Cancer Diagnostics: Current and Future Trends (Contemporary Cancer Research)
By Rajesh SinghIn the past, many tumor marker laboratory tests have not been sensitive enough for the very early detection of cancer. However, many of them have nonetheless proved useful in monitoring therapy, following the course of the tumor, and predicting prog nosis. Today, cancer may be viewed as a genetic disease with various specific chromo somal and nucleotide aberrations, such as mutations, deletions, gene amplification, gene rearrangements, and translocations occurring during the transformation of a nor mal cell into a malignant cell. The considerable advances in technology during the past several years have greatly enhanced our ability to detect
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In the past, many tumor marker laboratory tests have not been sensitive enough for the very early detection of cancer. However, many of them have nonetheless proved useful in monitoring therapy, following the course of the tumor, and predicting prog nosis. Today, cancer may be viewed as a genetic disease with various specific chromo somal and nucleotide aberrations, such as mutations, deletions, gene amplification, gene rearrangements, and translocations occurring during the transformation of a nor mal cell into a malignant cell. The considerable advances in technology during the past several years have greatly enhanced our ability to detect human cancers in the very early stages of tumor forma tion. These technologies include: (1) nucleotide molecular assays (genomics); (2) proteomics (multiplex protein measurements); (3) DNA microarrays; and (4) bio informatics. Many of these technologies are already helping in the integration and use of multiple biomarkers for tumors. Although the individual biomarkers may reveal only limited information, the use of multiple biomarkers can help markedly elevate the diagnostic capabilities for early detection of tumors.