With New Tg Test, Quest Continues to Push Mass Spec-Based Protein Assays Toward Clinical Viability | GenomeWeb

Quest Diagnostics considers mass spec-based protein tests an "extremely important area" for the company to pursue, Richard Reitz, medical director and chair of the Endocrine Division at Quest's Nichols Institute, told ProteoMonitor in an interview this week.

This month the company launched a new mass spec assay for thyroglobulin intended as a test to aid in monitoring recurrence of thyroid cancer following surgery. The company has also obtained a patent for the test, US Patent No. 8,030,084, entitled "Thyroglobulin quantitation by mass spectrometry."

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