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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2005-10-20
pubmed:abstractText
Gastric cancer is one of the most common malignant tumors in China. This paper focuses on the development of a DNA vaccine containing four mimotopes of MG7Ag for gastric cancer (multi-epitope vaccine). By inoculating BALB/c mice, the vaccine was characterized and compared with a similar vaccine containing only one mimotope (mono-epitope vaccine) and other controls. Cellular ELISA indicated that serum titer of antibody against MG7Ag was significantly higher in mice immunized with the multi-epitope vaccine than that in the group immunized with the mono-epitope vaccine (0.8627 vs 0.6754, P < 0.05). And ELISPOT assay showed that the number of INF-gamma spots induced by multi-epitope vaccine was significantly larger than that of the group immunized with mono-epitope vaccine(93.3 vs 70.7, P < 0.05). Two weeks after tumor challenge, the weight of tumor in each mouse was evaluated, and the tumor masses formed in the mice immunized with multi-epitope vaccine were markedly smaller than those formed in the mice immunized with mono-epitope vaccine. These studies demonstrated that both humoral and cellular response were induced by the two vaccines and the efficiency of multi-epitope vaccine is stronger than that of the mono-epitope vaccine.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
1538-4047
pubmed:author
pubmed:issnType
Print
pubmed:volume
4
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
308-12
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2005
pubmed:articleTitle
A novel DNA vaccine containing four mimicry epitopes for gastric cancer.
pubmed:affiliation
National Key Lab for GI Cancer Biology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi Province, People's Republic of China.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't