Abstract:
:A relatively simple, specific and sensitive radioimmunoassay system has been developed for the detection of heterophile Hanganutziu-Deicher (H-D) antigen(s) and antibodies. The 125I-labeled H-D antigen-active molecule used for the assay is a bovine erythrocyte major glycoprotein previously found to have a strong H-D antigen potency. The antigen-antibody complex was precipitated with normal human serum as the carrier protein, followed by the addition of rabbit anti-human IgG F(ab')2 serum. With this method, different H-D antigen-active molecules were compared for heterophile H-D antigen potency with reasonable sensitivity detecting about 0.3 ng of cold glycoprotein. 8 different lung cancer tissues were assayed for H-D antigen. The sera from the 8 lung cancer patients were also screened by ELISA and RIA in an attempt to correlate expression of H-D antigen on tissues with elevation of H-D antibodies. The results showed that all patients' tissues expressed the antigen(s) but only 3 of them had abnormal levels of H-D antibodies. This could have been due to excess antigens in circulation or immune complexes.
journal_name
J Immunol Methodsjournal_title
Journal of immunological methodsauthors
Mukuria JC,Naiki M,Hashimoto M,Nishiura K,Okabe M,Kato Sdoi
10.1016/0022-1759(85)90168-1subject
Has Abstractpub_date
1985-06-12 00:00:00pages
97-106issue
1eissn
0022-1759issn
1872-7905pii
0022-1759(85)90168-1journal_volume
80pub_type
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