Shoddy biopsies deny cancer patients a shot at personalized treatment

Elie Dolgin • January 22, 2016

A huge federal trial of personalized cancer medicine has run into an unexpected roadblock: Many of the tumor samples aren’t robust enough to be put through genetic analysis.

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Yellow rings of DNA amidst white chromosomes
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Paul Mischel is championing the importance of odd rings of DNA in tumors — and their promise as targets for cancer therapy.
Artificially colored pancreatic islet cells
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Edits create cells that don’t trigger an immune response, allowing implant recipient to forego immune-suppressing drugs.