Abstract: The present invention provides materials and methods for predicting the response of a disease state to a therapeutic agent. A targeting moiety specific for a biological marker is labeled with a reporter moiety and used to analyze cells characteristic of the disease state. The output of the reporter moiety, which may be fluorescence intensity, is compared to the output of reference standard analyzed under similar or identical conditions. The use of a reference standard allows biomarker reporting to be normalized. Biomarker values can then be correlated from sample to sample and from laboratory to laboratory based on quantitative calibration on a universal reference standard.
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