NEW YORK (GenomeWeb News) - Virginia Commonwealth University’s School of Medicine is investigating a tissue-of-origin test made by Pathwork Diagnostics that is designed to help determine the origin of a malignant tumor, the company said today.
Pathwork Diagnostics’ Tissue of Origin Test, which uses Affymetrix microarrays and is still in clinical studies, measures 1,600 genes and compares one tissue’s genetic signature against those of other tissue types.

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