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COMMENTS: Just Ten Mutations
The latest discovery in biotech attracted the attention of CBS' in-house physician Jon LaPook and John McKenzie at ABC. Cancer researchers analyzed the 20,000 genes in the cells of a woman who died of leukemia. They compared those in her healthy skin cells with those in the tumor and found just ten mutations out of the 20,000. For example, one mutation works as a blocker to protect the tumor from chemotherapy. McKenzie suggested that once the mutations for specific cancers are isolated, a diagnostic blood test can be invented. Dr LaPook foresaw improvements in targeted therapies--personalized medicine that is aimed only at tumor cells not at healthy parts of the organism.
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