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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2003-8-21
pubmed:abstractText
COX-2 over-expression occurs in various cancers, but the role of COX-2 in cancer progression remains to be elucidated. We examined the inhibitory effects of a novel selective COX-2 inhibitor, JTE-522 (JT), against gastric cancer cell lines (TMK-1, MKN-45 and MKN-74) alone and in combination with cisplatin (CDDP). The antitumor activity of JTE-522 was evaluated by MTT assay, which revealed that JT alone elicits a dose-dependent antitumor activity in vitro. The JT/CDDP combination elicited a synergistic antitumor effect in MKN-45 cells and an additive effect in the other cell lines. In an in vivo study, 10 mg/kg JT and 12 mg/kg CDDP together elicited a synergistic antitumor activity against MKN-45 cells that were subcutaneously transplanted into nude mice. We conclude that JT is a potent antitumor agent in vitro and in vivo and that, in combination with CDDP, it might be a useful treatment strategy for gastric cancer.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0258-851X
pubmed:author
pubmed:issnType
Print
pubmed:volume
17
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
229-33
pubmed:dateRevised
2006-4-24
pubmed:meshHeading
pubmed:articleTitle
Combination chemotherapy with JTE-522, a novel selective cyclooxygenase-2 inhibitor, and cisplatin against gastric cancer cell lines in vitro and in vivo.
pubmed:affiliation
Department of Surgery, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan.
pubmed:publicationType
Journal Article