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rdf:type | |
lifeskim:mentions | |
pubmed:dateCreated |
1990-5-16
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pubmed:abstractText |
Various tumor-associated antigens have been reported in pancreatic adenocarcinoma tissue. This study examines the incidence and co-expression of CA 19-9, DU-PAN-2, CA 125, and TAG-72 in serum and cancer tissue from patients with pancreatic cancer. In tissue, 83% of the cases demonstrated co-expression of three or more antigens. The incidence of antigen expression was comparably high for CA 19-9, DU-PAN-2, and TAG-72; however, significantly more cancer cells within each sample demonstrated CA 19-9. Serologic co-expression of elevated antigen levels was less common; only 39% of the patients showed increased circulating levels of three or more antigens. The predictive value of tissue immunoreactivity for elevated circulating levels of antigen was strongest for CA 19-9. Immunoreactivity patterns in cancer tissue suggest that the epitopes for these antigens are distinct, and DU-PAN-2 antigen was identified in patients who could not manufacture CA 19-9 (a sialylated Lea antigen). However, a strong correlation between circulating levels of CA 19-9 and DU-PAN-2 supports the contention that these two antigens are incidentally expressed on the same mucin molecule.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Antigens, Neoplasm,
http://linkedlifedata.com/resource/pubmed/chemical/Antigens, Tumor-Associated...,
http://linkedlifedata.com/resource/pubmed/chemical/DU-PAN-2 antigen, human,
http://linkedlifedata.com/resource/pubmed/chemical/Glycoproteins,
http://linkedlifedata.com/resource/pubmed/chemical/tumor-associated antigen 72
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pubmed:status |
MEDLINE
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pubmed:issn |
0147-5185
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
13 Suppl 1
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
89-95
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:2699170-Adenocarcinoma,
pubmed-meshheading:2699170-Antigens, Neoplasm,
pubmed-meshheading:2699170-Antigens, Tumor-Associated, Carbohydrate,
pubmed-meshheading:2699170-Glycoproteins,
pubmed-meshheading:2699170-Humans,
pubmed-meshheading:2699170-Immunoenzyme Techniques,
pubmed-meshheading:2699170-Pancreatic Neoplasms
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pubmed:year |
1989
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pubmed:articleTitle |
Co-expression of CA 19-9, DU-PAN-2, CA 125, and TAG-72 in pancreatic adenocarcinoma.
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pubmed:affiliation |
Department of Internal Medicine, University of Nebraska Medical Center, Omaha 68105-1065.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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