Abstract
Summary
Cell cultures derived from various types of human cancers were examined for the presence of tumor specific antigens by both immunofluorescence and complement fixation methods, in which the serum of the patient was tested against cells grown from his cancer. The methods, previously used successfully to detect a new intranuclear antigen induced by the papovavirus SV40 in transformed human and hamster cells, and in hamster tumors, failed to reveal the presence of immunologically reactive components.
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