首页|Comprehensive cross cancer analyses reveal mutational signature cancer specificity
Comprehensive cross cancer analyses reveal mutational signature cancer specificity
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Mutational signatures refer to distinct patterns of DNA mutations that occur in a specific context or under certain conditions.It is a powerful tool to describe cancer etiology.We conducted a study to show cancer hetero-geneity and cancer specificity from the aspect of mutational signatures through collinearity analysis and machine learning techniques.Through thorough training and independent validation,our results show that while the majority of the mutational signatures are distinct,similarities between certain mutational signature pairs can be observed through both mutation patterns and mutational signature abundance.The observation can potentially assist to determine the etiology of yet elusive mutational signa-tures.Further analysis using machine learning approaches demonstrated moderate mutational signature cancer specificity.Skin cancer among all cancer types demonstrated the strongest mutational signature specificity.
cancer specificitycollinearity analysisDNA mutational signaturesmachine learning