Affinity chromatography separation of tumor associated antigens from ascitic fluid of ovarian cancer patients
Gynecologic Oncology(1983)
Abstract
Tumor associated immunoglobulins previously isolated from ovarian cancer ascitic fluid have been used in an affinity chromatography step to purify putative tumor associated antigens from a perchloric acid extract of ascitic fluid. Examination of the affinity chromatography purified proteins revealed 4 bands on electrophoresis. Antisera raised to the affinity chromatography products have been examined by Ouchterlony diffusion as well as a solid-phase radioimmunoassay. Two of thirteen ovarian tumor extracts investigated reacted in Ouchterlony diffusion analysis, whereas all thirteen extracts gave positive results in the more sensitive solid-phase radioimmunoassay.
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Key words
affinity chromatography
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