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| Content Provider | frontiers |
|---|---|
| Author | Jovčevska, Ivana |
| Abstract | Even with a rare occurrence of only 1.35% of cancer cases in the United States of America, brain tumors are considered as one of the most lethal malignancies. The most aggressive and invasive type of brain tumor, glioblastoma, accounts for 60-70% of all gliomas and presents with life expectancy of only 12 to 18 months. Despite trimodal treatment and advances in diagnostic and therapeutic methods, there are no significant changes in patient outcome. Our understanding of glioblastoma was significantly improved with the introduction of next generation sequencing technologies. This led to the identification of different genetic and molecular subtypes, which greatly improve glioblastoma diagnosis. Still, because of the poor life expectancy, novel diagnostic and treatment methods are broadly explored. Epigenetic modifications like methylation and changes in histone acetylation are such examples. Recently, in addition to genetic and molecular characteristics, epigenetic profiling of glioblastomas is also used for sample classification. Further advancement of next generation sequencing technologies is expected to identify in detail the epigenetic signature of glioblastoma that can open up new therapeutic opportunities for glioblastoma patients. This should be complemented with the use of computational power i.e. machine and deep learning algorithms for objective diagnostics and design of individualized therapies. Using a combination of phenotypic, genotypic and epigenetic parameters in glioblastoma diagnostics will bring us closer to precision medicine where therapies will be tailored to suit the genetic profile and epigenetic signature of the tumor, which will grant longer life expectancy and better quality of life. Still, a number of obstacles including potential bias, availability of data for minorities in heterogeneous populations, data protection, and validation and independent testing of the learning algorithms have to be overcome on the way. |
| ISSN | 2234943X |
| DOI | 10.3389/fonc.2020.00798 |
| Volume Number | 10 |
| Journal | Frontiers in Oncology |
| Language | English |
| Publisher Date | 2020-05-15 |
| Access Restriction | Open |
| Subject Keyword | Machine learning Epigenetics Glioblastoma Diagnosis Next generation sequencing Methylation Therapy Deep learning |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cancer Research Oncology |
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