ArticleInternational journal of clinical and experimental pathology2014
Effect of celecoxib combined with chemotherapy drug on malignant biological behaviors of gastric cancer.
Article in International journal of clinical and experimental pathology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 8 citations in OpenAlex.
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8 authors at 2 institutions in 1 country.
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Abstract
Celecoxib, a selective cyclooxygenase-2 (COX-2) inhibitor, has been reported to have antitumor effects. In some tumor models, the combination of celecoxib with chemotherapy agents has shown synergistic antitumor effect; however, the effect of celecoxib combination with tegafur/gimeracil/oteracil potassium on the malignant biological behaviors of gastric cancer in nude mice is unclear. In this study, female nude mice were subcutaneously transplanted with SGC-7901 gastric cancer cells. When the tumor model formed, the mice were divided into control group, celecoxib group, tegafur/gimeracil/oteracil potassium group, and the combination of both drug regimens group. Mice were treated for 3 weeks. Following treatment, the proliferating index was calculated, apoptosis related proteins, COX-2, vascular endothelial growth factor-C (VEGF-C) and lymphatic vessel density were quantified in tumor tissues by immunohistochemistry. Apoptosis was evaluated by TUNEL staining. The results revealed that celecoxib and tegafur/gimeracil/oteracil potassium alone significantly inhibited tumor growth. The combination of these two drugs showed a synergistic antitumor effect. Both celecoxib and tegafur/gimeracil/oteracil potassium alone inhibited proliferation and promoted apoptosis. The combination of these two drugs further enhanced this anticancer effect. Both celecoxib and the combination treatment inhibited lymphangiogenesis and the expression of COX-2 and VEGF-C. However, tegafur/gimeracil/oteracil potassium treatment had no obvious effect on lymphangiogenesis. These results suggested that the combination of celecoxib and tegafur/gimeracil/oteracil potassium produced a synergistic antitumor effect, possibly by inhibiting the proliferation of tumor cells and promoting apoptosis. Celecoxib and celecoxib in combination with tegafur/gimeracil/oteracil potassium possibly by reducing the expression of COX-2, in turn down-regulating the expression of VEGF-C, resulted in the inhibition of lymphangiogenesis.
Indexed as
Identifiers
25550798PMC4270618W155676144What OpenQuestion holds
Registered trials
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