Abstract:
:One hundred thirty-five hepatocellular carcinomas were examined for the presence of antigenic tumor markers by the avidin-biotin-peroxidase complex method. Ninety-seven were from the US and 38 came from Argentina. The following markers were tested: alpha-fetoprotein (AFP), alpha-1-antitrypsin (AAT), hepatitis B surface antigen (HBsAg), hepatitis B core antigen (HBcAg), hepatitis D delta antigen (HD delta Ag), and Mallory's bodies (MB). In the US cases, AFP was present in 43%, AAT in 41%, HBsAg in 17%, and MB in 48%. Both HBcAg and HD delta Ag were absent. In the cases from Argentina, AFP was found in 26% and AAT in 18%. None of the other antigens were seen. Thirteen US tumors expressed three antigens and two four antigens simultaneously. This study reveals in humans a heterogenous expression of antigens by neoplastic hepatocytes with geographic differences, possibly due to multiple factors such as alcohol consumption or prevalence of hepatitis B infection.
journal_name
Cancerjournal_title
Cancerauthors
Chedid A,Chejfec G,Eichorst M,Villamil F,Terg R,Telenta M,Hojman Rdoi
10.1002/1097-0142(19900101)65:1<84::aid-cncr282065subject
Has Abstractpub_date
1990-01-01 00:00:00pages
84-7issue
1eissn
0008-543Xissn
1097-0142journal_volume
65pub_type
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