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JNCI Journal of the National Cancer Institute 2001 93(7):492-494; doi:10.1093/jnci/93.7.492
© 2001 by Oxford University Press
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Journal of the National Cancer Institute, Vol. 93, No. 7, 492-494, April 4, 2001
© 2001 Oxford University Press

NEWS

Microarrays Have Arrived: Gene Expression Tool Matures

Nancy J. Nelson

The world of oncology research is slowly discarding the gene and the protein. In their place are genomics and proteomics—the vast collections of genes and proteins in an organism.

As evidence of this changing of the guard, the January Oncogenomics Conference in Tuscon, Ariz., expanded its usual focus on microarrays to include genomics and protein research.

The bulk of the meeting, however, was a testimonial to the robustness of microarray technology. Microarrays, small glass chips embedded with ordered rows of DNA, allow researchers to compare thousands of genes expressed in one biological sample to those in a second sample. Commercial arrays contain as many as 4,000 genes, and within a year or so that number may grow to 16,000, or . . . [Full Text of this Article]


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