II and III) glioma.

Biomark Med

Department of Emergency, Shanghai Tenth People's Hospital, Tongji University, School Of Medicine, Shanghai, 200072, China.

Published: August 2020

Tumor protein p53 () mutant is one of the most frequently mutated genes in glioma. The Cancer Genome Atlas data has shown that mutation is present in 49% of lower grade (World Health Organization [WHO] grades II and III) glioma patients. Data from The Genomics of Drug Sensitivity in Cancer database showed that three drugs: (5Z)-7-oxozeaenol, dabrafenib and nutlin-3a (-), have shown more resistance in patients with mutation. We identified 1100 differentially expressed genes. Functional enrichment analysis showed that the differentially expressed genes are mainly concentrated in the transport of ionic and cancer-related pathways. The top ten hub genes were identified and an outcome analysis revealed the most critical genes related to prognosis. Our results identified the key genes and pathways that might provide the basic proof to improve individualized treatment in patients with glioma.

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http://dx.doi.org/10.2217/bmm-2020-0331DOI Listing

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