Interviewee: David Botstein. David Botstein talks about the goal of using microarray analysis to improve cancer diagnosis. (DNAi Location: Applications > Genes and medicine > Genetic profiling > David Botstein > Better diagnosis)

You can imagine that we can identify proteins that, on the basis of over expression of their RNA, which is what we measure, that might be detected in the circulation when people have cancer and yet, as yet don't have symptoms. And it is a longer term goal of ours to make that into a reality. There's every theoretical reason for believing that that can be done and there are examples that already exist, for example the PSA for prostate cancer is such a test. And it's enormously valuable in the management of the disease.

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