Scientists next asked if a new bioinformatics-based screening tool for ovarian cancer could be created using low-molecular-weight proteins in blood serum as the biomarkers. Could this tool accurately handle specimens of unknown cancer status? If so, researchers could devise a minimally invasive test for the detection of early-stage ovarian cancer. If so, their bioinformatics-based technology might also have broad application to the early diagnosis of many other cancers as well.
![From Known Samples to Serum Proteins](https://webarchive.library.unt.edu/eot2008/20090131034033im_/http://www.nci.nih.gov/images/Documents/abd6d05e-f179-4ec1-8376-6d4992583274/cancer39.jpg)
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