DNA methylation changes in prostate cancer: Current developments and future clinical implementation

Research output: Contribution to journalArticle

Abstract

Promoter hypermethylation is associated with the loss of expression of tumor-suppressor genes in cancer. Currently, several genome-wide technologies are available and have been utilized to examine the extent of DNA methylation in discovery-based studies involving several physiological and disease states. Although early in the process, aberrant DNA methylation is gaining strength in the fields of cancer risk assessment, diagnosis and therapy monitoring in different cancer types. There is a need to improve existing methods for early diagnosis of prostate cancer and to identify men at risk for developing aggressive disease. Because of the ubiquity of DNA methylation changes and the ability to detect methylated DNA in several body fluids (e.g., blood and urine), this specifically altered DNA may serve, on one hand, as a possible new screening marker for prostate cancer and, on the other hand, as a tool for therapy monitoring in patients having had neoplastic disease of the prostate. Since many prostate cancer patients present with advanced disease and some present with nonspecific elevation of prostate-specific antigen without prostate cancer, early detection with high specificity and sensitivity is considered to be one of the most important approaches to reduce mortality and unwanted tension of the men with high prostate-specific antigen. Therefore, an effective screening test would have substantial clinical benefits. Furthermore, methylation markers of risk of progression of disease in patients having prostate cancer permits immediate commencement of specific treatment regimens and probably longer survival and better quality of life. This review illustrates the current benefits and limitations of potentially useful prostate cancer methylation markers that have considerable existing data and touches upon other future markers as well as the field of methylation in prostate cancer.

Original languageEnglish (US)
Pages (from-to)243-257
Number of pages15
JournalExpert Review of Molecular Diagnostics
Volume9
Issue number3
DOIs
StatePublished - Apr 2009

Fingerprint

DNA Methylation
Prostatic Neoplasms
Methylation
Prostate-Specific Antigen
Neoplasms
DNA
Physiologic Monitoring
Body Fluids
Tumor Suppressor Genes
Early Detection of Cancer
Disease Progression
Prostate
Therapeutics
Quality of Life
Urine
Genome
Technology
Sensitivity and Specificity
Survival
Mortality

Keywords

  • DNA methylation
  • Prostate cancer
  • Screening serum
  • Therapy monitoring
  • Urine

ASJC Scopus subject areas

  • Molecular Medicine
  • Molecular Biology
  • Genetics
  • Pathology and Forensic Medicine

Cite this

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abstract = "Promoter hypermethylation is associated with the loss of expression of tumor-suppressor genes in cancer. Currently, several genome-wide technologies are available and have been utilized to examine the extent of DNA methylation in discovery-based studies involving several physiological and disease states. Although early in the process, aberrant DNA methylation is gaining strength in the fields of cancer risk assessment, diagnosis and therapy monitoring in different cancer types. There is a need to improve existing methods for early diagnosis of prostate cancer and to identify men at risk for developing aggressive disease. Because of the ubiquity of DNA methylation changes and the ability to detect methylated DNA in several body fluids (e.g., blood and urine), this specifically altered DNA may serve, on one hand, as a possible new screening marker for prostate cancer and, on the other hand, as a tool for therapy monitoring in patients having had neoplastic disease of the prostate. Since many prostate cancer patients present with advanced disease and some present with nonspecific elevation of prostate-specific antigen without prostate cancer, early detection with high specificity and sensitivity is considered to be one of the most important approaches to reduce mortality and unwanted tension of the men with high prostate-specific antigen. Therefore, an effective screening test would have substantial clinical benefits. Furthermore, methylation markers of risk of progression of disease in patients having prostate cancer permits immediate commencement of specific treatment regimens and probably longer survival and better quality of life. This review illustrates the current benefits and limitations of potentially useful prostate cancer methylation markers that have considerable existing data and touches upon other future markers as well as the field of methylation in prostate cancer.",
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