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Microsatellite instability and prostate cancer: clinical and pathological implications
1Urologic Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 77030, USA. leachf@mail.nih.gov
Current Opinion in Urology
|August 13, 2002
Summary
Microsatellite instability and mismatch repair gene expression are increasingly recognized in prostate cancer. Research suggests these markers may hold significant biological and clinical importance for the malignancy.
Area of Science:
- Oncology
- Genetics
- Molecular Biology
Background:
- Mismatch repair (MMR) genes correct DNA replication errors, preventing genetic instability.
- MMR deficiency leads to microsatellite instability (MSI), a marker for MMR gene inactivation.
- While not strongly linked to hereditary non-polyposis colorectal carcinoma, MMR deficiency occurs in sporadic prostate cancer.
Purpose of the Study:
- To review early and recent findings on microsatellite instability (MSI) in prostate cancer.
- To discuss the role of mismatch repair (MMR) gene expression in prostate cancer.
Main Methods:
- Literature review of early and recent reports on MSI and MMR in prostate cancer.
- Analysis of studies investigating MMR gene mutations, deficiency, and expression patterns.
Main Results:
- Early studies detected MSI in prostate cancer, correlating it with clinical findings.
- Recent research identified MMR gene mutations, deficiency, and differential expression in prostate cancer.
- MMR gene expression is emerging as a potential prognostic marker.
Conclusions:
- Early MSI detection spurred further investigation into MMR gene expression in prostate cancer.
- MMR gene expression may possess significant biological and clinical relevance for prostate cancer management.
- Additional research is needed to fully elucidate the role of MMR in prostate cancer.