MSH2 is a key protein involved in the DNA mismatch repair system, which is responsible for correcting errors that occur during DNA replication. This protein plays a critical role in maintaining genomic stability by detecting and repairing mispaired nucleotides, thereby preventing mutations that can lead to cancer and other genetic disorders. Mutations in MSH2 can result in a higher risk of developing Lynch syndrome, a hereditary condition associated with several types of cancer.
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