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- Title
Methylation-based algorithms for diagnosis: experience from neuro-oncology.
- Authors
Pickles, Jessica C.; Stone, Thomas J.; Jacques, Thomas S.
- Abstract
Brain tumours are the most common tumour-related cause of death in young people. Survivors are at risk of significant disability, at least in part related to the effects of treatment. Therefore, there is a need for a precise diagnosis that stratifies patients for the most suitable treatment, matched to the underlying biology of their tumour. Although traditional histopathology has been accurate in predicting treatment responses in many cases, molecular profiling has revealed a remarkable, previously unappreciated, level of biological complexity in the classification of these tumours. Among different molecular technologies, DNA methylation profiling has had the most pronounced impact on brain tumour classification. Furthermore, using machine learning-based algorithms, DNA methylation profiling is changing diagnostic practice. This can be regarded as an exemplar for how molecular pathology can influence diagnostic practice and illustrates some of the unanticipated benefits and risks.
- Subjects
BIOLOGICAL classification; DNA fingerprinting; BIOCOMPLEXITY; DNA methylation; MOLECULAR pathology; CEREBELLAR tumors; BRAIN tumors
- Publication
Journal of Pathology, 2020, Vol 250, Issue 5, p510
- ISSN
0022-3417
- Publication type
Article
- DOI
10.1002/path.5397