Aneuploidy

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Mutations in the STAG2 gene are present in approximately 20% of tumors from different tissues of origin. STAG2 encodes a subunit of the cohesin complex, and tumors with loss of function mutations are usually aneuploid and display elevated frequencies of lagging chromosomes durin…

Most solid tumors are aneuploid and frequently mis-segregate chromosomes during cell division. This chromosomal instability frequently arises from persistent mal-oriented attachments of chromosomes to spindle microtubules at kinetochores. The defects in cancer cells that prevent…