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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1992-10-2
pubmed:abstractText
The production of tumor-binding antibodies was studied in a group of cancer patients undergoing active specific immunotherapy with irradiated, cholesterol-treated, cell culture-derived autologous tumor cells injected by the intralymphatic route. Fifteen patients were analyzed: nine patients (four melanoma, one breast, one sarcoma, one colon, and one undifferentiated cancer) received three injections of 10 to 15 x 10(6) tumor cells, spaced 2 weeks apart, and six patients (two melanoma, two renal, one breast, and one colon cancer) received tumor cells admixed with 3 x 10(6) U recombinant interleukin-2 (IL-2) (Proleukin, Cetus, Emeryville, CA, USA) plus a 10-day intravenous infusion of 15 x 10(6) U/kg/day IL-2 after each immunization. Serum antibody binding to autologous tumor cells was measured at 2 and 4 weeks after initiation of therapy using an enzyme-linked immunosorbent assay with patient serum being added to adherent tumor cells bound to 96-well microtiter plates. After 4 weeks, we found a significant difference (0.02 less than P less than 0.04) in serum titer in the group receiving IL-2 (33% mean increase) compared with the non-IL-2 group (8% mean increase). Although neither group showed clinical improvement in response to the therapy, the results clearly demonstrated the efficacy of IL-2 in augmenting patient antibody response to autologous intralymphatic tumor cell immunization.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0952-8172
pubmed:author
pubmed:issnType
Print
pubmed:volume
4
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
66-9
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:year
1992
pubmed:articleTitle
Interleukin-2 increases the antibody response in patients receiving autologous intralymphatic tumor cell vaccine immunotherapy.
pubmed:affiliation
Immunotherapy Laboratory, St. Vincent Medical Center, Los Angeles, CA 90057.
pubmed:publicationType
Journal Article