Affinity chromatography separation of tumor associated antigens from ascitic fluid of ovarian cancer patients

Gynecologic Oncology
R HillE V Mackay

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.

References

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