page_title: Mutational signatures
section_title: General concepts
hierarchical_section_title: Mutational signatures / General concepts
caption_attribution_description: English: Conceptual workflow of somatic mutational signatures identification. Diverse mutagenesis processes shape the somatic landscape of tumors. Deciphering the underlying patterns of cancer mutations allows to uncover relationships between these recurrent patterns of mutations and infer possible causal mutational processes.
context_page_description: Mutational signatures are characteristic combinations of mutation types arising from specific mutagenesis processes such as DNA replication infidelity, exogenous and endogenous genotoxins exposures, defective DNA repair pathways and DNA enzymatic editing.
  Deciphering mutational signatures in cancer provides insight into the biological mechanisms involved in carcinogenesis and normal somatic mutagenesis. Mutational signatures have shown their applicability in cancer treatment and cancer prevention. Advances in the fields of oncogenomics have enabled the development and use of molecularly targeted therapy, but such therapies historically focused on inhibition of oncogenic drivers. More recently, mutational signatures profiling has proven successful in guiding oncological management and use of targeted therapies.
caption: Conceptual workflow of somatic mutational signatures identification. Diverse mutagenesis processes shape the somatic landscape of tumors. Deciphering the underlying patterns of cancer mutations allows to uncover relationships between these recurrent patterns of mutations and infer possible causal mutational processes.
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