Chromoplexy
- Chromoplexy refers to a class of complex DNA rearrangement observed in the genomes of cancer cells. This phenomenon was first identified in prostate cancer by whole genome sequencing of prostate tumors. Chromoplexy causes genetic material from one or more chromosomes to become scrambled as multiple strands of DNA are broken and ligated to each other in a new configuration. In prostate cancer, chromoplexy may cause multiple oncogenic events within a single cell cycle, providing a proliferative advantage to a (pre-)cancerous cell. Several oncogenic mutations in prostate cancer occur through chromoplexy, such as disruption of the tumor suppressor PTEN or creation of the TMPRSS2-ERG fusion gene. [[Category:Uncategorized
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