Purpose: The MSH2 test is often performed to assess the risk of hereditary cancers, particularly Lynch syndrome (hereditary non-polyposis colorectal cancer, HNPCC). Lynch syndrome is associated with mutations in ...
Normal Function: The MSH2 gene encodes a protein that plays a critical role in repairing DNA errors that occur during cell division. Proper function helps prevent mutations that could lead to cancer.
<...Normal Range: In the context of genetic testing, a “normal” result means that no pathogenic mutations in the MSH2 gene have been found. The interpretation is based on identifying whether or not th...
Pathogenic Mutations: If a mutation is identified, it is usually classified based on its potential impact:
Sample Type: The MSH2 test typically requires a sample of DNA, which can be collected via:
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MSH2
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Description
MSH2 test, also known as a DNA mismatch repair (MMR) test, is a diagnostic procedure used to identify mutations or abnormalities in the MSH2 gene. The MSH2 gene is responsible for encoding a protein that plays a crucial role in repairing DNA damage. Mutations in this gene can lead to Lynch syndrome, a hereditary condition associated with an increased risk of certain cancers, particularly colorectal cancer. The MSH2 test involves analyzing a sample of DNA, usually obtained from blood or tissue, to detect any alterations in the MSH2 gene sequence....
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