Abstract:Microsatellite instability (MSI) refers to genetic instability in short nucleotide repeats (e.g., 1-6bp tandem repeats), where a cell comprises a different number of repeats as compared to what was inherited from a progenitor cell. This genetic instability is often observed in tumor cells with impaired mismatch repair (MMR), especially in colorectal cancer (CRC) and endometrial cancer. MSI-high tumors can help identify patients that would benefit from additional genetic testing to diagnose Lynch Syndrome. Addi… Show more
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