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New Stanford model establishes guidelines for earlier cancer detection
Date:11/16/2011

t the tumor earlier on."

There are now new detection technologies capable of detecting biomarkers at concentrations as low as a few hundred molecules per mm (cc) of blood. A couple of years ago, Gambhir and his colleagues reported on one such developing technology: so-called magneto-nanosensors that can detect biomarkers with a 100-fold greater sensitivity than current methods.

Better biomarker detection alone might shrink the time an ovarian tumor can grow before detection to about nine years, said Gambhir.

A second priority is to come up with new and better biomarkers. "It's really important for us to find biomarkers that are made exclusively by tumor cells," he said.

Under the right conditions (a highly sensitive assay measuring levels of a biomarker that is shed only by cancer cells), Gambhir said, the model predicts that a tiny tumor with a volume equivalent to a cube less than one-fifteenth of an inch on a side could be spotted.


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Contact: Bruce Goldman
goldmanb@stanford.edu
650-725-2106
Stanford University Medical Center
Source:Eurekalert

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