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. Author manuscript; available in PMC: 2012 Aug 10.
Published in final edited form as: Cancer Prev Res (Phila). 2009 Mar 3;2(3):274–280. doi: 10.1158/1940-6207.CAPR-08-0180

Fig. 2.

Fig. 2

Nude mouse xenograft assay. A, growth curve of tumor masses in nude mice injected with RAR-β2–transfected TE-1S4 and TE-1S16 esophageal cancer cells or with TE-1V1 vector control cells. B, growth curve of tumor masses in nude mice injected with RAR-β2–transfected TE-8S20 and TE-8S22 esophageal cancer cells or with TE-8V1 vector only–transfected cells. The results showed that the role of RAR-β2 in suppressing tumor formation is dependent on COX-2 expression.