Source:European Journal of Cancer, Volume 93
Author(s): Colette Moses, Benjamin Garcia-Bloj, Alan R. Harvey, Pilar Blancafort
The hallmarks of cancer were proposed as a logical framework to guide research efforts that aim to understand the molecular mechanisms and derive treatments for this highly complex disease. Recent technological advances, including comprehensive sequencing of different cancer subtypes, have illuminated how genetic and epigenetic alterations are associated with specific hallmarks of cancer. However, as these associations are purely descriptive, one particularly exciting development is the emergence of genome editing technologies, which enable rapid generation of precise genetic and epigenetic modifications to assess the consequences of these perturbations on the cancer phenotype. The most recently developed of these tools, the system of Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR), consists of an RNA-guided endonuclease that can be repurposed to edit both genome and epigenome with high specificity, and facilitates the functional interrogation of multiple loci in parallel. This system has the potential to dramatically accelerate progress in cancer research, whether by modelling the genesis and progression of cancer in vitro and in vivo, screening for novel therapeutic targets, conducting functional genomics/epigenomics, or generating targeted cancer therapies. Here, we discuss CRISPR research on each of the ten hallmarks of cancer, outline potential barriers for its clinical implementation and speculate on the advances it may allow in cancer research in the near future.
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