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Sensitive Mutation Detection In Heterogeneous Cancer Specimens By Massively Parallel Picoliter Reactor Sequencing, Torstein Tengs
Sensitive Mutation Detection In Heterogeneous Cancer Specimens By Massively Parallel Picoliter Reactor Sequencing, Torstein Tengs
Dr. Torstein Tengs
The sensitivity of conventional DNA sequencing in tumor biopsies is limited by stromal contamination and by genetic heterogeneity within the cancer. Here, we show that microreactor-based pyrosequencing can detect rare cancer-associated sequence variations by independent and parallel sampling of multiple representatives of a given DNA fragment. This technology can thereby facilitate accurate molecular diagnosis of heterogeneous cancer specimens and enable patient selection for targeted cancer therapies.