SCIENCE IN THE NEWS DAILY
First Complete Cancer Genome Sequenced
from Science News
For the first time, a complete cancer genome, and incidentally a complete female genome, has been decoded, scientists report online Nov. 5 in Nature. In a study made possible by faster, cheaper and more sensitive methods for sequencing DNA, the researchers pinpoint eight new genes that may cause a cell to turn cancerous.
“Since cancer is a disease of the genome, this newfound ability to determine the complete DNA sequence of a cancer cell is enormously powerful,” comments Francis Collins, a geneticist and former director of the National Human Genome Research Institute in Bethesda, Md., a group that raced to sequence the first entire human genome.
“We need to know the genetic rules of cancer,” says coauthor Timothy Ley of Washington University in St. Louis. Ley and colleagues read each of the 3 billion building blocks of DNA from tumor cells in a woman with acute myeloid leukemia, or AML, a highly malignant form of blood and bone marrow cancer.
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