Oncology Central

Novel single-chain antibody GD3A10 defines a chondroitin sulfate biomarker for ovarian cancer

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Aims: Ovarian cancer has the highest case-to-fatality-index of all gynecological cancers. In this study, tumor-related alterations in the extracellular matrix, especially regarding chondroitin sulfate glycosaminoglycans, are proposed as a novel biomarker in ovarian cancer. Materials & methods: Phage display technology was applied to select antibody GD3A10, which was obtained by biopanning using embryonic glycosaminoglycans as a source for carcinogenic antigens. GD3A10 antigen specificity was studied in situ using glycosaminoglycan degrading enzymes. A patient cohort (n = 159) was immunohistochemically stained.

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