Abstract:
:Three lung tumor-associated markers (LTAM), previously identified as a Cohn Fraction IV alpha-globulin (LTAM-1), ferritin (LTAM-2) and lactoferrin (LTAM-3) were separated by a combination of ion exchange, dye-affinity and molecular sieve chromatography. They were further purified by polyacrylamide gel electrophoresis and antisera were raised. Analysis of human extracts by immunodiffusion showed that 80% of lung tumor extracts were positive for all three markers. Similarly, 70% of extracts from other tumors wre positive for LTAM 1, but only 10% of these extracts were positive for LTAM 2 and 3. Variation in concentration of LTAM 2 and 3 among several extracts was determined by a quantitative enzyme immunoassay. Analysis of a select group of extracts for carcinoembryonic antigen (CEA), alpha-fetoprotein and beta 2-microglobulin showed 50% of these extracts to have markedly elevated levels of CEA. The results suggest that ferritin, lactoferrin and CEA offer promise as markers for lung cancer.
journal_name
Oncologyjournal_title
Oncologyauthors
Maxim PE,Veltri RW,Sprinkle PMdoi
10.1159/000225542subject
Has Abstractpub_date
1981-01-01 00:00:00pages
147-53issue
3eissn
0030-2414issn
1423-0232journal_volume
38pub_type
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